Alert archive / Arizona / Gila County

Weather alerts in Gila County, Arizona, 2019

273 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Gila County and its neighbors

Each county as a circle sized by its count in 2019. Tap one for its archive.

Alerts
273
Warnings
115
Watches
36
Advisories
57
Busiest month
August64 alerts
Busiest day
July 23, 201913 alerts

Over time

By month

Warning verification

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

Gila County, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings32391%743%30 min
Flash flood warnings461372%1080%63 min

Each office's whole area, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Phoenix, AZ: tornado warnings3167%714%0 min
NWS Phoenix, AZ: severe thunderstorm warnings802470%7368%16 min
NWS Phoenix, AZ: flash flood warnings1236150%11583%86 min
NWS Flagstaff, AZ: tornado warnings010%
NWS Flagstaff, AZ: severe thunderstorm warnings55591%1155%10 min
NWS Flagstaff, AZ: flash flood warnings751975%3770%102 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 7, 3:45 AM MSTDense Fog AdvisoryPSR5 hr
Jan 15, 6:46 PM MSTAreal Flood AdvisoryPSR3 hr
Feb 3, 2:55 PM MSTFlash Flood WarningFGZ6 hr
Feb 4, 2:25 PM MSTFlash Flood WatchFGZ22 hr
Feb 5, 4:08 AM MSTHard Freeze WatchPSR24 hr
Feb 5, 11:54 AM MSTFlash Flood WatchPSR16 hr
Feb 6, 12:20 AM MSTAreal Flood AdvisoryFGZ6 hr
Feb 6, 3:38 AM MSTHard Freeze WarningPSR29 hr
Feb 6, 11:22 AM MSTAreal Flood WarningPSR9 hr
Feb 12, 2:27 PM MSTFlood WatchPSR69 hr
Feb 13, 2:21 PM MSTFlood WatchFGZ46 hr
Feb 14, 9:12 PM MSTAreal Flood AdvisoryPSR3 hr
Feb 14, 9:28 PM MSTAreal Flood WarningPSR12 hr
Feb 14, 9:55 PM MSTFlash Flood WarningPSR3 hr
Feb 15, 5:16 AM MSTFlash Flood WarningFGZ6 hr
Feb 15, 5:37 AM MSTFlash Flood WarningFGZ6 hr
Feb 15, 9:17 AM MSTAreal Flood WarningPSR12 hr
Feb 15, 11:36 AM MSTAreal Flood WarningFGZ11 hr
Feb 15, 9:26 PM MSTAreal Flood WarningPSR36 hr
Feb 16, 2:32 AM MSTWinter Storm WarningFGZ68 hr
Feb 16, 3:49 AM MSTWinter Storm WarningPSR62 hr
Feb 16, 3:49 AM MSTWinter Weather AdvisoryPSR62 hr
Feb 17, 1:31 PM MSTFreeze WatchPSR38 hr
Feb 18, 4:01 AM MSTHard Freeze WatchPSR24 hr
Feb 19, 2:50 AM MSTWinter Storm WatchFGZ24 hr
Feb 19, 3:48 AM MSTWinter Storm WatchPSR24 hr
Feb 19, 3:55 AM MSTHard Freeze WarningPSR29 hr
Feb 20, 3:03 AM MSTWinter Storm WarningFGZ65 hr
Feb 20, 3:31 AM MSTWinter Storm WarningPSR64 hr
Feb 20, 3:31 AM MSTWinter Weather AdvisoryPSR55 hr
