29:
448:
315:
434:
422:, leaving it vulnerable to extended periods of cold weather, leading to widespread power outages. Five times as much natural gas as wind power had been lost because of the cold. When power was cut, it disabled some compressors that push gas through pipelines, and the resulting shortage knocked out more gas plants.
287:, experienced its sixth-coldest February on record with an average temperature of 15.2 °F . The city recorded its coldest temperature of the month on the morning of February 16, with a low temperature of −17 °F . Two days prior, a record-low high of −4 °F was recorded. On February 16,
213:
and many pipes to burst. At least 278 people were killed directly or indirectly by severe cold, and the damages are estimated to exceed $ 27.575 billion (2021 USD), including at least $ 26.075 billion in the United States and $ 1.5 billion in Mexico.
391:
The city of
Monterrey registered temperatures as low as −7 °C (19 °F) in the morning of February 15, which was the coldest temperature recorded in the city since 1983. The city also received snow, which is a rare occurrence in the area.
908:
878:
384:, temperatures reached as low as −4.5 °C (23.9 °F) early on February 16 as bitterly cold air surged south from Canada and the United States into the country of Mexico. It was the coldest temperature reported in the city since
1017:
706:
900:
870:
238:(SSW) event that occurred in early January. However, the effects of this event did not materialize within North America until the pattern began to become unstable near the end of the month. An
263:, the high temperature did not rise above −20.0 °C (−4.0 °F) for 9 consecutive days, the longest period since 1996. On February 7, 2021, the International Airport weather station in
1009:
958:"Fargo-Hector Intl AP is expected to stay just below zero today (Monday). If it does it will be 10 days in a row of temps at or below zero. This ties for 4th in the climate record. #ndwx"
770:
209:, broke or nearly reached record-low temperatures not seen in decades or even a century. In Texas, the record cold caused enormous strain on the power grid and froze pipelines, leading
543:
2681:
991:
2992:
2782:
2538:
1194:
2563:
932:"The streak is over! #Billings reached zero at 10:30 am this morning. We spent a total of 7 days, or 198 hours, below zero. This ranks 3rd longest all-time. #mtwx"
1217:
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1412:
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1403:
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496:
491:
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3258:
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experienced temperatures over 50 °F below normal. Records more than a century old were broken: on
February 16, daily record lows were broken in
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2408:
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1372:
1368:
1364:
186:. Severe winter storms also were associated with the bitter cold, which allowed for heavy snowfall and ice accumulations to places as far south as
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1328:
3019:
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2413:
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1080:
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1942:
1930:
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267:, recorded a low temperature of −43.6 °C (−46.5 °F) with two consecutive lows below −40.0 °C (−40.0 °F).
732:
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2837:
2705:
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2479:
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1709:
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486:
259:, equaled their all time coldest temperature of −48.9 °C (−56.0 °F) previously recorded on January 15, 1974. In
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3114:
2938:
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476:
385:
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of −2 °F (−19 °C) on
February 16 was the coldest in North Texas in 72 years. Power equipment in Texas was not
291:
experienced a temperature of −1 °F , which was the coldest since 1989, with all-time low temperatures being set in
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2899:
2775:
2770:
2676:
2720:
2715:
2597:
2516:
2021:
2014:
1494:
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1424:
283:, experienced their longest streak of sub-zero (0 °F ) temperatures since at least 1983 and 1996, respectively.
