Alert archive / Texas / Dallas County

Weather alerts in Dallas County, Texas, 2009

291 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Dallas County and its neighbors

Each county as a circle sized by its count in 2009. Tap one for its archive.

Alerts
291
Warnings
85
Watches
41
Advisories
70
Busiest month
October47 alerts
Busiest day
June 11, 200927 alerts

Over time

By month

Warning verification

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

1 of 2 tornado warnings covering Dallas County in 2009 had a tornado report inside them.

Dallas County, 2009

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings2150%0
Severe thunderstorm warnings311552%2692%26 min
Flash flood warnings141029%1889%106 min

Each office's whole area, 2009

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Fort Worth, TX: tornado warnings451078%1669%16 min
NWS Fort Worth, TX: severe thunderstorm warnings51121957%53188%27 min
NWS Fort Worth, TX: flash flood warnings1186049%12884%94 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Jan 4, 3:32 PM CSTFreezing Rain AdvisoryFWD24 hr
Jan 5, 11:13 AM CSTMesoscale DiscussionSPC6 hr
Jan 9, 3:00 PM CSTWind AdvisoryFWD21 hr
Jan 19, 4:00 AM CSTRed Flag WarningFWD14 hr
Jan 19, 10:07 AM CSTWind AdvisoryFWD5 hr
Jan 20, 3:45 AM CSTRed Flag WarningFWD13 hr
Jan 22, 3:48 AM CSTRed Flag WarningFWD16 hr
Jan 23, 8:32 PM CSTWind AdvisoryFWD12 hr
Jan 26, 3:51 AM CSTWinter Storm WatchFWD24 hr
Jan 26, 10:57 AM CSTIce Storm WarningFWD40 hr
Jan 29, 5:25 AM CSTFreezing Fog AdvisoryFWD6 hr
Feb 6, 2:25 AM CSTWind AdvisoryFWD19 hr
Feb 7, 3:37 AM CSTWind AdvisoryFWD14 hr
Feb 8, 2:16 PM CSTWind AdvisoryFWD17 hr
Feb 9, 3:56 AM CSTSpecial Weather StatementFWD34 min
Feb 10, 10:39 AM CSTWind AdvisoryFWD25 hr
Feb 10, 12:17 PM CSTMesoscale DiscussionSPC118 min
Feb 10, 2:16 PM CSTMesoscale DiscussionSPC119 min
Feb 10, 3:37 PM CSTTornado WatchSPC6 hr
Feb 10, 5:25 PM CSTMesoscale DiscussionSPC65 min
Feb 10, 8:58 PM CSTSevere Thunderstorm WarningFWD62 min
Feb 10, 9:30 PM CSTTornado WatchSPC7 hr
Feb 10, 9:55 PM CSTSevere Thunderstorm WarningFWD65 min
Feb 17, 4:30 AM CSTFire Weather WatchFWD23 hr
Feb 17, 3:51 PM CSTRed Flag WarningFWD26 hr
Feb 20, 9:41 PM CSTWind AdvisoryFWD18 hr
Feb 26, 2:02 PM CSTFire Weather WatchFWD25 hr
Feb 27, 2:37 PM CSTRed Flag WarningFWD29 hr
Feb 27, 2:41 PM CSTWind AdvisoryFWD29 hr
Mar 5, 1:25 AM CSTWind AdvisoryFWD17 hr
Mar 7, 4:04 AM CSTWind AdvisoryFWD14 hr
Mar 10, 10:11 PM CDTWind AdvisoryFWD6 hr
Mar 11, 5:41 PM CDTAreal Flood AdvisoryFWD4 hr
Mar 11, 7:55 PM CDTRiver Flood WarningFWD12 hr
