Alert archive / Alabama / Coosa County

Weather alerts in Coosa County, Alabama, 2019

94 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Coosa County and its neighbors

Each county as a circle sized by its count in 2019. Tap one for its archive.

Alerts
94
Warnings
15
Watches
10
Advisories
26
Busiest month
March12 alerts
Busiest day
April 14, 20195 alerts

Over time

By month

Warning verification

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

3 of 4 tornado warnings covering Coosa County in 2019 had a tornado report inside them; 5 of 7 tornado reports fell inside a warning, on average 32 minutes after it went out.

Coosa County, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings4325%771%32 min
Severe thunderstorm warnings440%333%4 min
Flash flood warnings00

Each office's whole area, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Birmingham, AL: tornado warnings663350%9975%19 min
NWS Birmingham, AL: severe thunderstorm warnings16411132%52758%22 min
NWS Birmingham, AL: flash flood warnings6350%9100%46 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 17, 9:37 PM CSTDense Fog AdvisoryBMX12 hr
Jan 19, 3:25 AM CSTWind AdvisoryBMX33 hr
Jan 19, 9:43 AM CSTTornado WatchSPC7 hr
Jan 19, 11:37 AM CSTMesoscale DiscussionSPC83 min
Jan 19, 2:27 PM CSTTornado WarningBMX48 min
Jan 23, 4:19 AM CSTWind AdvisoryBMX16 hr
Jan 23, 4:33 PM CSTAreal Flood AdvisoryBMX3 hr
Jan 23, 5:48 PM CSTAreal Flood AdvisoryBMX3 hr
Jan 27, 3:14 PM CSTWinter Storm WatchBMX13 hr
Jan 28, 3:52 AM CSTWinter Weather AdvisoryBMX29 hr
Feb 3, 10:34 PM CSTDense Fog AdvisoryBMX11 hr
Feb 12, 9:38 AM CSTMesoscale DiscussionSPC2 hr
Feb 20, 10:24 PM CSTDense Fog AdvisoryBMX11 hr
Feb 21, 10:10 AM CSTRiver Flood WarningBMX12 days
Feb 21, 10:10 AM CSTRiver Flood WarningBMX21 days
Feb 21, 5:40 PM CSTMesoscale DiscussionSPC2 hr
Feb 21, 6:52 PM CSTSpecial Weather StatementBMX23 min
Feb 21, 7:48 PM CSTRiver Flood WarningBMX15 days
Feb 24, 2:04 AM CSTTornado WarningBMX26 min
Mar 3, 9:59 AM CSTMesoscale DiscussionSPC2 hr
Mar 3, 11:03 AM CSTTornado WatchSPC7 hr
Mar 4, 4:19 AM CSTFreeze WarningBMX3 days
Mar 14, 5:39 PM CDTMesoscale DiscussionSPC96 min
Mar 14, 6:41 PM CDTTornado WatchSPC5 hr
Mar 14, 7:42 PM CDTTornado WarningBMX48 min
Mar 14, 8:21 PM CDTTornado WarningBMX39 min
Mar 14, 8:57 PM CDTMesoscale DiscussionSPC2 hr
Mar 25, 4:43 PM CDTSevere Thunderstorm WatchSPC4 hr
Mar 25, 4:48 PM CDTMesoscale DiscussionSPC117 min
Mar 25, 5:22 PM CDTSevere Thunderstorm WarningBMX53 min
Mar 25, 7:04 PM CDTMesoscale DiscussionSPC116 min
Apr 6, 11:16 PM CDTSpecial Weather StatementBMX44 min
Apr 10, 12:38 AM CDTDense Fog AdvisoryBMX8 hr
Apr 13, 5:04 PM CDTMesoscale DiscussionSPC2 hr
Apr 14, 12:15 AM CDTWind AdvisoryBMX21 hr
Apr 14, 1:04 AM CDTTornado WatchSPC9 hr
Apr 14, 4:20 AM CDTMesoscale DiscussionSPC115 min
Apr 14, 5:36 AM CDTMesoscale DiscussionSPC54 min
