Alert archive / Alabama / Houston County

Weather alerts in Houston County, Alabama, 2015

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

Houston County and its neighbors

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

Alerts
141
Warnings
55
Watches
24
Advisories
29
Busiest month
July24 alerts
Busiest day
February 18, 20156 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 2 tornado warnings covering Houston County in 2015 had a tornado report inside them.

Houston County, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings20100%0
Severe thunderstorm warnings332621%3987%23 min
Flash flood warnings220%3100%61 min

Each office's whole area, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Tallahassee, FL: tornado warnings48981%2361%7 min
NWS Tallahassee, FL: severe thunderstorm warnings47330835%77490%23 min
NWS Tallahassee, FL: flash flood warnings372241%6195%105 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, 6:18 AM CSTSevere Thunderstorm WarningTAE27 min
Jan 6, 2:51 PM CSTHard Freeze WatchTAE11 hr
Jan 7, 1:23 AM CSTWind Chill AdvisoryTAE35 hr
Jan 7, 1:29 AM CSTHard Freeze WarningTAE35 hr
Jan 7, 2:33 PM CSTRed Flag WarningTAE27 hr
Jan 8, 12:58 PM CSTHard Freeze WarningTAE19 hr
Jan 12, 4:59 PM CSTDense Fog AdvisoryTAE12 hr
Jan 21, 4:16 AM CSTDense Fog AdvisoryTAE5 hr
Feb 9, 12:58 PM CSTSpecial Weather StatementTAE47 min
Feb 12, 2:51 AM CSTFire Weather WatchTAE11 hr
Feb 12, 2:02 PM CSTRed Flag WarningTAE27 hr
Feb 14, 2:27 AM CSTFire Weather WatchTAE12 hr
Feb 14, 2:18 PM CSTRed Flag WarningTAE27 hr
Feb 18, 1:45 AM CSTHard Freeze WatchTAE24 hr
Feb 18, 1:45 AM CSTHard Freeze WarningTAE31 hr
Feb 18, 4:28 AM CSTFire Weather WatchTAE10 hr
Feb 18, 4:28 AM CSTRed Flag WarningTAE13 hr
Feb 18, 1:05 PM CSTWind Chill AdvisoryTAE20 hr
Feb 18, 2:05 PM CSTRed Flag WarningTAE28 hr
Feb 19, 2:06 AM CSTHard Freeze WarningTAE30 hr
Feb 19, 2:11 AM CSTFire Weather WatchTAE12 hr
Feb 19, 2:23 PM CSTRed Flag WarningTAE28 hr
Mar 2, 5:10 AM CSTDense Fog AdvisoryTAE4 hr
Mar 3, 12:32 AM CSTDense Fog AdvisoryTAE8 hr
Mar 6, 3:19 AM CSTFreeze WatchTAE10 hr
Mar 6, 1:21 PM CSTFreeze WarningTAE19 hr
Mar 7, 2:05 AM CSTRed Flag WarningTAE16 hr
Mar 11, 4:23 AM CDTDense Fog AdvisoryTAE6 hr
Mar 11, 2:15 PM CDTSpecial Weather StatementTAE30 min
Mar 11, 2:37 PM CDTSpecial Weather StatementTAE23 min
Mar 11, 2:52 PM CDTSevere Thunderstorm WarningTAE23 min
Mar 12, 12:16 AM CDTDense Fog AdvisoryTAE9 hr
Mar 22, 5:57 PM CDTMesoscale DiscussionSPC2 hr
Mar 22, 10:58 PM CDTSpecial Weather StatementTAE47 min
Mar 31, 5:23 AM CDTDense Fog AdvisoryTAE4 hr
Apr 3, 3:39 AM CDTDense Fog AdvisoryTAE5 hr
