2011 Tornado Season Statistics - thorntonweather.com

14°F

Thornton, Colorado, USA

Updated: Sun, 05-Feb-2012 3:05am MST

Navigation

Active Alerts

2011 Tornado Season Statistics	Storm Prediction Center Forecast Storm Prediction Center Watches

Get complete coverage of the deadly 2011 tornado season from the Natural Disasters Examiner

Tornado Totals Killer Tornadoes U.S. Tornado Report Map Colorado Severe WX Report Map
2011 Tornado Totals ZCZC STAMTS ALL NWUS21 KWNS 040442 TORNADO TOTALS AND RELATED DEATHS...THROUGH THU FEB 2 2011 NWS STORM PREDICTION CENTER NORMAN OK 1042 PM CST FRI FEB 03 2012 ...NOVEMBER 2011 ACTUAL MONTHLY TORNADO TOTAL UPDATED... ...2011 ANNUAL TORNADO TOTAL REMAINS PRELIMINARY... ...NUMBER OF TORNADOES... NUMBER OF KILLER TORNADO DEATHS TORNADOES ..2012.. 2011 2010 2009 3YR 3YR 3YR PREL ACT ACT ACT ACT AV 12 11 10 09 AV 12 11 10 09 AV JAN 95 - 16 30 6 17 2 0 0 0 0 2 0 0 0 0 FEB 1 - 63 1 36 33 - 1 0 9 3 - 1 0 2 1 MAR - - 75 33 115 74 - 1 1 0 1 - 1 1 0 1 APR - - 758 139 226 371 - 360 11 6 126 - 43 2 3 16 MAY - - 326 304 201 279 - 178 7 5 64 - 9 4 3 5 JUN - - 160 324 270 251 - 3 12 0 5 - 1 6 0 2 JUL - - 103 146 118 122 - 0 2 0 1 - 0 1 0 0 AUG - - 57 55 60 57 - 2 1 0 1 - 2 1 0 1 SEP - - 51 57 8 39 - 0 2 0 1 - 0 2 0 1 OCT - - 23 108 65 65 - 0 0 1 0 - 0 0 1 0 NOV - - 44 53 3 39 - 5 0 0 2 - 2 0 0 1 DEC - - 33* 32 38 34 - 0 9 0 3 - 0 4 0 1 ---- ---- ---- ---- ---- ---- -- -- -- --- --- -- -- -- -- -- SUM 96 0 1709* 1282 1146 1382 2 550 45 21 206 2 59 21 9 30 PREL = 2012 PRELIMINARY COUNT FROM ALL NWS LOCAL STORM REPORTS. ACT = ACTUAL TORNADO COUNT BASED ON NWS STORM DATA SUBMISSIONS. *DECEMBER 2011...AND THE TOTAL FOR 2011...REMAIN PRELIMINARY UNTIL NWS STORM DATA IS REVIEWED IN EARLY MARCH 2012. THE PRELIMINARY COUNT (PREL) IS A COUNT OF EYEWITNESS REPORTS FOR TORNADO EVENTS NOT A COUNT OF ACTUAL TORNADOES. COMPARISONS BETWEEN PRELIMINARY COUNTS AND ACTUAL COUNTS FROM PRIOR YEARS SHOULD BE AVOIDED. ..CARBIN..02/04/2012 $$ 2011 Deadly Tornadoes 2012 PRELIMINARY KILLER TORNADOES NWS STORM PREDICTION CENTER NORMAN OK 0358 AM CST SAT FEB 04 2012 TIME STATE ## DATE CST COUNTIES DEATHS A B C D WATCH EF CIRCUMSTANCE -- ------ ---- ----------- ------ - - - - ----- -- ------------ 01 JAN 23 0315 JEFFERSON AL 1 1 - - - WT007 2 01M 02 JAN 23 0400 JEFFERSON AL 1 1 - - - WT007 3 01H ___ ___ _ _ _ TOTALS: 002 002 - - - FATALITIES BY STATE: AL02 FATALITIES BY CIRCUMSTANCE: 01M 01H A = IN TORNADO WATCH B = IN SEVERE THUNDERSTORM WATCH C = CLOSE TO THE WATCH /15 MINUTES OR 25 MILES/ D = NO WATCH IN EFFECT H = HOUSE M = MOBILE HOME O = OUTDOORS P = PERMANENT BUILDING/STRUCTURE V = VEHICLE U = UNKNOWN WS = SEVERE THUNDERSTORM WATCH /NUMBER/ WT = TORNADO WATCH /NUMBER/ EF = ENHANCED FUJITA SCALE RATING 2011 PRELIMINARY STATISTICS ARE AVAILABLE AT: HTTP://WWW.SPC.NOAA.GOV/CLIMO/TORN/FATALTORN.HTML ..CARBIN..02/04/2012 2011 Tornado Report Map - United States 2011 Severe Weather Report Map - Colorado Red = Tornadoes Green = Hail Blue = Wind
Data courtesy of the Storm Prediction Center.

Related severe weather links: Advisories & Warnings Hazardous Weather Outlook Local Storm Reports SPC Forecast SPC Discussion SPC Watches SPC Fire Weather Outlook SPC Storm Reports Subscribe to our email alert / report system