Alert archive / Mississippi / Leflore County

Weather alerts in Leflore County, Mississippi, 2015

119 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Leflore County and its neighbors

Each county as a circle sized by its count in 2015. Tap one for its archive.

Alerts
119
Warnings
25
Watches
19
Advisories
23
Busiest month
December21 alerts
Busiest day
April 20, 20156 alerts

Over time

By month

Warning verification

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

Leflore County, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings10730%580%32 min
Flash flood warnings50100%0

Each office's whole area, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Jackson, MS: tornado warnings531866%6781%17 min
NWS Jackson, MS: severe thunderstorm warnings44122349%52675%22 min
NWS Jackson, MS: flash flood warnings954256%11376%67 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 2, 3:01 PM CSTFlash Flood WatchJAN33 hr
Jan 3, 1:47 PM CSTAreal Flood WarningJAN12 hr
Jan 6, 5:05 AM CSTHard Freeze WatchJAN22 hr
Jan 6, 3:14 PM CSTHard Freeze WarningJAN51 hr
Jan 7, 3:23 AM CSTWind Chill AdvisoryJAN30 hr
Jan 7, 2:49 PM CSTWind AdvisoryJAN3 hr
Jan 10, 2:29 PM CSTFreezing Rain AdvisoryJAN13 hr
Feb 14, 4:39 AM CSTWinter Storm WatchJAN34 hr
Feb 15, 2:49 PM CSTWinter Weather AdvisoryJAN30 hr
Feb 20, 8:24 AM CSTWinter Weather AdvisoryJAN3 hr
Feb 21, 5:55 PM CSTFlash Flood WarningJAN3 hr
Feb 21, 5:59 PM CSTFlash Flood WarningJAN3 hr
Feb 22, 4:21 AM CSTFreezing Rain AdvisoryJAN53 hr
Feb 22, 3:40 PM CSTWinter Weather AdvisoryJAN32 hr
Feb 23, 3:16 PM CSTWinter Storm WatchJAN24 hr
Feb 24, 3:06 PM CSTWinter Storm WarningJAN31 hr
Feb 25, 11:17 AM CSTMesoscale DiscussionSPC4 hr
Mar 2, 2:39 PM CSTDense Fog AdvisoryJAN18 hr
Mar 2, 3:26 PM CSTWinter Storm WatchJAN48 hr
Mar 4, 3:35 AM CSTWinter Storm WarningJAN35 hr
Mar 4, 11:54 PM CSTMesoscale DiscussionSPC6 hr
Mar 9, 11:22 AM CDTRiver Flood WarningJAN7 days
Mar 11, 3:29 PM CDTFlash Flood WatchJAN47 hr
Mar 31, 12:41 PM CDTMesoscale DiscussionSPC94 min
Mar 31, 1:45 PM CDTSevere Thunderstorm WatchSPC5 hr
Mar 31, 4:32 PM CDTMesoscale DiscussionSPC58 min
Mar 31, 4:48 PM CDTSevere Thunderstorm WarningJAN57 min
Apr 3, 3:57 PM CDTMesoscale DiscussionSPC93 min
Apr 3, 5:55 PM CDTSevere Thunderstorm WatchSPC4 hr
Apr 3, 6:07 PM CDTSevere Thunderstorm WarningJAN53 min
Apr 3, 8:17 PM CDTMesoscale DiscussionSPC118 min
Apr 9, 6:32 PM CDTSevere Thunderstorm WatchSPC5 hr
Apr 9, 10:01 PM CDTMesoscale DiscussionSPC119 min
Apr 16, 4:39 PM CDTSpecial Weather StatementJAN36 min
Apr 19, 8:02 PM CDTTornado WatchSPC5 hr
Apr 19, 9:50 PM CDTSevere Thunderstorm WarningJAN55 min
Apr 19, 9:58 PM CDTSevere Thunderstorm WarningJAN62 min
Apr 19, 10:16 PM CDTMesoscale DiscussionSPC59 min
Apr 19, 10:42 PM CDTFlash Flood WarningJAN2 hr
Apr 20, 5:29 AM CDTRiver Flood WarningJAN43 hr
Apr 24, 8:52 PM CDTSpecial Weather StatementJAN38 min
Apr 24, 11:45 PM CDTMesoscale DiscussionSPC90 min
Apr 25, 12:01 AM CDTSpecial Weather StatementJAN29 min
Apr 25, 12:24 AM CDTSevere Thunderstorm WarningJAN51 min
May 11, 8:34 AM CDTSpecial Weather StatementJAN41 min
May 15, 4:53 PM CDTSpecial Weather StatementJAN52 min
May 18, 3:48 AM CDTFlash Flood WatchJAN11 hr
May 18, 6:34 AM CDTSpecial Weather StatementJAN26 min
May 19, 5:32 AM CDTDense Fog AdvisoryJAN3 hr
May 24, 5:06 PM CDTSevere Thunderstorm WarningJAN54 min
May 24, 8:52 PM CDTSpecial Weather StatementJAN23 min
