Alert archive / Texas / Brazoria County

Weather alerts in Brazoria County, Texas, 2015

305 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Brazoria County and its neighbors

Each county as a circle sized by its count in 2015. Tap one for its archive.

Alerts
305
Warnings
97
Watches
26
Advisories
116
Busiest month
May74 alerts
Busiest day
October 31, 201520 alerts

Over time

By month

Warning verification

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

5 of 12 tornado warnings covering Brazoria County in 2015 had a tornado report inside them; 5 of 15 tornado reports fell inside a warning, on average 8 minutes after it went out.

Brazoria County, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings12558%1533%8 min
Severe thunderstorm warnings271256%2374%26 min
Flash flood warnings302033%540%107 min

Each office's whole area, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Houston/Galveston, TX: tornado warnings521081%4333%14 min
NWS Houston/Galveston, TX: severe thunderstorm warnings1546955%20369%19 min
NWS Houston/Galveston, TX: flash flood warnings1387347%20778%65 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 2, 8:58 AM CSTDense Fog AdvisoryHGX18 hr
Jan 7, 3:58 AM CSTWind AdvisoryHGX57 days
Jan 11, 8:38 AM CSTAreal Flood AdvisoryHGX2 hr
Jan 11, 9:00 PM CSTDense Fog AdvisoryHGX8 hr
Jan 12, 6:03 AM CSTDense Fog AdvisoryHGX4 hr
Jan 19, 10:19 PM CSTDense Fog AdvisoryHGX12 hr
Jan 20, 6:06 PM CSTDense Fog AdvisoryHGX15 hr
Jan 21, 5:28 PM CSTDense Fog AdvisoryHGX3 hr
Jan 22, 4:06 AM CSTWind AdvisoryHGX24 hr
Jan 22, 12:15 PM CSTAreal Flood AdvisoryHGX2 hr
Jan 22, 1:00 PM CSTFlash Flood WarningHGX2 hr
Jan 22, 1:48 PM CSTAreal Flood AdvisoryHGX117 min
Jan 28, 9:53 PM CSTDense Fog AdvisoryHGX12 hr
Feb 1, 8:24 PM CSTWind AdvisoryHGX7 hr
Feb 2, 3:18 AM CSTWind AdvisoryHGX5 hr
Feb 7, 2:05 AM CSTDense Fog AdvisoryHGX6 hr
Feb 8, 5:18 AM CSTDense Fog AdvisoryHGX4 hr
Feb 8, 11:35 PM CSTDense Fog AdvisoryHGX4 hr
Feb 8, 11:44 PM CSTDense Fog AdvisoryHGX9 hr
Feb 11, 12:48 AM CSTDense Fog AdvisoryHGX9 hr
Feb 12, 12:18 AM CSTDense Fog AdvisoryHGX6 hr
Feb 14, 5:54 AM CSTDense Fog AdvisoryHGX3 hr
Feb 14, 11:36 PM CSTDense Fog AdvisoryHGX9 hr
Feb 16, 10:10 AM CSTWind AdvisoryHGX12 hr
Mar 1, 10:46 AM CSTDense Fog AdvisoryHGX13 hr
Mar 2, 6:26 PM CSTDense Fog AdvisoryHGX16 hr
Mar 4, 10:52 AM CSTWind AdvisoryHGX25 hr
Mar 9, 11:59 AM CDTRiver Flood WarningHGX7 days
Mar 14, 5:32 AM CDTDense Fog AdvisoryHGX3 hr
Mar 17, 6:16 AM CDTDense Fog AdvisoryHGX4 hr
Mar 18, 3:14 AM CDTDense Fog AdvisoryHGX3 hr
Mar 18, 9:38 AM CDTRiver Flood WarningHGX11 days
Mar 21, 8:27 AM CDTAreal Flood AdvisoryHGX63 min
Mar 21, 9:34 AM CDTAreal Flood AdvisoryHGX116 min
