Alert archive / Alabama / Clarke County

Weather alerts in Clarke County, Alabama, 2015

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

Clarke County and its neighbors

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

Alerts
172
Warnings
57
Watches
19
Advisories
41
Busiest month
July22 alerts
Busiest day
November 18, 20158 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 Clarke County in 2015 had a tornado report inside them.

Clarke County, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings10100%0
Severe thunderstorm warnings23674%1921%18 min
Flash flood warnings10100%0

Each office's whole area, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Mobile, AL: tornado warnings38392%3100%19 min
NWS Mobile, AL: severe thunderstorm warnings1854377%12960%22 min
NWS Mobile, AL: flash flood warnings321069%1688%76 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 3, 2:54 PM CSTMesoscale DiscussionSPC96 min
Jan 5, 10:41 AM CSTRiver Flood WarningMOB4 days
Jan 6, 4:22 AM CSTHard Freeze WatchMOB23 hr
Jan 6, 1:34 PM CSTFire Weather WatchMOB25 hr
Jan 7, 3:49 AM CSTHard Freeze WarningMOB30 hr
Jan 7, 3:49 AM CSTWind Chill AdvisoryMOB30 hr
Jan 7, 2:39 PM CSTRed Flag WarningMOB26 hr
Feb 6, 4:34 AM CSTRed Flag WarningMOB11 hr
Feb 7, 10:12 AM CSTRed Flag WarningMOB8 hr
Feb 12, 5:43 AM CSTFire Weather WatchMOB12 hr
Feb 12, 6:05 PM CSTRed Flag WarningMOB23 hr
Feb 14, 5:27 AM CSTFire Weather WatchMOB9 hr
Feb 14, 2:04 PM CSTRed Flag WarningMOB28 hr
Feb 16, 3:54 AM CSTWind AdvisoryMOB26 hr
Feb 17, 2:41 PM CSTFire Weather WatchMOB24 hr
Feb 18, 4:49 AM CSTHard Freeze WarningMOB27 hr
Feb 18, 4:49 AM CSTWind AdvisoryMOB13 hr
Feb 18, 5:04 AM CSTRed Flag WarningMOB13 hr
Feb 18, 2:40 PM CSTRed Flag WarningMOB26 hr
Feb 18, 3:09 PM CSTHard Freeze WatchMOB14 hr
Feb 19, 4:39 AM CSTHard Freeze WarningMOB27 hr
Feb 19, 2:25 PM CSTFire Weather WatchMOB16 hr
Feb 20, 7:36 AM CSTFreezing Rain AdvisoryMOB99 min
Feb 20, 2:48 PM CSTWind AdvisoryMOB28 hr
Feb 23, 7:56 PM CSTRiver Flood WarningMOB9 days
Feb 23, 7:56 PM CSTRiver Flood WarningMOB9 days
Mar 1, 4:02 PM CSTDense Fog AdvisoryMOB17 hr
Mar 2, 3:03 PM CSTDense Fog AdvisoryMOB18 hr
Mar 5, 8:59 AM CSTWind AdvisoryMOB13 hr
Mar 5, 3:04 PM CSTFreeze WarningMOB18 hr
Mar 6, 3:09 PM CSTFreeze WarningMOB16 hr
Mar 6, 3:14 PM CSTRed Flag WarningMOB26 hr
Mar 10, 9:53 AM CDTRiver Flood WarningMOB9 days
Mar 10, 9:53 AM CDTRiver Flood WarningMOB9 days
Mar 18, 11:33 PM CDTSevere Thunderstorm WarningMOB27 min
Mar 19, 1:52 AM CDTSpecial Weather StatementMOB23 min
Mar 21, 9:59 AM CDTRiver Flood WarningMOB12 days
Mar 21, 9:59 AM CDTRiver Flood WarningMOB11 days
Mar 22, 5:57 PM CDTMesoscale DiscussionSPC2 hr
Mar 22, 6:03 PM CDTSpecial Weather StatementMOB57 min
Mar 22, 6:07 PM CDTSevere Thunderstorm WarningMOB53 min
Mar 22, 6:08 PM CDTSevere Thunderstorm WarningMOB67 min
Mar 22, 6:46 PM CDTSevere Thunderstorm WarningMOB31 min
Mar 26, 2:48 PM CDTMesoscale DiscussionSPC2 hr
Apr 3, 3:09 AM CDTDense Fog AdvisoryMOB6 hr
Apr 6, 1:06 PM CDTMesoscale DiscussionSPC114 min
Apr 10, 12:05 PM CDTMesoscale DiscussionSPC85 min