Feb 25, 1:01 PM MSTAreal Flood WarningPSR8 days
Mar 6, 12:55 AM MSTAreal Flood WarningPSR60 hr
Mar 11, 3:31 AM MSTWinter Weather AdvisoryFGZ61 hr
Mar 12, 3:23 AM MSTWinter Weather AdvisoryPSR37 hr
Mar 12, 5:19 PM MSTWind AdvisoryPSR25 hr
Mar 12, 5:31 PM MSTAreal Flood WarningPSR7 days
Mar 13, 6:56 PM MSTAreal Flood WarningPSR11 hr
Apr 8, 2:21 AM MSTWind AdvisoryPSR65 hr
Apr 9, 4:42 AM MSTFire Weather WatchPSR9 hr
Apr 9, 1:26 PM MSTRed Flag WarningPSR30 hr
May 8, 12:02 PM MSTSevere Thunderstorm WarningFGZ43 min
May 8, 12:36 PM MSTSevere Thunderstorm WarningFGZ39 min
May 13, 4:39 PM MSTSpecial Weather StatementPSR51 min
May 13, 6:01 PM MSTAreal Flood AdvisoryPSR3 hr
May 13, 6:11 PM MSTSpecial Weather StatementPSR49 min
May 13, 6:28 PM MSTFlash Flood WarningPSR4 hr
May 13, 6:57 PM MSTSpecial Weather StatementPSR48 min
May 14, 4:22 PM MSTWind AdvisoryPSR67 hr
May 15, 2:28 PM MSTWind AdvisoryFGZ31 hr
May 18, 3:52 AM MSTWind AdvisoryPSR4 days
May 18, 5:03 AM MSTWind AdvisoryFGZ37 hr
May 20, 11:22 AM MSTSevere Thunderstorm WarningFGZ23 min
Jun 7, 3:31 AM MSTExcessive Heat WatchPSR71 hr
Jun 10, 2:10 AM MSTExcessive Heat WarningPSR4 days
Jul 7, 11:31 AM MSTSpecial Weather StatementPSR44 min
Jul 7, 11:36 AM MSTFlash Flood WarningPSR4 hr
Jul 7, 12:15 PM MSTAreal Flood AdvisoryPSR3 hr
Jul 7, 1:39 PM MSTAreal Flood AdvisoryPSR3 hr
Jul 7, 3:05 PM MSTSpecial Weather StatementPSR25 min
Jul 7, 3:21 PM MSTAreal Flood AdvisoryPSR114 min
Jul 8, 2:37 AM MSTExcessive Heat WatchPSR35 hr
Jul 9, 1:19 PM MSTExcessive Heat WarningPSR7 days
Jul 13, 3:47 PM MSTSpecial Weather StatementPSR28 min
Jul 13, 3:57 PM MSTAreal Flood AdvisoryPSR2 hr
Jul 14, 2:49 PM MSTFlash Flood WarningFGZ99 min
Jul 14, 3:48 PM MSTAreal Flood AdvisoryFGZ117 min
Jul 14, 5:07 PM MSTAreal Flood AdvisoryPSR3 hr
Jul 15, 2:14 PM MSTSpecial Weather StatementPSR46 min
Jul 15, 2:38 PM MSTAreal Flood AdvisoryPSR3 hr
Jul 15, 6:32 PM MSTAreal Flood AdvisoryFGZ3 hr
Jul 22, 2:44 PM MSTSpecial Weather StatementFGZ46 min
Jul 22, 3:22 PM MSTMesoscale DiscussionSPC113 min
Jul 22, 4:18 PM MSTSevere Thunderstorm WarningFGZ27 min
Jul 22, 4:40 PM MSTFlash Flood WarningFGZ3 hr
Jul 22, 5:11 PM MSTSevere Thunderstorm WarningFGZ34 min
Jul 22, 5:13 PM MSTSpecial Weather StatementPSR47 min
Jul 22, 5:52 PM MSTSevere Thunderstorm WarningPSR23 min
Jul 22, 6:25 PM MSTMesoscale DiscussionSPC95 min
Jul 22, 6:27 PM MSTSevere Thunderstorm WarningPSR41 min