Mar 21, 2:09 PM CDTAreal Flood AdvisoryHGX2 hr
Mar 21, 3:05 PM CDTFlash Flood WarningHGX3 hr
Mar 24, 8:12 AM CDTRiver Flood WarningHGX4 days
Apr 11, 8:42 PM CDTAreal Flood AdvisoryHGX2 hr
Apr 14, 9:15 AM CDTSpecial Weather StatementHGX45 min
Apr 14, 9:27 AM CDTAreal Flood AdvisoryHGX2 hr
Apr 14, 9:41 AM CDTSpecial Weather StatementHGX49 min
Apr 14, 10:34 AM CDTSpecial Weather StatementHGX41 min
Apr 16, 2:22 PM CDTSevere Thunderstorm WatchSPC8 hr
Apr 16, 3:19 PM CDTFlash Flood WatchHGX41 hr
Apr 16, 6:19 PM CDTMesoscale DiscussionSPC86 min
Apr 16, 8:14 PM CDTSevere Thunderstorm WarningHGX46 min
Apr 16, 8:20 PM CDTMesoscale DiscussionSPC85 min
Apr 16, 8:36 PM CDTTornado WatchSPC3 hr
Apr 16, 10:14 PM CDTSevere Thunderstorm WarningHGX46 min
Apr 16, 11:33 PM CDTMesoscale DiscussionSPC87 min
Apr 17, 3:22 PM CDTMesoscale DiscussionSPC113 min
Apr 17, 3:30 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 17, 5:41 PM CDTMesoscale DiscussionSPC94 min
Apr 17, 6:21 PM CDTSevere Thunderstorm WarningHGX39 min
Apr 17, 6:56 PM CDTAreal Flood AdvisoryHGX3 hr
Apr 17, 6:56 PM CDTSevere Thunderstorm WarningHGX49 min
Apr 17, 7:37 PM CDTSevere Thunderstorm WarningHGX38 min
Apr 17, 7:55 PM CDTFlash Flood WarningHGX3 hr
Apr 17, 8:01 PM CDTSevere Thunderstorm WarningHGX44 min
Apr 17, 9:13 PM CDTSevere Thunderstorm WatchSPC5 hr
Apr 17, 10:54 PM CDTRiver Flood WarningHGX8 days
Apr 17, 10:57 PM CDTFlash Flood WarningHGX2 hr
Apr 18, 5:25 PM CDTAreal Flood AdvisoryHGX50 min
Apr 18, 6:15 PM CDTAreal Flood AdvisoryHGX60 min
Apr 18, 8:41 PM CDTRiver Flood WarningHGX5 days
Apr 19, 1:52 PM CDTMesoscale DiscussionSPC53 min
Apr 19, 2:31 PM CDTSevere Thunderstorm WatchSPC7 hr
Apr 19, 8:12 PM CDTSpecial Weather StatementHGX93 min
Apr 19, 9:26 PM CDTSpecial Weather StatementHGX19 min
Apr 22, 10:43 AM CDTMesoscale DiscussionSPC2 hr
Apr 23, 10:58 PM CDTRiver Flood WarningHGX77 min
Apr 25, 6:52 AM CDTMesoscale DiscussionSPC83 min
Apr 25, 7:12 AM CDTSevere Thunderstorm WatchSPC6 hr
Apr 25, 7:36 AM CDTSevere Thunderstorm WarningHGX24 min
Apr 25, 8:13 AM CDTSevere Thunderstorm WarningHGX47 min
Apr 25, 8:23 AM CDTSevere Thunderstorm WarningHGX52 min
Apr 25, 8:27 AM CDTAreal Flood AdvisoryHGX3 hr
Apr 25, 8:33 AM CDTTornado WarningHGX27 min
Apr 25, 10:18 AM CDTSevere Thunderstorm WarningHGX27 min
Apr 25, 10:54 AM CDTSpecial Weather StatementHGX36 min
Apr 26, 5:24 PM CDTMesoscale DiscussionSPC96 min
Apr 26, 5:39 PM CDTTornado WatchSPC2 hr
Apr 26, 5:51 PM CDTSevere Thunderstorm WarningHGX39 min
Apr 26, 6:16 PM CDTSevere Thunderstorm WarningHGX29 min
Apr 26, 6:49 PM CDTSevere Thunderstorm WarningHGX41 min
Apr 26, 7:24 PM CDTSevere Thunderstorm WarningHGX23 min
