Alert archive / Arizona / Yuma County

Weather alerts in Yuma County, Arizona, 2022

267 weather alerts in 2022, 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 2022. Tap one for its archive.

Alerts
267
Warnings
131
Watches
13
Advisories
84
Busiest month
August142 alerts
Busiest day
August 24, 202219 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, 2022

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings491080%1080%31 min
Flash flood warnings471372%989%36 min

Each office's whole area, 2022

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Phoenix, AZ: tornado warnings020%
NWS Phoenix, AZ: severe thunderstorm warnings2837075%16775%17 min
NWS Phoenix, AZ: flash flood warnings34610271%17385%75 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 31, 12:31 PM MSTWind AdvisoryPSR58 hr
Feb 1, 2:46 PM MSTBlowing Dust AdvisoryPSR29 hr
Feb 2, 12:10 PM MSTBlowing Dust WarningPSR4 hr
Feb 2, 12:10 PM MSTBlowing Dust AdvisoryPSR8 hr
Feb 3, 11:45 AM MSTHard Freeze WarningPSR21 hr
Feb 14, 2:27 AM MSTWind AdvisoryPSR44 hr
Mar 8, 12:34 PM MSTBlowing Dust AdvisoryPSR61 hr
Mar 8, 12:34 PM MSTWind AdvisoryPSR61 hr
Mar 19, 2:34 AM MSTBlowing Dust AdvisoryPSR24 hr
Mar 20, 12:58 PM MSTBlowing Dust AdvisoryPSR30 hr
Mar 20, 12:58 PM MSTWind AdvisoryPSR30 hr
Apr 19, 2:19 AM MSTRed Flag WarningPSR18 hr
Apr 21, 1:21 AM MSTWind AdvisoryPSR43 hr
Apr 22, 9:49 AM MSTBlowing Dust AdvisoryPSR9 hr
Jun 6, 1:25 AM MSTExcessive Heat WatchPSR36 hr
Jun 7, 1:31 PM MSTExcessive Heat WarningPSR5 days
Jun 13, 1:08 PM MSTExcessive Heat WatchPSR12 hr
Jun 14, 1:29 AM MSTExcessive Heat WarningPSR67 hr
Jun 22, 8:31 PM MSTDust Storm AdvisoryPSR44 min
Jun 24, 8:37 PM MSTAreal Flood AdvisoryPSR3 hr
Jun 25, 4:43 PM MSTDust Storm AdvisoryPSR62 min
Jun 25, 5:02 PM MSTDust Storm WarningPSR58 min
Jun 25, 6:01 PM MSTSevere Thunderstorm WarningPSR44 min
Jun 25, 6:07 PM MSTDust Storm AdvisoryPSR53 min
Jun 25, 6:34 PM MSTAreal Flood AdvisoryPSR3 hr
Jun 25, 6:40 PM MSTSpecial Weather StatementPSR50 min
Jun 25, 6:51 PM MSTSevere Thunderstorm WarningPSR39 min
Jun 25, 7:03 PM MSTDust Storm AdvisoryPSR57 min
Jun 25, 7:17 PM MSTAreal Flood AdvisoryPSR3 hr
Jun 25, 7:20 PM MSTDust Storm WarningPSR40 min
Jun 25, 7:28 PM MSTSpecial Weather StatementPSR47 min
Jun 25, 7:38 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Jun 25, 7:56 PM MSTSevere Thunderstorm WarningPSR49 min
Jun 25, 8:01 PM MSTDust Storm AdvisoryPSR44 min
Jun 25, 8:27 PM MSTAreal Flood AdvisoryPSR13 min
Jun 25, 8:40 PM MSTFlash Flood Warning Considerable damage threatPSR3 hr
Jun 26, 7:14 PM MSTSevere Thunderstorm WarningPSR46 min
Jun 26, 8:04 PM MSTDust Storm WarningPSR56 min
Jun 26, 8:19 PM MSTSevere Thunderstorm WarningPSR23 min
Jun 26, 8:50 PM MSTDust Storm WarningPSR55 min
Jun 26, 8:59 PM MSTAreal Flood AdvisoryPSR3 hr
Jun 26, 9:44 PM MSTDust Storm AdvisoryPSR61 min
Jun 29, 4:39 PM MSTSpecial Weather StatementPSR51 min
Jun 29, 5:30 PM MSTSpecial Weather StatementPSR60 min
Jun 29, 5:35 PM MSTAreal Flood AdvisoryPSR3 hr
Jun 29, 6:02 PM MSTDust Storm WarningPSR88 min
