The tornado warning process: A review of current research, challenges, and opportunities

Bulletin of the American Meteorological Society

Volumn 94, Issue 11, 2013, Pages 1715-1733

  Brotzge, J ^a   Donner, W ^b  

^a UNIVERSITY OF OKLAHOMA   (United States)

^b UNIVERSITY OF TEXAS PAN AMERICAN   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACCURACY AND PRECISION; HIGH RESOLUTION; MULTIVARIATE MODELING; NEXT GENERATION WEATHER RADARS; NUMERICAL WEATHER PREDICTION; TORNADO DEVELOPMENT; TORNADO OUTBREAK; TORNADO WARNINGS;

ALARM SYSTEMS; METEOROLOGICAL RADAR; WEATHER FORECASTING;

TORNADOES;

EID: 84890365577     PISSN: 00030007     EISSN: None     Source Type: Journal    
DOI: 10.1175/BAMS-D-12-00147.1     Document Type: Review

References (200)

1. Aguirre, B. E., 1988: The lack of warnings before the Saragosa tornado. Int. J. Mass Emerg. Disasters, 6, 65-74.
2. Ahlborn, L., and J. Franc, 2012: Tornado hazard communication disparities among Spanish-speaking individuals in an English-speaking community. Prehosp. Disaster Med., 26, 1-5.
3. Aldoorya, L., J.-N. Kimb, and N. Tindall, 2010: The influence of perceived shared risk in crisis communication: Elaborating the situational theory of publics. Public Relat. Rev., 36, 134-140.
4. Ammons, P., 2011: Katelyn Cornwell and Harold 'Butch' Fitzgerald, Harvest tornado victims The Huntsville Times, 6 May 2011. [Available online at http://blog .al.com/ht/2011/05/katelyn-cornwell-and-harold- bu.html.]
5. Andra, D., E. Quoetone, and W. Bunting, 2002: Warning decision making: The relative roles of conceptual models, technology, strategy, and forecaster expertise on 3 May 1999. Wea. Forecasting, 17, 559-566.
6. Ashley, W., 2007: Spatial and temporal analysis of tornado fatalities in the United States: 1880-2005. Wea. Forecasting, 22, 1214-1228.
7. Atwood, L. E., and A. M. Major, 1998: Exploring the "cry wolf" hypothesis. Int. J. Mass Emerg. Disasters, 16, 279-302.
8. Balluz, L., L. Schieve, T. Holmes, S. Kiezak, and J. Malilay, 2000: Predictors for people's response to a tornado warning, Arkansas, 1 March, 1997. Disasters, 24, 71-77.
9. Barnes, L., E. Gruntfest, M. Hayden, D. Schultz, and C. Benight, 2007: False alarms and close calls: A conceptual model of warning accuracy. Wea. Forecasting, 22, 1140-1147.
10. Baumgart, L. A., E. J. Bass, B. Philips, and K. Kloesel, 2008: Emergency management decision making during severe weather. Wea. Forecasting, 23, 1268-1279.
11. Benjamin, S., K. Brewster, R. Brummer, B. Jewett, T. Schlatter, T. Smith, and P. Stamus, 1991: An isentropic three-hourly data assimilation system using ACARS aircraft observations. Mon. Wea. Rev., 119, 888-906.
12. Berry, L., 1999: Cyclone Rona: February 11, 1999 evacuation of Caravonica and Lake Placid report. Centre for Disaster Studies, James Cook University, 72 pp.
13. Biddle, M. D., and D. R. Legates, 1999: Warning response and risk behavior in the Oak Grove - Birmingham, Alabama, tornado of 08 April 1998. Natural Hazards Research and Applications Information Center Quick Response Rep. 116, 34 pp.
14. Bieringer, P., and P. Ray, 1996: A comparison of tornado warning lead times with and without NEXRAD Doppler radar. Wea. Forecasting, 11, 47-52.
15. Blanchard-Boehm, R. D., 1998: Understanding public response to increased risk from natural hazards: Application of the hazards risk communication framework. Int. J. Mass Emerg. Disasters, 16, 247-278.
16. Bodine, D., M. Kumjian, R. Palmer, P. Heinselman, and A. Ryzhkov, 2013: Tornado damage estimation using polarimetric radar. Wea. Forecasting, 28, 139-158.
17. Brewster, K., J. Brotzge, K. Thomas, Y. Wang, M. Xue, J. Gao, D. Weber, and K. Howe, 2008: High resolution assimilation in CASA and NEXRAD radar data in near real-time: Results from spring 2007 and plans for spring 2008. Preprints, 12th Conf. on IOAS-AOLS, New Orleans, LA, Amer. Meteor. Soc., 15B.7. [Available online at https://ams.confex.com/ams/88Annual/techprogram/paper-132983.htm.]
18. Breznitz, S., 1984: Cry Wolf: The Psychology of False Alarms. Lawrence Earlbaum Associates, 265 pp.
19. Brooks, H., 2004: Tornado-warning performance in the past and future: A perspective from signal detection theory. Bull. Amer. Meteor. Soc., 85, 837-843.
20. Brooks, H., and C. Doswell, 2001: Normalized damage from major tornadoes in the United States: 1890-1999. Wea. Forecasting, 16, 168-176.