Jul 22, 6:28 PM MSTFlash Flood WarningPSR4 hr
Jul 23, 11:33 AM MSTFlash Flood WatchPSR9 hr
Jul 23, 2:21 PM MSTSpecial Weather StatementPSR39 min
Jul 23, 3:03 PM MSTSpecial Weather StatementPSR42 min
Jul 23, 3:39 PM MSTFlash Flood WarningPSR6 hr
Jul 23, 3:49 PM MSTSpecial Weather StatementPSR41 min
Jul 23, 4:27 PM MSTFlash Flood WarningPSR5 hr
Jul 23, 4:59 PM MSTFlash Flood WarningPSR4 hr
Jul 23, 5:05 PM MSTSpecial Weather StatementPSR40 min
Jul 23, 5:11 PM MSTSevere Thunderstorm WarningPSR37 min
Jul 23, 5:36 PM MSTFlash Flood WarningPSR4 hr
Jul 23, 5:44 PM MSTSevere Thunderstorm WarningPSR31 min
Jul 24, 4:55 PM MSTSpecial Weather StatementPSR50 min
Jul 24, 5:23 PM MSTAreal Flood AdvisoryPSR3 hr
Jul 24, 5:51 PM MSTFlash Flood WarningPSR3 hr
Jul 24, 6:19 PM MSTSpecial Weather StatementPSR41 min
Jul 25, 12:28 PM MSTSpecial Weather StatementPSR32 min
Jul 25, 2:57 PM MSTSpecial Weather StatementPSR33 min
Jul 25, 3:25 PM MSTFlash Flood WarningPSR4 hr
Jul 26, 3:16 PM MSTSevere Thunderstorm WarningPSR29 min
Jul 26, 3:20 PM MSTAreal Flood AdvisoryPSR3 hr
Jul 26, 3:40 PM MSTFlash Flood WarningFGZ3 hr
Jul 26, 5:51 PM MSTFlash Flood WarningPSR4 hr
Jul 26, 6:15 PM MSTSpecial Weather StatementPSR45 min
Jul 29, 4:49 PM MSTAreal Flood AdvisoryFGZ3 hr
Jul 29, 6:09 PM MSTAreal Flood AdvisoryPSR3 hr
Jul 30, 3:34 AM MSTFlash Flood WatchPSR28 hr
Jul 30, 9:23 PM MSTAreal Flood AdvisoryPSR3 hr
Aug 1, 3:42 PM MSTFlash Flood WarningFGZ3 hr
Aug 2, 12:55 PM MSTExcessive Heat WarningPSR3 days
Aug 2, 1:26 PM MSTSpecial Weather StatementPSR49 min
Aug 2, 3:49 PM MSTFlash Flood WarningFGZ3 hr
Aug 2, 4:50 PM MSTSevere Thunderstorm WarningFGZ40 min
Aug 2, 4:54 PM MSTFlash Flood WarningFGZ3 hr
Aug 2, 5:57 PM MSTSpecial Weather StatementPSR48 min
Aug 2, 6:42 PM MSTSpecial Weather StatementPSR33 min
Aug 3, 12:28 PM MSTSpecial Weather StatementPSR47 min
Aug 3, 12:55 PM MSTFlash Flood WarningPSR4 hr
Aug 3, 2:39 PM MSTSevere Thunderstorm WarningPSR36 min
Aug 3, 3:09 PM MSTFlash Flood WarningPSR4 hr
Aug 3, 4:19 PM MSTFlash Flood WarningFGZ3 hr
Aug 3, 4:29 PM MSTFlash Flood WarningFGZ3 hr
Aug 3, 5:24 PM MSTFlash Flood WarningFGZ3 hr
Aug 3, 11:37 PM MSTFlash Flood WarningFGZ3 hr
Aug 3, 11:37 PM MSTAreal Flood AdvisoryPSR9 hr
Aug 4, 1:09 PM MSTSpecial Weather StatementPSR51 min
Aug 4, 1:51 PM MSTSpecial Weather StatementPSR39 min
Aug 4, 2:45 PM MSTSpecial Weather StatementPSR45 min
Aug 5, 1:53 PM MSTFlash Flood WarningFGZ3 hr