Jun 29, 6:36 PM MSTAreal Flood AdvisoryPSR119 min
Jun 29, 6:57 PM MSTDust Storm WarningPSR79 min
Jul 8, 2:03 AM MSTExcessive Heat WarningPSR4 days
Jul 20, 2:27 AM MSTExcessive Heat WarningPSR66 hr
Jul 23, 1:46 PM MSTFlood WatchPSR6 days
Jul 24, 7:11 PM MSTDust Storm AdvisoryPSR49 min
Jul 26, 7:06 PM MSTAreal Flood AdvisoryPSR114 min
Jul 30, 2:36 PM MSTAreal Flood AdvisoryPSR3 hr
Jul 30, 2:51 PM MSTSpecial Weather StatementPSR39 min
Jul 30, 3:30 PM MSTAreal Flood AdvisoryPSR3 hr
Jul 30, 3:34 PM MSTAreal Flood AdvisoryPSR3 hr
Jul 31, 2:32 PM MSTAreal Flood AdvisoryPSR3 hr
Aug 8, 8:14 AM MSTSpecial Weather StatementPSR31 min
Aug 8, 4:00 PM MSTDust Storm AdvisoryPSR60 min
Aug 8, 5:36 PM MSTSevere Thunderstorm WarningPSR39 min
Aug 8, 6:19 PM MSTSpecial Weather StatementPSR41 min
Aug 8, 7:04 PM MSTAreal Flood AdvisoryPSR3 hr
Aug 8, 7:50 PM MSTDust Storm AdvisoryPSR85 min
Aug 9, 2:18 AM MSTFlood WatchPSR23 hr
Aug 9, 6:20 PM MSTDust Storm AdvisoryPSR40 min
Aug 10, 3:57 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Aug 10, 4:04 PM MSTSpecial Weather StatementPSR41 min
Aug 10, 4:28 PM MSTAreal Flood AdvisoryPSR3 hr
Aug 10, 4:44 PM MSTSpecial Weather StatementPSR31 min
Aug 10, 4:45 PM MSTSevere Thunderstorm WarningPSR45 min
Aug 10, 5:08 PM MSTSpecial Weather StatementPSR52 min
Aug 10, 5:27 PM MSTAreal Flood AdvisoryPSR3 hr
Aug 10, 5:39 PM MSTAreal Flood AdvisoryPSR3 hr
Aug 10, 5:43 PM MSTAreal Flood AdvisoryPSR3 hr
Aug 10, 5:50 PM MSTSpecial Weather StatementPSR25 min
Aug 10, 5:56 PM MSTSevere Thunderstorm WarningPSR34 min
Aug 10, 6:01 PM MSTSpecial Weather StatementPSR29 min
Aug 10, 6:04 PM MSTDust Storm AdvisoryPSR56 min
Aug 10, 6:23 PM MSTSevere Thunderstorm WarningPSR37 min
Aug 10, 6:29 PM MSTAreal Flood AdvisoryPSR2 hr
Aug 10, 6:37 PM MSTAreal Flood AdvisoryPSR3 hr
Aug 10, 6:53 PM MSTSpecial Weather StatementPSR52 min
Aug 10, 6:54 PM MSTAreal Flood AdvisoryPSR3 hr
Aug 10, 6:56 PM MSTSevere Thunderstorm WarningPSR49 min
Aug 10, 7:08 PM MSTDust Storm AdvisoryPSR67 min
Aug 10, 7:10 PM MSTAreal Flood AdvisoryPSR8 min
Aug 10, 7:18 PM MSTFlash Flood Warning Considerable damage threatPSR3 hr
Aug 10, 7:44 PM MSTAreal Flood AdvisoryPSR2 hr
Aug 12, 8:56 AM MSTFlood WatchPSR62 hr
Aug 12, 10:25 AM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Aug 12, 10:32 AM MSTAreal Flood AdvisoryPSR4 hr
Aug 12, 11:00 AM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Aug 12, 4:06 PM MSTSpecial Weather StatementPSR84 min
Aug 12, 4:30 PM MSTDust Storm AdvisoryPSR2 hr
Aug 12, 4:42 PM MSTDust Storm AdvisoryPSR63 min
Aug 12, 5:14 PM MSTFlash Flood Warning Considerable damage threatPSR6 hr
Aug 12, 5:23 PM MSTDust Storm WarningPSR67 min
Aug 12, 5:25 PM MSTFlash Flood Warning Considerable damage threatPSR52 min
Aug 12, 5:30 PM MSTSevere Thunderstorm WarningPSR45 min
Aug 12, 5:44 PM MSTDust Storm AdvisoryPSR61 min
Aug 13, 4:54 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Aug 13, 5:39 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Aug 13, 5:54 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Aug 13, 6:16 PM MSTSpecial Weather StatementPSR44 min
