Alert archive / Texas / Brazoria County

Weather alerts in Brazoria County, Texas, 2008

131 weather alerts in 2008, 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 2008. Tap one for its archive.

Alerts
131
Warnings
41
Watches
21
Advisories
48
Busiest month
June21 alerts
Busiest day
June 21, 20087 alerts

Over time

By month

Warning verification

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

0 of 1 tornado warnings covering Brazoria County in 2008 had a tornado report inside them.

Brazoria County, 2008

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings10100%0
Severe thunderstorm warnings21767%367%23 min
Flash flood warnings2150%0

Each office's whole area, 2008

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Houston/Galveston, TX: tornado warnings18194%333%4 min
NWS Houston/Galveston, TX: severe thunderstorm warnings1594174%8568%20 min
NWS Houston/Galveston, TX: flash flood warnings17571%1070%80 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 1, 5:08 AM CSTRed Flag WarningHGX13 hr
Jan 2, 12:21 PM CSTRed Flag WarningHGX6 hr
Jan 6, 4:09 AM CSTDense Fog AdvisoryHGX4 hr
Jan 10, 1:35 AM CSTDense Fog AdvisoryHGX6 hr
Jan 19, 6:57 AM CSTRiver Flood WarningHGX38 hr
Jan 19, 9:07 AM CSTRiver Flood WarningHGX24 hr
Jan 21, 6:23 PM CSTDense Fog AdvisoryHGX14 hr
Jan 23, 8:55 PM CSTRiver Flood WarningHGX12 hr
Jan 28, 3:22 PM CSTRed Flag WarningHGX29 hr
Jan 31, 3:43 AM CSTWind AdvisoryHGX16 hr
Jan 31, 5:23 AM CSTMesoscale DiscussionSPC3 hr
Jan 31, 5:51 AM CSTTornado WatchSPC7 hr
Jan 31, 9:57 AM CSTMesoscale DiscussionSPC2 hr
Feb 5, 5:54 PM CSTMesoscale DiscussionSPC96 min
Feb 9, 12:56 AM CSTDense Fog AdvisoryHGX6 hr
Feb 10, 1:20 AM CSTDense Fog AdvisoryHGX7 hr
Feb 10, 8:34 AM CSTDense Fog AdvisoryHGX86 min
Feb 11, 1:34 PM CSTMesoscale DiscussionSPC116 min
Feb 16, 2:00 PM CSTMesoscale DiscussionSPC90 min
Feb 16, 2:26 PM CSTTornado WatchSPC6 hr
Feb 16, 5:57 PM CSTMesoscale DiscussionSPC2 hr
Feb 16, 8:25 PM CSTTornado WatchSPC6 hr
Feb 16, 9:01 PM CSTSevere Thunderstorm WarningHGX59 min
Feb 21, 3:22 AM CSTDense Fog AdvisoryHGX4 hr
Feb 21, 11:45 PM CSTDense Fog AdvisoryHGX3 hr
Feb 23, 9:27 PM CSTDense Fog AdvisoryHGX12 hr
Feb 24, 7:21 PM CSTDense Fog AdvisoryHGX15 hr
Feb 25, 10:47 AM CSTDense Fog AdvisoryHGX73 min
Feb 26, 4:05 AM CSTWind AdvisoryHGX16 hr
Mar 2, 10:36 AM CSTWind AdvisoryHGX10 hr
Mar 3, 6:47 AM CSTSevere Thunderstorm WatchSPC6 hr
Mar 3, 10:18 AM CSTMesoscale DiscussionSPC87 min