Apr 14, 5:50 AM CDTSpecial Weather StatementBMX40 min
Apr 18, 3:12 PM CDTMesoscale DiscussionSPC2 hr
Apr 18, 3:49 PM CDTTornado WatchSPC7 hr
Apr 18, 7:52 PM CDTSpecial Weather StatementBMX53 min
May 4, 11:58 AM CDTMesoscale DiscussionSPC77 min
May 9, 12:03 PM CDTMesoscale DiscussionSPC57 min
May 9, 1:29 PM CDTSpecial Weather StatementBMX61 min
May 16, 7:29 PM CDTSpecial Weather StatementBMX46 min
Jun 7, 11:58 AM CDTMesoscale DiscussionSPC2 hr
Jun 7, 10:02 PM CDTSpecial Weather StatementBMX43 min
Jun 9, 5:19 AM CDTAreal Flood AdvisoryBMX116 min
Jun 16, 5:02 PM CDTSpecial Weather StatementBMX28 min
Jun 16, 5:48 PM CDTSpecial Weather StatementBMX42 min
Jun 20, 2:34 AM CDTMesoscale DiscussionSPC56 min
Jun 20, 3:36 AM CDTSpecial Weather StatementBMX54 min
Jun 20, 1:00 PM CDTSevere Thunderstorm WatchSPC8 hr
Jun 22, 1:27 PM CDTSevere Thunderstorm WatchSPC9 hr
Jun 22, 5:17 PM CDTSevere Thunderstorm WarningBMX43 min
Jun 26, 5:42 PM CDTSpecial Weather StatementBMX33 min
Jun 30, 4:20 AM CDTDense Fog AdvisoryBMX4 hr
Jul 7, 12:38 PM CDTSpecial Weather StatementBMX52 min
Jul 7, 12:48 PM CDTMesoscale DiscussionSPC117 min
Jul 7, 1:23 PM CDTSpecial Weather StatementBMX52 min
Jul 9, 3:04 AM CDTHeat AdvisoryBMX16 hr
Jul 9, 3:02 PM CDTHeat AdvisoryBMX28 hr
Jul 9, 3:39 PM CDTSpecial Weather StatementBMX36 min
Jul 19, 11:54 AM CDTAreal Flood AdvisoryBMX2 hr
Jul 19, 1:46 PM CDTSpecial Weather StatementBMX29 min
Jul 19, 2:03 PM CDTAreal Flood AdvisoryBMX117 min
Jul 31, 1:49 PM CDTSpecial Weather StatementBMX26 min
Aug 1, 11:57 AM CDTSpecial Weather StatementBMX33 min
Aug 1, 1:07 PM CDTSpecial Weather StatementBMX23 min
Aug 1, 1:31 PM CDTSpecial Weather StatementBMX29 min
Aug 3, 2:20 PM CDTSpecial Weather StatementBMX25 min
Aug 3, 2:44 PM CDTSpecial Weather StatementBMX31 min
Aug 4, 4:06 PM CDTSpecial Weather StatementBMX24 min
Aug 10, 4:03 PM CDTHeat AdvisoryBMX4 days
Aug 12, 2:19 PM CDTExcessive Heat WarningBMX31 hr
Aug 13, 3:14 AM CDTHeat AdvisoryBMX39 hr
Aug 23, 4:13 PM CDTSpecial Weather StatementBMX32 min
Aug 27, 7:01 PM CDTSpecial Weather StatementBMX44 min
Aug 27, 7:22 PM CDTSpecial Weather StatementBMX23 min
Sep 9, 2:53 PM CDTSevere Thunderstorm WarningBMX35 min
Oct 26, 4:27 AM CDTWind AdvisoryBMX14 hr
Oct 27, 9:53 PM CDTDense Fog AdvisoryBMX13 hr
Nov 1, 3:59 AM CDTFrost AdvisoryBMX29 hr
Nov 2, 1:22 PM CDTFrost AdvisoryBMX20 hr
Nov 8, 2:41 AM CSTFreeze WarningBMX29 hr
Nov 9, 12:49 PM CSTFrost AdvisoryBMX18 hr
Nov 11, 3:28 AM CSTFreeze WarningBMX55 hr
Nov 11, 1:28 PM CSTWind AdvisoryBMX28 hr
Dec 1, 1:06 AM CSTSpecial Weather StatementBMX69 min
Dec 7, 12:38 AM CSTDense Fog AdvisoryBMX5 hr
Dec 16, 9:47 PM CSTTornado WatchSPC6 hr
Dec 16, 10:21 PM CSTSevere Thunderstorm WarningBMX39 min
Dec 22, 3:53 AM CSTWind AdvisoryBMX20 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 archive20182020

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.