Apr 10, 3:38 PM CDTMesoscale DiscussionSPC97 min
Apr 14, 4:47 PM CDTMesoscale DiscussionSPC88 min
Apr 18, 3:08 PM CDTFlash Flood WatchTAE23 hr
Apr 19, 5:51 AM CDTMesoscale DiscussionSPC114 min
Apr 19, 6:57 AM CDTTornado WatchSPC7 hr
Apr 19, 9:52 AM CDTTornado WarningTAE23 min
Apr 19, 10:11 AM CDTTornado WarningTAE34 min
Apr 25, 5:00 AM CDTTornado WatchSPC7 hr
Apr 25, 7:41 AM CDTMesoscale DiscussionSPC94 min
Apr 25, 3:07 PM CDTSevere Thunderstorm WatchSPC7 hr
Apr 25, 5:08 PM CDTSevere Thunderstorm WarningTAE67 min
May 20, 7:20 PM CDTMesoscale DiscussionSPC85 min
May 26, 12:09 PM CDTSevere Thunderstorm WarningTAE33 min
May 27, 4:37 PM CDTSevere Thunderstorm WarningTAE23 min
May 27, 4:40 PM CDTSevere Thunderstorm WarningTAE15 min
May 27, 4:53 PM CDTSevere Thunderstorm WarningTAE37 min
Jun 3, 4:50 PM CDTMesoscale DiscussionSPC115 min
Jun 10, 7:55 PM CDTSevere Thunderstorm WarningTAE50 min
Jun 21, 1:24 PM CDTMesoscale DiscussionSPC2 hr
Jun 21, 5:33 PM CDTSpecial Weather StatementTAE42 min
Jun 22, 2:56 PM CDTHeat AdvisoryTAE26 hr
Jun 23, 2:24 PM CDTMesoscale DiscussionSPC96 min
Jun 23, 4:39 PM CDTSevere Thunderstorm WarningTAE51 min
Jun 23, 5:01 PM CDTSevere Thunderstorm WarningTAE44 min
Jun 27, 4:05 PM CDTSevere Thunderstorm WarningTAE38 min
Jun 30, 11:17 AM CDTMesoscale DiscussionSPC88 min
Jun 30, 1:06 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 30, 1:54 PM CDTSevere Thunderstorm WarningTAE51 min
Jul 2, 11:47 AM CDTSevere Thunderstorm WarningTAE58 min
Jul 2, 12:48 PM CDTSevere Thunderstorm WarningTAE42 min
Jul 3, 7:03 PM CDTSevere Thunderstorm WarningTAE27 min
Jul 4, 6:10 PM CDTMesoscale DiscussionSPC2 hr
Jul 4, 6:40 PM CDTSevere Thunderstorm WarningTAE65 min
Jul 4, 7:24 PM CDTSevere Thunderstorm WarningTAE51 min
Jul 5, 8:55 AM CDTSevere Thunderstorm WarningTAE65 min
Jul 11, 1:24 AM CDTHeat AdvisoryTAE18 hr
Jul 11, 2:34 PM CDTHeat AdvisoryTAE27 hr
Jul 13, 1:12 PM CDTSevere Thunderstorm WarningTAE48 min
Jul 13, 2:13 PM CDTSevere Thunderstorm WarningTAE62 min
Jul 14, 2:40 AM CDTHeat AdvisoryTAE15 hr
Jul 18, 1:21 AM CDTHeat AdvisoryTAE18 hr
Jul 19, 1:48 AM CDTHeat AdvisoryTAE17 hr
Jul 20, 4:26 PM CDTSevere Thunderstorm WarningTAE34 min
Jul 21, 2:14 AM CDTHeat AdvisoryTAE16 hr
Jul 21, 2:49 PM CDTSevere Thunderstorm WarningTAE41 min
Jul 21, 3:54 PM CDTSevere Thunderstorm WarningTAE50 min
Jul 22, 2:15 AM CDTHeat AdvisoryTAE16 hr
Jul 22, 4:07 PM CDTSevere Thunderstorm WarningTAE38 min
Jul 24, 3:19 PM CDTSpecial Weather StatementTAE41 min
Jul 24, 3:24 PM CDTSevere Thunderstorm WarningTAE34 min
Jul 29, 1:52 AM CDTHeat AdvisoryTAE15 hr
Jul 29, 3:58 PM CDTSevere Thunderstorm WarningTAE47 min