Aug 13, 6:41 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Aug 13, 8:37 PM MSTSpecial Weather StatementPSR38 min
Aug 13, 9:47 PM MSTFlash Flood Warning Considerable damage threatPSR115 min
Aug 14, 6:30 PM MSTSevere Thunderstorm WarningPSR45 min
Aug 14, 6:35 PM MSTDust Storm WarningPSR55 min
Aug 14, 6:46 PM MSTFlash Flood Warning Considerable damage threatPSR3 hr
Aug 14, 6:53 PM MSTDust Storm WarningPSR67 min
Aug 14, 7:18 PM MSTDust Storm WarningPSR57 min
Aug 14, 7:40 PM MSTFlash Flood Warning Considerable damage threatPSR3 hr
Aug 14, 8:01 PM MSTDust Storm WarningPSR59 min
Aug 14, 8:56 PM MSTSpecial Weather StatementPSR64 min
Aug 14, 9:46 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Aug 16, 12:30 AM MSTSpecial Weather StatementPSR30 min
Aug 16, 3:37 PM MSTDust Storm AdvisoryPSR53 min
Aug 16, 4:32 PM MSTSpecial Weather StatementPSR43 min
Aug 16, 5:09 PM MSTAreal Flood AdvisoryPSR35 min
Aug 16, 5:19 PM MSTSpecial Weather StatementPSR41 min
Aug 16, 5:42 PM MSTSevere Thunderstorm WarningPSR33 min
Aug 16, 5:44 PM MSTFlash Flood Warning Considerable damage threatPSR3 hr
Aug 16, 5:48 PM MSTDust Storm AdvisoryPSR57 min
Aug 16, 5:52 PM MSTAreal Flood AdvisoryPSR2 hr
Aug 17, 12:53 PM MSTFlood WatchPSR3 days
Aug 17, 1:30 PM MSTSpecial Weather StatementPSR45 min
Aug 17, 3:51 PM MSTSpecial Weather StatementPSR39 min
Aug 17, 5:16 PM MSTSevere Thunderstorm WarningPSR29 min
Aug 17, 5:52 PM MSTSevere Thunderstorm WarningPSR23 min
Aug 17, 6:06 PM MSTSevere Thunderstorm WarningPSR24 min
Aug 17, 6:15 PM MSTSevere Thunderstorm WarningPSR45 min
Aug 17, 6:58 PM MSTSevere Thunderstorm WarningPSR32 min
Aug 17, 7:04 PM MSTSevere Thunderstorm WarningPSR41 min
Aug 17, 7:12 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Aug 17, 7:21 PM MSTSpecial Weather StatementPSR39 min
Aug 17, 7:44 PM MSTSevere Thunderstorm WarningPSR46 min
Aug 17, 8:21 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Aug 17, 8:22 PM MSTSpecial Weather StatementPSR38 min
Aug 18, 6:32 PM MSTSevere Thunderstorm WarningPSR43 min
Aug 18, 7:57 PM MSTFlash Flood Warning Considerable damage threatPSR3 hr
Aug 18, 7:58 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Aug 18, 8:32 PM MSTDust Storm WarningPSR88 min
Aug 18, 9:00 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Aug 18, 9:30 PM MSTDust Storm WarningPSR60 min
Aug 18, 9:34 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Aug 18, 10:12 PM MSTSevere Thunderstorm WarningPSR33 min
Aug 19, 6:58 PM MSTSevere Thunderstorm WarningPSR25 min
Aug 19, 7:56 PM MSTDust Storm AdvisoryPSR64 min
Aug 19, 9:18 PM MSTAreal Flood AdvisoryPSR3 hr
Aug 19, 10:07 PM MSTAreal Flood AdvisoryPSR4 hr
Aug 19, 10:08 PM MSTAreal Flood AdvisoryPSR20 min
Aug 19, 10:11 PM MSTDust Storm AdvisoryPSR64 min
Aug 19, 10:19 PM MSTSevere Thunderstorm WarningPSR41 min
Aug 19, 10:28 PM MSTFlash Flood Warning Considerable damage threatPSR6 hr
Aug 19, 10:44 PM MSTAreal Flood AdvisoryPSR3 hr