Aug 5, 1:58 PM MSTSevere Thunderstorm WarningFGZ47 min
Aug 5, 2:37 PM MSTSpecial Weather StatementPSR23 min
Aug 5, 2:48 PM MSTSpecial Weather StatementPSR27 min
Aug 5, 3:21 PM MSTAreal Flood AdvisoryPSR3 hr
Aug 5, 3:38 PM MSTAreal Flood AdvisoryPSR3 hr
Aug 5, 4:10 PM MSTAreal Flood AdvisoryPSR2 hr
Aug 5, 4:30 PM MSTAreal Flood AdvisoryPSR2 hr
Aug 7, 1:36 PM MSTSpecial Weather StatementPSR39 min
Aug 7, 2:02 PM MSTAreal Flood AdvisoryPSR3 hr
Aug 7, 6:49 PM MSTSpecial Weather StatementFGZ26 min
Aug 7, 7:44 PM MSTFlash Flood WarningFGZ2 hr
Aug 9, 2:52 PM MSTFlash Flood WatchPSR38 hr
Aug 9, 3:41 PM MSTFlash Flood WatchFGZ37 hr
Aug 10, 3:20 PM MSTSpecial Weather StatementFGZ40 min
Aug 10, 3:36 PM MSTSevere Thunderstorm WarningFGZ24 min
Aug 10, 4:05 PM MSTFlash Flood WarningFGZ3 hr
Aug 10, 4:20 PM MSTFlash Flood WarningPSR4 hr
Aug 10, 7:20 PM MSTAreal Flood AdvisoryPSR4 hr
Aug 11, 12:41 AM MSTAreal Flood AdvisoryPSR3 hr
Aug 11, 2:45 AM MSTExcessive Heat WatchPSR36 hr
Aug 11, 4:44 AM MSTAreal Flood AdvisoryPSR2 hr
Aug 12, 2:17 PM MSTExcessive Heat WarningPSR4 days
Aug 16, 1:06 PM MSTExcessive Heat WarningPSR5 days
Aug 25, 2:16 PM MSTExcessive Heat WatchPSR24 hr
Aug 26, 2:15 PM MSTExcessive Heat WarningPSR54 hr
Aug 27, 2:16 PM MSTExcessive Heat WarningPSR4 days
Aug 27, 4:10 PM MSTSevere Thunderstorm WarningFGZ50 min
Aug 27, 5:05 PM MSTFlash Flood WarningFGZ3 hr
Aug 27, 5:24 PM MSTSpecial Weather StatementPSR36 min
Aug 27, 6:49 PM MSTSevere Thunderstorm WarningFGZ26 min
Aug 27, 6:49 PM MSTAreal Flood AdvisoryPSR116 min
Aug 28, 4:19 PM MSTSevere Thunderstorm WarningFGZ41 min
Aug 28, 4:24 PM MSTSpecial Weather StatementPSR51 min
Aug 28, 4:37 PM MSTSpecial Weather StatementPSR53 min
Aug 28, 5:14 PM MSTSpecial Weather StatementPSR46 min
Aug 28, 6:00 PM MSTSpecial Weather StatementPSR30 min
Aug 28, 8:35 PM MSTFlash Flood WarningFGZ3 hr
Aug 29, 3:18 PM MSTFlash Flood WarningFGZ3 hr
Aug 29, 4:33 PM MSTSevere Thunderstorm WarningFGZ27 min
Aug 29, 4:54 PM MSTSevere Thunderstorm WarningFGZ36 min
Aug 30, 2:08 PM MSTSpecial Weather StatementFGZ37 min
Aug 30, 3:08 PM MSTSpecial Weather StatementPSR52 min
Aug 30, 3:16 PM MSTSpecial Weather StatementFGZ44 min
Sep 1, 1:20 PM MSTSpecial Weather StatementPSR40 min
Sep 1, 1:27 PM MSTSevere Thunderstorm WarningPSR48 min
Sep 1, 1:34 PM MSTMesoscale DiscussionSPC116 min
Sep 1, 2:16 PM MSTSpecial Weather StatementPSR44 min
Sep 1, 2:22 PM MSTSevere Thunderstorm WarningFGZ23 min
