Alert archive / Alabama / Geneva County

Weather alerts in Geneva County, Alabama, 2020

145 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Geneva County and its neighbors

Each county as a circle sized by its count in 2020. Tap one for its archive.

Alerts
145
Warnings
42
Watches
18
Advisories
23
Busiest month
April30 alerts
Busiest day
April 23, 202012 alerts

Over time

By month

Warning verification

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

1 of 4 tornado warnings covering Geneva County in 2020 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 2 minutes after it went out.

Geneva County, 2020

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings4175%1100%2 min
Severe thunderstorm warnings272411%1889%32 min
Flash flood warnings440%3100%467 min

Each office's whole area, 2020

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Tallahassee, FL: tornado warnings792371%4083%15 min
NWS Tallahassee, FL: severe thunderstorm warnings24417827%62393%32 min
NWS Tallahassee, FL: flash flood warnings37355%10596%547 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, 4:40 AM CSTMesoscale DiscussionSPC3 hr
Jan 10, 7:27 PM CSTWind AdvisoryTAE25 hr
Jan 11, 2:26 PM CSTMesoscale DiscussionSPC94 min
Jan 11, 2:44 PM CSTTornado WatchSPC5 hr
Jan 11, 2:49 PM CSTSevere Thunderstorm WarningTAE86 min
Jan 11, 4:04 PM CSTSevere Thunderstorm WarningTAE71 min
Jan 11, 4:45 PM CSTSevere Thunderstorm WarningTAE73 min
Jan 12, 6:26 PM CSTDense Fog AdvisoryTAE14 hr
Jan 13, 11:46 PM CSTDense Fog AdvisoryTAE8 hr
Jan 14, 9:46 PM CSTDense Fog AdvisoryTAE12 hr
Jan 16, 12:16 AM CSTDense Fog AdvisoryTAE8 hr
Feb 5, 1:53 AM CSTFlash Flood WatchTAE39 hr
Feb 5, 2:20 PM CSTSpecial Weather StatementTAE55 min
Feb 6, 12:29 AM CSTWind AdvisoryTAE20 hr
Feb 6, 2:02 AM CSTMesoscale DiscussionSPC88 min
Feb 6, 3:27 AM CSTTornado WatchSPC9 hr
Feb 6, 10:00 AM CSTMesoscale DiscussionSPC2 hr
Feb 6, 10:39 AM CSTSevere Thunderstorm WarningTAE51 min
Feb 6, 11:17 AM CSTTornado WatchSPC8 hr
Feb 11, 9:33 PM CSTDense Fog AdvisoryTAE13 hr
Feb 13, 7:06 AM CSTSpecial Weather StatementTAE39 min
Feb 17, 5:46 PM CSTDense Fog AdvisoryTAE15 hr
Mar 3, 1:40 PM CSTFlash Flood WatchTAE48 hr
Mar 4, 6:37 AM CSTMesoscale DiscussionSPC2 hr
Mar 4, 9:16 AM CSTTornado WatchSPC6 hr
Mar 4, 5:27 PM CSTSpecial Weather StatementTAE63 min
Mar 5, 2:26 AM CSTMesoscale DiscussionSPC3 hr
Mar 5, 4:14 AM CSTSevere Thunderstorm WarningTAE46 min
Mar 11, 2:24 AM CDTDense Fog AdvisoryTAE8 hr
Mar 13, 3:09 AM CDTDense Fog AdvisoryTAE6 hr
Mar 14, 3:09 AM CDTDense Fog AdvisoryTAE7 hr
Mar 18, 4:22 AM CDTDense Fog AdvisoryTAE5 hr
Mar 27, 4:12 AM CDTDense Fog AdvisoryTAE5 hr
Mar 28, 4:23 AM CDTDense Fog AdvisoryTAE5 hr
Mar 30, 1:12 PM CDTWind AdvisoryTAE30 hr
Mar 31, 8:51 AM CDTTornado WatchSPC6 hr
Mar 31, 10:18 AM CDTTornado WarningTAE27 min