Apr 27, 2:40 AM CDTRiver Flood WarningHGX61 hr
May 5, 7:52 AM CDTSpecial Weather StatementHGX53 min
May 9, 10:35 PM CDTRip Current StatementHGX19 hr
May 11, 10:52 AM CDTFlash Flood WatchHGX24 hr
May 11, 10:51 PM CDTAreal Flood AdvisoryHGX114 min
May 12, 12:31 AM CDTFlash Flood WarningHGX3 hr
May 12, 1:26 AM CDTAreal Flood AdvisoryHGX2 hr
May 12, 1:40 AM CDTTornado WarningHGX22 min
May 12, 2:30 PM CDTAreal Flood AdvisoryHGX2 hr
May 12, 2:30 PM CDTMesoscale DiscussionSPC3 hr
May 12, 3:32 PM CDTFlash Flood WatchHGX30 hr
May 12, 4:30 PM CDTAreal Flood AdvisoryHGX2 hr
May 12, 5:47 PM CDTAreal Flood AdvisoryHGX118 min
May 12, 6:42 PM CDTAreal Flood AdvisoryHGX2 hr
May 12, 6:57 PM CDTFlash Flood WarningHGX3 hr
May 12, 8:30 PM CDTAreal Flood AdvisoryHGX2 hr
May 12, 8:58 PM CDTAreal Flood AdvisoryHGX3 hr
May 12, 10:03 PM CDTFlash Flood WarningHGX3 hr
May 12, 10:38 PM CDTAreal Flood AdvisoryHGX112 min
May 12, 11:08 PM CDTFlash Flood WarningHGX2 hr
May 12, 11:54 PM CDTAreal Flood AdvisoryHGX111 min
May 13, 12:19 AM CDTFlash Flood WarningHGX56 min
May 13, 12:23 AM CDTAreal Flood AdvisoryHGX3 hr
May 13, 1:11 AM CDTFlash Flood WarningHGX3 hr
May 13, 4:15 AM CDTFlash Flood WarningHGX60 min
May 13, 5:15 AM CDTFlash Flood WarningHGX4 hr
May 13, 9:21 AM CDTAreal Flood WarningHGX3 hr
May 15, 6:39 AM CDTFlash Flood WatchHGX12 hr
May 15, 2:41 PM CDTMesoscale DiscussionSPC2 hr
May 17, 6:51 AM CDTRip Current StatementHGX24 hr
May 20, 10:30 AM CDTRiver Flood WarningHGX4 days
May 20, 1:51 PM CDTAreal Flood AdvisoryHGX114 min
May 20, 3:06 PM CDTAreal Flood AdvisoryHGX54 min
May 20, 3:48 PM CDTAreal Flood AdvisoryHGX117 min
May 21, 1:40 PM CDTAreal Flood AdvisoryHGX2 hr
May 21, 1:52 PM CDTAreal Flood AdvisoryHGX2 hr
May 21, 2:53 PM CDTAreal Flood AdvisoryHGX2 hr
May 21, 3:53 PM CDTAreal Flood AdvisoryHGX2 hr
May 23, 4:47 AM CDTFlash Flood WatchHGX32 hr
May 23, 11:03 AM CDTRip Current StatementHGX58 hr
May 24, 2:12 AM CDTMesoscale DiscussionSPC93 min
May 24, 3:56 AM CDTWind AdvisoryHGX14 hr
May 24, 4:20 AM CDTSevere Thunderstorm WarningHGX55 min
May 24, 5:16 AM CDTSevere Thunderstorm WarningHGX59 min
May 24, 6:08 AM CDTSevere Thunderstorm WarningHGX67 min
May 24, 3:01 PM CDTFlash Flood WatchHGX51 hr
May 24, 9:20 PM CDTRiver Flood WarningHGX19 days
May 25, 6:06 PM CDTMesoscale DiscussionSPC54 min
May 25, 6:24 PM CDTTornado WatchSPC9 hr
May 25, 8:05 PM CDTMesoscale DiscussionSPC85 min
May 25, 8:54 PM CDTFlash Flood WarningHGX3 hr
May 25, 9:41 PM CDTSevere Thunderstorm WarningHGX64 min
May 25, 11:13 PM CDTMesoscale DiscussionSPC92 min
May 25, 11:40 PM CDTFlash Flood WarningHGX3 hr
May 26, 12:36 AM CDTFlash Flood WarningHGX3 hr
