Alert archive / Texas / Montgomery County

Weather alerts in Montgomery County, Texas, 2008

138 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Montgomery County and its neighbors

Each county as a circle sized by its count in 2008. Tap one for its archive.

Alerts
138
Warnings
60
Watches
17
Advisories
33
Busiest month
November24 alerts
Busiest day
September 13, 200813 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 7 tornado warnings covering Montgomery County in 2008 had a tornado report inside them.

Montgomery County, 2008

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings70100%0
Severe thunderstorm warnings26869%1173%13 min
Flash flood warnings7357%250%73 min

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 21, 6:23 PM CSTDense Fog AdvisoryHGX14 hr
Jan 28, 3:22 PM CSTRed Flag WarningHGX29 hr
Jan 30, 11:47 PM CSTMesoscale DiscussionSPC2 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, 8:32 AM CSTSevere Thunderstorm WarningHGX28 min
Jan 31, 8:54 AM CSTSevere Thunderstorm WarningHGX51 min
Feb 5, 5:54 PM CSTMesoscale DiscussionSPC96 min
Feb 5, 7:32 PM CSTSevere Thunderstorm WarningHGX43 min
Feb 5, 8:06 PM CSTSevere Thunderstorm WarningHGX22 min
Feb 10, 1:20 AM CSTDense Fog AdvisoryHGX7 hr
Feb 11, 1:34 PM CSTMesoscale DiscussionSPC116 min
Feb 12, 7:50 AM CSTMesoscale DiscussionSPC55 min
Feb 12, 11:25 AM CSTSevere Thunderstorm WarningHGX65 min
Feb 15, 10:28 PM CSTSevere Thunderstorm WarningHGX30 min
Feb 15, 10:38 PM CSTMesoscale DiscussionSPC97 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, 6:28 PM CSTTornado WarningHGX28 min
Feb 21, 1:41 PM CSTTornado WatchSPC7 hr
Feb 23, 9:27 PM CSTDense Fog AdvisoryHGX12 hr
Feb 24, 7:21 PM CSTDense Fog AdvisoryHGX15 hr
Feb 25, 3:08 PM CSTFire Weather WatchHGX25 hr
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 6, 3:40 PM CSTWind AdvisoryHGX26 hr
Mar 7, 5:46 AM CSTWinter Weather AdvisoryHGX4 hr
Mar 10, 11:11 AM CDTTornado WarningHGX19 min
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
Mar 18, 1:19 PM CDTMesoscale DiscussionSPC116 min
Mar 18, 3:54 PM CDTMesoscale DiscussionSPC2 hr
Mar 29, 3:14 PM CDTMesoscale DiscussionSPC2 hr
Apr 4, 5:34 AM CDTSevere Thunderstorm WatchSPC6 hr
Apr 4, 10:06 AM CDTSevere Thunderstorm WarningHGX39 min
Apr 4, 10:45 AM CDTSevere Thunderstorm WarningHGX45 min
Apr 4, 1:10 PM CDTSevere Thunderstorm WarningHGX50 min
Apr 7, 4:36 AM CDTDense Fog AdvisoryHGX5 hr
Apr 22, 3:06 PM CDTMesoscale DiscussionSPC2 hr
May 5, 8:16 AM CDTAreal Flood AdvisoryHGX3 hr
May 5, 9:45 AM CDTFlash Flood WatchHGX6 hr
May 5, 12:55 PM CDTAreal Flood AdvisoryHGX2 hr
May 5, 2:10 PM CDTFlash Flood WarningHGX2 hr
May 11, 1:39 AM CDTMesoscale DiscussionSPC96 min
May 14, 7:31 AM CDTMesoscale DiscussionSPC119 min
May 14, 7:50 AM CDTTornado WatchSPC7 hr
May 14, 8:38 AM CDTSevere Thunderstorm WarningHGX52 min
May 14, 10:03 AM CDTSevere Thunderstorm WarningHGX57 min
May 14, 10:13 AM CDTTornado WarningHGX47 min
May 14, 10:23 AM CDTMesoscale DiscussionSPC97 min
May 14, 10:38 AM CDTTornado WarningHGX52 min
May 15, 1:16 AM CDTTornado WatchSPC6 hr
May 15, 2:29 AM CDTTornado WarningHGX16 min
May 27, 4:45 PM CDTSevere Thunderstorm WarningHGX95 min
May 27, 5:14 PM CDTMesoscale DiscussionSPC2 hr
May 27, 5:19 PM CDTSevere Thunderstorm WarningHGX56 min
May 27, 5:47 PM CDTSevere Thunderstorm WarningHGX43 min
Jun 18, 11:12 PM CDTSevere Thunderstorm WarningHGX48 min