Mar 12, 7:38 AM CDTRiver Flood WarningFWD26 hr
Mar 15, 3:55 AM CDTDense Fog AdvisoryFWD6 hr
Mar 22, 11:30 AM CDTWind AdvisoryFWD41 hr
Mar 25, 10:55 AM CDTMesoscale DiscussionSPC65 min
Mar 25, 11:27 AM CDTSevere Thunderstorm WatchSPC7 hr
Mar 25, 1:48 PM CDTMesoscale DiscussionSPC87 min
Mar 25, 9:06 PM CDTDense Fog AdvisoryFWD14 hr
Mar 27, 9:38 AM CDTWind AdvisoryFWD33 hr
Mar 27, 12:33 PM CDTMesoscale DiscussionSPC57 min
Mar 28, 3:50 PM CDTFreeze WarningFWD17 hr
Mar 30, 2:57 AM CDTWind AdvisoryFWD16 hr
Mar 30, 8:31 PM CDTMesoscale DiscussionSPC89 min
Mar 30, 8:49 PM CDTSevere Thunderstorm WatchSPC5 hr
Mar 30, 10:27 PM CDTMesoscale DiscussionSPC93 min
Mar 30, 10:49 PM CDTSevere Thunderstorm WarningFWD56 min
Mar 30, 11:41 PM CDTSevere Thunderstorm WarningFWD50 min
Mar 30, 11:42 PM CDTMesoscale DiscussionSPC2 hr
Apr 1, 3:26 AM CDTWind AdvisoryFWD17 hr
Apr 1, 3:55 PM CDTWind AdvisoryFWD28 hr
Apr 5, 3:48 AM CDTFreeze WatchFWD23 hr
Apr 5, 3:48 AM CDTWind AdvisoryFWD16 hr
Apr 6, 2:20 AM CDTFreeze WarningFWD31 hr
Apr 8, 3:37 AM CDTFire Weather WatchFWD11 hr
Apr 8, 2:53 PM CDTRed Flag WarningFWD29 hr
Apr 8, 3:48 PM CDTWind AdvisoryFWD28 hr
Apr 9, 2:39 PM CDTMesoscale DiscussionSPC111 min
Apr 11, 7:52 PM CDTSpecial Weather StatementFWD38 min
Apr 12, 5:39 AM CDTAreal Flood AdvisoryFWD3 hr
Apr 12, 7:43 AM CDTRiver Flood WarningFWD9 hr
Apr 16, 7:43 PM CDTMesoscale DiscussionSPC62 min
Apr 17, 10:33 AM CDTSpecial Weather StatementFWD27 min
Apr 17, 11:28 AM CDTAreal Flood AdvisoryFWD3 hr
Apr 17, 12:01 PM CDTSpecial Weather StatementFWD119 min
Apr 18, 3:11 PM CDTSevere Thunderstorm WatchSPC9 hr
Apr 23, 3:38 AM CDTWind AdvisoryFWD16 hr
Apr 24, 12:07 PM CDTMesoscale DiscussionSPC113 min
Apr 26, 4:18 AM CDTWind AdvisoryFWD15 hr
Apr 27, 6:11 AM CDTSpecial Weather StatementFWD34 min
Apr 27, 7:06 AM CDTFlash Flood WarningFWD114 min
Apr 28, 7:36 AM CDTDense Fog AdvisoryFWD3 hr
Apr 29, 9:16 AM CDTMesoscale DiscussionSPC89 min
Apr 29, 12:07 PM CDTMesoscale DiscussionSPC113 min
Apr 29, 3:04 PM CDTMesoscale DiscussionSPC56 min
Apr 29, 3:27 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 29, 5:53 PM CDTMesoscale DiscussionSPC67 min
Apr 30, 1:15 AM CDTSevere Thunderstorm WatchSPC6 hr
Apr 30, 3:13 AM CDTMesoscale DiscussionSPC92 min
Apr 30, 6:00 AM CDTSpecial Weather StatementFWD90 min
Apr 30, 6:38 AM CDTSpecial Weather StatementFWD22 min
May 1, 4:12 AM CDTFlash Flood WatchFWD51 hr
May 2, 1:24 PM CDTMesoscale DiscussionSPC66 min
May 2, 1:56 PM CDTTornado WatchSPC4 hr
May 2, 3:06 PM CDTSevere Thunderstorm WarningFWD39 min
