Alert archive / Colorado / Yuma County

Weather alerts in Yuma County, Colorado, 2020

281 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Yuma County and its neighbors

Each county as a circle sized by its count in 2020. Tap one for its archive.

Alerts
281
Warnings
107
Watches
33
Advisories
30
Busiest month
July76 alerts
Busiest day
May 4, 202013 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

Yuma County, 2020

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings532553%5381%31 min
Flash flood warnings3167%520%169 min

Each office's whole area, 2020

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Goodland, KS: tornado warnings6183%2512%14 min
NWS Goodland, KS: severe thunderstorm warnings24911454%36277%31 min
NWS Goodland, KS: flash flood warnings27870%4045%98 min

An office's figures cover every county it serves, including across state lines.

Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.

The alerts

Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Jan 6, 3:05 AM MSTHigh Wind WarningGLD14 hr
Jan 10, 11:13 PM MSTWind Chill AdvisoryGLD9 hr
Jan 17, 5:37 AM MSTDense Fog AdvisoryGLD3 hr
Jan 17, 3:44 PM MSTHigh Wind WarningGLD8 hr
Jan 27, 7:35 PM MSTWinter Weather AdvisoryGLD11 hr
Feb 1, 1:04 PM MSTRed Flag WarningGLD4 hr
Feb 1, 8:10 PM MSTRed Flag WarningGLD21 hr
Feb 2, 2:07 PM MSTWinter Weather AdvisoryGLD46 hr
Feb 5, 2:10 AM MSTDense Fog AdvisoryGLD8 hr
Feb 24, 2:00 PM MSTWinter Weather AdvisoryGLD29 hr
Feb 25, 7:43 AM MSTSnow Squall WarningGLD32 min
Feb 25, 8:12 AM MSTSnow Squall WarningGLD63 min
Mar 3, 2:38 AM MSTFire Weather WatchGLD24 hr
Mar 3, 1:02 PM MSTRed Flag WarningGLD28 hr
Mar 12, 2:16 PM MDTWinter Weather AdvisoryGLD46 hr
Mar 14, 3:06 PM MDTWinter Weather AdvisoryGLD18 hr
Mar 15, 6:22 PM MDTDense Fog AdvisoryGLD16 hr
Mar 17, 11:33 PM MDTDense Fog AdvisoryGLD9 hr
Mar 18, 4:13 AM MDTWinter Storm WatchGLD9 hr
Mar 18, 1:19 PM MDTWinter Weather AdvisoryGLD38 hr
Mar 18, 8:20 PM MDTDense Fog AdvisoryGLD14 hr
Mar 19, 4:58 AM MDTBlizzard WarningGLD17 hr
Mar 22, 1:00 PM MDTSpecial Weather StatementGLD15 min
Mar 22, 1:22 PM MDTSpecial Weather StatementGLD23 min
Mar 25, 2:38 AM MDTRed Flag WarningGLD15 hr
Mar 26, 4:33 AM MDTDense Fog AdvisoryGLD4 hr
Mar 27, 3:10 AM MDTWinter Weather AdvisoryGLD11 hr
Mar 27, 2:01 PM MDTBlizzard WarningGLD22 hr
Apr 6, 3:49 AM MDTDense Fog AdvisoryGLD6 hr
Apr 27, 1:58 PM MDTRed Flag WarningGLD30 hr
Apr 30, 2:31 AM MDTRed Flag WarningGLD15 hr
May 1, 5:19 PM MDTMesoscale DiscussionSPC116 min
