Alert archive / Mississippi / Scott County

Weather alerts in Scott County, Mississippi, 2020

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

Scott County and its neighbors

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

Alerts
131
Warnings
44
Watches
23
Advisories
15
Busiest month
April22 alerts
Busiest day
January 11, 20209 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 2 tornado warnings covering Scott County in 2020 had a tornado report inside them; 2 of 2 tornado reports fell inside a warning, on average 45 minutes after it went out.

Scott County, 2020

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings2150%2100%45 min
Severe thunderstorm warnings332524%2291%18 min
Flash flood warnings5420%1100%85 min

Each office's whole area, 2020

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Jackson, MS: tornado warnings603738%14985%26 min
NWS Jackson, MS: severe thunderstorm warnings42326837%89883%26 min
NWS Jackson, MS: flash flood warnings1087332%27685%87 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 1, 3:07 AM CSTFlash Flood WatchJAN57 hr
Jan 2, 2:15 PM CSTMesoscale DiscussionSPC3 hr
Jan 2, 6:35 PM CSTFlash Flood WarningJAN3 hr
Jan 9, 2:27 PM CSTWind AdvisoryJAN48 hr
Jan 11, 2:37 AM CSTTornado WatchSPC8 hr
Jan 11, 7:16 AM CSTSevere Thunderstorm WarningJAN59 min
Jan 11, 7:39 AM CSTMesoscale DiscussionSPC96 min
Jan 11, 7:57 AM CSTTornado WatchSPC9 hr
Jan 11, 8:14 AM CSTSevere Thunderstorm WarningJAN61 min
Jan 11, 8:49 AM CSTTornado WarningJAN56 min
Jan 11, 9:16 AM CSTSevere Thunderstorm WarningJAN59 min
Jan 11, 9:29 AM CSTSevere Thunderstorm WarningJAN61 min
Jan 11, 9:35 AM CSTTornado WarningJAN40 min
Jan 13, 8:05 AM CSTDense Fog AdvisoryJAN3 hr
Jan 14, 3:00 AM CSTFlash Flood WatchJAN21 hr
Jan 14, 11:28 AM CSTFlash Flood WarningJAN3 hr
Jan 14, 2:12 PM CSTAreal Flood WarningJAN9 hr
Jan 14, 10:40 PM CSTAreal Flood WarningJAN9 hr
Jan 28, 12:33 AM CSTDense Fog AdvisoryJAN10 hr
Jan 30, 4:11 AM CSTDense Fog AdvisoryJAN5 hr
Feb 5, 10:28 AM CSTMesoscale DiscussionSPC92 min
Feb 5, 11:49 AM CSTTornado WatchSPC6 hr
Feb 5, 1:39 PM CSTMesoscale DiscussionSPC96 min
Feb 5, 3:33 PM CSTSevere Thunderstorm WarningJAN42 min
Feb 5, 3:41 PM CSTMesoscale DiscussionSPC64 min
Feb 5, 5:06 PM CSTMesoscale DiscussionSPC84 min
Feb 5, 5:50 PM CSTTornado WatchSPC6 hr
Feb 5, 9:43 PM CSTMesoscale DiscussionSPC2 hr
Feb 9, 4:42 AM CSTFlash Flood WatchJAN47 hr
Feb 10, 12:39 PM CSTMesoscale DiscussionSPC2 hr
Feb 10, 2:10 PM CSTFlash Flood WarningJAN3 hr
Feb 11, 3:34 AM CSTFlash Flood WatchJAN49 hr