Mar 31, 10:42 AM CDTMesoscale DiscussionSPC93 min
Mar 31, 11:08 AM CDTSevere Thunderstorm WarningTAE67 min
Mar 31, 12:05 PM CDTSevere Thunderstorm WarningTAE55 min
Mar 31, 12:09 PM CDTMesoscale DiscussionSPC96 min
Mar 31, 12:14 PM CDTSevere Thunderstorm WarningTAE61 min
Apr 8, 5:41 PM CDTMesoscale DiscussionSPC94 min
Apr 8, 6:03 PM CDTSpecial Weather StatementTAE42 min
Apr 8, 6:29 PM CDTSevere Thunderstorm WarningTAE46 min
Apr 11, 1:40 PM CDTWind AdvisoryTAE41 hr
Apr 12, 10:28 PM CDTMesoscale DiscussionSPC92 min
Apr 12, 10:45 PM CDTTornado WatchSPC8 hr
Apr 13, 12:04 AM CDTSevere Thunderstorm WarningTAE86 min
Apr 13, 1:21 AM CDTSevere Thunderstorm WarningTAE69 min
Apr 13, 2:09 AM CDTSevere Thunderstorm WarningTAE96 min
Apr 19, 9:53 PM CDTMesoscale DiscussionSPC67 min
Apr 19, 10:13 PM CDTTornado WatchSPC10 hr
Apr 19, 10:36 PM CDTSevere Thunderstorm WarningTAE84 min
Apr 19, 11:30 PM CDTTornado WarningTAE45 min
Apr 19, 11:49 PM CDTSevere Thunderstorm WarningTAE56 min
Apr 19, 11:55 PM CDTTornado WarningTAE20 min
Apr 20, 12:43 AM CDTSevere Thunderstorm WarningTAE47 min
Apr 23, 4:05 AM CDTTornado WatchSPC11 hr
Apr 23, 7:43 AM CDTMesoscale DiscussionSPC92 min
Apr 23, 8:22 AM CDTSevere Thunderstorm WarningTAE68 min
Apr 23, 8:48 AM CDTTornado WarningTAE27 min
Apr 23, 9:22 AM CDTSevere Thunderstorm WarningTAE38 min
Apr 23, 9:58 AM CDTSevere Thunderstorm WarningTAE47 min
Apr 23, 11:08 AM CDTAreal Flood AdvisoryTAE3 hr
Apr 23, 1:04 PM CDTFlash Flood WarningTAE3 hr
Apr 23, 1:13 PM CDTSevere Thunderstorm WarningTAE62 min
Apr 23, 1:52 PM CDTSevere Thunderstorm WarningTAE23 min
Apr 23, 3:19 PM CDTSevere Thunderstorm WarningTAE56 min
Apr 23, 3:46 PM CDTFlash Flood WarningTAE3 hr
Apr 29, 3:45 PM CDTSpecial Weather StatementTAE60 min
Apr 29, 4:55 PM CDTSpecial Weather StatementTAE50 min
May 27, 12:16 PM CDTMesoscale DiscussionSPC89 min
May 27, 3:24 PM CDTSevere Thunderstorm WarningTAE22 min
Jun 9, 12:21 PM CDTSpecial Weather StatementTAE39 min
Jun 9, 2:55 PM CDTSpecial Weather StatementTAE35 min
Jun 9, 4:25 PM CDTAreal Flood AdvisoryTAE65 min
Jun 9, 5:09 PM CDTFlash Flood WarningTAE3 hr
Jun 23, 12:10 PM CDTSpecial Weather StatementTAE50 min
Jun 23, 12:37 PM CDTSpecial Weather StatementTAE53 min
Jun 23, 1:54 PM CDTSevere Thunderstorm WarningTAE34 min
Jun 24, 1:10 PM CDTMesoscale DiscussionSPC2 hr
Jun 24, 1:36 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 24, 5:27 PM CDTMesoscale DiscussionSPC93 min
Jun 25, 1:09 PM CDTMesoscale DiscussionSPC2 hr
Jun 25, 1:34 PM CDTSpecial Weather StatementTAE41 min
Jun 25, 2:10 PM CDTSpecial Weather StatementTAE50 min
Jun 25, 3:21 PM CDTSpecial Weather StatementTAE54 min
Jun 28, 4:49 PM CDTSpecial Weather StatementTAE41 min
Jul 1, 12:40 PM CDTSpecial Weather StatementTAE65 min
Jul 1, 1:09 PM CDTSevere Thunderstorm WarningTAE51 min