May 1, 5:42 PM MDTSpecial Weather StatementGLD48 min
May 1, 6:30 PM MDTSpecial Weather StatementGLD30 min
May 1, 7:44 PM MDTSpecial Weather StatementGLD46 min
May 1, 8:36 PM MDTSpecial Weather StatementGLD24 min
May 3, 2:44 PM MDTMesoscale DiscussionSPC2 hr
May 3, 4:49 PM MDTSpecial Weather StatementGLD26 min
May 3, 5:14 PM MDTSevere Thunderstorm WarningGLD31 min
May 3, 5:42 PM MDTSevere Thunderstorm WarningGLD33 min
May 3, 7:05 PM MDTSpecial Weather StatementGLD25 min
May 3, 7:18 PM MDTSpecial Weather StatementGLD27 min
May 3, 7:30 PM MDTSpecial Weather StatementGLD15 min
May 3, 7:33 PM MDTSevere Thunderstorm WarningGLD42 min
May 3, 8:32 PM MDTSevere Thunderstorm WarningGLD28 min
May 3, 8:59 PM MDTSevere Thunderstorm WarningGLD31 min
May 3, 8:59 PM MDTMesoscale DiscussionSPC2 hr
May 3, 9:25 PM MDTSpecial Weather StatementGLD35 min
May 3, 9:32 PM MDTSevere Thunderstorm WarningGLD28 min
May 3, 11:33 PM MDTSpecial Weather StatementGLD27 min
May 4, 12:04 AM MDTSevere Thunderstorm WarningGLD41 min
May 4, 12:35 AM MDTSevere Thunderstorm WarningGLD55 min
May 4, 12:39 AM MDTMesoscale DiscussionSPC3 hr
May 5, 2:08 PM MDTFrost AdvisoryGLD19 hr
May 9, 2:52 AM MDTFrost AdvisoryGLD29 hr
May 9, 2:52 AM MDTFreeze WatchGLD8 hr
May 11, 10:50 PM MDTDense Fog AdvisoryGLD11 hr
May 12, 5:45 PM MDTDense Fog AdvisoryGLD15 hr
May 15, 2:15 PM MDTMesoscale DiscussionSPC90 min
May 15, 2:49 PM MDTSpecial Weather StatementGLD41 min
May 15, 3:30 PM MDTSpecial Weather StatementGLD30 min
May 15, 3:59 PM MDTSpecial Weather StatementGLD31 min
May 15, 6:13 PM MDTSpecial Weather StatementGLD32 min
May 15, 6:35 PM MDTSevere Thunderstorm WarningGLD40 min
May 15, 7:11 PM MDTSevere Thunderstorm WarningGLD49 min
May 15, 7:38 PM MDTSpecial Weather StatementGLD37 min
May 15, 8:57 PM MDTSevere Thunderstorm WarningGLD48 min
May 22, 1:40 PM MDTRed Flag WarningGLD30 hr
May 23, 2:18 PM MDTMesoscale DiscussionSPC117 min
May 23, 2:57 PM MDTMesoscale DiscussionSPC93 min
May 23, 4:40 PM MDTTornado WatchSPC3 hr
May 24, 6:57 PM MDTSpecial Weather StatementGLD48 min
May 24, 7:45 PM MDTSpecial Weather StatementGLD45 min
Jun 1, 4:40 PM MDTSpecial Weather StatementGLD20 min
Jun 1, 6:12 PM MDTSpecial Weather StatementGLD18 min
Jun 2, 3:58 PM MDTMesoscale DiscussionSPC92 min
Jun 3, 1:05 PM MDTMesoscale DiscussionSPC85 min
Jun 3, 2:37 PM MDTSevere Thunderstorm WarningGLD68 min
Jun 3, 3:13 PM MDTSevere Thunderstorm WarningGLD62 min
Jun 3, 4:13 PM MDTSevere Thunderstorm WarningGLD62 min
Jun 3, 4:53 PM MDTSevere Thunderstorm WarningGLD52 min