Apr 10, 1:52 PM CDTSpecial Weather StatementMOB53 min
Apr 10, 3:38 PM CDTMesoscale DiscussionSPC97 min
Apr 11, 8:36 PM CDTRiver Flood WarningMOB11 days
Apr 11, 8:36 PM CDTRiver Flood WarningMOB11 days
Apr 14, 5:10 AM CDTFlash Flood WatchMOB4 days
Apr 14, 7:01 AM CDTDense Fog AdvisoryMOB3 hr
Apr 14, 12:24 PM CDTAreal Flood AdvisoryMOB6 hr
Apr 17, 9:04 AM CDTAreal Flood WarningMOB6 hr
Apr 17, 10:22 AM CDTRiver Flood WarningMOB10 days
Apr 17, 10:22 AM CDTRiver Flood WarningMOB10 days
Apr 18, 12:26 PM CDTFlash Flood WatchMOB22 hr
Apr 19, 2:06 AM CDTMesoscale DiscussionSPC84 min
Apr 25, 4:12 AM CDTMesoscale DiscussionSPC63 min
Apr 25, 5:00 AM CDTTornado WatchSPC7 hr
Apr 25, 1:36 PM CDTSevere Thunderstorm WatchSPC4 hr
Apr 25, 1:50 PM CDTMesoscale DiscussionSPC85 min
May 16, 2:02 AM CDTFlash Flood WarningMOB6 hr
May 16, 4:25 PM CDTAreal Flood AdvisoryMOB3 hr
May 18, 3:56 PM CDTSpecial Weather StatementMOB64 min
May 18, 4:11 PM CDTSpecial Weather StatementMOB64 min
May 19, 5:52 AM CDTDense Fog AdvisoryMOB111 min
May 20, 4:45 PM CDTSpecial Weather StatementMOB60 min
May 20, 5:02 PM CDTSpecial Weather StatementMOB58 min
May 25, 5:31 AM CDTAreal Flood AdvisoryMOB3 hr
May 25, 12:10 PM CDTAreal Flood AdvisoryMOB3 hr
May 26, 8:00 PM CDTDense Fog AdvisoryMOB8 hr
May 27, 12:44 PM CDTSpecial Weather StatementMOB61 min
May 30, 6:45 PM CDTSevere Thunderstorm WarningMOB22 min
May 31, 4:37 PM CDTSpecial Weather StatementMOB53 min
May 31, 6:25 PM CDTSpecial Weather StatementMOB65 min
Jun 9, 7:40 AM CDTAreal Flood AdvisoryMOB2 hr
Jun 13, 2:41 PM CDTSpecial Weather StatementMOB34 min
Jun 13, 3:00 PM CDTSevere Thunderstorm WarningMOB45 min
Jun 13, 3:22 PM CDTSevere Thunderstorm WarningMOB38 min
Jun 17, 7:39 PM CDTSpecial Weather StatementMOB21 min
Jun 22, 4:26 PM CDTSpecial Weather StatementMOB34 min
Jun 22, 4:58 PM CDTSpecial Weather StatementMOB47 min
Jun 23, 10:03 AM CDTHeat AdvisoryMOB8 hr
Jun 24, 11:07 PM CDTSevere Thunderstorm WarningMOB53 min
Jun 24, 11:59 PM CDTSpecial Weather StatementMOB61 min
Jun 30, 11:27 AM CDTSpecial Weather StatementMOB63 min
Jun 30, 11:38 AM CDTMesoscale DiscussionSPC97 min
Jun 30, 12:12 PM CDTTornado WarningMOB28 min
Jul 1, 6:10 PM CDTSpecial Weather StatementMOB50 min
Jul 4, 3:46 PM CDTSevere Thunderstorm WarningMOB59 min
Jul 4, 4:39 PM CDTSevere Thunderstorm WarningMOB51 min
Jul 5, 2:01 PM CDTSevere Thunderstorm WarningMOB44 min
Jul 12, 2:28 AM CDTHeat AdvisoryMOB17 hr
Jul 14, 2:08 AM CDTHeat AdvisoryMOB17 hr
Jul 16, 3:20 PM CDTHeat AdvisoryMOB28 hr
Jul 17, 3:33 PM CDTHeat AdvisoryMOB27 hr
Jul 18, 3:36 PM CDTHeat AdvisoryMOB27 hr
Jul 18, 3:36 PM CDTHeat AdvisoryMOB51 hr
Jul 19, 2:55 PM CDTSpecial Weather StatementMOB35 min
Jul 20, 3:24 AM CDTHeat AdvisoryMOB40 hr
Jul 21, 3:53 PM CDTHeat AdvisoryMOB27 hr
Jul 21, 7:17 PM CDTSpecial Weather StatementMOB58 min
Jul 21, 7:58 PM CDTSevere Thunderstorm WarningMOB62 min
Jul 24, 1:19 PM CDTSpecial Weather StatementMOB56 min
Jul 24, 2:29 PM CDTSpecial Weather StatementMOB61 min
Jul 28, 3:13 PM CDTHeat AdvisoryMOB28 hr
Jul 29, 2:12 PM CDTMesoscale DiscussionSPC2 hr