May 26, 12:58 AM CDTSevere Thunderstorm WarningHGX47 min
May 26, 1:41 AM CDTSevere Thunderstorm WarningHGX49 min
May 26, 2:30 AM CDTFlash Flood Warning EmergencyHGX3 hr
May 26, 3:21 AM CDTSevere Thunderstorm WarningHGX39 min
May 26, 3:58 AM CDTSevere Thunderstorm WarningHGX47 min
May 26, 7:07 AM CDTRiver Flood WarningHGX11 days
May 26, 11:45 AM CDTRip Current StatementHGX9 hr
May 27, 7:05 AM CDTSpecial Weather StatementHGX55 min
May 27, 7:16 AM CDTAreal Flood AdvisoryHGX3 hr
May 27, 8:03 AM CDTRiver Flood WarningHGX3 days
May 27, 11:18 AM CDTRiver Flood WarningHGX10 days
May 29, 4:26 AM CDTFlash Flood WatchHGX4 hr
May 29, 6:04 AM CDTSpecial Weather StatementHGX41 min
May 29, 6:53 AM CDTAreal Flood AdvisoryHGX52 min
May 29, 7:43 AM CDTAreal Flood AdvisoryHGX62 min
May 29, 3:33 PM CDTFlash Flood WatchHGX30 hr
May 30, 5:16 PM CDTAreal Flood AdvisoryHGX119 min
May 30, 5:55 PM CDTSevere Thunderstorm WarningHGX35 min
May 30, 6:25 PM CDTAreal Flood AdvisoryHGX110 min
May 30, 8:12 PM CDTAreal Flood AdvisoryHGX2 hr
Jun 13, 9:20 AM CDTAreal Flood AdvisoryHGX115 min
Jun 13, 10:27 AM CDTFlash Flood WarningHGX3 hr
Jun 15, 9:57 AM CDTFlash Flood WatchHGX3 days
Jun 15, 10:31 AM CDTCoastal Flood AdvisoryHGX37 hr
Jun 15, 2:41 PM CDTWind AdvisoryHGX21 hr
Jun 15, 10:00 PM CDTTropical Storm WarningNHC4 days
Jun 15, 10:21 PM CDTTropical Storm WarningHGX28 hr
Jun 16, 7:48 AM CDTMesoscale DiscussionSPC2 hr
Jun 16, 9:20 AM CDTRiver Flood WarningHGX11 days
Jun 16, 1:01 PM CDTTornado WatchSPC11 hr
Jun 16, 3:06 PM CDTMesoscale DiscussionSPC114 min
Jun 16, 5:51 PM CDTFlash Flood WarningHGX3 hr
Jun 16, 6:38 PM CDTMesoscale DiscussionSPC97 min
Jun 16, 10:50 PM CDTMesoscale DiscussionSPC85 min
Jun 16, 11:41 PM CDTTornado WatchSPC7 hr
Jun 17, 1:58 AM CDTBeach Hazards StatementHGX18 hr
Jun 17, 3:01 AM CDTMesoscale DiscussionSPC119 min
Jun 17, 5:31 AM CDTMesoscale DiscussionSPC89 min
Jun 17, 7:47 AM CDTMesoscale DiscussionSPC2 hr
Jun 17, 9:41 AM CDTRiver Flood WarningHGX9 days
Jun 17, 9:41 AM CDTRiver Flood WarningHGX9 days
Jun 17, 9:56 AM CDTRiver Flood WarningHGX8 days
Jun 17, 6:49 PM CDTAreal Flood AdvisoryHGX116 min
Jun 19, 2:47 PM CDTAreal Flood AdvisoryHGX58 min
Jul 31, 3:51 AM CDTHeat AdvisoryHGX15 hr
Aug 8, 10:06 AM CDTHeat AdvisoryHGX58 hr
Aug 10, 3:18 PM CDTHeat AdvisoryHGX30 hr
Aug 11, 5:49 PM CDTSevere Thunderstorm WarningHGX41 min
Aug 11, 6:19 PM CDTSevere Thunderstorm WarningHGX41 min
Aug 11, 6:58 PM CDTSevere Thunderstorm WarningHGX62 min
Aug 12, 3:35 AM CDTHeat AdvisoryHGX17 hr
Aug 15, 2:58 PM CDTSpecial Weather StatementHGX32 min
Aug 19, 1:08 PM CDTAreal Flood AdvisoryHGX3 hr
Aug 19, 2:06 PM CDTFlash Flood WarningHGX114 min
