Alert archive / Georgia / McDuffie County

Weather alerts in McDuffie County, Georgia, 2023

102 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

McDuffie County and its neighbors

Each county as a circle sized by its count in 2023. Tap one for its archive.

Alerts
102
Warnings
18
Watches
14
Advisories
30
Busiest month
March23 alerts
Busiest day
March 26, 20236 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 McDuffie County in 2023 had a tornado report inside them.

McDuffie County, 2023

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings10100%0
Severe thunderstorm warnings10910%7100%23 min
Flash flood warnings00

Each office's whole area, 2023

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Columbia, SC: tornado warnings9367%757%7 min
NWS Columbia, SC: severe thunderstorm warnings1168923%37881%23 min
NWS Columbia, SC: flash flood warnings141121%3090%77 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 1, 10:47 PM ESTDense Fog AdvisoryCAE11 hr
Jan 4, 8:36 AM ESTTornado WatchSPC9 hr
Jan 4, 8:46 AM ESTSpecial Weather StatementCAE44 min
Jan 4, 9:21 AM ESTSevere Thunderstorm WarningCAE54 min
Jan 12, 2:51 AM ESTLake Wind AdvisoryCAE18 hr
Jan 12, 4:37 PM ESTSevere Thunderstorm WarningCAE23 min
Jan 12, 4:41 PM ESTTornado WatchSPC3 hr
Jan 12, 5:00 PM ESTTornado WarningCAE45 min
Jan 12, 5:56 PM ESTSevere Thunderstorm WarningCAE49 min
Jan 18, 12:19 AM ESTDense Fog AdvisoryCAE5 hr
Jan 18, 2:46 PM ESTLake Wind AdvisoryCAE27 hr
Jan 22, 2:45 PM ESTLake Wind AdvisoryCAE24 hr
Jan 24, 12:22 PM ESTLake Wind AdvisoryCAE42 hr
Jan 31, 1:00 AM ESTDense Fog AdvisoryCAE9 hr
Feb 11, 8:08 PM ESTLake Wind AdvisoryCAE10 hr
Feb 27, 5:04 PM ESTLake Wind AdvisoryCAE14 hr
Mar 2, 2:12 PM ESTLake Wind AdvisoryCAE19 hr
Mar 3, 9:25 AM ESTWind AdvisoryCAE16 hr
Mar 7, 3:25 AM ESTLake Wind AdvisoryCAE26 hr
Mar 13, 2:54 AM EDTFreeze WatchCAE24 hr
Mar 14, 3:17 AM EDTFreeze WarningCAE31 hr
Mar 14, 2:48 PM EDTFreeze WatchCAE12 hr
Mar 15, 3:11 AM EDTFreeze WarningCAE30 hr
Mar 18, 1:00 AM EDTFreeze WarningCAE32 hr
Mar 18, 3:21 AM EDTFreeze WatchCAE11 hr
Mar 18, 1:51 PM EDTFreeze WarningCAE44 hr
Mar 19, 3:47 AM EDTFreeze WatchCAE34 hr
Mar 20, 2:01 PM EDTFreeze WarningCAE20 hr
Mar 23, 3:36 AM EDTDense Fog AdvisoryCAE6 hr
Mar 26, 6:04 AM EDTMesoscale DiscussionSPC116 min
Mar 26, 6:32 AM EDTSevere Thunderstorm WatchSPC6 hr
Mar 26, 8:24 AM EDTSevere Thunderstorm WarningCAE36 min
Mar 26, 9:20 AM EDTAreal Flood AdvisoryCAE115 min
Mar 26, 9:51 AM EDTSpecial Weather StatementCAE24 min
Mar 26, 9:56 AM EDTSevere Thunderstorm WarningCAE34 min
Mar 26, 11:29 PM EDTSpecial Weather StatementCAE46 min
Mar 26, 11:59 PM EDTMesoscale DiscussionSPC2 hr
Mar 27, 9:57 AM EDTAreal Flood AdvisoryCAE3 hr
Mar 31, 2:48 PM EDTLake Wind AdvisoryCAE31 hr
Apr 1, 11:01 AM EDTSpecial Weather StatementCAE44 min
Apr 7, 2:47 PM EDTLake Wind AdvisoryCAE63 hr
Apr 29, 2:46 PM EDTLake Wind AdvisoryCAE4 days
May 26, 3:59 AM EDTLake Wind AdvisoryCAE46 hr
Jun 6, 5:55 PM EDTMesoscale DiscussionSPC95 min