137:
226:
migrated southward in early
February 2021, allowing bitterly cold air from the polar vortex to spill south into the
3160:
2506:
2379:
2107:
1782:
1270:"Texas leaders failed to heed warnings that left the state's power grid vulnerable to winter extremes, experts say"
845:
820:"Synoptic Discussion - January 2021 - State of the Climate - National Centers for Environmental Information (NCEI)"
28:
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3273:
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2197:
2177:
2160:
2119:
2045:
2002:
1794:
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1130:
183:
1218:"Hundreds of thousands remain without power as more snow is headed to Dallas-Fort Worth on heels of record cold"
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3441:
3365:
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3263:
2102:
2097:
466:
193:
With the record cold advancing so far south, effects were crippling and widespread. Many regions within the
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520:
256:
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1978:
1613:
1269:
33:
Temperature anomaly map for the week of
February 14–20, 2021, showing the widespread cold across the
1033:"These US cities had the coldest morning in decades – with some reaching all-time record lows"
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1823:
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1954:
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during the first two-thirds of
February 2021. The cold was caused by a southern migration of the
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1901:
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1515:
957:
461:
292:
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experienced a record 164 hours. This put a strain on the state's power grid, resulting in the
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3071:
1918:
1806:
1539:
931:
288:
123:
119:
83:
38:
34:
655:
1551:
453:
350:
314:
8:
3200:
1865:
1637:
1081:
A year later: A look at what caused
February 2021′s Arctic blast, waves of wintry weather
740:
280:
372:
losing 18% of its tree cover. 288,000 households were without electricity in
Portland.
190:, and contributing to one of the snowiest winters ever in some areas in the Deep South.
3100:
338:
296:
260:
3462:
3345:
1303:
276:
264:
1105:
733:"Houston Faces Dire Water Issues as Power Outages, Cold Push Texans To Their Limits"
707:"Texas Winter Storm Death Toll Goes Up To 210, Including 43 Deaths In Harris County"
3467:
3436:
2182:
1889:
358:
284:
433:
414:
by far was the state worst affected by the cold wave. A record low temperature at
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2398:
1770:
819:
680:
308:
194:
151:
2827:
439:
304:
187:
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1601:
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159:
79:
603:
3315:
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1068:
239:
231:
167:
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2815:
342:
1057:
A Vivid View of
Extreme Weather: Temperature Records in the U.S. in 2021
222:
As with most cold waves, the origins of the cold wave occurred when the
174:
event that occurred the prior month. Temperatures fell as much as 25–50
2136:
223:
175:
154:
event that brought record low temperatures to a significant portion of
3123:
3061:
1131:
Texas just had its second-coldest week ever, state climatologist says
793:"20 deaths blamed on cold weather in north as another front moves in"
419:
329:(−14 °F , coldest since 1899 and the second-coldest on record),
234:. The weakening of the jet stream is likely to have been caused by a
1216:
Marfin, Catherine; Jimenez, Jesus; Steele, Tom (February 17, 2021).
521:
Parts of Canada recorded -52°C this past weekend, coldest in 4 years
333:(−2 °F , coldest since 1930 and the second-coldest on record),
1268:
Douglas, Erin; McGee, Kate; McCullough, Jolie (February 18, 2021).
1093:
All
Weather Records Broken in 2021: Temperatures, Rain and Snowfall
984:"Our Recap of a Frenetic Stretch of Record-Breaking Winter Weather"
381:
364:
Tree limbs and entire trees fell under the weight of the ice, with
206:
198:
1411:
345:
experienced a record 205 hours of subfreezing temperatures, while
334:
179:
1296:"How Texas' Power Generation Failed During the Storm, In Charts"
1244:"Why Winter Storm Uri Caused Millions of Power Outages in Texas"
1169:"Mass power outages and lessons learned from the 2021 ice storm"
542:(Report). City of Austin & Travis County. November 4, 2021.
1329:"A Giant Flaw in Texas Blackouts: It Cut Power to Gas Supplies"
369:
330:
163:
155:
127:
115:
901:"Daily Data Report for February 2021: Edmonton Intl A Alberta"
3092:
871:"Daily Data Report for February 2021: Winnipeg A Cs Manitoba"
411:
361:. The state experienced their second coldest week on record.
322:
202:
1010:"February 2021 tied for 6th-coldest on record in Des Moines"
608:
537:
2021 Winter Storm Uri After-Action Review: Findings Report
1144:"2021 ice storm took out nearly 18% of Salem tree canopy"
846:"One of the coldest places in Canada was in Saskatchewan"
1106:"US cold snap: Why is Texas seeing Arctic temperatures?"
763:"Tormenta invernal deja 12 muertos en estados del norte"
318:
Snow cover across the U.S. on the morning of February 19
242:
then proceeded to usher in the cold air by February 6.