21. Brooks, H., and J. Cooper, 1994: On the environments of tornadic and nontornadic mesocyclones. Wea. Forecasting, 9, 606-618.
22. Brotzge, J., and S. Erickson, 2009: NWS tornado warnings with zero or negative lead times. Wea. Forecasting, 24, 140-154.
23. Brotzge, J., and S. Erickson, 2010: Tornadoes without NWS warning. Wea. Forecasting, 25, 159-172.
24. Brotzge, J., and S. Erickson, K. Hondl, B. Philips, L. Lemon, E. Bass, D. Rude, and D. Andra Jr., 2010: Evaluation of distributed collaborative adaptive sensing for detection of lowlevel circulations and implications for severe weather warning operations. Wea. Forecasting, 25, 173-189.
25. Brotzge, J., and S. Erickson, S. Erickson, and H. Brooks, 2011: A 5-yr climatology of tornado false alarms. Wea. Forecasting, 26, 534-544.
26. Brown, R., W. Bumgarner, K. Crawford, and D. Sirmans, 1971: Preliminary Doppler velocity measurements in a developing radar hook echo. Bull. Amer. Meteor. Soc., 52, 1186-1188.
27. Brotzge, J., and S. Erickson, V. Wood, and T. Barker, 2002: Improved detection using negative elevation angles for mountaintop WSR-88Ds: Simulation of KMSX near Missoula, Montana. Wea. Forecasting, 17, 223-237.
28. Brotzge, J., and S. Erickson, T. Niziol, N. Donaldson, P. Joe, and V. Wood, 2007: Improved detection using negative elevation angles for mountaintop WSR-88Ds. Part III: Simulations of shallow convective activity over and around Lake Ontario. Wea. Forecasting, 22, 839-852.
29. Brown, S., P. Archer, E. Kruger, and S. Mallonee, 2002: Tornado-related deaths and injuries in Oklahoma due to the 3 May 1999 tornadoes. Wea. Forecasting, 17, 343-353.
30. Bryan, G., and H. Morrison, 2012: Sensitivity of a simulated squall line to horizontal resolution and parameterization of microphysics. Mon. Wea. Rev., 140, 202-225.
31. Bryan, G., J. Wyngaard, and J. Fritsch, 2003: Resolution requirements for the simulation of deep moist convection. Mon. Wea. Rev., 131, 2394-2416.
32. Carbin, G., cited 2012: Latest U.S. tornado statistics. Storm Prediction Center. [Available online at www .spc.noaa.gov/climo/online/monthly/newm.html.]
33. Clark, A., W. Gallus, M. Xue, and F. Kong, 2010: Convection-allowing and convection-parameterizing ensemble forecasts of a mesoscale convective vortex and associated severe weather environment. Wea. Forecasting, 25, 1052-1081.
34. Clark, A., J. Kain, P. Marsh, J. Correia Jr., M. Xue, and F. Kong, 2012: Forecasting tornado pathlengths using a three-dimensional object identification algorithm applied to convection-allowing forecasts. Wea. Forecasting, 27, 1090-1113.
35. Cola, R. M., 1996: Responses of Pampanga households to lahar warnings: Lessons from two villages in the Pasig-Potrero River watershed. Fire and Mud: Eruptions and Lahars of Mount Pinatubo, Philippines, C. G. Newhall and R. S. Punongbayan, Eds., University of Washington Press, 141-149.
36. Coleman, T., K. Knupp, J. Spann, J. Elliott, and B. Peters, 2011: The history (and future) of tornado warning dissemination in the United States. Bull. Amer. Meteor. Soc., 92, 567-582.
37. Crum, T., and R. Alberty, 1993: The WSR-88D and the WSR-88D Operational Support Facility. Bull. Amer. Meteor. Soc., 74, 1669-1687.
38. Crum, T., and D. Burgess, 1993: Recording, archiving, and using WSR-88D data. Bull. Amer. Meteor. Soc., 74, 645-653.
39. Crum, T., R. Saffle, and J. Wilson, 1998: An update on the NEXRAD program and future WSR-88D support to operations. Wea. Forecasting, 13, 253-262.
40. Dabberdt, W., and Coauthors, 2005: Multifunctional mesoscale observing networks. Bull. Amer. Meteor. Soc., 86, 961-982.
41. Davies, J., 2004: Estimations of CIN and LFC associated with tornadic and nontornadic supercells. Wea. Forecasting, 19, 714-726.
42. Dawson, D., M. Xue, J. Milbrandt, and M. Yau, 2010: Comparison of evaporation and cold pool development between single-moment and multimoment bulk microphysics schemes in idealized simulations of tornadic thunderstorms. Mon. Wea. Rev., 138, 1152-1171.
43. L. Wicker, E. Mansell, and R. Tanamachi, 2012: Impact of the environmental low-level wind profile on ensemble forecasts of the 4 May 2007 Greensburg, Kansas, tornadic storm and associated mesocyclones. Mon. Wea. Rev., 140, 696-716.
44. de Elia, R., and I. Zawadzki, 2001: Optimal layout of a bistatic radar network. J. Atmos. Oceanic Technol., 18, 1184-1194.