May 2, 3:20 PM CDTAreal Flood AdvisoryFWD3 hr
May 2, 3:44 PM CDTSevere Thunderstorm WarningFWD14 min
May 2, 3:47 PM CDTMesoscale DiscussionSPC58 min
May 2, 5:42 PM CDTSevere Thunderstorm WarningFWD63 min
May 2, 5:52 PM CDTRiver Flood WarningFWD5 hr
May 2, 6:02 PM CDTFlash Flood WarningFWD3 hr
May 2, 6:03 PM CDTTornado WatchSPC6 hr
May 2, 6:44 PM CDTSevere Thunderstorm WarningFWD61 min
May 2, 7:38 PM CDTMesoscale DiscussionSPC97 min
May 2, 9:20 PM CDTRiver Flood WarningFWD39 hr
May 2, 9:39 PM CDTFlash Flood WarningFWD2 hr
May 2, 9:46 PM CDTSevere Thunderstorm WarningFWD48 min
May 2, 9:58 PM CDTSevere Thunderstorm WarningFWD32 min
May 2, 10:40 PM CDTMesoscale DiscussionSPC2 hr
May 2, 11:27 PM CDTRiver Flood WarningFWD9 hr
May 2, 11:38 PM CDTAreal Flood WarningFWD3 hr
May 2, 11:43 PM CDTRiver Flood WarningFWD9 hr
May 3, 2:29 AM CDTAreal Flood WarningFWD4 hr
May 3, 3:02 AM CDTMesoscale DiscussionSPC118 min
May 3, 3:30 AM CDTSpecial Weather StatementFWD30 min
May 3, 3:56 AM CDTFlash Flood WarningFWD2 hr
May 4, 5:32 PM CDTSpecial Weather StatementFWD28 min
May 4, 5:37 PM CDTSpecial Weather StatementFWD23 min
May 4, 5:40 PM CDTSevere Thunderstorm WarningFWD37 min
May 5, 4:06 AM CDTFlash Flood WatchFWD31 hr
May 5, 11:26 PM CDTSevere Thunderstorm WatchSPC6 hr
May 6, 6:15 AM CDTSevere Thunderstorm WarningFWD60 min
May 8, 5:08 PM CDTTornado WatchSPC7 hr
May 8, 9:03 PM CDTMesoscale DiscussionSPC117 min
May 8, 11:19 PM CDTMesoscale DiscussionSPC86 min
May 8, 11:48 PM CDTTornado WatchSPC5 hr
May 9, 3:20 AM CDTMesoscale DiscussionSPC55 min
May 13, 11:58 AM CDTWind AdvisoryFWD6 hr
May 14, 1:11 AM CDTSevere Thunderstorm WatchSPC6 hr
May 14, 8:23 AM CDTSpecial Weather StatementFWD37 min
May 14, 10:31 AM CDTSpecial Weather StatementFWD29 min
May 16, 2:48 AM CDTSpecial Weather StatementFWD57 min
May 26, 3:48 PM CDTMesoscale DiscussionSPC87 min
May 26, 5:18 PM CDTSevere Thunderstorm WatchSPC6 hr
May 26, 7:19 PM CDTMesoscale DiscussionSPC86 min
May 26, 8:17 PM CDTSevere Thunderstorm WarningFWD21 min
May 26, 10:08 PM CDTMesoscale DiscussionSPC67 min
Jun 2, 8:47 AM CDTSpecial Weather StatementFWD58 min
Jun 10, 2:13 PM CDTSevere Thunderstorm WatchSPC10 hr
Jun 10, 5:38 PM CDTMesoscale DiscussionSPC67 min
Jun 10, 6:43 PM CDTTornado WarningFWD62 min
Jun 10, 6:59 PM CDTSevere Thunderstorm WarningFWD61 min
Jun 10, 7:33 PM CDTAreal Flood AdvisoryFWD3 hr
Jun 10, 8:39 PM CDTMesoscale DiscussionSPC66 min
Jun 10, 11:28 PM CDTSevere Thunderstorm WarningFWD62 min
Jun 10, 11:30 PM CDTAreal Flood AdvisoryFWD3 hr
