Alert archive / Mississippi / Lee County

Weather alerts in Lee County, Mississippi, 2018

149 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Lee County and its neighbors

Each county as a circle sized by its count in 2018. Tap one for its archive.

Alerts
149
Warnings
47
Watches
15
Advisories
42
Busiest month
June23 alerts
Busiest day
September 26, 20189 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 5 tornado warnings covering Lee County in 2018 had a tornado report inside them; 0 of 1 tornado reports fell inside a warning.

Lee County, 2018

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings5180%10%
Severe thunderstorm warnings241538%2789%31 min
Flash flood warnings7271%0

Each office's whole area, 2018

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Memphis, TN: tornado warnings52787%1560%18 min
NWS Memphis, TN: severe thunderstorm warnings34414259%37967%24 min
NWS Memphis, TN: flash flood warnings641281%2475%110 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 9, 4:53 PM CSTDense Fog AdvisoryMEG16 hr
Jan 10, 9:21 AM CSTDense Fog AdvisoryMEG9 hr
Jan 11, 3:44 AM CSTWinter Weather AdvisoryMEG38 hr
Jan 12, 2:00 AM CSTMesoscale DiscussionSPC5 hr
Jan 15, 4:38 AM CSTWinter Weather AdvisoryMEG34 hr
Jan 16, 11:36 AM CSTWind Chill AdvisoryMEG24 hr
Feb 22, 8:29 AM CSTAreal Flood WarningMEG3 hr
Feb 22, 11:00 AM CSTRiver Flood WarningMEG23 hr
Feb 22, 11:28 AM CSTAreal Flood WarningMEG6 hr
Feb 24, 5:29 PM CSTMesoscale DiscussionSPC91 min
Feb 24, 10:04 PM CSTTornado WarningMEG41 min
Feb 24, 10:05 PM CSTTornado WarningMEG40 min
Feb 24, 10:24 PM CSTFlash Flood WarningMEG3 hr
Feb 24, 11:01 PM CSTSevere Thunderstorm WarningMEG11 min
Feb 26, 3:04 PM CSTFlood WatchMEG69 hr
Feb 28, 5:23 PM CSTFlash Flood WarningMEG3 hr
Mar 10, 8:29 PM CSTSevere Thunderstorm WarningMEG46 min
Mar 10, 8:35 PM CSTSpecial Weather StatementMEG40 min
Mar 11, 9:16 AM CDTWind AdvisoryMEG16 hr
Mar 12, 2:56 PM CDTFreeze WatchMEG24 hr
Mar 13, 2:33 PM CDTFreeze WarningMEG19 hr
Mar 19, 2:06 PM CDTMesoscale DiscussionSPC84 min
Mar 19, 3:28 PM CDTTornado Watch PDSSPC9 hr
Mar 19, 3:52 PM CDTSevere Thunderstorm WarningMEG53 min
Mar 19, 4:03 PM CDTTornado WarningMEG27 min
Mar 19, 4:23 PM CDTSevere Thunderstorm WarningMEG52 min
Mar 19, 4:38 PM CDTSevere Thunderstorm WarningMEG67 min
Mar 19, 5:27 PM CDTSevere Thunderstorm WarningMEG48 min
Mar 20, 11:37 AM CDTFrost AdvisoryMEG20 hr
Mar 21, 3:37 AM CDTFrost AdvisoryMEG29 hr
Mar 27, 3:23 PM CDTFlood WatchMEG46 hr
Mar 28, 3:27 PM CDTTornado WatchSPC8 hr
Mar 28, 8:27 PM CDTMesoscale DiscussionSPC93 min
Apr 3, 6:51 PM CDTMesoscale DiscussionSPC114 min
Apr 3, 7:14 PM CDTSevere Thunderstorm WatchSPC5 hr
Apr 3, 8:16 PM CDTSevere Thunderstorm WarningMEG44 min
Apr 3, 8:26 PM CDTSevere Thunderstorm WarningMEG49 min
Apr 3, 8:50 PM CDTSevere Thunderstorm WarningMEG40 min