Mar 3, 10:52 AM CSTWind AdvisoryHGX17 hr
Mar 6, 12:09 PM CSTTornado WatchSPC6 hr
Mar 6, 2:00 PM CSTMesoscale DiscussionSPC90 min
Mar 6, 3:40 PM CSTWind AdvisoryHGX26 hr
Mar 6, 5:00 PM CSTMesoscale DiscussionSPC60 min
Mar 6, 5:35 PM CSTSevere Thunderstorm WarningHGX40 min
Mar 12, 6:01 AM CDTDense Fog AdvisoryHGX4 hr
Mar 16, 5:21 PM CDTWind AdvisoryHGX38 hr
Mar 18, 7:22 AM CDTMesoscale DiscussionSPC113 min
Mar 18, 9:32 AM CDTWind AdvisoryHGX21 hr
Mar 18, 10:59 AM CDTTornado Watch PDSSPC8 hr
Apr 7, 4:36 AM CDTDense Fog AdvisoryHGX5 hr
Apr 9, 9:29 PM CDTWind AdvisoryHGX9 hr
Apr 10, 3:25 AM CDTCoastal Flood AdvisoryHGX6 hr
Apr 17, 4:45 AM CDTWind AdvisoryHGX15 hr
Apr 18, 4:33 AM CDTSevere Thunderstorm WarningHGX42 min
Apr 26, 1:30 AM CDTSevere Thunderstorm WarningHGX45 min
Apr 26, 1:48 AM CDTSevere Thunderstorm WarningHGX42 min
Apr 26, 2:11 AM CDTMesoscale DiscussionSPC94 min
Apr 27, 3:21 PM CDTWind AdvisoryHGX15 hr
May 27, 5:14 PM CDTMesoscale DiscussionSPC2 hr
May 28, 6:46 PM CDTAreal Flood AdvisoryHGX45 min
Jun 5, 5:33 AM CDTWind AdvisoryHGX15 hr
Jun 5, 9:13 PM CDTWind AdvisoryHGX7 hr
Jun 10, 1:11 PM CDTMesoscale DiscussionSPC64 min
Jun 10, 1:38 PM CDTSevere Thunderstorm WarningHGX52 min
Jun 10, 2:07 PM CDTAreal Flood AdvisoryHGX113 min
Jun 17, 8:08 PM CDTSevere Thunderstorm WarningHGX26 min
Jun 18, 8:52 PM CDTSevere Thunderstorm WarningHGX23 min
Jun 19, 4:10 PM CDTSevere Thunderstorm WarningHGX53 min
Jun 19, 4:30 PM CDTSevere Thunderstorm WarningHGX31 min
Jun 19, 4:55 PM CDTAreal Flood AdvisoryHGX2 hr
Jun 20, 3:00 PM CDTSevere Thunderstorm WarningHGX19 min
Jun 21, 5:13 PM CDTSevere Thunderstorm WarningHGX47 min
Jun 21, 5:57 PM CDTSevere Thunderstorm WarningHGX48 min
Jun 21, 6:10 PM CDTSevere Thunderstorm WarningHGX50 min
Jun 21, 6:34 PM CDTSevere Thunderstorm WarningHGX41 min
Jun 21, 6:42 PM CDTTornado WarningHGX31 min
Jun 21, 6:44 PM CDTAreal Flood AdvisoryHGX2 hr
Jun 21, 6:48 PM CDTSevere Thunderstorm WarningHGX42 min
Jun 21, 7:25 PM CDTSevere Thunderstorm WarningHGX50 min
Jun 30, 2:27 PM CDTSevere Thunderstorm WarningHGX33 min
Jun 30, 3:11 PM CDTSevere Thunderstorm WarningHGX34 min
Jul 1, 3:28 PM CDTSevere Thunderstorm WarningHGX47 min
Jul 1, 4:23 PM CDTAreal Flood AdvisoryHGX62 min
Jul 21, 10:00 AM CDTTropical Storm WatchNHC12 hr
Jul 21, 11:49 AM CDTTropical Storm WatchHGX11 hr
Jul 21, 10:00 PM CDTTropical Storm WarningNHC66 hr
Jul 21, 10:46 PM CDTTropical Storm WarningHGX36 hr