Jun 11, 2:21 AM CDTSevere Thunderstorm WarningFWD39 min
Jun 11, 2:49 AM CDTFlash Flood WarningFWD6 hr
Jun 11, 2:55 AM CDTMesoscale DiscussionSPC65 min
Jun 11, 2:57 AM CDTSevere Thunderstorm WarningFWD63 min
Jun 11, 3:11 AM CDTSevere Thunderstorm WatchSPC7 hr
Jun 11, 5:00 AM CDTSpecial Weather StatementFWD30 min
Jun 11, 5:22 AM CDTMesoscale DiscussionSPC53 min
Jun 11, 6:52 AM CDTSevere Thunderstorm WarningFWD53 min
Jun 11, 7:01 AM CDTRiver Flood WarningFWD7 hr
Jun 11, 7:39 AM CDTMesoscale DiscussionSPC66 min
Jun 11, 7:46 AM CDTSpecial Weather StatementFWD29 min
Jun 11, 8:04 AM CDTRiver Flood WarningFWD53 hr
Jun 11, 8:30 AM CDTFlash Flood WarningFWD3 hr
Jun 11, 8:56 AM CDTSpecial Weather StatementFWD34 min
Jun 11, 9:24 AM CDTSevere Thunderstorm WarningFWD51 min
Jun 11, 10:10 AM CDTSevere Thunderstorm WatchSPC8 hr
Jun 11, 10:26 AM CDTSevere Thunderstorm WarningFWD64 min
Jun 11, 10:52 AM CDTRiver Flood WarningFWD6 hr
Jun 11, 11:13 AM CDTFlash Flood WarningFWD4 hr
Jun 11, 12:25 PM CDTSpecial Weather StatementFWD35 min
Jun 11, 1:10 PM CDTMesoscale DiscussionSPC65 min
Jun 11, 3:09 PM CDTAreal Flood WarningFWD4 hr
Jun 11, 5:41 PM CDTMesoscale DiscussionSPC64 min
Jun 11, 7:22 PM CDTAreal Flood WarningFWD6 hr
Jun 12, 3:29 PM CDTTornado WatchSPC9 hr
Jun 12, 8:54 PM CDTMesoscale DiscussionSPC66 min
Jun 24, 2:22 AM CDTHeat AdvisoryFWD5 days
Jul 8, 5:06 PM CDTSevere Thunderstorm WarningFWD54 min
Jul 8, 5:30 PM CDTAreal Flood AdvisoryFWD3 hr
Jul 8, 5:44 PM CDTSevere Thunderstorm WarningFWD61 min
Jul 9, 2:16 AM CDTHeat AdvisoryFWD8 days
Jul 19, 2:06 PM CDTMesoscale DiscussionSPC54 min
Jul 19, 2:11 PM CDTSevere Thunderstorm WarningFWD64 min
Jul 19, 2:36 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 19, 2:40 PM CDTSevere Thunderstorm WarningFWD65 min
Jul 19, 5:54 PM CDTMesoscale DiscussionSPC96 min
Jul 21, 11:58 AM CDTMesoscale DiscussionSPC92 min
Jul 26, 7:04 PM CDTSpecial Weather StatementFWD26 min
Jul 26, 7:12 PM CDTAreal Flood AdvisoryFWD2 hr
Jul 26, 7:31 PM CDTSpecial Weather StatementFWD29 min
Jul 26, 7:59 PM CDTSpecial Weather StatementFWD31 min
Jul 26, 8:02 PM CDTSevere Thunderstorm WarningFWD28 min
Jul 27, 8:35 AM CDTAreal Flood AdvisoryFWD3 hr
Jul 27, 11:35 AM CDTAreal Flood AdvisoryFWD3 hr
Jul 27, 2:31 PM CDTAreal Flood AdvisoryFWD119 min
Jul 27, 11:09 PM CDTAreal Flood AdvisoryFWD111 min
Jul 29, 11:11 PM CDTMesoscale DiscussionSPC2 hr
Jul 30, 12:52 AM CDTSevere Thunderstorm WatchSPC7 hr
Jul 30, 1:45 AM CDTMesoscale DiscussionSPC90 min
Jul 30, 4:04 AM CDTMesoscale DiscussionSPC86 min
Jul 30, 5:25 AM CDTSevere Thunderstorm WarningFWD65 min