1267:
1261:
604:"Billion-Dollar Weather and Climate Disasters: Events"
566:
564:
429:
1215:
1359:The death toll and damage is a combination of the
1069:Historic 2021 cold outbreak - February 6th - 18th
730:
561:
311:spent a record amount of time below 20 °F .
3480:
1373:February 13-17, 2021 North American winter storm
1369:February 15-20, 2021 North American winter storm
1365:February 13-17, 2021 North American winter storm
497:February 15–20, 2021 North American winter storm
492:February 13–17, 2021 North American winter storm
955:
598:
596:
1413:Major snow and ice events in the United States
1030:
3108:
1397:
1241:
785:
698:
1003:
1001:
929:
843:
704:
593:
724:
3115:
3101:
1404:
1390:
1133:, Philadelphia Inquirer, February 19, 2021
27:
998:
531:
529:
502:December 2022 North American winter storm
1242:Wesner Childs, Jan (February 16, 2021).
1007:
975:
313:
994:from the original on February 19, 2024.
760:
754:
731:Jan Wesner Childs (February 18, 2021).
572:Global Catastrophe Recap September 2021
416:Dallas/Fort Worth International Airport
337:(13 °F , coldest since 1989), and
3481:
1375:are excluded because they are tornadic
1361:February 2021 North American ice storm
1294:Penney, Veronica (February 19, 2021).
1293:
1071:, National Weather Service Wichita, KS
982:Erdman, Jonathan (February 22, 2021).
981:
773:from the original on February 17, 2021
526:
482:February 2015 North American cold wave
245:
148:February 2021 North American cold wave
22:February 2021 North American cold wave
3524:February 2021 events in North America
3096:
1385:
956:NWS Grand Forks (February 15, 2021).
905:Environment and Climate Change Canada
875:Environment and Climate Change Canada
623:
549:from the original on November 5, 2021
355:Electric Reliability Council of Texas
1031:Brandon Miller (February 16, 2021).
1020:from the original on April 11, 2023.
761:Estrada, Jesús (February 16, 2021).
487:2021 Western North America heat wave
182:) below average as far south as the
1008:Lawrence, Brandon (March 1, 2021).
911:from the original on April 14, 2021
881:from the original on April 14, 2021
581:. October 12, 2021. pp. 11, 13
477:Early 2014 North American cold wave
341:(12 °F , coldest since 1989).
13:
1059:, New York Times, January 11, 2022
930:NWS Billings (February 15, 2021).
837:
400:
14:
3535:
844:Giles, David (February 8, 2021).
78:−51.9 °C (−61.4 °F) in
817:
446:
432:
270:
3519:Cold waves in the United States
3437:1995 "White Earthquake" (Chile)
1321:
1287:
1235:
1209:
1187:
1161:
1136:
1124:
1098:
1086:
1074:
1062:
1050:
1024:
949:
923:
893:
863:
811:
3122:
1353:
705:Andrew Weber (July 14, 2021).
673:
648:
514:
303:(−51 °F ). The cities of
1:
3489:2020–21 North American winter
1095:, Newsweek, December 15, 2021
507:
467:1994 North American cold wave
217:
138:2020–21 North American winter
1371:, however 3 deaths from the
236:sudden stratospheric warming
172:sudden stratospheric warming
7:
523:, DH News, February 8, 2021
472:2011 Groundhog Day blizzard
425:
10:
3540:
769:(in Spanish). La Jornada.
404:
257:Uranium City, Saskatchewan
3494:2021 in the United States
3450:
3429:
3374:
3298:
3291:
3229:
3188:
3181:
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2798:
2301:
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1579:
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1419:
1083:, KWTX, February 13, 2022
395:
375:
250:
133:
111:
103:
95:
90:
74:
69:
61:
53:
46:
26:
685:National Weather Service
3259:2010–11 (GB & Ire.)
1222:The Dallas Morning News
407:2021 Texas power crisis
301:Bottineau, North Dakota
75:Lowest temperature
3509:2021 natural disasters
1195:"Synop report summary"
462:Great Blizzard of 1899
319:
293:Fayetteville, Arkansas
211:millions to lose power
162:and parts of northern
48:Meteorological history
3072:Extratropical cyclone
317:
170:, likely caused by a
124:Eastern United States
120:Central United States
84:Northwest Territories
39:Eastern United States
3514:Cold waves in Canada
3279:2018 (GB & Ire.)
