Alert archive / Georgia / Screven County

Weather alerts in Screven County, Georgia, 2017

97 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Screven County and its neighbors

Each county as a circle sized by its count in 2017. Tap one for its archive.

Alerts
97
Warnings
23
Watches
13
Advisories
20
Busiest month
January17 alerts
Busiest day
April 5, 20178 alerts

Over time

By month

Warning verification

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

2 of 3 tornado warnings covering Screven County in 2017 had a tornado report inside them; 2 of 3 tornado reports fell inside a warning, on average 11 minutes after it went out.

Screven County, 2017

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings3233%367%11 min
Severe thunderstorm warnings12118%9100%23 min
Flash flood warnings10100%0

Each office's whole area, 2017

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Charleston, SC: tornado warnings351071%2564%9 min
NWS Charleston, SC: severe thunderstorm warnings1026437%21367%21 min
NWS Charleston, SC: flash flood warnings10550%6100%247 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 2, 5:16 PM ESTSpecial Weather StatementCHS29 min
Jan 2, 5:20 PM ESTSevere Thunderstorm WarningCHS40 min
Jan 3, 12:10 AM ESTMesoscale DiscussionSPC2 hr
Jan 3, 12:49 AM ESTSpecial Weather StatementCHS41 min
Jan 7, 8:15 PM ESTRiver Flood WarningCHS5 days
Jan 17, 3:20 AM ESTDense Fog AdvisoryCHS8 hr
Jan 21, 1:06 PM ESTMesoscale DiscussionSPC114 min
Jan 21, 1:51 PM ESTTornado WatchSPC4 hr
Jan 21, 2:13 PM ESTSevere Thunderstorm WarningCHS62 min
Jan 21, 2:21 PM ESTTornado WarningCHS24 min
Jan 21, 2:58 PM ESTTornado WarningCHS32 min
Jan 21, 3:06 PM ESTSevere Thunderstorm WarningCHS54 min
Jan 21, 3:06 PM ESTMesoscale DiscussionSPC84 min
Jan 22, 4:02 PM ESTMesoscale DiscussionSPC88 min
Jan 22, 4:25 PM ESTTornado Watch PDSSPC3 hr
Jan 22, 6:58 PM ESTMesoscale DiscussionSPC92 min
Jan 26, 8:22 PM ESTRiver Flood WarningCHS4 days
Feb 9, 3:10 AM ESTSpecial Weather StatementCHS50 min
Feb 9, 3:12 AM ESTMesoscale DiscussionSPC2 hr
Feb 15, 10:19 AM ESTMesoscale DiscussionSPC2 hr
Mar 4, 3:15 PM ESTFrost AdvisoryCHS18 hr
Mar 13, 3:45 PM EDTFreeze WatchCHS12 hr
Mar 14, 3:25 AM EDTFreeze WarningCHS30 hr
Mar 15, 10:14 AM EDTFreeze WarningCHS24 hr
Mar 16, 10:53 AM EDTFreeze WarningCHS23 hr
Mar 21, 7:47 PM EDTMesoscale DiscussionSPC58 min
Mar 21, 8:35 PM EDTSevere Thunderstorm WatchSPC5 hr
Mar 21, 11:07 PM EDTSpecial Weather StatementCHS38 min
Mar 21, 11:18 PM EDTMesoscale DiscussionSPC57 min
Mar 21, 11:31 PM EDTSevere Thunderstorm WarningCHS59 min
Mar 21, 11:57 PM EDTSevere Thunderstorm WarningCHS33 min
Apr 3, 10:07 AM EDTMesoscale DiscussionSPC83 min
Apr 3, 1:42 PM EDTMesoscale DiscussionSPC63 min
Apr 3, 2:07 PM EDTTornado WatchSPC6 hr
Apr 3, 3:44 PM EDTSevere Thunderstorm WarningCHS50 min
Apr 3, 4:13 PM EDTSevere Thunderstorm WarningCHS47 min
Apr 3, 4:18 PM EDTSevere Thunderstorm WarningCHS31 min