Jul 30, 5:31 AM CDTAreal Flood AdvisoryFWD3 hr
Jul 30, 5:36 AM CDTTornado WarningFWD24 min
Jul 30, 5:42 AM CDTFlash Flood WarningFWD2 hr
Jul 31, 8:57 PM CDTSpecial Weather StatementFWD33 min
Aug 1, 9:53 AM CDTAreal Flood AdvisoryFWD3 hr
Aug 1, 5:30 PM CDTAreal Flood AdvisoryFWD3 hr
Aug 4, 2:23 AM CDTHeat AdvisoryFWD4 days
Aug 5, 3:21 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 5, 5:42 PM CDTSpecial Weather StatementFWD33 min
Aug 5, 6:16 PM CDTSpecial Weather StatementFWD29 min
Aug 5, 8:33 PM CDTMesoscale DiscussionSPC57 min
Aug 20, 2:32 PM CDTMesoscale DiscussionSPC88 min
Aug 21, 2:31 AM CDTMesoscale DiscussionSPC29 min
Aug 21, 2:36 AM CDTSpecial Weather StatementFWD24 min
Aug 21, 6:41 AM CDTAreal Flood AdvisoryFWD109 min
Aug 21, 7:11 AM CDTSpecial Weather StatementFWD34 min
Aug 21, 7:37 AM CDTRiver Flood WarningFWD3 hr
Sep 3, 9:10 PM CDTSpecial Weather StatementFWD35 min
Sep 3, 9:28 PM CDTAreal Flood AdvisoryFWD77 min
Sep 10, 4:20 PM CDTSpecial Weather StatementFWD25 min
Sep 10, 4:45 PM CDTSpecial Weather StatementFWD30 min
Sep 11, 3:49 AM CDTFlash Flood WatchFWD4 days
Sep 11, 6:31 PM CDTAreal Flood AdvisoryFWD3 hr
Sep 11, 7:04 PM CDTAreal Flood AdvisoryFWD3 hr
Sep 11, 7:38 PM CDTFlash Flood WarningFWD6 hr
Sep 11, 10:44 PM CDTRiver Flood WarningFWD116 min
Sep 12, 7:15 PM CDTRiver Flood WarningFWD3 days
Sep 13, 12:15 AM CDTAreal Flood AdvisoryFWD3 hr
Sep 13, 2:08 AM CDTFlash Flood WarningFWD3 hr
Sep 13, 4:56 AM CDTFlash Flood WarningFWD3 hr
Sep 13, 8:15 AM CDTFlash Flood WarningFWD3 hr
Sep 13, 11:16 AM CDTFlash Flood WarningFWD3 hr
Sep 13, 2:16 PM CDTAreal Flood WarningFWD19 hr
Sep 14, 9:21 AM CDTAreal Flood WarningFWD3 hr
Sep 21, 4:10 AM CDTFlash Flood WatchFWD19 hr
Sep 21, 4:29 PM CDTSevere Thunderstorm WatchSPC7 hr
Sep 21, 8:04 PM CDTMesoscale DiscussionSPC56 min
Sep 21, 8:12 PM CDTSpecial Weather StatementFWD33 min
Sep 21, 8:16 PM CDTSevere Thunderstorm WarningFWD59 min
Sep 21, 8:56 PM CDTSpecial Weather StatementFWD34 min
Sep 21, 8:59 PM CDTAreal Flood AdvisoryFWD2 hr
Oct 1, 2:17 PM CDTMesoscale DiscussionSPC88 min
Oct 1, 3:50 PM CDTSevere Thunderstorm WatchSPC7 hr
Oct 1, 5:39 PM CDTSevere Thunderstorm WarningFWD66 min
Oct 1, 6:02 PM CDTMesoscale DiscussionSPC58 min
Oct 6, 2:43 AM CDTDense Fog AdvisoryFWD6 hr
Oct 6, 11:54 AM CDTSevere Thunderstorm WatchSPC5 hr
Oct 6, 1:50 PM CDTMesoscale DiscussionSPC55 min
Oct 7, 3:38 AM CDTFlash Flood WatchFWD60 hr
Oct 8, 12:10 AM CDTDense Fog AdvisoryFWD8 hr
Oct 9, 3:41 AM CDTAreal Flood AdvisoryFWD3 hr
Oct 9, 3:56 AM CDTRiver Flood WarningFWD7 hr