45. Diggory, J., 1956: Some consequences of proximity to a disease threat. Sociometry, 19, 47-53.
46. DiGiovanni, C., B. Reynolds, R. Harwell, and E. Stonecipher, 2002: A prospective study of the reactions of residents of an American community to a bioterrorist attack. Defense Threat Reduction Agency.
47. Dixon, E., J. Sisskind, and S. Israel, 2012: Helios: Realtime adaptive weather surveillance system using integrated camera networks and enhanced geospatial processing algorithms. Preprints, 16th Symp. Meteor. Observation Instrumentation, New Orleans, LA, Amer. Meteor. Soc., 230. [Available online at https://ams.confex.com/ams/92Annual/webprogram/Paper202905.html.]
48. Donner, W., 2007: The political ecology of disaster: An analysis of factors influencing U.S. tornado fatalities and injuries, 1998-2000. Demography, 44, 669-685.
49. Donner, W., 2008: Decision making as community adaptation: A case study of emergency managers in Oklahoma. Disasters, 32, 292-302.
50. Donner, W., and H. Rodriguez, 2008: Population composition, migration, and inequality: The influence of demographic changes on disaster risk and vulnerability. Soc. Forces, 87, 1089-1114.
51. Donner, W., and W. Diaz, 2012: Tornado warnings in three southern states: A qualitative analysis of public response patterns. J. Homeland Secur. Emerg. Manage., 9, doi:10.1515/1547-7355.1955.
52. Doswell, C., A. Moller, and H. Brooks, 1999: Storm spotting and public awareness since the first tornado forecasts of 1948. Wea. Forecasting, 14, 544-557.
53. Dow, K., and S. Cutter, 1998: Crying wolf: Repeat responses to hurricane evacuation orders. Coastal Manage., 26, 237-252.
54. Drabek, T., 1969: Social processes in disaster: Family evacuation. Soc. Probl., 16, 336-349.
55. Drabek, T., 1994: Disaster evacuation and the tourist industry. Natural Hazards Research and Applications Information Center, Institute of Behavioral Science, University of Colorado, 268 pp.
56. Edwards, M. L., 1993: Social location and self-protective behavior: Implications for earthquake preparedness. Int. J. Mass Emerg. Disasters, 11, 293-303.
57. Egentowich, J. M., M. L. Kaplan, Y.-L. Lin, and A. J. Riordan, 2000a: Mesoscale simulations of dynamical factors discriminating between a tornado outbreak and non-event over the southeast US. Part I: 84-48 hour precursors. Meteor. Atmos. Phys., 74, 129-157.
58. Egentowich, J. M., M. L. Kaplan, Y.-L. Lin, and A. J. Riordan, 2000b: Mesoscale simulations of dynamical factors discriminating between a tornado outbreak and non-event over the southeast US. Part II: 48-6 hour precursors. Meteor. Atmos. Phys., 74, 159-187.
59. Egentowich, J. M., M. L. Kaplan, Y.-L. Lin, and A. J. Riordan, 2000c: Mesoscale simulations of dynamical factors discriminating between a tornado outbreak and non-event over the southeast US. Part III: 6 hour precursors. Meteor. Atmos. Phys., 74, 189-215.
60. Erickson, S., and H. Brooks, 2006: Lead time and time under tornado warnings: 1986-2004. Preprints, 23rd Conf. on Severe Local Storms, St. Louis, MO, Amer. Meteor. Soc., 11.5. [Available online at http://ams .confex.com/ams/23SLS/techprogram/paper-115194.htm.]
61. Farley, J., H. Barlow, M. Finkelstein, and L. Riley, 1993: Earthquake hysteria, before and after: A survey and follow-up on public response to the Browning forecast. Int. J. Mass Emerg. Disasters, 11, 305-321.
62. Fierro, A., E. Mansell, C. Ziegler, and D. MacGorman, 2012: Application of a lightning data assimilation technique in the WRF-ARW model at cloudresolving scales for the tornado outbreak of 24 May 2011. Mon. Wea. Rev., 140, 2609-2627.
63. Flynn, C., 1979: Three Mile Island telephone survey: Preliminary report on procedures and findings. Mountain West Research Inc. Tech. Rep., 90 pp.
64. Foster, H. D., 1980: Disaster Planning: The Preservation of Life and Property. Springer-Verlag, 255 pp.
65. Frame, J., and P. Markowski, 2010: Numerical simulations of radiative cooling beneath the anvils of supercell thunderstorms. Mon. Wea. Rev., 138, 3024-3047.
66. Frazier, K., 1979: The Violent Face of Nature: Severe Phenomena and Natural Disasters. William Morrow & Co., 386 pp.
67. Friday, E., 1994: The modernization and associated restructuring of the National Weather Service: An overview. Bull. Amer. Meteor. Soc., 75, 43-52.
68. Galway, J., 1975: Relationship of tornado deaths to severe weather watch areas. Mon. Wea. Rev., 103, 737-741.
69. Golden, J. H., and C. R. Adams, 2000: The tornado problem: Forecast, warning, and response. Nat. Hazards Rev., 1, 107-118.
70. Gusmano, M. K., and V. G. Rodwin, 2006: The elderly and social isolation. Testimony to Committee on Aging, New York City Council, 6 pp. [Available online at http://wagner.nyu.edu/faculty/testimony/rodwinNycCouncil021106.pdf.]