Apr 4, 3:44 AM CDTFreeze WarningMEG29 hr
Apr 7, 3:44 AM CDTFreeze WarningMEG29 hr
Apr 12, 2:34 PM CDTFlash Flood WatchMEG48 hr
Apr 13, 10:12 PM CDTTornado WatchSPC10 hr
Apr 14, 4:35 AM CDTMesoscale DiscussionSPC115 min
Apr 14, 5:17 AM CDTSevere Thunderstorm WarningMEG43 min
Apr 14, 5:47 AM CDTSevere Thunderstorm WarningMEG58 min
Apr 14, 6:39 AM CDTSevere Thunderstorm WarningMEG51 min
Apr 14, 10:20 AM CDTFlash Flood WarningMEG4 hr
Apr 25, 3:52 AM CDTDense Fog AdvisoryMEG5 hr
Apr 27, 12:33 AM CDTDense Fog AdvisoryMEG8 hr
May 5, 10:05 PM CDTDense Fog AdvisoryMEG11 hr
May 16, 12:27 AM CDTAreal Flood AdvisoryMEG2 hr
May 16, 7:08 AM CDTAreal Flood AdvisoryMEG112 min
May 16, 4:31 PM CDTSpecial Weather StatementMEG29 min
May 16, 4:59 PM CDTSevere Thunderstorm WarningMEG46 min
May 19, 3:20 PM CDTSevere Thunderstorm WarningMEG25 min
May 20, 12:32 PM CDTSevere Thunderstorm WatchSPC6 hr
May 20, 3:32 PM CDTMesoscale DiscussionSPC118 min
May 20, 6:26 PM CDTMesoscale DiscussionSPC64 min
May 21, 1:15 AM CDTSpecial Weather StatementMEG45 min
May 30, 2:38 PM CDTSpecial Weather StatementMEG52 min
May 30, 3:21 PM CDTSpecial Weather StatementMEG39 min
Jun 1, 4:36 AM CDTSpecial Weather StatementMEG39 min
Jun 2, 1:27 AM CDTDense Fog AdvisoryMEG8 hr
Jun 3, 1:32 AM CDTMesoscale DiscussionSPC118 min
Jun 3, 1:55 AM CDTSevere Thunderstorm WatchSPC4 hr
Jun 3, 3:54 AM CDTMesoscale DiscussionSPC66 min
Jun 12, 11:51 PM CDTSpecial Weather StatementMEG39 min
Jun 21, 10:23 PM CDTSpecial Weather StatementMEG37 min
Jun 21, 10:31 PM CDTSevere Thunderstorm WarningMEG29 min
Jun 21, 10:53 PM CDTSevere Thunderstorm WarningMEG34 min
Jun 21, 11:26 PM CDTSpecial Weather StatementMEG49 min
Jun 21, 11:30 PM CDTSevere Thunderstorm WarningMEG60 min
Jun 22, 9:09 AM CDTMesoscale DiscussionSPC96 min
Jun 22, 12:35 PM CDTMesoscale DiscussionSPC85 min
Jun 23, 5:27 AM CDTSpecial Weather StatementMEG48 min
Jun 23, 6:22 AM CDTSevere Thunderstorm WarningMEG53 min
Jun 23, 7:17 AM CDTMesoscale DiscussionSPC118 min
Jun 23, 9:10 AM CDTSpecial Weather StatementMEG65 min
Jun 23, 4:50 PM CDTMesoscale DiscussionSPC115 min
Jun 26, 3:35 PM CDTHeat AdvisoryMEG5 days
Jun 28, 5:52 PM CDTSevere Thunderstorm WarningMEG53 min
Jun 28, 6:31 PM CDTSevere Thunderstorm WarningMEG44 min
Jun 28, 7:00 PM CDTAreal Flood AdvisoryMEG38 min
Jun 29, 12:43 AM CDTSpecial Weather StatementMEG47 min
Jul 4, 3:32 AM CDTHeat AdvisoryMEG40 hr
Jul 4, 3:02 PM CDTMesoscale DiscussionSPC58 min
Jul 6, 3:30 PM CDTSpecial Weather StatementMEG30 min
Jul 12, 5:44 PM CDTSpecial Weather StatementMEG31 min
Jul 14, 3:06 AM CDTHeat AdvisoryMEG18 hr
Jul 15, 3:57 AM CDTHeat AdvisoryMEG16 hr
Jul 15, 3:47 PM CDTSpecial Weather StatementMEG28 min
Jul 15, 3:49 PM CDTAreal Flood AdvisoryMEG56 min
Jul 15, 4:05 PM CDTSevere Thunderstorm WarningMEG25 min
Jul 15, 5:03 PM CDTAreal Flood AdvisoryMEG117 min