Sep 1, 2:34 PM MSTFlash Flood WarningFGZ3 hr
Sep 1, 3:02 PM MSTSevere Thunderstorm WarningFGZ18 min
Sep 1, 3:24 PM MSTAreal Flood AdvisoryFGZ3 hr
Sep 1, 3:31 PM MSTSevere Thunderstorm WarningPSR44 min
Sep 1, 3:37 PM MSTSevere Thunderstorm WatchSPC7 hr
Sep 1, 3:40 PM MSTSpecial Weather StatementFGZ50 min
Sep 1, 3:59 PM MSTSevere Thunderstorm WarningFGZ46 min
Sep 1, 4:27 PM MSTFlash Flood WarningPSR2 hr
Sep 2, 3:11 AM MSTExcessive Heat WatchPSR24 hr
Sep 3, 3:08 AM MSTExcessive Heat WarningPSR41 hr
Sep 6, 2:52 PM MSTSpecial Weather StatementPSR38 min
Sep 7, 12:33 PM MSTFlash Flood WarningFGZ77 min
Sep 7, 1:52 PM MSTSevere Thunderstorm WarningFGZ23 min
Sep 7, 5:50 PM MSTSpecial Weather StatementPSR40 min
Sep 7, 6:13 PM MSTSevere Thunderstorm WarningPSR32 min
Sep 7, 6:21 PM MSTSpecial Weather StatementPSR39 min
Sep 7, 6:28 PM MSTSevere Thunderstorm WarningPSR32 min
Sep 7, 7:08 PM MSTSpecial Weather StatementPSR67 min
Sep 7, 8:21 PM MSTSpecial Weather StatementPSR39 min
Sep 7, 9:12 PM MSTAreal Flood AdvisoryPSR3 hr
Sep 10, 3:47 AM MSTSpecial Weather StatementPSR28 min
Sep 10, 4:20 AM MSTAreal Flood AdvisoryPSR3 hr
Sep 10, 5:35 AM MSTFlash Flood WarningPSR4 hr
Sep 10, 5:38 AM MSTSpecial Weather StatementPSR52 min
Sep 10, 6:01 AM MSTAreal Flood AdvisoryPSR3 hr
Sep 10, 6:27 AM MSTAreal Flood AdvisoryPSR3 hr
Sep 10, 11:03 AM MSTAreal Flood AdvisoryPSR4 hr
Sep 14, 1:21 PM MSTMesoscale DiscussionSPC114 min
Sep 14, 1:45 PM MSTSpecial Weather StatementPSR45 min
Sep 14, 1:49 PM MSTSpecial Weather StatementFGZ26 min
Sep 14, 2:25 PM MSTSevere Thunderstorm WarningFGZ35 min
Sep 14, 2:44 PM MSTSevere Thunderstorm WatchSPC6 hr
Sep 14, 4:05 PM MSTSevere Thunderstorm WarningPSR25 min
Sep 16, 2:00 PM MSTSpecial Weather StatementPSR30 min
Sep 16, 3:25 PM MSTAreal Flood AdvisoryPSR3 hr
Sep 23, 2:32 AM MSTFlash Flood WatchPSR32 hr
Sep 23, 3:19 AM MSTFlash Flood WatchFGZ24 hr
Sep 23, 6:09 AM MSTFlash Flood WarningPSR4 hr
Sep 23, 6:52 AM MSTFlash Flood WarningPSR4 hr
Sep 23, 7:27 AM MSTFlash Flood WarningPSR4 hr
Sep 23, 9:52 AM MSTSevere Thunderstorm WatchSPC10 hr
Sep 23, 11:37 AM MSTMesoscale DiscussionSPC83 min
Sep 23, 2:37 PM MSTAreal Flood AdvisoryFGZ33 min
Sep 23, 2:43 PM MSTSevere Thunderstorm WarningPSR32 min
Sep 23, 3:05 PM MSTMesoscale DiscussionSPC115 min
Sep 23, 3:08 PM MSTFlash Flood WarningFGZ5 hr
Sep 23, 3:21 PM MSTSpecial Weather StatementFGZ39 min
Sep 23, 4:31 PM MSTSevere Thunderstorm WarningFGZ29 min