Jul 29, 2:48 PM CDTSpecial Weather StatementMOB42 min
Jul 30, 12:13 PM CDTHeat AdvisoryMOB6 hr
Jul 30, 4:22 PM CDTSpecial Weather StatementMOB53 min
Aug 5, 2:19 PM CDTSpecial Weather StatementMOB86 min
Aug 7, 1:30 PM CDTMesoscale DiscussionSPC45 min
Aug 7, 1:38 PM CDTSpecial Weather StatementMOB82 min
Aug 7, 2:36 PM CDTHeat AdvisoryMOB3 days
Aug 8, 1:31 PM CDTMesoscale DiscussionSPC59 min
Aug 8, 3:06 PM CDTSpecial Weather StatementMOB54 min
Aug 8, 3:51 PM CDTSpecial Weather StatementMOB54 min
Aug 8, 5:02 PM CDTSevere Thunderstorm WarningMOB58 min
Aug 8, 5:06 PM CDTSevere Thunderstorm WarningMOB54 min
Aug 18, 3:38 PM CDTMesoscale DiscussionSPC3 hr
Aug 20, 4:22 PM CDTSevere Thunderstorm WarningMOB38 min
Sep 5, 8:37 PM CDTSpecial Weather StatementMOB38 min
Oct 17, 4:12 AM CDTRed Flag WarningMOB14 hr
Oct 26, 4:19 AM CDTWind AdvisoryMOB15 hr
Oct 26, 7:32 AM CDTSpecial Weather StatementMOB3 hr
Oct 31, 4:13 AM CDTFlash Flood WatchMOB54 hr
Oct 31, 4:35 PM CDTMesoscale DiscussionSPC115 min
Oct 31, 4:57 PM CDTTornado WatchSPC4 hr
Oct 31, 5:23 PM CDTSevere Thunderstorm WarningMOB52 min
Oct 31, 5:26 PM CDTSevere Thunderstorm WarningMOB1 min
Oct 31, 6:10 PM CDTSevere Thunderstorm WarningMOB35 min
Oct 31, 6:11 PM CDTSevere Thunderstorm WarningMOB49 min
Oct 31, 7:01 PM CDTSpecial Weather StatementMOB44 min
Oct 31, 7:14 PM CDTMesoscale DiscussionSPC2 hr
Oct 31, 7:33 PM CDTSevere Thunderstorm WarningMOB15 min
Nov 2, 7:21 AM CSTDense Fog AdvisoryMOB114 min
Nov 4, 12:37 AM CSTDense Fog AdvisoryMOB7 hr
Nov 5, 3:57 AM CSTDense Fog AdvisoryMOB5 hr
Nov 6, 3:50 PM CSTDense Fog AdvisoryMOB17 hr
Nov 17, 10:38 AM CSTWind AdvisoryMOB27 hr
Nov 18, 1:14 AM CSTMesoscale DiscussionSPC2 hr
Nov 18, 2:49 AM CSTTornado WatchSPC6 hr
Nov 18, 5:21 AM CSTMesoscale DiscussionSPC114 min
Nov 18, 7:22 AM CSTMesoscale DiscussionSPC83 min
Nov 18, 7:25 AM CSTSpecial Weather StatementMOB65 min
Nov 18, 8:25 AM CSTTornado WatchSPC8 hr
Nov 18, 9:57 AM CSTRiver Flood WarningMOB24 hr
Nov 18, 9:59 AM CSTRiver Flood WarningMOB24 hr
Nov 18, 8:13 PM CSTDense Fog AdvisoryMOB13 hr
Nov 21, 4:04 AM CSTFreeze WatchMOB22 hr
Nov 22, 2:26 AM CSTFreeze WarningMOB30 hr
Dec 10, 5:45 AM CSTDense Fog AdvisoryMOB3 hr
Dec 12, 2:07 AM CSTDense Fog AdvisoryMOB7 hr
Dec 13, 1:07 PM CSTWind AdvisoryMOB15 hr
Dec 16, 4:50 PM CSTMesoscale DiscussionSPC2 hr
Dec 16, 9:10 PM CSTAreal Flood AdvisoryMOB3 hr
Dec 23, 1:17 PM CSTSevere Thunderstorm WarningMOB43 min
Dec 23, 1:33 PM CSTMesoscale DiscussionSPC57 min
Dec 23, 1:59 PM CSTSevere Thunderstorm WarningMOB46 min
Dec 23, 2:17 PM CSTTornado WatchSPC6 hr
Dec 23, 5:12 PM CSTMesoscale DiscussionSPC63 min
Dec 24, 9:16 PM CSTRiver Flood WarningMOB17 days
Dec 25, 12:50 PM CSTRiver Flood WarningMOB14 days
Dec 25, 12:50 PM CSTRiver Flood WarningMOB14 days
Dec 28, 6:41 AM CSTTornado WatchSPC5 hr
Dec 28, 6:57 AM CSTSpecial Weather StatementMOB63 min
Dec 28, 8:13 AM CSTSevere Thunderstorm WarningMOB62 min
Dec 28, 9:52 AM CSTSpecial Weather StatementMOB53 min
Dec 30, 6:14 AM CSTFlash Flood WatchMOB21 hr
Dec 30, 9:38 AM CSTAreal Flood AdvisoryMOB3 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.