2853:Dec 30 – Jan 2, 2021
2470:Dec 30, 2013 – Jan 4
1783:Dec 30, 1963 – Jan 4
711:Houston Public Media
631:"Accuweather Update"
454:North America portal
351:Southwest Power Pool
299:(−30 °F ), and
255:On February 7, 2021
3138:2009–10 (East Asia)
1335:. February 20, 2021
1175:. February 16, 2022
1112:. February 15, 2021
988:The Weather Channel
799:. February 19, 2021
741:The Weather Company
681:"Ice Accumulations"
386:a cold wave in 2014
295:, (−20 °F ),
281:Fargo, North Dakota
246:Record temperatures
23:
3351:1982 "Cold Sunday"
3153:2013 (Middle East)
1300:The New York Times
1197:. Saltillo: Ogimet
320:
297:Hastings, Nebraska
261:Winnipeg, Manitoba
107:≥ $ 27.575 billion
21:
3476:
3475:
3463:List of blizzards
3425:
3424:
3287:
3286:
3090:
3089:
3050:
3049:
1504:18th–19th century
1274:The Texas Tribune
797:Mexico News Daily
359:rolling blackouts
357:both instituting
277:Billings, Montana
265:Edmonton, Alberta
205:, in addition to
144:
143:
65:February 22, 2021
16:Cold wave in 2021
3531:
3504:2021 meteorology
3499:2020s cold waves
3468:Siberian Express
3296:
3295:
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721:
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695:
693:
691:
677:
671:
670:
668:
666:
656:"Pile-up Update"
652:
646:
645:
643:
641:
627:
621:
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591:
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588:
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541:
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285:Des Moines, Iowa
57:February 6, 2021
49:
31:
24:
20:
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3421:
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3283:
3225:
3177:
3126:
3121:
3091:
3086:
3067:Extreme weather
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409:
403:
398:
380:In the city of
378:
309:Chanute, Kansas
273:
253:
248:
220:
195:Southern Plains
152:extreme weather
134:
91:Overall effects
47:
42:
17:
12:
11:
5:
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3333:
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3318:
3316:1894–95 freeze
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2015:Mar 31 – Apr 1
2007:
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1955:Oct 31 – Nov 3
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440:Weather portal
427:
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405:Main article:
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305:Salina, Kansas
275:The cities of
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188:Houston, Texas
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3321:1899 blizzard
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2019:
2016:
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1931:February 9–12
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1333:Bloomberg.com
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401:United States
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327:Oklahoma City
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271:United States
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228:Upper Midwest
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160:United States
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110:
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98:
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89:
86:on February 8
85:
81:
77:
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68:
64:
60:
56:
52:
45:
40:
36:
30:
25:
19:
3411:
3375:2000–present
3230:2000–present
3216:1962–63 (UK)
3211:1946–47 (UK)
3206:1894–95 (UK)
3173:2017 (India)
3166:Saudi Arabia
3148:2012 (India)
3143:2011 (India)
3082:Storm naming
3077:Polar vortex
3009:
2993:Jan 31–Feb 2
2987:
2933:
2859:
2805:
2750:
2700:
2631:
2582:
2528:
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2062:21st century
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2009:
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1580:20th century
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1516:Feb 27–Mar 7
1510:
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1339:February 21,
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579:Aon Benfield
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516:
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240:arctic front
232:Great Plains
221:
192:
168:polar vortex
147:
145:
136:
135:Part of the
99:At least 331
18:
3458:Hypothermia
3299:Before 2000
3189:Before 2000
1943:Dec 22 – 24
1248:weather.com
850:Global News
737:weather.com
585:October 12,
553:November 5,
343:Waco, Texas
339:San Antonio
289:Little Rock
126:, Northern
3483:Categories
3124:Cold waves
615:August 30,
577:(Report).