Sep 23, 6:50 PM MSTSpecial Weather StatementPSR40 min
Sep 23, 6:56 PM MSTSevere Thunderstorm WarningPSR19 min
Sep 24, 2:25 PM MSTFlash Flood WatchPSR51 hr
Oct 28, 2:12 PM MSTFreeze WatchPSR11 hr
Oct 28, 2:12 PM MSTFreeze WatchPSR11 hr
Oct 29, 1:20 AM MSTFreeze WarningPSR32 hr
Oct 29, 1:20 AM MSTFreeze WarningPSR56 hr
Nov 6, 2:49 PM MSTMesoscale DiscussionSPC86 min
Nov 18, 12:59 PM MSTFlash Flood WatchPSR58 hr
Nov 18, 2:43 PM MSTFlash Flood WatchFGZ34 hr
Nov 19, 2:42 PM MSTSpecial Weather StatementPSR33 min
Nov 20, 12:25 AM MSTFlash Flood WatchFGZ36 hr
Nov 20, 3:47 AM MSTAreal Flood AdvisoryPSR3 hr
Nov 20, 5:13 AM MSTAreal Flood AdvisoryPSR2 hr
Nov 20, 8:13 AM MSTAreal Flood AdvisoryPSR3 hr
Nov 20, 2:26 PM MSTAreal Flood AdvisoryFGZ3 hr
Nov 20, 2:48 PM MSTFlash Flood WarningFGZ3 hr
Nov 20, 3:19 PM MSTFlash Flood WarningPSR8 hr
Nov 20, 6:49 PM MSTFlash Flood WarningPSR4 hr
Nov 20, 7:04 PM MSTSpecial Weather StatementPSR41 min
Nov 25, 1:28 PM MSTWinter Storm WatchPSR48 hr
Nov 25, 3:49 PM MSTWinter Storm WatchFGZ46 hr
Nov 26, 2:07 PM MSTFlash Flood WatchPSR3 days
Nov 27, 4:02 AM MSTWind AdvisoryPSR60 hr
Nov 27, 4:13 AM MSTWinter Storm WarningPSR68 hr
Nov 27, 1:43 PM MSTWinter Storm WarningFGZ58 hr
Nov 29, 1:06 AM MSTMesoscale DiscussionSPC6 hr
Nov 29, 5:07 AM MSTFlash Flood WarningPSR6 hr
Nov 29, 7:22 AM MSTFlash Flood WarningPSR4 hr
Nov 29, 8:53 AM MSTAreal Flood WarningPSR36 hr
Nov 29, 10:15 AM MSTAreal Flood AdvisoryFGZ6 hr
Nov 29, 11:14 AM MSTAreal Flood WarningPSR3 hr
Nov 30, 3:48 AM MSTFreeze WarningPSR29 hr
Dec 6, 2:53 PM MSTFlash Flood WatchPSR4 days
Dec 8, 7:20 PM MSTAreal Flood WarningPSR33 hr
Dec 9, 8:43 AM MSTSpecial Weather StatementPSR47 min
Dec 9, 9:39 AM MSTSpecial Weather StatementPSR51 min
Dec 9, 11:52 PM MSTAreal Flood AdvisoryPSR9 hr
Dec 16, 12:19 PM MSTFreeze WarningPSR21 hr
Dec 23, 2:39 PM MSTFlood WatchPSR3 days
Dec 25, 11:30 AM MSTAreal Flood WarningPSR36 hr
Dec 26, 2:31 AM MSTWinter Weather AdvisoryFGZ66 hr
Dec 26, 2:34 AM MSTWinter Weather AdvisoryPSR66 hr
Dec 26, 11:18 PM MSTAreal Flood AdvisoryPSR7 min
Dec 26, 11:23 PM MSTAreal Flood WarningPSR60 hr
Dec 27, 2:12 PM MSTFreeze WatchPSR13 hr
Dec 28, 2:43 AM MSTHard Freeze WarningPSR30 hr
Dec 29, 7:48 AM MSTDense Fog AdvisoryPSR72 min
Dec 29, 11:17 AM MSTAreal Flood WarningPSR23 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 archive20182020

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.