Jun 3, 5:34 PM MDTSevere Thunderstorm WarningGLD56 min
Jun 4, 3:35 PM MDTSevere Thunderstorm WarningGLD40 min
Jun 4, 4:14 PM MDTSevere Thunderstorm WarningGLD46 min
Jun 4, 4:57 PM MDTSevere Thunderstorm WarningGLD63 min
Jun 5, 2:19 AM MDTFire Weather WatchGLD10 hr
Jun 5, 2:19 AM MDTFire Weather WatchGLD16 hr
Jun 5, 12:28 PM MDTHigh Wind WarningGLD33 hr
Jun 5, 12:37 PM MDTRed Flag WarningGLD31 hr
Jun 5, 6:04 PM MDTRed Flag WarningGLD51 hr
Jun 5, 10:07 PM MDTSpecial Weather StatementGLD38 min
Jun 6, 11:32 AM MDTHigh Wind WarningGLD33 hr
Jun 6, 2:17 PM MDTSpecial Weather StatementGLD43 min
Jun 6, 3:17 PM MDTSpecial Weather StatementGLD13 min
Jun 6, 5:14 PM MDTMesoscale DiscussionSPC2 hr
Jun 6, 6:15 PM MDTSevere Thunderstorm WarningGLD45 min
Jun 6, 6:58 PM MDTSevere Thunderstorm WarningGLD62 min
Jun 7, 3:00 PM MDTDust Storm WarningGLD2 hr
Jun 8, 3:25 AM MDTHigh Wind WarningGLD40 hr
Jun 13, 2:23 AM MDTFire Weather WatchGLD9 hr
Jun 13, 11:44 AM MDTRed Flag WarningGLD32 hr
Jun 14, 2:29 AM MDTFire Weather WatchGLD12 hr
Jun 14, 2:35 PM MDTFire Weather WatchGLD23 hr
Jun 14, 2:35 PM MDTRed Flag WarningGLD29 hr
Jun 14, 5:17 PM MDTSpecial Weather StatementGLD28 min
Jun 14, 5:57 PM MDTSpecial Weather StatementGLD33 min
Jun 15, 1:22 PM MDTFire Weather WatchGLD38 hr
Jun 15, 1:22 PM MDTRed Flag WarningGLD31 hr
Jun 16, 1:56 PM MDTRed Flag WarningGLD30 hr
Jun 19, 5:22 PM MDTSevere Thunderstorm WarningGLD35 min
Jun 21, 7:05 PM MDTSpecial Weather StatementGLD25 min
Jun 25, 1:17 PM MDTSpecial Weather StatementGLD28 min
Jun 25, 2:05 PM MDTSpecial Weather StatementGLD25 min
Jun 25, 2:41 PM MDTSpecial Weather StatementGLD19 min
Jun 25, 3:03 PM MDTSpecial Weather StatementGLD27 min
Jun 26, 12:07 PM MDTMesoscale DiscussionSPC113 min
Jun 26, 1:12 PM MDTSevere Thunderstorm WatchSPC10 hr
Jun 26, 3:51 PM MDTMesoscale DiscussionSPC84 min
Jun 26, 6:39 PM MDTSpecial Weather StatementGLD51 min
Jun 26, 6:55 PM MDTSpecial Weather StatementGLD65 min
Jun 26, 7:21 PM MDTSpecial Weather StatementGLD39 min
Jun 26, 7:25 PM MDTSevere Thunderstorm WarningGLD65 min
Jun 26, 7:51 PM MDTSevere Thunderstorm WarningGLD54 min
Jun 26, 8:14 PM MDTSevere Thunderstorm WarningGLD76 min
Jun 27, 6:22 PM MDTSpecial Weather StatementGLD23 min
Jun 27, 6:56 PM MDTSpecial Weather StatementGLD34 min
Jun 28, 1:31 PM MDTRed Flag WarningGLD30 hr
Jun 28, 7:41 PM MDTSpecial Weather StatementGLD49 min
Jun 28, 8:22 PM MDTSpecial Weather StatementGLD53 min
Jul 2, 4:05 AM MDTDense Fog AdvisoryGLD5 hr
Jul 2, 1:44 PM MDTMesoscale DiscussionSPC91 min
Jul 2, 1:58 PM MDTSevere Thunderstorm WatchSPC6 hr