Apr 5, 10:43 AM EDTMesoscale DiscussionSPC2 hr
Apr 5, 11:38 AM EDTMesoscale DiscussionSPC97 min
Apr 5, 12:54 PM EDTTornado Watch PDSSPC10 hr
Apr 5, 2:44 PM EDTWind AdvisoryCHS29 hr
Apr 5, 3:12 PM EDTMesoscale DiscussionSPC93 min
Apr 5, 4:33 PM EDTSevere Thunderstorm WarningCHS57 min
Apr 5, 4:50 PM EDTTornado WarningCHS40 min
Apr 5, 5:27 PM EDTSevere Thunderstorm WarningCHS63 min
Apr 23, 10:32 PM EDTMesoscale DiscussionSPC2 hr
May 4, 12:48 PM EDTMesoscale DiscussionSPC2 hr
May 13, 2:19 PM EDTSevere Thunderstorm WarningCHS39 min
May 23, 3:34 AM EDTFlash Flood WatchCHS20 hr
May 23, 2:02 PM EDTMesoscale DiscussionSPC118 min
May 23, 2:45 PM EDTTornado WatchSPC8 hr
May 23, 4:50 PM EDTMesoscale DiscussionSPC85 min
May 23, 8:46 PM EDTMesoscale DiscussionSPC89 min
May 24, 8:29 AM EDTMesoscale DiscussionSPC3 hr
May 24, 11:03 AM EDTTornado WatchSPC10 hr
May 24, 2:10 PM EDTMesoscale DiscussionSPC95 min
May 24, 5:25 PM EDTMesoscale DiscussionSPC65 min
May 24, 10:32 PM EDTMesoscale DiscussionSPC58 min
May 24, 11:59 PM EDTSpecial Weather StatementCHS31 min
May 25, 12:34 AM EDTSpecial Weather StatementCHS26 min
May 31, 4:14 PM EDTSpecial Weather StatementCHS46 min
Jun 6, 4:08 PM EDTAreal Flood AdvisoryCHS3 hr
Jun 6, 4:12 PM EDTAreal Flood AdvisoryCHS93 min
Jun 17, 7:54 PM EDTSpecial Weather StatementCHS51 min
Jun 30, 5:51 PM EDTSpecial Weather StatementCHS39 min
Jul 8, 8:01 PM EDTSpecial Weather StatementCHS44 min
Jul 8, 8:19 PM EDTSevere Thunderstorm WarningCHS41 min
Jul 15, 1:38 PM EDTMesoscale DiscussionSPC67 min
Jul 16, 2:57 PM EDTMesoscale DiscussionSPC2 hr
Aug 14, 8:03 PM EDTSpecial Weather StatementCHS27 min
Aug 17, 3:09 AM EDTHeat AdvisoryCHS10 hr
Aug 23, 3:14 PM EDTMesoscale DiscussionSPC91 min
Aug 31, 1:02 PM EDTMesoscale DiscussionSPC2 hr
Sep 1, 3:06 PM EDTMesoscale DiscussionSPC2 hr
Sep 9, 4:37 AM EDTTropical Storm WatchCHS13 hr
Sep 9, 10:37 AM EDTTropical Storm WarningCHS61 hr
Sep 9, 3:31 PM EDTFlash Flood WatchCHS58 hr
Sep 11, 9:31 AM EDTAreal Flood AdvisoryCHS119 min
Sep 11, 10:44 AM EDTFlash Flood WarningCHS7 hr
Sep 11, 11:44 AM EDTAreal Flood AdvisoryCHS2 hr
Sep 11, 11:51 AM EDTAreal Flood AdvisoryCHS114 min
Sep 11, 1:46 PM EDTTornado WatchSPC10 hr
Sep 11, 5:16 PM EDTAreal Flood WarningCHS7 hr
Oct 8, 2:50 PM EDTMesoscale DiscussionSPC2 hr
Oct 15, 6:22 AM EDTDense Fog AdvisoryCHS4 hr
Oct 23, 2:00 PM EDTTornado WatchSPC8 hr
Oct 23, 5:07 PM EDTSpecial Weather StatementCHS23 min
Nov 5, 2:18 AM ESTDense Fog AdvisoryCHS8 hr
Nov 5, 8:57 PM ESTDense Fog AdvisoryCHS13 hr
Nov 19, 2:33 PM ESTFrost AdvisoryCHS18 hr
Nov 22, 1:49 AM ESTDense Fog AdvisoryCHS8 hr
Nov 24, 9:30 PM ESTFrost AdvisoryCHS12 hr
Nov 26, 3:33 PM ESTFrost AdvisoryCHS17 hr
Nov 27, 3:52 PM ESTFrost AdvisoryCHS15 hr
Dec 5, 5:06 AM ESTDense Fog AdvisoryCHS5 hr
Dec 19, 7:15 AM ESTDense Fog AdvisoryCHS2 hr
Dec 20, 5:38 AM ESTDense Fog AdvisoryCHS6 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 archive20162018

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.