Jul 1, 1:37 PM CDTSpecial Weather StatementTAE38 min
Jul 10, 2:43 AM CDTHeat AdvisoryTAE16 hr
Jul 12, 2:51 PM CDTMesoscale DiscussionSPC84 min
Jul 12, 3:40 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 12, 4:56 PM CDTSpecial Weather StatementTAE79 min
Jul 12, 6:15 PM CDTSpecial Weather StatementTAE90 min
Jul 12, 6:33 PM CDTSevere Thunderstorm WarningTAE57 min
Jul 14, 4:29 PM CDTSpecial Weather StatementTAE61 min
Jul 14, 5:23 PM CDTSpecial Weather StatementTAE37 min
Jul 15, 12:24 PM CDTMesoscale DiscussionSPC96 min
Jul 15, 1:11 PM CDTSpecial Weather StatementTAE34 min
Jul 22, 12:26 PM CDTMesoscale DiscussionSPC2 hr
Jul 22, 5:50 PM CDTSpecial Weather StatementTAE40 min
Jul 29, 1:27 PM CDTSpecial Weather StatementTAE48 min
Aug 10, 4:05 PM CDTSevere Thunderstorm WarningTAE40 min
Aug 10, 4:38 PM CDTSpecial Weather StatementTAE52 min
Aug 10, 5:33 PM CDTSpecial Weather StatementTAE42 min
Aug 11, 1:51 PM CDTSevere Thunderstorm WarningTAE54 min
Aug 19, 2:54 PM CDTSpecial Weather StatementTAE51 min
Aug 24, 2:40 PM CDTMesoscale DiscussionSPC3 hr
Aug 24, 8:05 PM CDTMesoscale DiscussionSPC85 min
Sep 11, 5:41 PM CDTSpecial Weather StatementTAE49 min
Sep 12, 1:55 PM CDTFlash Flood WatchTAE5 days
Sep 12, 10:18 PM CDTTropical Storm WarningTAE4 days
Sep 13, 5:46 PM CDTSpecial Weather StatementTAE44 min
Sep 13, 6:22 PM CDTSpecial Weather StatementTAE53 min
Sep 13, 6:59 PM CDTAreal Flood AdvisoryTAE3 hr
Sep 15, 6:17 AM CDTMesoscale DiscussionSPC2 hr
Sep 16, 4:14 AM CDTMesoscale DiscussionSPC2 hr
Sep 16, 5:55 AM CDTTornado WatchSPC14 hr
Sep 16, 6:51 AM CDTFlash Flood Warning Considerable damage threatTAE16 hr
Sep 16, 9:49 AM CDTRiver Flood WarningTAE6 days
Sep 16, 10:35 PM CDTAreal Flood WarningTAE11 hr
Sep 24, 9:44 AM CDTMesoscale DiscussionSPC2 hr
Oct 10, 11:13 AM CDTMesoscale DiscussionSPC2 hr
Oct 10, 12:47 PM CDTTornado WatchSPC7 hr
Oct 10, 3:54 PM CDTMesoscale DiscussionSPC96 min
Oct 27, 3:52 PM CDTTropical Storm WatchTAE12 hr
Oct 28, 4:02 AM CDTTropical Storm WarningTAE27 hr
Oct 28, 11:04 PM CDTMesoscale DiscussionSPC116 min
Oct 28, 11:34 PM CDTTornado WatchSPC7 hr
Oct 29, 2:11 AM CDTMesoscale DiscussionSPC94 min
Nov 26, 4:15 PM CSTSpecial Weather StatementTAE45 min
Nov 26, 8:29 PM CSTDense Fog AdvisoryTAE12 hr
Nov 29, 10:34 PM CSTSpecial Weather StatementTAE41 min
Nov 30, 1:39 AM CSTFreeze WarningTAE30 hr
Nov 30, 1:01 PM CSTFreeze WatchTAE13 hr
Dec 1, 1:43 AM CSTFreeze WarningTAE30 hr
Dec 10, 1:15 PM CSTDense Fog AdvisoryTAE20 hr
Dec 12, 10:38 PM CSTDense Fog AdvisoryTAE10 hr
Dec 14, 3:59 AM CSTSpecial Weather StatementTAE61 min
Dec 24, 6:00 AM CSTSpecial Weather StatementTAE45 min
Dec 24, 6:55 AM CSTSpecial Weather StatementTAE65 min
Dec 25, 12:31 PM CSTHard Freeze WarningTAE19 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 archive20192021

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.