Aug 19, 3:55 PM CDTAreal Flood AdvisoryHGX2 hr
Aug 19, 5:08 PM CDTAreal Flood AdvisoryHGX112 min
Aug 20, 7:52 AM CDTAreal Flood AdvisoryHGX3 hr
Aug 20, 8:56 AM CDTFlash Flood WarningHGX2 hr
Aug 20, 9:20 AM CDTAreal Flood AdvisoryHGX3 hr
Aug 20, 9:21 AM CDTFlash Flood WatchHGX7 hr
Aug 20, 10:27 AM CDTFlash Flood WarningHGX93 min
Aug 21, 5:23 AM CDTFlash Flood WatchHGX6 hr
Aug 21, 8:41 AM CDTAreal Flood AdvisoryHGX109 min
Aug 21, 6:27 PM CDTAreal Flood AdvisoryHGX63 min
Aug 25, 1:47 PM CDTSevere Thunderstorm WarningHGX43 min
Aug 25, 2:24 PM CDTSpecial Weather StatementHGX51 min
Aug 25, 3:19 PM CDTSpecial Weather StatementHGX86 min
Sep 1, 8:57 AM CDTSpecial Weather StatementHGX63 min
Sep 1, 10:01 AM CDTSpecial Weather StatementHGX59 min
Sep 1, 10:34 AM CDTAreal Flood AdvisoryHGX116 min
Sep 6, 5:59 AM CDTDense Fog AdvisoryHGX3 hr
Sep 11, 5:09 AM CDTSpecial Weather StatementHGX51 min
Sep 11, 6:30 AM CDTAreal Flood AdvisoryHGX30 min
Sep 25, 7:03 PM CDTSpecial Weather StatementHGX42 min
Sep 26, 12:48 AM CDTSpecial Weather StatementHGX57 min
Sep 29, 12:09 PM CDTRip Current StatementHGX9 hr
Oct 2, 9:25 AM CDTRip Current StatementHGX15 hr
Oct 11, 3:48 AM CDTDense Fog AdvisoryHGX5 hr
Oct 14, 12:37 AM CDTDense Fog AdvisoryHGX7 hr
Oct 17, 10:34 AM CDTRip Current StatementHGX35 hr
Oct 20, 10:25 AM CDTCoastal Flood AdvisoryHGX4 days
Oct 20, 10:25 AM CDTRip Current StatementHGX9 hr
Oct 23, 9:37 AM CDTFlash Flood WatchHGX49 hr
Oct 23, 11:42 AM CDTCoastal Flood WatchHGX18 hr
Oct 24, 5:13 AM CDTCoastal Flood WarningHGX24 hr
Oct 24, 10:31 AM CDTSpecial Weather StatementHGX89 min
Oct 24, 12:37 PM CDTSpecial Weather StatementHGX23 min
Oct 24, 12:50 PM CDTMesoscale DiscussionSPC2 hr
Oct 24, 2:06 PM CDTTornado WarningHGX24 min
Oct 24, 2:27 PM CDTSpecial Weather StatementHGX48 min
Oct 24, 2:44 PM CDTTornado WatchSPC7 hr
Oct 24, 2:59 PM CDTAreal Flood AdvisoryHGX3 hr
Oct 24, 3:09 PM CDTSpecial Weather StatementHGX36 min
Oct 24, 3:25 PM CDTTornado WarningHGX35 min
Oct 24, 3:47 PM CDTWind AdvisoryHGX39 hr
Oct 24, 4:31 PM CDTSpecial Weather StatementHGX44 min
Oct 24, 5:14 PM CDTFlash Flood WarningHGX3 hr
Oct 24, 5:38 PM CDTAreal Flood AdvisoryHGX3 hr
Oct 24, 6:14 PM CDTMesoscale DiscussionSPC91 min
Oct 24, 6:24 PM CDTAreal Flood AdvisoryHGX2 hr
Oct 24, 7:20 PM CDTFlash Flood WarningHGX3 hr
Oct 24, 8:18 PM CDTFlash Flood WarningHGX3 hr
Oct 24, 9:29 PM CDTMesoscale DiscussionSPC61 min
Oct 24, 10:15 PM CDTFlash Flood WarningHGX3 hr
Oct 24, 10:50 PM CDTAreal Flood AdvisoryHGX3 hr
Oct 24, 11:12 PM CDTFlash Flood WarningHGX2 hr
Oct 25, 1:11 AM CDTFlash Flood WarningHGX3 hr
Oct 25, 4:45 AM CDTCoastal Flood AdvisoryHGX5 hr
Oct 25, 9:20 AM CDTRiver Flood WarningHGX3 days