Jun 19, 9:32 AM CDTMesoscale DiscussionSPC118 min
Jun 21, 4:35 PM CDTSevere Thunderstorm WarningHGX40 min
Jun 24, 12:41 PM CDTSevere Thunderstorm WarningHGX49 min
Jun 25, 3:52 PM CDTSevere Thunderstorm WarningHGX23 min
Jun 25, 4:19 PM CDTSevere Thunderstorm WarningHGX41 min
Jun 26, 12:53 PM CDTSevere Thunderstorm WarningHGX37 min
Jun 26, 1:37 PM CDTSevere Thunderstorm WarningHGX23 min
Jun 28, 3:33 PM CDTSevere Thunderstorm WarningHGX27 min
Aug 3, 1:07 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 3, 3:45 PM CDTSevere Thunderstorm WarningHGX45 min
Aug 3, 4:21 PM CDTMesoscale DiscussionSPC54 min
Aug 3, 4:34 PM CDTSevere Thunderstorm WarningHGX41 min
Aug 3, 5:49 PM CDTInland Tropical Storm WatchHGX18 hr
Aug 4, 5:31 AM CDTFlash Flood WatchHGX45 hr
Aug 4, 12:06 PM CDTInland Tropical Storm WarningHGX28 hr
Aug 4, 6:32 PM CDTSevere Thunderstorm WarningHGX19 min
Aug 5, 9:46 AM CDTMesoscale DiscussionSPC89 min
Aug 5, 10:49 AM CDTAreal Flood AdvisoryHGX116 min
Aug 13, 5:03 AM CDTAreal Flood AdvisoryHGX68 min
Aug 21, 3:03 PM CDTAreal Flood AdvisoryHGX117 min
Sep 11, 4:19 PM CDTInland Hurricane WarningHGX43 hr
Sep 11, 9:19 PM CDTFlood WatchHGX70 hr
Sep 12, 5:55 PM CDTMesoscale DiscussionSPC2 hr
Sep 12, 7:54 PM CDTTornado WatchSPC14 hr
Sep 13, 7:01 AM CDTMesoscale DiscussionSPC119 min
Sep 13, 9:06 AM CDTFlash Flood WarningHGX3 hr
Sep 13, 9:29 AM CDTRiver Flood WarningHGX4 days
Sep 13, 9:29 AM CDTRiver Flood WarningHGX45 hr
Sep 13, 11:28 AM CDTInland Tropical Storm WarningHGX5 hr
Sep 13, 11:57 AM CDTFlash Flood WarningHGX3 hr
Sep 13, 1:59 PM CDTRiver Flood WarningHGX65 hr
Sep 13, 2:35 PM CDTFlash Flood WarningHGX115 min
Sep 13, 4:46 PM CDTTornado WarningHGX59 min
Sep 13, 4:47 PM CDTFlash Flood WarningHGX112 min
Sep 13, 5:15 PM CDTRiver Flood WarningHGX50 hr
Sep 13, 6:08 PM CDTRiver Flood WarningHGX3 days
Sep 14, 5:05 AM CDTAreal Flood AdvisoryHGX55 min
Sep 14, 8:36 AM CDTFlash Flood WarningHGX3 hr
Oct 15, 11:40 PM CDTAreal Flood AdvisoryHGX110 min
Oct 27, 6:44 AM CDTRed Flag WarningHGX11 hr
Oct 28, 3:48 PM CDTFreeze WarningHGX17 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, 10:21 AM CSTMesoscale DiscussionSPC54 min
Nov 11, 11:57 AM CSTAreal Flood AdvisoryHGX2 hr
Nov 11, 1:06 PM CSTMesoscale DiscussionSPC54 min
Nov 11, 2:52 PM CSTAreal Flood AdvisoryHGX113 min
Nov 11, 4:39 PM CSTAreal Flood AdvisoryHGX111 min
Nov 11, 5:21 PM CSTFlood WatchHGX16 hr
Nov 11, 6:32 PM CSTAreal Flood AdvisoryHGX118 min
Nov 11, 7:30 PM CSTRiver Flood WarningHGX24 hr
Nov 11, 8:25 PM CSTAreal Flood AdvisoryHGX2 hr
Nov 11, 9:26 PM CSTTornado WarningHGX49 min
Nov 11, 10:02 PM CSTAreal Flood AdvisoryHGX3 hr
Nov 11, 10:12 PM CSTFlash Flood WarningHGX3 hr
Nov 11, 11:28 PM CSTSevere Thunderstorm WarningHGX47 min
Nov 11, 11:40 PM CSTMesoscale DiscussionSPC3 hr
Nov 11, 11:48 PM CSTAreal Flood AdvisoryHGX117 min
Nov 12, 2:08 AM CSTRiver Flood WarningHGX42 hr
Nov 12, 9:10 AM CSTRiver Flood WarningHGX23 hr
Nov 12, 3:57 PM CSTRiver Flood WarningHGX9 hr
Nov 14, 7:42 AM CSTFire Weather WatchHGX20 hr
Nov 14, 9:32 AM CSTRiver Flood WarningHGX11 hr
Nov 15, 3:53 AM CSTRed Flag WarningHGX12 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 15, 11:08 AM CSTFreezing Rain AdvisoryHGX22 hr
Dec 17, 5:09 PM CSTDense Fog AdvisoryHGX19 hr
Dec 18, 10:03 AM CSTDense Fog AdvisoryHGX117 min
Dec 22, 3:42 PM CSTFreezing Rain AdvisoryHGX11 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.