Jul 23, 9:39 AM CDTTornado WatchSPC113 min
Jul 24, 6:24 AM CDTMesoscale DiscussionSPC96 min
Aug 3, 1:07 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 3, 4:00 PM CDTTropical Storm WatchNHC5 hr
Aug 3, 4:00 PM CDTTropical Storm WarningNHC47 hr
Aug 3, 5:49 PM CDTTropical Storm WatchHGX5 hr
Aug 3, 7:53 PM CDTSevere Thunderstorm WarningHGX37 min
Aug 3, 10:00 PM CDTHurricane WatchNHC36 hr
Aug 3, 10:49 PM CDTHurricane WatchHGX37 hr
Aug 4, 5:22 AM CDTTropical Storm WarningHGX35 hr
Aug 4, 5:31 AM CDTFlash Flood WatchHGX45 hr
Aug 16, 10:10 AM CDTAreal Flood AdvisoryHGX110 min
Aug 20, 2:51 PM CDTAreal Flood AdvisoryHGX114 min
Sep 7, 10:00 AM CDTHurricane WatchNHC4 days
Sep 8, 4:00 AM CDTTropical Storm WarningNHC6 days
Sep 10, 12:38 PM CDTHurricane Local StatementHGX5 hr
Sep 10, 5:28 PM CDTHurricane WatchHGX18 hr
Sep 11, 10:00 AM CDTHurricane WarningNHC48 hr
Sep 11, 11:34 AM CDTHurricane WarningHGX48 hr
Sep 11, 9:19 PM CDTFlood WatchHGX70 hr
Sep 12, 7:54 PM CDTTornado WatchSPC14 hr
Sep 13, 3:04 AM CDTAreal Flood AdvisoryHGX3 hr
Sep 13, 5:05 AM CDTFlash Flood WarningHGX3 hr
Sep 13, 7:01 AM CDTMesoscale DiscussionSPC119 min
Sep 13, 11:28 AM CDTTropical Storm WarningHGX5 hr
Sep 13, 4:34 PM CDTCoastal Flood StatementHGX46 hr
Sep 14, 8:36 AM CDTFlash Flood WarningHGX3 hr
Sep 23, 3:16 PM CDTCoastal Flood AdvisoryHGX21 hr
Sep 24, 3:24 PM CDTCoastal Flood StatementHGX15 hr
Oct 7, 7:47 AM CDTMesoscale DiscussionSPC88 min
Oct 22, 7:37 PM CDTAreal Flood AdvisoryHGX2 hr
Oct 22, 9:13 PM CDTWind AdvisoryHGX7 hr
Oct 26, 8:52 PM CDTWind AdvisoryHGX15 hr
Oct 27, 6:44 AM CDTRed Flag WarningHGX11 hr
Nov 1, 4:26 AM CDTDense Fog AdvisoryHGX5 hr
Nov 10, 10:33 PM CSTMesoscale DiscussionSPC117 min
Nov 11, 1:23 AM CSTMesoscale DiscussionSPC97 min
Nov 11, 5:21 PM CSTFlood WatchHGX16 hr
Nov 14, 7:42 AM CSTFire Weather WatchHGX20 hr
Nov 14, 5:58 PM CSTWind AdvisoryHGX21 hr
Nov 15, 3:53 AM CSTRed Flag WarningHGX12 hr
Nov 27, 12:42 AM CSTDense Fog AdvisoryHGX8 hr
Nov 30, 10:13 PM CSTRed Flag WarningHGX20 hr
Dec 9, 3:23 PM CSTWind AdvisoryHGX19 hr
Dec 10, 5:21 PM CSTWinter Weather AdvisoryHGX16 hr
Dec 16, 5:33 PM CSTDense Fog AdvisoryHGX12 hr
Dec 17, 6:19 AM CSTDense Fog AdvisoryHGX6 hr
Dec 17, 5:09 PM CSTDense Fog AdvisoryHGX19 hr
Dec 19, 8:35 PM CSTDense Fog AdvisoryHGX15 hr
Dec 21, 5:36 AM CSTWind AdvisoryHGX13 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 archive20072009

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.