71. Haas, J., H. Cochrane, and D. G. Eddy, 1977: Consequences of a cyclone on a small city. Ekistics, 44, 45-50.
72. Hammer, B., and T. Schmidlin, 2002: Response to warnings during the 3 May 1999 Oklahoma City tornado: Reasons and relative injury rates. Wea. Forecasting, 17, 577-581.
73. Hansson, R., D. Noulles, and S. Bellovich, 1982: Knowledge, warning and stress. Environ. Behav., 14, 171-185.
74. Heath, S., 1999: Animal Management in Disasters. Mosby, Inc., 320 pp.
75. Heinselman, P., D. LaDue, and H. Lazrus, 2012: Exploring impacts of rapid-scan radar data on NWS warning decisions. Wea. Forecasting, 27, 1031-1044.
76. Heinselman, P., D. LaDue,, D. M. Kingfield, R. Hoffman, and B. W. MacAloney II, 2013: Simulated NWS tornado warning decisions using rapid-scan radar data. Preprints, 29th Conf. Environ. Info. Processing Technologies, Austin, TX, Amer. Meteor. Soc., 8.3. [Available at https://ams.confex.com/ams/ 93Annual/webprogram/Paper219547.html.]
77. Hodge, D., V. Sharp, and M. Marts, 1981: Contemporary responses to volcanism: Case studies from the Cascades and Hawaii. Volcanic Activity and Human Ecology, P. D. Sheets and D. K. Grayson, Eds., Academic Press, 221-248.
78. Janis, I. L., 1962: Psychological effects of warnings. Man and Society in Disaster, G. Baker and D. Chapman, Eds., Basic Books, 55-91.
79. Jung, Y., M. Xue, G. Zhang, and J. Straka, 2008: Assimilation of simulated polarimetric radar data for a convective storm using the ensemble Kalman filter. Part II: Impact of polarimetric data on storm analysis. Mon. Wea. Rev., 136, 2246-2260.
80. Junyent, F., and V. Chandrasekar, 2009: Theory and characterization of weather radar networks. J. Atmos. Oceanic Technol., 26, 474-491.
81. Kalnay, E., 2003: Atmospheric Modeling, Data Assimilation and Predictability. Cambridge University Press, 341 pp.
82. Kelleher, K., and Coauthors, 2007: Project CRAFT: A real-time delivery system for NEXRAD level II data via the Internet. Bull. Amer. Meteor. Soc., 88, 1045-1057.
83. Keller, C., M. Siegrist, and H. Gutscher, 2006: The role of the affect and availability heuristics in risk communication. Risk Anal., 26, 631-639.
84. Kirschenbaum, A., 1992: Warning and evacuation during a mass disaster: A multivariate decision making model. Int. J. Mass Emerg. Disasters, 10, 91-114.
85. Kupec, R. J., 2008: Tuning in: Weather radios for those most at risk. J. Emerg. Manage., 6, 51-56.
86. Kurdzo, J., and R. Palmer, 2012: Objective optimization of weather radar networks for low-level coverage using a genetic algorithm. J. Atmos. Oceanic Technol., 29, 807-821.
87. LaDue, D., P. Heinselman, and J. Newman, 2010: Strengths and limitations of current radar systems for two stakeholder groups in the southern plains. Bull. Amer. Meteor. Soc., 91, 899-910.
88. Lakshmanan, V., and T. Smith, 2010: An objective method of evaluating and devising storm tracking algorithms. Wea. Forecasting, 25, 721-729.
89. Lakshmanan, V., K. Hondl, G. J. Stumpf, and A. Witt, 2006: A real-time, three dimensional, rapidly updating, heterogeneous radar merger technique for reflectivity, velocity and derived products. Wea. Forecasting, 21, 802-823.
90. Lakshmanan, V., G. Stumpf, and K. Hondl, 2007: The Warning Decision Support System-Integrated Information. Wea. Forecasting, 22, 596-612.
91. Lardry, T., and G. Rogers, 1982: Warning confirmation and dissemination. Center for Social and Urban Research, University of Pittsburgh.
92. Lazo, J. K., 2012: One economist's entreaty for increased research on weather risk communication. Wea. Climate Soc., 4, 233-235.
93. Leik, R., T. Carter, and J. Clark, 1981: Community response to natural hazard warning. U.S. Dept. of Commerce, 77 pp. [NTIS PB82-111287]
94. Leone, D. A., R. M. Endlich, J. Petriceks, R. T. H. Collis, and J. R. Porter, 1989: Meteorological considerations used in planning the NEXRAD network. Bull. Amer. Meteor. Soc., 70, 4-13.
95. Li, J., 1991: Social responses to the Tangshan earthquake prediction. Preprints, UCLA Int. Conf. on the Impact of Natural Disasters, Los Angeles, CA, University of California, Los Angeles, CA. [Available online at http://udspace.udel.edu/handle/19716/537.]
96. Lindell, M. K., and R. W. Perry, 1983: Nuclear power plant emergency warnings: How would the public respond? Nuclear News, February, 49-57.
97. Lindell, M. K., and R. W. Perry, 1992: Behavioral Foundations of Community Emergency Planning. Hemisphere Publishing Corporation, 630 pp.