Feb 12, 1:46 PM CSTMesoscale DiscussionSPC119 min
Feb 17, 2:14 PM CSTFlash Flood WatchJAN31 hr
Feb 19, 2:59 PM CSTFlash Flood WatchJAN18 hr
Mar 3, 2:52 AM CSTMesoscale DiscussionSPC2 hr
Mar 3, 2:38 PM CSTFlash Flood WatchJAN39 hr
Mar 4, 1:19 AM CSTMesoscale DiscussionSPC2 hr
Mar 4, 1:53 AM CSTTornado WatchSPC8 hr
Mar 4, 2:52 AM CSTSevere Thunderstorm WarningJAN38 min
Mar 4, 3:23 AM CSTSevere Thunderstorm WarningJAN52 min
Mar 4, 10:08 AM CSTSevere Thunderstorm WarningJAN52 min
Mar 4, 10:50 AM CSTMesoscale DiscussionSPC115 min
Mar 28, 7:46 PM CDTMesoscale DiscussionSPC89 min
Mar 28, 9:58 PM CDTTornado WatchSPC7 hr
Mar 29, 1:11 AM CDTSevere Thunderstorm WarningJAN29 min
Mar 31, 5:23 AM CDTSpecial Weather StatementJAN52 min
Mar 31, 5:30 AM CDTSevere Thunderstorm WarningJAN60 min
Apr 8, 12:13 PM CDTMesoscale DiscussionSPC2 hr
Apr 8, 2:40 PM CDTSevere Thunderstorm WatchSPC4 hr
Apr 8, 3:03 PM CDTSevere Thunderstorm WarningJAN57 min
Apr 11, 3:44 PM CDTWind AdvisoryJAN30 hr
Apr 12, 10:24 AM CDTMesoscale DiscussionSPC96 min
Apr 12, 10:41 AM CDTTornado Watch PDSSPC10 hr
Apr 12, 1:06 PM CDTSevere Thunderstorm WarningJAN39 min
Apr 12, 1:40 PM CDTMesoscale DiscussionSPC95 min
Apr 12, 3:38 PM CDTMesoscale DiscussionSPC97 min
Apr 12, 4:25 PM CDTSevere Thunderstorm WarningJAN50 min
Apr 18, 4:31 AM CDTFlash Flood WatchJAN41 hr
Apr 19, 11:06 AM CDTMesoscale DiscussionSPC54 min
Apr 19, 11:45 AM CDTTornado WatchSPC9 hr
Apr 19, 2:00 PM CDTSevere Thunderstorm WarningJAN60 min
Apr 19, 3:07 PM CDTMesoscale DiscussionSPC113 min
Apr 19, 3:26 PM CDTSevere Thunderstorm WarningJAN49 min
Apr 19, 4:17 PM CDTSpecial Weather StatementJAN43 min
Apr 21, 2:16 PM CDTFlash Flood WatchJAN44 hr
Apr 23, 2:16 AM CDTFlash Flood WarningJAN3 hr
Apr 23, 2:21 AM CDTSevere Thunderstorm WarningJAN54 min
Apr 23, 1:37 PM CDTMesoscale DiscussionSPC113 min
Apr 29, 3:22 AM CDTSpecial Weather StatementJAN23 min
May 6, 10:26 AM CDTRed Flag WarningJAN9 hr
May 17, 12:54 PM CDTMesoscale DiscussionSPC2 hr
May 17, 3:49 PM CDTSpecial Weather StatementJAN26 min
May 23, 1:53 PM CDTSpecial Weather StatementJAN52 min
May 23, 3:14 PM CDTSpecial Weather StatementJAN31 min
May 23, 3:47 PM CDTSpecial Weather StatementJAN28 min
May 25, 4:51 PM CDTSpecial Weather StatementJAN24 min
May 25, 5:04 PM CDTSpecial Weather StatementJAN41 min
May 26, 4:50 PM CDTSpecial Weather StatementJAN40 min
May 27, 12:16 PM CDTMesoscale DiscussionSPC89 min
May 27, 2:36 PM CDTMesoscale DiscussionSPC84 min
May 27, 3:38 PM CDTSevere Thunderstorm WarningJAN67 min
May 27, 4:01 PM CDTSevere Thunderstorm WarningJAN44 min