May 24, 9:14 PM CDTSevere Thunderstorm WarningJAN46 min
May 26, 12:40 AM CDTSpecial Weather StatementJAN50 min
May 27, 11:18 AM CDTSpecial Weather StatementJAN27 min
Jun 8, 4:54 PM CDTMesoscale DiscussionSPC96 min
Jun 9, 4:03 AM CDTFlash Flood WarningJAN3 hr
Jun 22, 3:38 PM CDTHeat AdvisoryJAN68 hr
Jun 24, 1:55 PM CDTMesoscale DiscussionSPC65 min
Jun 24, 3:18 PM CDTSevere Thunderstorm WarningJAN57 min
Jun 30, 12:21 PM CDTSpecial Weather StatementJAN24 min
Jul 3, 2:58 PM CDTMesoscale DiscussionSPC3 hr
Jul 3, 5:36 PM CDTMesoscale DiscussionSPC84 min
Jul 4, 3:37 AM CDTFlash Flood WatchJAN11 hr
Jul 12, 3:28 AM CDTHeat AdvisoryJAN11 days
Jul 15, 6:47 PM CDTSpecial Weather StatementJAN43 min
Jul 15, 7:24 PM CDTSevere Thunderstorm WarningJAN47 min
Jul 16, 3:15 AM CDTExcessive Heat WarningJAN12 hr
Jul 16, 3:15 AM CDTHeat AdvisoryJAN7 days
Jul 22, 4:15 PM CDTSpecial Weather StatementJAN30 min
Jul 22, 4:50 PM CDTSpecial Weather StatementJAN40 min
Jul 23, 3:15 AM CDTHeat AdvisoryJAN40 hr
Jul 24, 9:37 PM CDTHeat AdvisoryJAN6 days
Aug 5, 4:15 PM CDTHeat AdvisoryJAN4 days
Aug 6, 5:55 PM CDTMesoscale DiscussionSPC3 hr
Aug 7, 8:39 AM CDTMesoscale DiscussionSPC66 min
Aug 7, 3:05 PM CDTHeat AdvisoryJAN37 hr
Aug 7, 5:41 PM CDTMesoscale DiscussionSPC3 hr
Aug 8, 4:57 AM CDTExcessive Heat WarningJAN62 hr
Aug 15, 5:59 PM CDTSpecial Weather StatementJAN46 min
Aug 16, 6:43 PM CDTSpecial Weather StatementJAN47 min
Aug 19, 12:30 PM CDTMesoscale DiscussionSPC3 hr
Aug 19, 2:45 PM CDTMesoscale DiscussionSPC3 hr
Aug 22, 1:44 PM CDTMesoscale DiscussionSPC2 hr
Aug 22, 7:00 PM CDTMesoscale DiscussionSPC2 hr
Sep 11, 2:59 PM CDTSpecial Weather StatementJAN46 min
Sep 11, 3:23 PM CDTSpecial Weather StatementJAN52 min
Oct 15, 2:12 PM CDTFire Weather WatchJAN3 days
Oct 26, 4:55 AM CDTWind AdvisoryJAN14 hr
Nov 11, 10:01 PM CSTSpecial Weather StatementJAN29 min
Nov 11, 11:04 PM CSTSpecial Weather StatementJAN41 min
Nov 16, 10:35 AM CSTFlash Flood WatchJAN43 hr
Nov 16, 3:11 PM CSTWind AdvisoryJAN27 hr
Nov 17, 12:36 PM CSTTornado WatchSPC7 hr
Nov 17, 1:35 PM CSTMesoscale DiscussionSPC115 min
Nov 17, 7:45 PM CSTTornado WatchSPC7 hr
Nov 17, 8:40 PM CSTSpecial Weather StatementJAN35 min
Nov 21, 3:56 AM CSTFreeze WarningJAN29 hr
Nov 21, 3:56 AM CSTFreeze WarningJAN53 hr
Dec 10, 12:03 AM CSTDense Fog AdvisoryJAN9 hr
Dec 12, 2:50 PM CSTWind AdvisoryJAN33 hr
Dec 13, 6:16 PM CSTMesoscale DiscussionSPC119 min
Dec 22, 5:00 AM CSTDense Fog AdvisoryJAN5 hr
Dec 23, 10:58 AM CSTMesoscale DiscussionSPC2 hr
Dec 23, 11:57 AM CSTTornado Watch PDSSPC9 hr
Dec 23, 12:48 PM CSTMesoscale DiscussionSPC57 min
Dec 23, 2:49 PM CSTMesoscale DiscussionSPC86 min
Dec 23, 7:41 PM CSTMesoscale DiscussionSPC2 hr
Dec 25, 1:48 AM CSTMesoscale DiscussionSPC2 hr
Dec 25, 7:45 AM CSTMesoscale DiscussionSPC3 hr
Dec 25, 8:02 AM CSTFlash Flood WatchJAN20 hr
Dec 25, 11:17 AM CSTFlash Flood WarningJAN3 hr
Dec 27, 3:15 PM CSTMesoscale DiscussionSPC90 min
Dec 27, 3:38 PM CSTWind AdvisoryJAN16 hr
Dec 28, 2:03 AM CSTMesoscale DiscussionSPC117 min
Dec 28, 2:23 AM CSTTornado WatchSPC8 hr
Dec 28, 4:27 AM CSTSpecial Weather StatementJAN48 min
Dec 28, 4:51 AM CSTSevere Thunderstorm WarningJAN54 min
Dec 28, 5:14 AM CSTMesoscale DiscussionSPC2 hr
Dec 28, 1:18 PM CSTWind AdvisoryJAN5 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 archive20142016

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.