Jun 6, 7:48 PM EDTSpecial Weather StatementCAE42 min
Jun 6, 8:06 PM EDTSevere Thunderstorm WarningCAE39 min
Jun 7, 3:27 PM EDTSpecial Weather StatementCAE33 min
Jun 12, 2:25 PM EDTMesoscale DiscussionSPC95 min
Jun 19, 7:24 AM EDTSpecial Weather StatementFFC21 min
Jun 20, 2:41 PM EDTSpecial Weather StatementCAE34 min
Jun 21, 4:05 AM EDTFlood WatchCAE48 hr
Jun 22, 10:37 PM EDTSpecial Weather StatementCAE38 min
Jun 25, 8:30 PM EDTSpecial Weather StatementCAE45 min
Jun 26, 1:59 PM EDTMesoscale DiscussionSPC3 hr
Jul 2, 3:27 AM EDTHeat AdvisoryCAE17 hr
Jul 5, 2:38 PM EDTMesoscale DiscussionSPC2 hr
Jul 5, 4:39 PM EDTSpecial Weather StatementCAE51 min
Jul 10, 11:42 AM EDTAreal Flood AdvisoryCAE2 hr
Jul 15, 6:27 PM EDTSpecial Weather StatementCAE33 min
Jul 15, 6:56 PM EDTSevere Thunderstorm WarningCAE49 min
Jul 15, 7:39 PM EDTMesoscale DiscussionSPC66 min
Jul 20, 5:59 PM EDTMesoscale DiscussionSPC3 hr
Jul 20, 6:43 PM EDTSevere Thunderstorm WatchSPC6 hr
Jul 20, 7:15 PM EDTSevere Thunderstorm Warning Considerable damage threatCAE60 min
Jul 20, 7:40 PM EDTSevere Thunderstorm WarningCAE65 min
Jul 21, 6:50 PM EDTMesoscale DiscussionSPC85 min
Jul 21, 7:59 PM EDTSpecial Weather StatementCAE46 min
Aug 3, 4:24 PM EDTMesoscale DiscussionSPC2 hr
Aug 3, 5:41 PM EDTSpecial Weather StatementCAE34 min
Aug 3, 6:14 PM EDTSpecial Weather StatementCAE46 min
Aug 6, 1:11 PM EDTMesoscale DiscussionSPC94 min
Aug 6, 3:02 PM EDTSpecial Weather StatementCAE43 min
Aug 6, 3:18 PM EDTHeat AdvisoryCAE28 hr
Aug 6, 3:34 PM EDTSevere Thunderstorm WatchSPC5 hr
Aug 6, 4:47 PM EDTMesoscale DiscussionSPC88 min
Aug 7, 3:59 PM EDTMesoscale DiscussionSPC2 hr
Aug 7, 4:30 PM EDTSevere Thunderstorm WatchSPC7 hr
Aug 8, 1:45 AM EDTSpecial Weather StatementCAE45 min
Aug 11, 10:52 AM EDTSpecial Weather StatementCAE23 min
Aug 12, 2:58 PM EDTHeat AdvisoryCAE29 hr
Aug 12, 6:13 PM EDTMesoscale DiscussionSPC2 hr
Aug 12, 7:46 PM EDTSpecial Weather StatementCAE44 min
Aug 13, 2:52 PM EDTHeat AdvisoryCAE29 hr
Aug 14, 2:53 PM EDTHeat AdvisoryCAE28 hr
Aug 15, 1:50 PM EDTMesoscale DiscussionSPC85 min
Aug 15, 4:27 PM EDTMesoscale DiscussionSPC93 min
Aug 29, 10:53 AM EDTFlood WatchCAE39 hr
Aug 29, 11:02 AM EDTTropical Storm WatchCAE24 hr
Aug 29, 10:58 PM EDTTropical Storm WarningCAE27 hr
Sep 7, 2:25 PM EDTMesoscale DiscussionSPC3 hr
Sep 7, 3:37 PM EDTSpecial Weather StatementCAE53 min
Sep 7, 3:49 PM EDTSevere Thunderstorm WarningCAE41 min
Sep 11, 7:21 PM EDTSpecial Weather StatementCAE39 min
Sep 12, 6:10 PM EDTSpecial Weather StatementCAE35 min
Oct 7, 6:29 PM EDTLake Wind AdvisoryCAE9 hr
Oct 20, 2:45 PM EDTMesoscale DiscussionSPC3 hr
Oct 31, 3:53 AM EDTFreeze WatchCAE24 hr
Oct 31, 3:53 AM EDTLake Wind AdvisoryCAE48 hr
Nov 1, 4:08 AM EDTFreeze WarningCAE29 hr
Dec 10, 3:28 AM ESTLake Wind AdvisoryCAE24 hr
Dec 16, 4:03 AM ESTLake Wind AdvisoryCAE3 days
Dec 29, 12:03 PM ESTLake Wind AdvisoryCAE8 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 archive20222024

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.