Alert archive / Georgia / Henry County

Weather alerts in Henry County, Georgia, 2024

119 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Henry County and its neighbors

Each county as a circle sized by its count in 2024. Tap one for its archive.

Alerts
119
Warnings
37
Watches
12
Advisories
32
Busiest month
July25 alerts
Busiest day
July 31, 202411 alerts

Over time

By month

Warning verification

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

Henry County, 2024

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings211814%1191%28 min
Flash flood warnings8713%5100%312 min

Each office's whole area, 2024

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Atlanta, GA: tornado warnings39879%2339%9 min
NWS Atlanta, GA: severe thunderstorm warnings29817242%90162%20 min
NWS Atlanta, GA: flash flood warnings743947%14766%167 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, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Jan 8, 5:30 AM ESTWind AdvisoryFFC44 hr
Jan 8, 10:44 AM ESTFlood WatchFFC28 hr
Jan 9, 8:01 AM ESTAreal Flood WarningFFC6 hr
Jan 9, 8:46 AM ESTFlash Flood WarningFFC6 hr
Jan 9, 10:03 AM ESTAreal Flood WarningFFC6 hr
Jan 10, 5:51 AM ESTRiver Flood WarningFFC9 hr
Jan 11, 3:15 AM ESTWind AdvisoryFFC46 hr
Jan 15, 7:52 PM ESTWind Chill AdvisoryFFC38 hr
Jan 18, 7:50 PM ESTWind Chill AdvisoryFFC40 hr
Jan 19, 2:38 PM ESTWind Chill AdvisoryFFC43 hr
Jan 23, 2:25 PM ESTFlood WatchFFC4 days
Jan 24, 5:42 PM ESTDense Fog AdvisoryFFC5 hr
Jan 25, 5:58 PM ESTSpecial Weather StatementFFC32 min
Jan 25, 6:32 PM ESTSpecial Weather StatementFFC28 min
Jan 27, 9:18 PM ESTSpecial Weather StatementFFC27 min
Feb 4, 2:51 AM ESTWind AdvisoryFFC22 hr
Feb 11, 11:02 AM ESTFlood WatchFFC32 hr
Feb 12, 3:17 AM ESTFlash Flood WarningFFC6 hr
Feb 12, 2:29 PM ESTWind AdvisoryFFC22 hr
Feb 24, 3:40 AM ESTWind AdvisoryFFC15 hr
Feb 27, 2:05 PM ESTWind AdvisoryFFC32 hr
Feb 28, 2:59 PM ESTMesoscale DiscussionSPC2 hr
Feb 28, 3:26 PM ESTSevere Thunderstorm WarningFFC49 min
Feb 28, 3:55 PM ESTSevere Thunderstorm WarningFFC50 min
Feb 28, 4:12 PM ESTSevere Thunderstorm WarningFFC48 min
Mar 2, 1:25 AM ESTDense Fog AdvisoryFFC9 hr
Mar 2, 11:51 PM ESTDense Fog AdvisoryFFC9 hr
Mar 3, 9:04 AM ESTDense Fog AdvisoryFFC2 hr
Mar 6, 3:33 AM ESTFlash Flood WarningFFC6 hr
Mar 7, 2:58 AM ESTFlood WatchFFC57 hr
Mar 10, 3:52 AM EDTFreeze WarningFFC29 hr
Mar 11, 2:15 PM EDTFrost AdvisoryFFC18 hr
Mar 17, 4:50 AM EDTFreeze WatchFFC22 hr
Mar 18, 3:04 AM EDTFreeze WarningFFC30 hr
Apr 2, 7:57 PM EDTTornado WatchSPC8 hr
Apr 3, 1:17 AM EDTFlash Flood WarningFFC6 hr
Apr 3, 2:12 AM EDTSpecial Weather StatementFFC48 min
Apr 4, 3:30 AM EDTWind AdvisoryFFC17 hr
Apr 10, 9:49 PM EDTSpecial Weather StatementFFC86 min
Apr 10, 10:27 PM EDTWind AdvisoryFFC22 hr
Apr 12, 3:47 AM EDTWind AdvisoryFFC16 hr
Apr 19, 4:29 PM EDTMesoscale DiscussionSPC2 hr
Apr 19, 4:55 PM EDTMesoscale DiscussionSPC2 hr
May 5, 1:16 AM EDTDense Fog AdvisoryFFC9 hr
May 9, 5:45 AM EDTTornado WatchSPC9 hr
May 9, 8:48 AM EDTMesoscale DiscussionSPC117 min
May 25, 11:15 AM EDTSpecial Weather StatementFFC30 min
May 25, 11:50 AM EDTSpecial Weather StatementFFC40 min
May 27, 6:13 AM EDTMesoscale DiscussionSPC2 hr
May 27, 7:13 AM EDTSevere Thunderstorm WatchSPC7 hr
May 27, 7:32 AM EDTSpecial Weather StatementFFC28 min
May 27, 8:00 AM EDTSpecial Weather StatementFFC30 min
May 27, 8:27 AM EDTSevere Thunderstorm WarningFFC48 min
May 27, 9:09 AM EDTSevere Thunderstorm WarningFFC36 min