May 27, 4:28 PM CDTSevere Thunderstorm WarningJAN62 min
May 27, 4:32 PM CDTSevere Thunderstorm WarningJAN43 min
Jun 5, 2:07 PM CDTMesoscale DiscussionSPC83 min
Jun 5, 2:49 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 5, 5:48 PM CDTSevere Thunderstorm WarningJAN72 min
Jun 6, 4:24 PM CDTFlash Flood WatchJAN57 hr
Jun 7, 11:26 AM CDTWind AdvisoryJAN22 hr
Jun 7, 8:08 PM CDTSpecial Weather StatementJAN52 min
Jun 21, 8:14 PM CDTSpecial Weather StatementJAN31 min
Jun 21, 8:28 PM CDTSpecial Weather StatementJAN47 min
Jun 25, 4:52 PM CDTSevere Thunderstorm WarningJAN68 min
Jun 25, 5:22 PM CDTSevere Thunderstorm WarningJAN68 min
Jul 1, 1:53 PM CDTSpecial Weather StatementJAN52 min
Jul 1, 2:20 PM CDTSevere Thunderstorm WarningJAN40 min
Jul 1, 8:11 PM CDTSevere Thunderstorm WarningJAN49 min
Jul 1, 8:39 PM CDTSevere Thunderstorm WarningJAN39 min
Jul 3, 3:55 PM CDTSpecial Weather StatementJAN35 min
Jul 4, 4:52 PM CDTSevere Thunderstorm WarningJAN38 min
Jul 4, 6:06 PM CDTFlash Flood WarningJAN112 min
Jul 7, 4:55 AM CDTDense Fog AdvisoryJAN3 hr
Jul 10, 2:38 AM CDTHeat AdvisoryJAN16 hr
Jul 12, 12:45 PM CDTSpecial Weather StatementJAN45 min
Jul 12, 1:21 PM CDTSevere Thunderstorm WarningJAN39 min
Jul 14, 2:22 PM CDTHeat AdvisoryJAN29 hr
Jul 15, 7:16 PM CDTHeat AdvisoryJAN24 hr
Jul 31, 12:35 PM CDTMesoscale DiscussionSPC85 min
Jul 31, 1:21 PM CDTSevere Thunderstorm WatchSPC7 hr
Jul 31, 7:26 PM CDTSpecial Weather StatementJAN49 min
Jul 31, 8:01 PM CDTSevere Thunderstorm WarningJAN44 min
Aug 16, 5:05 PM CDTMesoscale DiscussionSPC85 min
Aug 16, 5:21 PM CDTSevere Thunderstorm WarningJAN39 min
Aug 16, 5:44 PM CDTSevere Thunderstorm WarningJAN46 min
Aug 26, 3:32 PM CDTSpecial Weather StatementJAN28 min
Aug 27, 2:41 PM CDTMesoscale DiscussionSPC94 min
Aug 28, 3:16 PM CDTHeat AdvisoryJAN28 hr
Aug 30, 3:33 PM CDTSpecial Weather StatementJAN42 min
Sep 13, 2:32 AM CDTFlash Flood WatchJAN66 hr
Sep 23, 3:56 AM CDTFlash Flood WatchJAN30 hr
Sep 27, 4:02 AM CDTDense Fog AdvisoryJAN6 hr
Oct 9, 4:20 AM CDTWind AdvisoryJAN33 hr
Nov 25, 7:27 AM CSTSevere Thunderstorm WarningJAN48 min
Nov 30, 2:07 PM CSTFreeze WarningJAN19 hr
Dec 12, 8:58 PM CSTDense Fog AdvisoryJAN12 hr
Dec 13, 8:48 PM CSTSevere Thunderstorm WarningJAN57 min
Dec 13, 9:06 PM CSTMesoscale DiscussionSPC114 min
Dec 13, 9:37 PM CSTSpecial Weather StatementJAN53 min
Dec 20, 7:57 PM CSTDense Fog AdvisoryJAN13 hr
Dec 23, 10:51 PM CSTMesoscale DiscussionSPC114 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 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.