98. Lipkus, I., and J. G. Hollands, 1999: The visual communication of risk. J. Natl. Cancer Inst. Monogr., 25, 149-163.
99. Maddox, R., and C. Crisp, 1999: The Tinker AFB tornadoes of March 1948. Wea. Forecasting, 14, 492-499.
100. Mahale, V., J. Brotzge, and H. Bluestein, 2012: The analysis of vortices embedded within a quasi-linear convective system using X-band polarimetric radar. Wea. Forecasting, 27, 1520-1537.
101. Mahoney, B., S. Drobot, P. Pisano, B. McKeever, and J. O' Sullivan, 2010: Vehicles as mobile weather observation systems. Bull. Amer. Meteor. Soc., 91, 1179-1182.
102. Manning, M., 2007: The effectiveness of NOAA weather radios as an all-hazards alert method in eastern Loudon County, Virginia. J. Emerg. Manage., 17, 343-353.
103. Markowski, P., 2002: Hook echoes and rear-f lank downdrafts: A review. Mon. Wea. Rev., 130, 852-876.
104. Markowski, P., and Y. Richardson, 2009: Tornadogenesis: Our current understanding, forecasting considerations, and questions to guide future research. Atmos. Res., 93, 3-10.
105. Markowski, P., and N. Dotzek, 2011: A numerical study of the effects of orography on supercells. Atmos. Res., 100, 457-478.
106. Martin, W., and M. Xue, 2006: Sensitivity analysis of convection of the 24 May 2002 IHOP case using very large ensembles. Mon. Wea. Rev., 134, 192-207.
107. Maximuk, L., and M. Hudson, 2012: Impact based warning: Experimental product. NWS Central Region presentation. [Available online at www.norman.noaa.gov/nsww/wp-content/uploads/2012/03/Hudson-NSWW2012.pdf.]
108. McCarthy, D., 2002: The role of ground-truth reports in the warning decision-making process during the 3 May 1999 Oklahoma tornado outbreak. Wea. Forecasting, 17, 647-649.
109. McDavid, J., and M. Marai, 1968: Social Psychology. Harper and Row, 479 pp.
110. McLaughlin, D., and Coauthors, 2009: Short-wavelength technology and the potential for distributed networks of small radar systems. Bull. Amer. Meteor. Soc., 90, 1797-1817.
111. Mead, C., 1997: The discrimination between tornadic and nontornadic supercell environments: A forecasting challenge in the Southern United States. Wea. Forecasting, 12, 379-387.
112. Mercer, A., C. Shafer, C. Doswell, L. Leslie, and M. Richman, 2009: Objective classification of tornadic and nontornadic severe weather outbreaks. Mon. Wea. Rev., 137, 4355-4368.
113. Mileti, D. S., 1999: Disasters by Design. Joseph Henry Press, 376 pp.
114. Mileti, D. S., and J. H. Sorensen, 1990: Communication of emergency public warnings: A social science perspective and state-of-the-art assessment. Oak Ridge National Laboratory Tech. Rep. ORNL-6609, 166 pp.
115. Mileti, D. S., and C. Fitzpatrick, 1993: Great Earthquake Experiment: Risk Communication and Public Action. Westview Press, 149 pp.
116. Mileti, D. S., and J. D. Darlington, 1995: Societal response to revised earthquake probabilities in the San Francisco Bay area. Int. J. Mass Emerg. Disasters, 13, 119-145.
117. Mileti, D. S., J. R. Hutton, and J. H. Sorensen, 1981: Earthquake Prediction Response and Options for Public Policy. Institute of Behavioral Science, University of Colorado, 152 pp.
118. Miller, M., V. Lakshmanan, and T. Smith, 2013: An automated method for depicting mesocyclone paths and intensities. Wea. Forecasting, 28, 570-585.
119. Miller, R., and C. Crisp, 1999a: Events leading to the establishment of the United States Air Force Severe Weather Warning Center in February 1951. Wea. Forecasting, 14, 500-506.
120. Miller, R., and C. Crisp, 1999b: The first operational tornado forecast twenty million to one. Wea. Forecasting, 14, 479-483.
121. M. Barth, L. Benjamin, R. Artz, and W. Pendergrass, 2007: MADIS support for UrbaNet. Preprints, 14th Symp. on Meteorological Observation and Instrumentation, San Antonio, TX, Amer. Meteor. Soc., JP2.5. [Available online at https://ams.confex.com/ams/87ANNUAL/webprogram/Paper119116.html.]
122. Minciardi, R., R. Sacile, and F. Siccardi, 2003: Optimal planning of a weather radar network. J. Atmos. Oceanic Technol., 20, 1251-1263.
123. Mitchell, E., S. Vasiloff, G. Stumpf, A. Witt, M. Eilts, J. T. Johnson, and K. Thomas, 1998: The National Severe Storms Laboratory tornado detection algorithm. Wea. Forecasting, 13, 352-366.
124. Mitchem, J. D., 2003: An analysis of the September 20, 2002, Indianapolis tornado: Public response to a tornado warning and damage assessment difficulties. Natural Hazards Research and Applications Information Center Quick Response Rep. 161, 55 pp. [Available online at www.colorado.edu/hazards/ research/qr/qr161/qr161.pdf.]