Oct 9, 4:29 AM CDTRiver Flood WarningFWD6 hr
Oct 9, 6:07 AM CDTRiver Flood WarningFWD51 hr
Oct 13, 9:07 AM CDTFlash Flood WatchFWD10 hr
Oct 13, 9:35 AM CDTAreal Flood AdvisoryFWD115 min
Oct 13, 9:20 PM CDTDense Fog AdvisoryFWD13 hr
Oct 20, 3:51 AM CDTFlash Flood WatchFWD55 hr
Oct 21, 1:21 PM CDTAreal Flood AdvisoryFWD3 hr
Oct 21, 4:26 PM CDTAreal Flood AdvisoryFWD4 hr
Oct 21, 7:11 PM CDTMesoscale DiscussionSPC94 min
Oct 21, 9:20 PM CDTRiver Flood WarningFWD70 hr
Oct 21, 10:35 PM CDTAreal Flood AdvisoryFWD3 hr
Oct 21, 10:41 PM CDTAreal Flood AdvisoryFWD3 hr
Oct 22, 1:46 AM CDTAreal Flood AdvisoryFWD119 min
Oct 22, 9:49 AM CDTRiver Flood WarningFWD11 hr
Oct 25, 3:40 AM CDTFlash Flood WatchFWD36 hr
Oct 25, 5:20 PM CDTMesoscale DiscussionSPC115 min
Oct 25, 7:13 PM CDTSevere Thunderstorm WatchSPC6 hr
Oct 25, 9:44 PM CDTMesoscale DiscussionSPC91 min
Oct 25, 10:27 PM CDTSpecial Weather StatementFWD33 min
Oct 25, 10:37 PM CDTSevere Thunderstorm WarningFWD53 min
Oct 25, 10:38 PM CDTFlash Flood WarningFWD112 min
Oct 25, 11:40 PM CDTMesoscale DiscussionSPC95 min
Oct 26, 1:09 AM CDTRiver Flood WarningFWD57 hr
Oct 28, 4:03 AM CDTFlash Flood WatchFWD37 hr
Oct 29, 1:07 AM CDTMesoscale DiscussionSPC53 min
Oct 29, 1:19 AM CDTTornado WatchSPC6 hr
Oct 29, 3:40 AM CDTMesoscale DiscussionSPC95 min
Oct 29, 5:31 AM CDTMesoscale DiscussionSPC89 min
Oct 29, 10:03 AM CDTRiver Flood WarningFWD34 hr
Oct 29, 10:03 AM CDTRiver Flood WarningFWD11 hr
Oct 29, 10:48 AM CDTMesoscale DiscussionSPC117 min
Oct 29, 11:04 AM CDTAreal Flood AdvisoryFWD3 hr
Oct 29, 11:13 AM CDTSpecial Weather StatementFWD32 min
Oct 29, 11:48 AM CDTSevere Thunderstorm WarningFWD57 min
Oct 29, 11:51 AM CDTTornado WatchSPC6 hr
Oct 29, 12:20 PM CDTSevere Thunderstorm WarningFWD35 min
Nov 16, 3:49 AM CSTWind AdvisoryFWD11 hr
Nov 20, 10:56 AM CSTAreal Flood AdvisoryFWD3 hr
Nov 21, 5:30 AM CSTRiver Flood WarningFWD3 hr
Nov 22, 1:46 AM CSTDense Fog AdvisoryFWD7 hr
Nov 22, 11:20 PM CSTDense Fog AdvisoryFWD12 hr
Dec 2, 3:59 AM CSTFreeze WarningFWD29 hr
Dec 12, 9:34 PM CSTDense Fog AdvisoryFWD12 hr
Dec 23, 1:39 PM CSTWind AdvisoryFWD38 hr
Dec 23, 3:00 PM CSTMesoscale DiscussionSPC60 min
Dec 23, 7:50 PM CSTMesoscale DiscussionSPC85 min
Dec 23, 7:59 PM CSTSpecial Weather StatementFWD31 min
Dec 23, 9:35 PM CSTWinter Weather AdvisoryFWD23 hr
Dec 23, 11:06 PM CSTMesoscale DiscussionSPC114 min
Dec 28, 2:00 PM CSTWinter Weather AdvisoryFWD36 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 archive20082010

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.