Aug 19, 10:54 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Aug 19, 11:48 PM MSTAreal Flood AdvisoryPSR3 hr
Aug 20, 12:34 AM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Aug 21, 10:48 PM MSTDust Storm WarningPSR57 min
Aug 21, 11:46 PM MSTDust Storm WarningPSR44 min
Aug 21, 11:57 PM MSTSevere Thunderstorm WarningPSR48 min
Aug 22, 12:30 AM MSTDust Storm WarningPSR60 min
Aug 22, 12:34 AM MSTSevere Thunderstorm Warning Considerable damage threatPSR56 min
Aug 22, 1:24 AM MSTAreal Flood AdvisoryPSR3 hr
Aug 22, 1:27 AM MSTSevere Thunderstorm WarningPSR32 min
Aug 22, 1:46 AM MSTSpecial Weather StatementPSR44 min
Aug 22, 2:47 AM MSTAreal Flood AdvisoryPSR3 hr
Aug 23, 6:47 PM MSTDust Storm AdvisoryPSR58 min
Aug 23, 7:15 PM MSTDust Storm WarningPSR60 min
Aug 23, 7:25 PM MSTSevere Thunderstorm Warning Considerable damage threatPSR50 min
Aug 23, 7:35 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Aug 23, 8:05 PM MSTDust Storm WarningPSR55 min
Aug 23, 8:09 PM MSTAreal Flood AdvisoryPSR17 min
Aug 23, 8:14 PM MSTSevere Thunderstorm WarningPSR46 min
Aug 23, 8:26 PM MSTFlash Flood Warning Considerable damage threatPSR3 hr
Aug 23, 8:33 PM MSTSevere Thunderstorm WarningPSR42 min
Aug 23, 9:00 PM MSTAreal Flood AdvisoryPSR3 hr
Aug 23, 9:06 PM MSTFlash Flood Warning Considerable damage threatPSR3 hr
Aug 23, 9:08 PM MSTSpecial Weather StatementPSR52 min
Aug 23, 9:18 PM MSTSpecial Weather StatementPSR42 min
Aug 23, 9:43 PM MSTDust Storm WarningPSR62 min
Aug 23, 9:59 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Aug 24, 1:01 AM MSTFlood WatchPSR24 hr
Aug 24, 3:09 PM MSTAreal Flood AdvisoryPSR3 hr
Aug 24, 3:27 PM MSTFlash Flood Warning Considerable damage threatPSR3 hr
Aug 24, 3:53 PM MSTAreal Flood AdvisoryPSR2 hr
Aug 24, 5:06 PM MSTFlash Flood Warning Considerable damage threatPSR73 min
Aug 24, 5:23 PM MSTFlash Flood Warning Considerable damage threatPSR64 min
Aug 24, 6:35 PM MSTAreal Flood AdvisoryPSR18 min
Aug 24, 6:52 PM MSTFlash Flood Warning Considerable damage threatPSR3 hr
Aug 24, 6:53 PM MSTSevere Thunderstorm WarningPSR52 min
Aug 25, 12:19 AM MSTSpecial Weather StatementPSR26 min
Aug 25, 12:55 AM MSTSpecial Weather StatementPSR50 min
Aug 25, 12:57 AM MSTAreal Flood AdvisoryPSR3 hr
Aug 25, 3:43 PM MSTDust Storm AdvisoryPSR80 min
Aug 27, 7:18 PM MSTFlash Flood Warning Considerable damage threatPSR3 hr
Aug 28, 12:50 PM MSTExcessive Heat WatchPSR21 hr
Aug 29, 9:54 AM MSTExcessive Heat WarningPSR9 days
Sep 2, 10:16 AM MSTBlowing Dust AdvisoryPSR12 hr
Sep 2, 7:21 PM MSTDust Storm WarningPSR54 min
Sep 2, 8:10 PM MSTDust Storm WarningPSR65 min
Sep 2, 8:16 PM MSTSevere Thunderstorm WarningPSR44 min
Sep 2, 8:55 PM MSTSevere Thunderstorm WarningPSR50 min
Sep 2, 9:07 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Sep 2, 9:19 PM MSTSevere Thunderstorm WarningPSR26 min
Sep 2, 9:24 PM MSTDust Storm WarningPSR32 min
Sep 3, 5:30 PM MSTSevere Thunderstorm WarningPSR30 min
Sep 3, 5:37 PM MSTDust Storm WarningPSR38 min
Sep 3, 5:56 PM MSTSevere Thunderstorm WarningPSR19 min
Sep 3, 6:05 PM MSTDust Storm AdvisoryPSR55 min