508:References
420:winterized
224:jet stream
218:Background
184:Gulf Coast
96:Fatalities
62:Dissipated
3269:2013 (UK)
3161:East Asia
3062:Cold wave
3040:Feb 16–17
3035:Feb 10–13
3025:Jan 13–16
2998:Feb 21–28
2981:Dec 21–26
2976:Dec 12-16
2971:Nov 17–20
2964:Apr 11-14
2959:Feb 22-26
2949:Jan 27–30
2944:Jan 14–17
2927:Dec 13–18
2917:Oct 24–26
2910:Apr 15–17
2905:Mar 16–17
2900:Mar 10–17
2895:Feb 15–20
2890:Feb 13–17
2885:Feb 11–14
2880:Feb 10–12
2865:Jan 12–17
2848:Dec 23–25
2843:Dec 14–18
2828:Oct 29–30
2823:Oct 26–28
2811:Jan 14–19
2788:Dec 21–26
2776:Apr 10–12
2771:Mar 11–15
2766:March 3-4
2761:Feb 11–13
2756:Jan 16–21
2743:Nov 14-15
2736:Apr 12–15
2731:Mar 20–22
2726:Mar 11–15
2711:Jan 13–16
2689:Oct 29–31
2677:Mar 11–15
2667:Feb 12–14
2657:Jan 21–23
2652:Jan 19–24
2647:Jan 10–17
2625:Dec 23–26
2618:Apr 15–23
2613:Mar 21–25
2603:Feb 23–24
2588:Jan 21–24
2576:Dec 26–30
2571:Nov 24–27
2554:Feb 25–26
2544:Feb 12–17
2534:Jan 23–30
2522:Dec 10–27
2512:Nov 13–21
2500:Mar 24–28
2490:Feb 19–21
2485:Feb 11–14
2480:Jan 27–31
2475:Jan 20–22
2458:Dec 19–23
2453:Nov 22–28
2441:Mar 18–20
2414:Dec 25–28
2409:Dec 17–22
2392:Jan 16–20
2363:Jan 24–28
2341:Oct 23–28
2334:Mar 12–16
2329:Feb 24–27
2314:Jan 17–26
2291:Dec 22–28
2286:Dec 16–20
2281:Oct 13–20
2274:Jan 25–30
2262:Dec 19–25
2257:Dec 11–12
2220:Apr 13–17
2215:Feb 12–20
2210:Jan 11–24
2188:Nov 20–24
2183:Oct 11–13
2178:Feb 11–13
2166:Dec 14–16
2161:Jan 20–23
2149:Dec 24–28
2144:Dec 21–24
2137:Feb 17–23
2120:Feb 14–19
2098:Jan 29–31
2086:Dec 27–31
2081:Jan 18–30
2051:Jan 14–15
2022:Oct 24–26
1979:Mar 12–15
1967:Dec 10–12
1919:Jan 13–14
1902:Jan 25–27
1831:Dec 25–28
1807:Jan 26–27
1795:Jan 27–31
1771:Oct 25–30
1744:Jan 18–21
1739:Jan 11–13
1727:Dec 11–13
1710:Mar 18–22
1698:Mar 18–19
1686:Feb 17–18
1674:Nov 24–30
1662:Dec 25–26
1650:Nov 10–12
1638:Jan 27–28
1626:Mar 15–18
1602:Nov 27–28
1569:Feb 11–14
1557:Mar 11–14
1552:Jan 12–13
1423:Seasons:
1308:0362-4331
1179:April 13,
1153:April 13,
915:March 28,
885:March 28,
855:March 28,
803:April 27,
70:Cold wave
3020:Jan 8–10
3003:Mar 9–17
2922:Dec 9–12
2694:Dec 8–10
2672:Feb 8–22
2662:Feb 6–10
2642:Jan 7–13
2608:Mar 8–11
2598:Feb 7–10
2564:May 9–11
2517:Dec 9–11
2507:Nov 8–13
2436:Mar 1–10
2426:Feb 7–18
2404:Nov 7–10
2380:Nov 8–10
2358:Jan 8–13
2346:Dec 5–29
2324:Feb 7–11
2252:Mar 6–10
2247:Jan 3–11
2235:Dec 8–18
2034:Jan 4–10
2003:Jan 6–10
1866:Jan 9–12
1855:Feb 9–11
1819:Feb 8–10
1614:Nov 6–11
1540:Jan 6–10
1528:Oct 4–11
1201:March 7,
1173:KOIN.com
1110:BBC News