May 27, 6:01 PM EDTSpecial Weather StatementFFC44 min
May 27, 6:20 PM EDTSevere Thunderstorm WarningFFC40 min
Jun 6, 12:45 AM EDTSpecial Weather StatementFFC30 min
Jun 6, 1:17 AM EDTSpecial Weather StatementFFC28 min
Jun 9, 11:05 PM EDTSpecial Weather StatementFFC25 min
Jun 10, 2:55 AM EDTSpecial Weather StatementFFC35 min
Jun 10, 3:24 AM EDTSpecial Weather StatementFFC36 min
Jul 3, 3:31 AM EDTHeat AdvisoryFFC39 hr
Jul 4, 2:07 PM EDTHeat AdvisoryFFC30 hr
Jul 5, 2:15 PM EDTHeat AdvisoryFFC30 hr
Jul 5, 4:44 PM EDTSpecial Weather StatementFFC31 min
Jul 7, 10:45 PM EDTSpecial Weather StatementFFC30 min
Jul 9, 3:08 AM EDTHeat AdvisoryFFC17 hr
Jul 18, 4:24 PM EDTSpecial Weather StatementFFC36 min
Jul 23, 9:16 PM EDTSpecial Weather StatementFFC29 min
Jul 23, 9:27 PM EDTSevere Thunderstorm WarningFFC33 min
Jul 29, 3:10 PM EDTSpecial Weather StatementFFC35 min
Jul 29, 6:46 PM EDTSevere Thunderstorm WarningFFC44 min
Jul 29, 8:44 PM EDTSevere Thunderstorm WarningFFC46 min
Jul 30, 2:28 PM EDTHeat AdvisoryFFC30 hr
Jul 30, 7:27 PM EDTMesoscale DiscussionSPC2 hr
Jul 30, 8:45 PM EDTSpecial Weather StatementFFC30 min
Jul 30, 8:56 PM EDTSevere Thunderstorm WarningFFC32 min
Jul 30, 9:15 PM EDTSevere Thunderstorm WarningFFC45 min
Jul 30, 9:28 PM EDTSevere Thunderstorm WarningFFC35 min
Jul 30, 9:33 PM EDTSpecial Weather StatementFFC27 min
Jul 31, 2:25 PM EDTHeat AdvisoryFFC31 hr
Jul 31, 3:16 PM EDTSpecial Weather StatementFFC29 min
Jul 31, 3:30 PM EDTSpecial Weather StatementFFC30 min
Jul 31, 3:38 PM EDTSevere Thunderstorm WarningFFC40 min
Jul 31, 3:59 PM EDTSpecial Weather StatementFFC31 min
Jul 31, 4:29 PM EDTSpecial Weather StatementFFC31 min
Aug 17, 7:21 PM EDTSpecial Weather StatementFFC24 min
Aug 17, 8:15 PM EDTSevere Thunderstorm WarningFFC45 min
Aug 17, 8:21 PM EDTMesoscale DiscussionSPC54 min
Aug 17, 8:50 PM EDTSevere Thunderstorm WarningFFC40 min
Aug 18, 3:21 PM EDTMesoscale DiscussionSPC84 min
Aug 18, 3:40 PM EDTSevere Thunderstorm WatchSPC7 hr
Aug 18, 3:48 PM EDTSevere Thunderstorm WarningFFC42 min
Aug 18, 4:11 PM EDTSevere Thunderstorm WarningFFC49 min
Aug 18, 4:35 PM EDTSevere Thunderstorm WarningFFC40 min
Aug 18, 5:49 PM EDTSevere Thunderstorm WarningFFC41 min
Sep 24, 3:26 PM EDTFlood WatchFFC71 hr
Sep 25, 5:14 AM EDTTropical Storm WatchFFC12 hr
Sep 25, 11:11 AM EDTTropical Storm WarningFFC48 hr
Sep 26, 3:11 PM EDTFlash Flood WarningFFC6 hr
Sep 26, 3:18 PM EDTFlash Flood WarningFFC6 hr
Sep 26, 9:20 PM EDTFlash Flood WarningFFC10 hr
Sep 26, 11:27 PM EDTSpecial Weather StatementFFC33 min
Sep 27, 12:04 AM EDTSpecial Weather StatementFFC26 min
Sep 27, 6:43 AM EDTFlash Flood Warning Considerable damage threatFFC8 hr
Sep 27, 6:53 AM EDTRiver Flood WarningFFC5 hr
Sep 27, 10:00 AM EDTRiver Flood WarningFFC35 hr
Sep 27, 10:57 AM EDTWind AdvisoryFFC16 hr
Oct 16, 3:09 AM EDTFrost AdvisoryFFC30 hr
Nov 8, 10:42 PM ESTDense Fog AdvisoryFFC11 hr
Nov 11, 2:11 AM ESTDense Fog AdvisoryFFC8 hr
Nov 21, 2:48 PM ESTWind AdvisoryFFC3 hr
Dec 11, 10:47 AM ESTWind AdvisoryFFC8 hr
Dec 18, 3:06 AM ESTDense Fog AdvisoryFFC8 hr
Dec 27, 9:07 PM ESTDense Fog AdvisoryFFC13 hr
Dec 29, 1:54 AM ESTTornado WatchSPC7 hr
Dec 29, 4:02 AM ESTSevere Thunderstorm WarningFFC58 min
Dec 29, 4:06 AM ESTMesoscale DiscussionSPC84 min
Dec 29, 4:53 AM ESTSevere Thunderstorm WarningFFC67 min

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 archive20232025

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.