125. Moller, A., 1978: The improved NWS storm spotters' training program at Ft. Worth, TX. Bull. Amer. Meteor. Soc., 59, 1574-1582.
126. Moore, G., 1965: Cramming more components onto integrated circuits. Electronics, 38, 114-117.
127. Moore, T., and R. Dixon, 2012: Tropical cyclone-tornado casualties. Nat. Hazards, 61, 621-634.
128. Morss, R., J. K. Lazo, and J. L. Demuth, 2010: Examining the use of weather forecasts in decision scenarios: Results from a US survey with implications for uncertainty communication. Meteor. Appl., 17, 149-162.
129. Nagarajan, M., D. Shaw, and P. Albores, 2012: Disseminating a warning message to evacuate: A simulation study of the behaviour of neighbours. Eur. J. Oper. Res., 220, 810-819.
130. National Research Council, 1995: Toward a New National Weather Service: Assessment of NEXRAD Coverage and Associated Weather Services. National Academies Press, 104 pp.
131. National Research Council, 2009: Observing Weather and Climate from the Ground Up: A Nationwide Network of Networks. National Academies Press, 234 pp.
132. NOAA, 2011a: Service assessment: The historic tornadoes of April 2011. NOAA NWS Rep., 73 pp. [Available online at www.nws.noaa.gov/os/assessments/pdfs/ historic-tornadoes.pdf.]
133. NOAA, 2011b: Tornado warnings (nation). NOAA NWS, 10 pp. [Available online at https://verification.nws.noaa.gov/services/gpra/NWS-GPRA-Metrics.pdf.]
134. Ortega, K. L., T. M. Smith, K. L. Manross, K. A. Scharfenberg, A. Witt, A. G. Kolodziej, and J. J. Gourley, 2009: The Severe Hazards Analysis and Verification Experiment. Bull. Amer. Meteor. Soc., 90, 1519-1530.
135. Ostby, F., 1999: Improved accuracy in severe storm forecasting by the Severe Local Storms Unit during the last 25 years: Then versus now. Wea. Forecasting, 14, 526-543.
136. Otkin, J., D. Hartung, D. Turner, R. Petersen, W. Feltz, and E. Janzon, 2011: Assimilation of surface-based boundary layer profiler observations during a coolseason weather event using an Observing System Simulation Experiment. Part I: Analysis impact. Mon. Wea. Rev., 139, 2309-2326.
137. Park, S., and L. Xu, 2009: Data Assimilation for Atmospheric, Oceanic, and Hydrologic Applications. Springer, 495 pp.
138. Pearson, A., and S. Weiss, 1979: Some trends in forecast skill at the National Severe Storms Forecast Center. Bull. Amer. Meteor. Soc., 60, 319-326.
139. Peguero, A. A., 2006: Latino disaster vulnerability: The dissemination of hurricane mitigation Information among Florida's homeowners. Hisp. J. Behav. Sci., 28, 5-22.
140. Perry, R. W., 1979: Evacuation decision-making in natural disasters. Int. J. Mass Emerg. Disasters, 4, 25-38.
141. Perry, R. W., 1983: Population evacuation in volcanic eruptions, floods, and nuclear power plant accidents: Some elementary comparisons. J. Community Psychol., 11, 36-47.
142. Perry, R. W., 1987: Disaster preparedness and response among minority citizens. Sociology of Disasters, R. R. Dynes, B. DeMarchi, and C. Pelanda, Eds., Franco Angeli Libri, 135-151.
143. Perry, R. W., and M. Greene, 1983: Citizen Response to Volcanic Eruptions: The Case of Mt. St. Helens. Irvington Publishers, 145 pp.
144. Perry, R. W., and M. Lindell, 1986: Twentieth century volcanicity at Mt. St. Helens: The routinization of life near an active volcano. School of Public Affairs, Arizona State University, Tech. Rep. 179 pp.
145. Perry, R. W., and H. Hirose, 1991: Volcano Management in the United States and Japan. Jai Press, 230 pp.
146. Perry, R. W., and M. R. Greene, 1981: Evacuation Planning in Emergency Management. Lexington Books, 199 pp.
147. Pfister, N., 2002: Community response to flood warnings: The case of an evacuation from Grafton, March 2001. Aust. J. Emerg. Manag., 17, 19-29.
148. Polger, P., B. Goldsmith, R. Przywarty, and J. Bocchieri, 1994: National Weather Service Warning performance based on the WSR-88D. Bull. Amer. Meteor. Soc., 75, 203-214.
149. Powell, S. W., and H. D. O'Hair, 2008: Communicating weather information to the public: People's reactions and understandings of weather information and terminology. Preprints, Third Symp. on Policy and Socio-Economic Research, New Orleans, LA, Amer. Meteor. Soc., P1.3. [Available at http://ams.confex.com/ams/ pdfpapers/132939.pdf.]
150. Quarantelli, E. L., 1980: Evacuation behavior and problems: Findings and implications from the research literature. Disaster Research Center, The Ohio State University, Miscellaneous Rep. 27, 214 pp.
151. Quoetone, E., J. Boettcher, and C. Spannagle, 2009: How did that happen? A look at factors that go into forecaster warning decisions. Extended Abstracts, 34th Annual Meeting, Norfolk, VA, National Weather Association. [Available online at www.nwas.org/meetings/nwa2009/.]