Jul 17, 7:05 PM CDTAreal Flood AdvisoryMEG115 min
Jul 17, 7:15 PM CDTSpecial Weather StatementMEG30 min
Jul 19, 6:03 AM CDTSevere Thunderstorm WarningMEG21 min
Jul 19, 7:15 AM CDTFlash Flood WarningMEG2 hr
Jul 19, 3:42 PM CDTHeat AdvisoryMEG28 hr
Jul 20, 5:54 PM CDTMesoscale DiscussionSPC3 hr
Jul 20, 6:22 PM CDTTornado WatchSPC8 hr
Jul 20, 10:20 PM CDTMesoscale DiscussionSPC115 min
Jul 21, 1:38 AM CDTMesoscale DiscussionSPC67 min
Aug 9, 6:53 PM CDTAreal Flood AdvisoryMEG67 min
Aug 9, 7:50 PM CDTSpecial Weather StatementMEG25 min
Aug 12, 5:07 PM CDTSpecial Weather StatementMEG23 min
Aug 12, 5:13 PM CDTAreal Flood AdvisoryMEG62 min
Aug 12, 5:28 PM CDTSpecial Weather StatementMEG32 min
Aug 20, 4:45 PM CDTSevere Thunderstorm WatchSPC6 hr
Aug 20, 5:57 PM CDTMesoscale DiscussionSPC63 min
Aug 30, 5:43 PM CDTAreal Flood AdvisoryMEG59 min
Sep 26, 12:56 AM CDTAreal Flood AdvisoryMEG2 hr
Sep 26, 2:23 AM CDTFlash Flood WarningMEG5 hr
Sep 26, 2:41 AM CDTAreal Flood AdvisoryMEG2 hr
Sep 26, 4:06 AM CDTAreal Flood AdvisoryMEG93 min
Sep 26, 5:43 AM CDTFlash Flood WarningMEG3 hr
Sep 26, 8:48 AM CDTAreal Flood WarningMEG6 hr
Sep 26, 10:15 AM CDTRiver Flood WarningMEG26 hr
Sep 26, 2:52 PM CDTAreal Flood WarningMEG6 hr
Sep 26, 4:58 PM CDTAreal Flood AdvisoryMEG3 hr
Sep 29, 2:08 AM CDTDense Fog AdvisoryMEG8 hr
Oct 21, 3:22 AM CDTFrost AdvisoryMEG30 hr
Nov 1, 4:43 AM CDTSpecial Weather StatementMEG47 min
Nov 1, 4:50 AM CDTSevere Thunderstorm WarningMEG25 min
Nov 2, 11:41 PM CDTDense Fog AdvisoryMEG9 hr
Nov 5, 3:38 PM CSTMesoscale DiscussionSPC2 hr
Nov 5, 7:04 PM CSTTornado WatchSPC8 hr
Nov 5, 9:28 PM CSTMesoscale DiscussionSPC2 hr
Nov 5, 10:27 PM CSTSevere Thunderstorm WarningMEG48 min
Nov 5, 10:51 PM CSTAreal Flood AdvisoryMEG73 min
Nov 5, 11:01 PM CSTTornado Warning Considerable damage threatMEG44 min
Nov 5, 11:22 PM CSTTornado Warning Considerable damage threatMEG34 min
Nov 5, 11:29 PM CSTFlash Flood WarningMEG74 min
Nov 6, 1:22 AM CSTDense Fog AdvisoryMEG7 hr
Nov 8, 3:00 AM CSTFreeze WatchMEG12 hr
Nov 8, 3:02 PM CSTFreeze WarningMEG42 hr
Nov 10, 3:14 AM CSTFreeze WarningMEG30 hr
Nov 13, 1:50 PM CSTWinter Weather AdvisoryMEG43 hr
Nov 21, 4:08 AM CSTFreezing Fog AdvisoryMEG5 hr
Nov 24, 10:24 PM CSTDense Fog AdvisoryMEG5 hr
Dec 11, 1:43 AM CSTFreezing Fog AdvisoryMEG10 hr
Dec 16, 2:21 PM CSTDense Fog AdvisoryMEG22 hr
Dec 18, 12:30 AM CSTDense Fog AdvisoryMEG7 hr
Dec 26, 10:40 AM CSTWind AdvisoryMEG28 hr
Dec 27, 12:53 PM CSTSpecial Weather StatementMEG52 min
Dec 31, 11:22 AM CSTMesoscale DiscussionSPC83 min
Dec 31, 11:47 AM CSTTornado WatchSPC5 hr
Dec 31, 12:08 PM CSTSpecial Weather StatementMEG37 min
Dec 31, 12:42 PM CSTSpecial Weather StatementMEG48 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 archive20172019

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.