Oct 25, 9:20 AM CDTRiver Flood WarningHGX3 days
Oct 25, 4:42 PM CDTRiver Flood WarningHGX24 hr
Oct 26, 10:23 AM CDTWind AdvisoryHGX4 hr
Oct 30, 4:24 AM CDTCoastal Flood AdvisoryHGX25 hr
Oct 30, 11:35 AM CDTFlash Flood WatchHGX28 hr
Oct 30, 4:55 PM CDTWind AdvisoryHGX2 hr
Oct 31, 1:51 AM CDTMesoscale DiscussionSPC114 min
Oct 31, 2:27 AM CDTAreal Flood AdvisoryHGX2 hr
Oct 31, 2:51 AM CDTFlash Flood WarningHGX3 hr
Oct 31, 2:57 AM CDTTornado WatchSPC9 hr
Oct 31, 3:01 AM CDTTornado WarningHGX44 min
Oct 31, 3:06 AM CDTTornado WarningHGX24 min
Oct 31, 3:27 AM CDTTornado WarningHGX48 min
Oct 31, 4:14 AM CDTTornado WarningHGX31 min
Oct 31, 4:45 AM CDTTornado WarningHGX30 min
Oct 31, 4:46 AM CDTMesoscale DiscussionSPC119 min
Oct 31, 5:07 AM CDTTornado WarningHGX23 min
Oct 31, 5:18 AM CDTTornado WarningHGX27 min
Oct 31, 5:35 AM CDTTornado WarningHGX25 min
Oct 31, 6:44 AM CDTCoastal Flood AdvisoryHGX3 hr
Oct 31, 7:03 AM CDTFlash Flood WarningHGX3 hr
Oct 31, 9:19 AM CDTRiver Flood WarningHGX3 days
Oct 31, 9:55 AM CDTFlash Flood WarningHGX110 min
Oct 31, 10:03 AM CDTMesoscale DiscussionSPC57 min
Oct 31, 12:58 PM CDTRiver Flood WarningHGX31 hr
Oct 31, 4:20 PM CDTRiver Flood WarningHGX28 hr
Nov 2, 5:03 AM CSTDense Fog AdvisoryHGX4 hr
Nov 3, 7:30 AM CSTDense Fog AdvisoryHGX90 min
Nov 6, 9:20 PM CSTDense Fog AdvisoryHGX6 hr
Nov 7, 9:41 AM CSTWind AdvisoryHGX20 hr
Nov 7, 10:56 AM CSTAreal Flood AdvisoryHGX109 min
Nov 17, 8:20 AM CSTWind AdvisoryHGX5 hr
Nov 17, 11:50 AM CSTSpecial Weather StatementHGX70 min
Nov 20, 3:18 PM CSTWind AdvisoryHGX44 hr
Nov 21, 6:26 AM CSTAreal Flood AdvisoryHGX64 min
Dec 8, 1:40 AM CSTDense Fog AdvisoryHGX7 hr
Dec 8, 10:34 PM CSTDense Fog AdvisoryHGX10 hr
Dec 9, 9:03 AM CSTDense Fog AdvisoryHGX57 min
Dec 9, 11:36 PM CSTDense Fog AdvisoryHGX9 hr
Dec 12, 2:16 PM CSTMesoscale DiscussionSPC2 hr
Dec 12, 3:02 PM CSTWind AdvisoryHGX18 hr
Dec 13, 2:04 AM CSTSpecial Weather StatementHGX26 min
Dec 13, 7:47 AM CSTBeach Hazards StatementHGX10 hr
Dec 13, 7:48 AM CSTSpecial Weather StatementHGX72 min
Dec 13, 8:23 AM CSTAreal Flood AdvisoryHGX112 min
Dec 13, 9:59 PM CSTRiver Flood WarningHGX36 hr
Dec 13, 9:59 PM CSTRiver Flood WarningHGX7 days
Dec 16, 5:18 AM CSTAreal Flood AdvisoryHGX3 hr
Dec 21, 9:44 PM CSTDense Fog AdvisoryHGX12 hr
Dec 23, 11:03 PM CSTDense Fog AdvisoryHGX10 hr
Dec 25, 6:30 AM CSTDense Fog AdvisoryHGX3 hr
Dec 26, 5:09 AM CSTWind AdvisoryHGX15 hr
Dec 26, 6:41 AM CSTBeach Hazards StatementHGX35 hr
Dec 27, 2:50 AM CSTWind AdvisoryHGX30 hr
Dec 27, 3:19 PM CSTMesoscale DiscussionSPC116 min

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 archive20142016

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.