152. Rasmussen, E., J. Straka, R. Davies-Jones, C. Doswell, F. Carr, M. Eilts, and D. MacGorman, 1994: Verification of the Origins of Rotation in Tornadoes Experiment: VORTEX. Bull. Amer. Meteor. Soc., 75, 995-1006.
153. Ray, P., and K. Sangren, 1983: Multiple-Doppler radar network design. J. Climate Appl. Meteor., 22, 1444-1454.
154. Richter, H., and L. Bosart, 2002: The suppression of deep moist convection near the southern Great Plains dryline. Mon. Wea. Rev., 130, 1665-1691.
155. Rogers, G., and J. Nehnevajsa, 1987: Warning human populations of technological hazards. Radiological Accidents: Perspectives and Emergency, C. Chester and K. S. Grant, Eds., American Nuclear Society, 357-362.
156. J. H. Sorensen, 1991: Diffusion of emergency warning: Comparing empirical and simulation results. Risk Anal., 11, 117-134.
157. Ryzhkov, A., T. Schuur, D. Burgess, and D. Zrnic, 2005: Polarimetric tornado detection. J. Appl. Meteor., 44, 557-570.
158. Saarinen, T., V. Baker, R. Durrenberger, and T. Maddock Jr., 1984: The Tucson, Arizona, Flood of October 1983. National Academy Press, 112 pp.
159. Scanlon, J., and A. Frizzell, 1979: Old theories don't apply: Implications of communication in crisis. Disasters, 3, 315-319.
160. Schenkman, A., M. Xue, A. Shapiro, K. Brewster, and J. Gao, 2011: Impact of CASA radar and Oklahoma Mesonet data assimilation on the analysis and prediction of tornadic mesovortices in an MCS. Mon. Wea. Rev., 139, 3422-3445.
161. Schmidlin, T. W., and P. S. King, 1997: Risk factors for death in the 1 March 1997 Arkansas tornadoes. Natural Hazards Research and Applications Information Center, Quick Response Rep. QR98. [Available online at www.colorado.edu/hazards/research/qr/qr98.html.]
162. Schultz, C., and M. Askelson, 2012: Vertical variations of boundary layer potential buoyancy in tornadic and nontornadic near-storm environments. Wea. Forecasting, 27, 1489-1506.
163. Schultz, D., E. Gruntfest, M. Hayden, C. Benight, S. Drobot, and L. Barnes, 2010: Decision making by Austin, Texas, residents in hypothetical tornado scenarios. Wea. Climate Soc., 2, 249-254.
164. Schultz, L., and D. Cecil, 2009: Tropical cyclone tornadoes, 1950-2007. Mon. Wea. Rev., 137, 3471-3484.
165. Shafer, C. M., A. E. Mercer, C. A. Doswell, M. B. Richman, and L. M. Leslie, 2009: Evaluation of WRF forecasts of tornadic and nontornadic outbreaks when initialized with synoptic-scale input. Mon. Wea. Rev., 137, 1250-1271.
166. Shafer, C. M.,, L. M. Leslie, M. B. Richman, and C. A. Doswell III, 2010: Evaluation of WRF model simulations of tornadic and nontornadic outbreaks occurring in the spring and fall. Mon. Wea. Rev., 138, 4098-4119.
167. Sherman-Morris, K., 2006: Tornadoes, television, and trust: A closer look at the influence of the local weather forecaster during severe weather. Environ. Hazards, 6, 201-210.
168. Sherman-Morris, K., 2010: Tornado warning dissemination and response at a university campus. Nat. Hazards, 52, 623-638.
169. Simmons, K., and D. Sutter, 2005: WSR-88D radar, tornado warnings, and tornado casualties. Wea. Forecasting, 20, 301-310.
170. Simmons, K., and D. Sutter, 2008: Tornado warnings, lead times, and tornado casualties: An empirical investigation. Wea. Forecasting, 23, 246-258.
171. Simmons, K., and D. Sutter, 2009: False alarms, tornado warnings, and tornado casualties. Wea. Climate Soc., 1, 38-53.
172. Simmons, K., and R. Pielke, 2013: Normalized tornado damage in the United States: 1950-2011. Environ. Hazards, 12, 132-147, doi:10.1080/17477891.2012. 738642.
173. Smith, P., 1999: Effects of imperfect storm reporting on the verification of weather warnings. Bull. Amer. Meteor. Soc., 80, 1099-1105.
174. Smith, T. M., and K. L. Elmore, 2004: The use of radial velocity derivatives to diagnose rotation and divergence. Preprints, 11th Conf. on Aviation, Range, and Aerospace, Hyannis, MA, Amer. Meteor. Soc., P5.6. [Available online at https://ams.confex.com/ams/11aram22sls/techprogram/paper- 81827.htm.]
175. Snook, N., M. Xue, and Y. Jung, 2012: Ensemble probabilistic forecasts of a tornadic mesoscale convective system from ensemble Kalman filter analyses using WSR-88D and CASA radar data. Mon. Wea. Rev., 140, 2126-2146.
176. Sorensen, J. H., 1982: Evaluation of the emergency warning system at the Fort St. Vrain nuclear power plan. Oak Ridge National Laboratory Tech. Memo. ORNL/TM-8171, 80 pp.