Jul 2, 2:36 PM MDTSevere Thunderstorm WarningGLD54 min
Jul 2, 3:26 PM MDTSevere Thunderstorm WarningGLD64 min
Jul 2, 3:46 PM MDTSevere Thunderstorm WarningGLD29 min
Jul 2, 4:53 PM MDTMesoscale DiscussionSPC2 hr
Jul 3, 8:01 PM MDTSpecial Weather StatementGLD14 min
Jul 3, 8:19 PM MDTFlash Flood WarningGLD58 min
Jul 3, 8:20 PM MDTSevere Thunderstorm WarningGLD19 min
Jul 6, 2:06 PM MDTRed Flag WarningGLD29 hr
Jul 7, 5:17 PM MDTSpecial Weather StatementGLD13 min
Jul 7, 5:33 PM MDTSpecial Weather StatementGLD27 min
Jul 7, 6:45 PM MDTSpecial Weather StatementGLD30 min
Jul 7, 7:13 PM MDTSpecial Weather StatementGLD32 min
Jul 7, 7:49 PM MDTSevere Thunderstorm WarningGLD43 min
Jul 7, 8:00 PM MDTSevere Thunderstorm WarningGLD60 min
Jul 10, 2:14 PM MDTMesoscale DiscussionSPC2 hr
Jul 12, 2:07 PM MDTSevere Thunderstorm WatchSPC7 hr
Jul 12, 3:06 PM MDTSevere Thunderstorm WarningGLD54 min
Jul 12, 3:58 PM MDTSevere Thunderstorm WarningGLD62 min
Jul 12, 4:19 PM MDTSpecial Weather StatementGLD26 min
Jul 12, 4:27 PM MDTSevere Thunderstorm WarningGLD33 min
Jul 12, 4:39 PM MDTSevere Thunderstorm WarningGLD21 min
Jul 12, 4:59 PM MDTSevere Thunderstorm WarningGLD46 min
Jul 13, 2:08 PM MDTMesoscale DiscussionSPC2 hr
Jul 13, 2:36 PM MDTSevere Thunderstorm WatchSPC9 hr
Jul 13, 4:54 PM MDTSpecial Weather StatementGLD21 min
Jul 13, 5:02 PM MDTSevere Thunderstorm WarningGLD58 min
Jul 13, 5:15 PM MDTSpecial Weather StatementGLD15 min
Jul 13, 5:29 PM MDTSevere Thunderstorm WarningGLD76 min
Jul 13, 5:41 PM MDTMesoscale DiscussionSPC2 hr
Jul 13, 5:42 PM MDTSpecial Weather StatementGLD18 min
Jul 13, 5:59 PM MDTSevere Thunderstorm WarningGLD30 min
Jul 13, 6:39 PM MDTSpecial Weather StatementGLD21 min
Jul 13, 6:50 PM MDTSpecial Weather StatementGLD25 min
Jul 13, 6:52 PM MDTSevere Thunderstorm WarningGLD53 min
Jul 13, 7:12 PM MDTSpecial Weather StatementGLD33 min
Jul 13, 7:20 PM MDTSpecial Weather StatementGLD25 min
Jul 13, 7:40 PM MDTSevere Thunderstorm WarningGLD80 min
Jul 14, 12:53 PM MDTMesoscale DiscussionSPC97 min
Jul 14, 6:28 PM MDTDense Fog AdvisoryGLD8 hr
Jul 16, 3:49 PM MDTSpecial Weather StatementGLD56 min
Jul 16, 4:17 PM MDTSpecial Weather StatementGLD58 min
Jul 16, 4:42 PM MDTSpecial Weather StatementGLD48 min
Jul 16, 5:13 PM MDTSpecial Weather StatementGLD62 min
Jul 16, 5:30 PM MDTSpecial Weather StatementGLD60 min
Jul 16, 6:02 PM MDTSpecial Weather StatementGLD58 min
Jul 16, 6:56 PM MDTSpecial Weather StatementGLD49 min
Jul 19, 2:50 PM MDTMesoscale DiscussionSPC115 min