Aug 7, 3:03 PM CDTSevere Thunderstorm WarningTAE27 min
Aug 7, 3:51 PM CDTSevere Thunderstorm WarningTAE39 min
Aug 7, 4:19 PM CDTSevere Thunderstorm WarningTAE41 min
Aug 8, 2:47 AM CDTHeat AdvisoryTAE15 hr
Aug 8, 1:31 PM CDTMesoscale DiscussionSPC59 min
Aug 21, 6:35 PM CDTSevere Thunderstorm WarningTAE40 min
Aug 21, 6:54 PM CDTSpecial Weather StatementTAE51 min
Aug 21, 7:02 PM CDTSevere Thunderstorm WarningTAE28 min
Sep 10, 1:23 PM CDTSpecial Weather StatementTAE37 min
Sep 10, 1:38 PM CDTSevere Thunderstorm WarningTAE22 min
Sep 10, 5:12 PM CDTSpecial Weather StatementTAE33 min
Sep 10, 5:43 PM CDTSevere Thunderstorm WarningTAE47 min
Sep 22, 3:37 PM CDTSpecial Weather StatementTAE23 min
Sep 28, 3:25 AM CDTFlash Flood WatchTAE23 hr
Sep 29, 1:35 AM CDTFlash Flood WarningTAE2 hr
Oct 12, 5:54 AM CDTDense Fog AdvisoryTAE3 hr
Oct 17, 2:36 AM CDTRed Flag WarningTAE15 hr
Oct 29, 3:43 AM CDTDense Fog AdvisoryTAE5 hr
Nov 1, 1:51 AM CDTMesoscale DiscussionSPC114 min
Nov 1, 2:41 AM CSTFlash Flood WarningTAE94 min
Nov 1, 1:28 PM CSTFlash Flood WatchTAE27 hr
Nov 2, 1:28 AM CSTMesoscale DiscussionSPC2 hr
Nov 2, 5:46 AM CSTMesoscale DiscussionSPC2 hr
Nov 6, 2:57 AM CSTDense Fog AdvisoryTAE2 hr
Nov 7, 1:32 AM CSTDense Fog AdvisoryTAE6 hr
Nov 8, 11:13 AM CSTFlood WatchTAE22 hr
Nov 12, 5:08 AM CSTDense Fog AdvisoryTAE4 hr
Nov 18, 8:25 AM CSTTornado WatchSPC8 hr
Nov 18, 10:51 AM CSTMesoscale DiscussionSPC114 min
Nov 18, 1:39 PM CSTMesoscale DiscussionSPC2 hr
Nov 18, 2:16 PM CSTTornado WatchSPC6 hr
Nov 18, 4:36 PM CSTSpecial Weather StatementTAE54 min
Nov 21, 1:52 PM CSTFreeze WatchTAE23 hr
Nov 22, 1:11 PM CSTFreeze WarningTAE18 hr
Nov 23, 1:51 AM CSTFrost AdvisoryTAE30 hr
Nov 23, 8:37 PM CSTFreeze WarningTAE11 hr
Nov 30, 2:20 AM CSTDense Fog AdvisoryTAE6 hr
Dec 12, 3:11 AM CSTDense Fog AdvisoryTAE5 hr
Dec 17, 3:21 AM CSTMesoscale DiscussionSPC114 min
Dec 18, 2:28 AM CSTFreeze WatchTAE11 hr
Dec 18, 1:18 PM CSTFreeze WarningTAE19 hr
Dec 19, 2:14 AM CSTFreeze WatchTAE11 hr
Dec 19, 1:01 PM CSTFreeze WarningTAE19 hr
Dec 21, 2:19 AM CSTFlash Flood WatchTAE61 hr
Dec 23, 11:42 AM CSTMesoscale DiscussionSPC93 min
Dec 24, 3:10 AM CSTMesoscale DiscussionSPC2 hr
Dec 24, 4:09 AM CSTTornado WatchSPC7 hr
Dec 24, 8:55 AM CSTRiver Flood WarningTAE11 days
Dec 26, 1:04 AM CSTDense Fog AdvisoryTAE8 hr
Dec 28, 10:21 AM CSTMesoscale DiscussionSPC84 min
Dec 28, 11:04 AM CSTTornado WatchSPC7 hr
Dec 28, 5:07 PM CSTMesoscale DiscussionSPC53 min
Dec 30, 8:41 AM CSTFlash Flood WatchTAE27 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 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.