Sep 7, 12:51 PM MSTFlood WatchPSR3 days
Sep 8, 2:11 PM MSTWind AdvisoryPSR25 hr
Sep 9, 4:27 PM MSTDust Storm AdvisoryPSR63 min
Sep 21, 4:36 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Sep 21, 4:43 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Sep 21, 5:32 PM MSTSpecial Weather StatementPSR43 min
Sep 21, 5:41 PM MSTFlash Flood Warning Considerable damage threatPSR3 hr
Sep 21, 6:01 PM MSTFlash Flood Warning Considerable damage threatPSR3 hr
Sep 22, 5:19 PM MSTAreal Flood AdvisoryPSR3 hr
Sep 23, 12:15 PM MSTAreal Flood AdvisoryPSR3 hr
Sep 23, 1:26 PM MSTSpecial Weather StatementPSR49 min
Sep 23, 1:38 PM MSTAreal Flood AdvisoryPSR16 min
Sep 23, 1:54 PM MSTFlash Flood Warning Considerable damage threatPSR3 hr
Sep 23, 2:20 PM MSTSevere Thunderstorm WarningPSR40 min
Sep 23, 2:39 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Sep 23, 2:59 PM MSTSpecial Weather StatementPSR46 min
Sep 23, 3:05 PM MSTSevere Thunderstorm WarningPSR40 min
Sep 23, 4:11 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Sep 23, 4:27 PM MSTSevere Thunderstorm WarningPSR33 min
Sep 23, 4:38 PM MSTSevere Thunderstorm WarningPSR37 min
Sep 29, 3:03 PM MSTAreal Flood AdvisoryPSR3 hr
Oct 3, 4:49 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Oct 3, 5:57 PM MSTSpecial Weather StatementPSR48 min
Oct 6, 12:19 PM MSTSpecial Weather StatementPSR41 min
Oct 6, 12:47 PM MSTSpecial Weather StatementPSR43 min
Oct 6, 12:49 PM MSTSevere Thunderstorm WarningPSR41 min
Oct 6, 1:04 PM MSTFlash Flood Warning Considerable damage threatPSR3 hr
Oct 6, 1:05 PM MSTSevere Thunderstorm WarningPSR40 min
Oct 6, 1:22 PM MSTDust Storm AdvisoryPSR68 min
Oct 6, 1:26 PM MSTSpecial Weather StatementPSR49 min
Oct 6, 1:34 PM MSTDust Storm WarningPSR56 min
Oct 6, 1:37 PM MSTSevere Thunderstorm WarningPSR38 min
Oct 6, 1:42 PM MSTSevere Thunderstorm WarningPSR48 min
Oct 6, 1:44 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Oct 6, 2:13 PM MSTSevere Thunderstorm WarningPSR47 min
Oct 6, 2:30 PM MSTSpecial Weather StatementPSR30 min
Oct 6, 2:40 PM MSTDust Storm AdvisoryPSR65 min
Oct 6, 2:50 PM MSTSevere Thunderstorm WarningPSR40 min
Oct 6, 2:59 PM MSTSevere Thunderstorm WarningPSR46 min
Oct 8, 8:05 PM MSTDust Storm AdvisoryPSR55 min
Oct 8, 9:10 PM MSTDust Storm AdvisoryPSR65 min
Oct 14, 1:23 AM MSTFlood WatchPSR58 hr
Oct 15, 11:16 AM MSTSevere Thunderstorm WarningPSR44 min
Oct 15, 11:46 AM MSTMesoscale DiscussionSPC2 hr
Oct 15, 11:58 AM MSTSevere Thunderstorm WarningPSR47 min
Oct 15, 1:03 PM MSTSpecial Weather StatementPSR42 min
Oct 15, 4:35 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Dec 4, 8:12 PM MSTDense Fog AdvisoryPSR14 hr
Dec 12, 1:02 PM MSTFreeze WatchPSR14 hr
Dec 12, 1:02 PM MSTFreeze WatchPSR16 hr
Dec 13, 2:44 AM MSTFreeze WarningPSR30 hr
Dec 13, 4:48 AM MSTFreeze WarningPSR52 hr
Dec 15, 1:43 PM MSTFreeze WatchPSR11 hr
Dec 16, 12:45 AM MSTFreeze WarningPSR32 hr
Dec 31, 1:14 AM MSTDense Fog AdvisoryPSR10 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 archive20212023

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.