Jul 19, 4:06 PM MDTSevere Thunderstorm WatchSPC7 hr
Jul 19, 6:20 PM MDTSevere Thunderstorm WarningGLD85 min
Jul 19, 6:48 PM MDTMesoscale DiscussionSPC117 min
Jul 21, 1:12 PM MDTMesoscale DiscussionSPC93 min
Jul 21, 9:55 PM MDTSpecial Weather StatementGLD65 min
Jul 21, 10:02 PM MDTSevere Thunderstorm WarningGLD58 min
Jul 21, 11:00 PM MDTSpecial Weather StatementGLD60 min
Jul 23, 4:45 PM MDTSpecial Weather StatementGLD60 min
Jul 23, 7:08 PM MDTSpecial Weather StatementGLD52 min
Jul 23, 8:56 PM MDTFlash Flood WarningGLD3 hr
Jul 23, 9:18 PM MDTSpecial Weather StatementGLD42 min
Jul 23, 10:59 PM MDTFlash Flood WarningGLD6 hr
Jul 24, 5:44 AM MDTAreal Flood WarningGLD12 hr
Jul 24, 10:41 AM MDTFlash Flood WatchGLD37 hr
Jul 25, 1:44 PM MDTSpecial Weather StatementGLD16 min
Jul 25, 2:42 PM MDTSpecial Weather StatementGLD18 min
Jul 25, 3:03 PM MDTSpecial Weather StatementGLD57 min
Jul 25, 5:19 PM MDTMesoscale DiscussionSPC86 min
Jul 25, 5:30 PM MDTSpecial Weather StatementGLD15 min
Jul 25, 5:50 PM MDTSpecial Weather StatementGLD25 min
Jul 25, 6:38 PM MDTSpecial Weather StatementGLD37 min
Jul 28, 5:43 PM MDTSpecial Weather StatementGLD32 min
Jul 29, 2:09 PM MDTSevere Thunderstorm WatchSPC7 hr
Jul 29, 6:59 PM MDTSpecial Weather StatementGLD16 min
Jul 29, 7:07 PM MDTSevere Thunderstorm WarningGLD53 min
Jul 29, 7:56 PM MDTSpecial Weather StatementGLD34 min
Aug 3, 4:47 AM MDTSpecial Weather StatementGLD28 min
Aug 4, 12:52 PM MDTMesoscale DiscussionSPC113 min
Aug 4, 1:46 PM MDTSevere Thunderstorm WatchSPC7 hr
Aug 4, 4:16 PM MDTMesoscale DiscussionSPC119 min
Aug 5, 12:27 PM MDTMesoscale DiscussionSPC2 hr
Aug 5, 1:26 PM MDTSevere Thunderstorm WatchSPC8 hr
Aug 5, 5:45 PM MDTSevere Thunderstorm WarningGLD60 min
Aug 5, 6:12 PM MDTMesoscale DiscussionSPC93 min
Aug 5, 6:30 PM MDTSevere Thunderstorm WarningGLD75 min
Aug 6, 12:45 PM MDTMesoscale DiscussionSPC2 hr
Aug 6, 5:13 PM MDTMesoscale DiscussionSPC2 hr
Aug 11, 7:05 AM MDTDense Fog AdvisoryGLD97 min
Aug 11, 1:17 PM MDTMesoscale DiscussionSPC118 min
Aug 11, 2:25 PM MDTSpecial Weather StatementGLD35 min
Aug 11, 2:43 PM MDTSevere Thunderstorm WarningGLD62 min
Aug 11, 3:20 PM MDTSpecial Weather StatementGLD25 min
Aug 11, 3:40 PM MDTSevere Thunderstorm WarningGLD65 min
Aug 11, 4:38 PM MDTSevere Thunderstorm WarningGLD97 min
Aug 16, 12:56 PM MDTMesoscale DiscussionSPC2 hr
Aug 16, 1:45 PM MDTSevere Thunderstorm WatchSPC8 hr
Aug 16, 2:12 PM MDTSevere Thunderstorm WarningGLD48 min
Aug 16, 2:56 PM MDTSevere Thunderstorm WarningGLD64 min
Aug 16, 4:14 PM MDTSpecial Weather StatementGLD16 min