177. Sorensen, J. H., and P. J. Gersmehl, 1980: Volcanic hazard warning system: Persistence and transferability. Environ. Manage., 4, 125-136.
178. Sorensen, J. H., and D. S. Mileti, 1987: Decision-making uncertainties in emergency warning system organizations. Int. J. Mass Emerg. Disasters, 5, 33-61.
179. Stallings, R., 1990: Media discourse and the social construction of risk. Soc. Probl., 37, 80-95.
180. Stensrud, D. J., and S. J. Weiss, 2002: Mesoscale model ensemble forecasts of the 3 May 1999 tornado outbreak. Wea. Forecasting, 17, 526-543.
181. Stensrud, D. J., J. Cortinas, and H. Brooks, 1997: Discriminating between tornadic and nontornadic thunderstorms using mesoscale model output. Wea. Forecasting, 12, 613-632.
182. Stensrud, D. J., and Coauthors, 2009: Convective-scale warn-onforecast system. Bull. Amer. Meteor. Soc., 90, 1487-1499.
183. Stewart, T. R., and C. M. Lusk, 1994: Seven components of judgmental forecasting skill: Implications for research and the improvement of forecasts. J. Forecasting, 13, 579-599.
184. Stough, S., E. Leitman, J. Peters, and J. Correia Jr., 2012: On the role of Storm Prediction Center products in decision making leading up to hazardous weather events. Preprints, 11th Annual AMS Student Conf. and Career Fair, New Orleans, LA, Amer. Meteor. Soc., S125. [Available online at https://ams.confex. com/ams/92Annual/webprogram/Paper204254.html.]
185. Stuart, N., and Coauthors, 2006: The future of humans in an increasingly automated forecast process. Bull. Amer. Meteor. Soc., 87, 1497-1502.
186. Stumpf, G., A. Witt, E. D. Mitchell, P. L. Spencer, J. T. Johnson, M. D. Eilts, K. W. Thomas, and D. W. Burgess, 1998: The National Severe Storms Laboratory mesocyclone detection algorithm for the WSR-88D. Wea. Forecasting, 13, 304-326.
187. Sutter, D., and S. Erickson, 2010: The time cost of tornado warnings and the savings with storm-based warnings. Wea. Climate Soc., 2, 103-112.
188. Sutter, D., and K. Simmons, 2010: Tornado fatalities and mobile homes in the United States. Nat. Hazards, 53, 125-137.
189. Sutter, D., D. DeSilva, and J. Kruse, 2009: An economic analysis of wind resistant construction. J. Wind Eng. Ind. Aerodyn., 97, 113-119.
190. Tierney, K., 1987: Chemical emergencies, offsite exposures and organizational response. Natural Hazards Research and Applications Center, Institute of Behavioral Science, University of Colorado, Quick Response Rep. QR21, 24 pp.
191. Trapp, R., S. Tessendorf, E. Savageau Godfrey, and H. Brooks, 2005: Tornadoes from squall lines and bow echoes. Part I: Climatological distribution. Wea. Forecasting, 20, 23-34.
192. Turner, R. H., J. M. Nigg, D. H. Paz, and B. S. Young, 1979: Earthquake threat: The human response in southern California. Institute for Social Science Research, University of California, Los Angeles, Tech. Rep., 152 pp.
193. Unidata, cited 2012: THREDDS. [Available online at www.unidata.ucar.edu/ projects/THREDDS/.]
194. Wakimoto, R., and J. Wilson, 1989: Non-supercell tornadoes. Mon. Wea. Rev., 117, 1113-1140.
195. Wang, Y., T.-Y. Yu, M. Yeary, A. Shapiro, S. Nemati, M. Foster, D. Andra Jr., and M. Jain, 2008: Tornado detection using a neuro-fuzzy system to integrate shear and spectral signatures. J. Atmos. Oceanic Technol., 25, 1136-1148.
196. Whiton, R. C., P. L. Smith, S. G. Bigler, K. E. Wilk, and A. C. Harbuck, 1998: History of operational use of weather radar by U.S. weather services. Part II: Development of operational Doppler weather radars. Wea. Forecasting, 13, 244-252.
197. Wood, V., R. Brown, and S. Vasiloff, 2003: Improved detection using negative elevation angles for mountaintop WSR-88Ds. Part II: Simulations of the three radars covering Utah. Wea. Forecasting, 18, 393-403.
198. Wurman, J., D. Dowell, Y. Richardson, P. Markowski, E. Rasmussen, D. Burgess, L. Wicker, and H. Bluestein, 2012: The Second Verification of the Origins of Rotation in Tornadoes Experiment: VORTEX2. Bull. Amer. Meteor. Soc., 93, 1147-1170.
199. Zrnic, D. S., and Coauthors, 2007: Agile-beam phased array radar for weather observations. Bull. Amer. Meteor. Soc., 88, 1753-1766.
200. Zubrick, S., 2010: Tornadoes: Understanding how they develop and providing early warning; Part III NWS. Hazards Caucus Alliance Briefing Series: Tornadoes; Understanding How They Develop and Providing Early Warning, Washington DC, American Geological Institute. [Available online at www.hazardscaucus.org/briefings/zubrick0710 .pdf.]