1018:Archived
992:Archived
967:March 8,
941:March 8,
909:Archived
879:Archived
824:noaa.gov
771:Archived
544:Archived
426:See also
382:Saltillo
353:and the
207:Arkansas
199:Oklahoma
197:such as
80:Wekweètì
3451:Related
3402:2017–18
3306:1886–87
3242:2009–10
3221:1990–91
3196:1683–84
3055:Related
3030:Feb 1–7
3015:Jan 6–7
2954:Feb 1–5
2939:Jan 3–4
2875:Feb 6–8
2838:Dec 4–6
2816:Feb 2–5
2721:Mar 6–8
2716:Mar 1–3
2706:Jan 2–5
2637:Jan 4–8
2559:Mar 1–6
2448:Oct 3–5
2319:Feb 1–6
2125:Dec 5–8
2108:Dec 4–5
2046:Jan 2–4
1991:Feb 2–6
1907:Feb 5–7
1844:Mar 3–5
1824:Mar 5–8
1759:Mar 6–8
1748:Feb 2–5
1722:Mar 2–5
1495:2023–24
1490:2022–23
1485:2021–22
1480:2020–21
1475:2019–20
1470:2018–19
1465:2017–18
1460:2016–17
1455:2015–16
1450:2014–15
1445:2013–14
1440:2012–13
1435:2011–12
1430:2010–11
1425:2009–10
962:Twitter
936:Twitter
660:Twitter
635:Twitter
335:Houston
178:(14–28
150:was an
35:Central
3252:Sweden
3182:Europe
1306:
818:Heim.
396:Impact
376:Mexico
370:Oregon
347:Austin
331:Dallas
279:, and
251:Canada
164:Mexico
158:, the
156:Canada
128:Mexico
116:Canada
104:Damage
54:Formed
3385:early
3381:2014
3157:2016
2799:2020s
2302:2010s
2103:Feb 7
2069:2000s
1878:Feb 2
575:(PDF)
547:(PDF)
540:(PDF)
412:Texas
366:Salem
323:Texas
203:Texas
3442:2022
3417:2022
3412:2021
3407:2019
3397:2015
3390:late
3366:1994
3361:1989
3356:1985
3346:1978
3341:1977
3336:1936
3331:1912
3326:1911
3311:1888
3274:2017
3264:2012
3237:2006
3201:1709
3131:Asia
3010:2024
2988:2023
2934:2022
2860:2021
2806:2020
2751:2019
2701:2018
2632:2017
2583:2016
2529:2015
2465:2014
2421:2013
2387:2012
2353:2011
2309:2010
2269:2009
2242:2008
2205:2007
2173:2006
2156:2005
2132:2004
2115:2003
2093:2002
2076:2000
2041:1999
2029:1998
2010:1997
1998:1996
1986:1995
1974:1993
1962:1992
1950:1991
1938:1989
1926:1983
1914:1979
1897:1978
1885:1977
1873:1976
1861:1975
1851:1973
1839:1971
1814:1969
1802:1967
1790:1966
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1705:1958
1693:1956
1681:1952
1669:1950
1657:1947
1645:1940
1633:1922
1621:1920
1609:1913
1597:1905
1587:1900
1564:1899
1547:1888
1535:1886
1523:1804
1511:1717
1367:and
1341:2021
1315:2021
1304:ISSN
1281:2021
1255:2021
1229:2021
1203:2021
1181:2022
1155:2022
1118:2021
1044:2021
969:2021
943:2021
917:2021
887:2021
857:2021
831:2021
805:2021
779:2021
748:2021
718:2021
692:2021
667:2021
642:2021
617:2021
609:NOAA
587:2021
555:2021
307:and
230:and
201:and
146:The
37:and
1148:opb
1037:CNN
3485::
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