Aug 16, 4:28 PM MDTSevere Thunderstorm WarningGLD32 min
Aug 16, 4:54 PM MDTSevere Thunderstorm WarningGLD96 min
Aug 16, 5:47 PM MDTMesoscale DiscussionSPC88 min
Aug 29, 2:02 PM MDTRed Flag WarningGLD28 hr
Aug 29, 4:57 PM MDTSpecial Weather StatementGLD33 min
Aug 29, 5:29 PM MDTSpecial Weather StatementGLD16 min
Aug 29, 5:43 PM MDTSpecial Weather StatementGLD32 min
Aug 29, 6:14 PM MDTSpecial Weather StatementGLD16 min
Sep 4, 1:08 PM MDTRed Flag WarningGLD30 hr
Sep 4, 1:16 PM MDTFire Weather WatchGLD23 hr
Sep 5, 12:01 PM MDTRed Flag WarningGLD30 hr
Sep 7, 2:48 PM MDTFreeze WarningGLD44 hr
Sep 19, 2:04 AM MDTRed Flag WarningGLD17 hr
Sep 26, 2:14 AM MDTRed Flag WarningGLD16 hr
Sep 29, 2:27 AM MDTRed Flag WarningGLD16 hr
Oct 1, 2:50 AM MDTFrost AdvisoryGLD29 hr
Oct 3, 6:37 PM MDTFrost AdvisoryGLD13 hr
Oct 4, 2:26 AM MDTRed Flag WarningGLD40 hr
Oct 7, 1:21 PM MDTRed Flag WarningGLD29 hr
Oct 9, 2:36 AM MDTFire Weather WatchGLD23 hr
Oct 9, 1:31 PM MDTRed Flag WarningGLD29 hr
Oct 9, 1:41 PM MDTFire Weather WatchGLD12 hr
Oct 10, 1:34 AM MDTRed Flag WarningGLD40 hr
Oct 11, 2:38 AM MDTFire Weather WatchGLD11 hr
Oct 11, 2:44 AM MDTFrost AdvisoryGLD29 hr
Oct 11, 2:44 AM MDTFreeze WatchGLD11 hr
Oct 11, 1:57 PM MDTRed Flag WarningGLD28 hr
Oct 11, 3:23 PM MDTBlowing Dust WarningGLD4 hr
Oct 11, 3:27 PM MDTHigh Wind WarningGLD6 hr
Oct 13, 1:56 PM MDTRed Flag WarningGLD25 hr
Oct 14, 2:52 AM MDTFreeze WatchGLD13 hr
Oct 14, 3:25 PM MDTFreeze WarningGLD17 hr
Oct 15, 2:52 AM MDTFreeze WarningGLD30 hr
Oct 17, 3:11 AM MDTFreeze WatchGLD23 hr
Oct 18, 2:39 AM MDTFrost AdvisoryGLD30 hr
Oct 23, 3:00 PM MDTWinter Storm WatchGLD24 hr
Oct 24, 2:45 AM MDTWinter Weather AdvisoryGLD63 hr
Oct 26, 8:40 PM MDTWind Chill AdvisoryGLD11 hr
Nov 4, 7:45 AM MSTRed Flag WarningGLD9 hr
Nov 5, 2:21 AM MSTFire Weather WatchGLD12 hr
Nov 5, 1:58 PM MSTRed Flag WarningGLD27 hr
Nov 6, 2:23 AM MSTHigh Wind WatchGLD24 hr
Nov 7, 1:57 AM MSTHigh Wind WarningGLD33 hr
Nov 8, 2:59 AM MSTRed Flag WarningGLD14 hr
Nov 9, 7:10 PM MSTWinter Weather AdvisoryGLD11 hr
Nov 13, 2:20 AM MSTHigh Wind WatchGLD9 hr
Nov 13, 2:25 AM MSTFire Weather WatchGLD9 hr
Nov 13, 10:57 AM MSTHigh Wind WarningGLD30 hr
Nov 13, 10:59 AM MSTRed Flag WarningGLD30 hr
Nov 15, 1:30 AM MSTRed Flag WarningGLD15 hr
Dec 21, 7:47 PM MSTHigh Wind WatchGLD18 hr
Dec 22, 3:29 AM MSTHigh Wind WarningGLD37 hr
Dec 27, 2:00 PM MSTWinter Weather AdvisoryGLD49 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20192021

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.