Alert archive / Mississippi / Lawrence County

Weather alerts in Lawrence County, Mississippi, 2010

128 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Lawrence County and its neighbors

Each county as a circle sized by its count in 2010. Tap one for its archive.

Alerts
128
Warnings
44
Watches
31
Advisories
23
Busiest month
November20 alerts
Busiest day
November 30, 201010 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 6 tornado warnings covering Lawrence County in 2010 had a tornado report inside them.

Lawrence County, 2010

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings6183%0
Severe thunderstorm warnings221436%1560%16 min
Flash flood warnings4325%1100%26 min

Each office's whole area, 2010

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Jackson, MS: tornado warnings1112974%9789%32 min
NWS Jackson, MS: severe thunderstorm warnings62033746%70775%20 min
NWS Jackson, MS: flash flood warnings1115451%10291%60 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 5, 2:49 PM CSTHard Freeze WatchJAN38 hr
Jan 7, 4:24 AM CSTHard Freeze WarningJAN4 days
Jan 7, 4:52 AM CSTWind Chill AdvisoryJAN35 hr
Jan 17, 9:36 PM CSTDense Fog AdvisoryJAN11 hr
Jan 20, 3:13 PM CSTTornado WatchSPC7 hr
Jan 20, 6:03 PM CSTSevere Thunderstorm WarningJAN57 min
Jan 20, 8:59 PM CSTMesoscale DiscussionSPC91 min
Jan 20, 9:28 PM CSTFlash Flood WarningJAN3 hr
Jan 20, 9:36 PM CSTTornado WatchSPC7 hr
Jan 20, 11:39 PM CSTMesoscale DiscussionSPC66 min
Jan 21, 1:13 AM CSTMesoscale DiscussionSPC62 min
Jan 21, 3:34 AM CSTMesoscale DiscussionSPC56 min
Jan 22, 3:22 PM CSTLake Wind AdvisoryJAN35 hr
Jan 23, 11:54 PM CSTMesoscale DiscussionSPC96 min
Jan 24, 2:50 PM CSTLake Wind AdvisoryJAN26 hr
Jan 29, 10:03 AM CSTMesoscale DiscussionSPC87 min
Jan 30, 11:02 AM CSTRiver Flood WarningJAN3 days
Feb 3, 2:14 PM CSTFlash Flood WatchJAN34 hr
Feb 4, 10:21 AM CSTRiver Flood WarningJAN8 days
Feb 8, 3:46 PM CSTLake Wind AdvisoryJAN26 hr
Feb 10, 3:33 AM CSTWinter Storm WatchJAN25 hr
Feb 11, 4:41 AM CSTWinter Storm WarningJAN33 hr
Feb 11, 11:30 PM CSTMesoscale DiscussionSPC5 hr
Feb 14, 3:04 PM CSTLake Wind AdvisoryJAN24 hr
Feb 21, 6:50 PM CSTMesoscale DiscussionSPC55 min
Feb 21, 8:17 PM CSTSevere Thunderstorm WarningJAN58 min
Mar 24, 5:10 AM CDTDense Fog AdvisoryJAN4 hr
Apr 3, 3:13 PM CDTDense Fog AdvisoryJAN18 hr
Apr 23, 12:51 PM CDTTornado WatchSPC9 hr
Apr 24, 6:00 AM CDTTornado Watch PDSSPC6 hr
Apr 24, 7:13 AM CDTSevere Thunderstorm WarningJAN47 min
Apr 24, 7:56 AM CDTSevere Thunderstorm WarningJAN64 min
Apr 24, 8:07 AM CDTTornado WarningJAN68 min
Apr 24, 10:28 AM CDTMesoscale DiscussionSPC92 min
Apr 24, 11:31 AM CDTTornado Watch PDSSPC8 hr
May 1, 9:52 AM CDTTornado WatchSPC8 hr
May 2, 6:55 AM CDTMesoscale DiscussionSPC2 hr
May 2, 8:01 AM CDTTornado WatchSPC7 hr
May 3, 12:08 AM CDTDense Fog AdvisoryJAN9 hr
May 8, 4:23 AM CDTSevere Thunderstorm WarningJAN67 min
May 15, 12:04 PM CDTMesoscale DiscussionSPC116 min
May 15, 2:23 PM CDTSevere Thunderstorm WarningJAN52 min
May 20, 10:28 AM CDTSevere Thunderstorm WatchSPC12 hr
May 20, 4:40 PM CDTSevere Thunderstorm WarningJAN65 min
May 20, 6:08 PM CDTMesoscale DiscussionSPC67 min
May 24, 5:50 PM CDTSevere Thunderstorm WarningJAN40 min
May 29, 10:25 AM CDTMesoscale DiscussionSPC65 min
May 29, 12:11 PM CDTMesoscale DiscussionSPC34 min
May 29, 12:34 PM CDTSevere Thunderstorm WatchSPC7 hr
May 29, 4:36 PM CDTMesoscale DiscussionSPC54 min
May 30, 4:39 PM CDTMesoscale DiscussionSPC96 min
Jun 4, 1:22 PM CDTFlash Flood WarningJAN3 hr
Jun 5, 1:19 PM CDTSevere Thunderstorm WarningJAN41 min
Jun 11, 2:20 PM CDTHeat AdvisoryJAN3 days
Jun 15, 4:12 PM CDTSevere Thunderstorm WarningJAN63 min
Jun 15, 4:15 PM CDTSevere Thunderstorm WarningJAN60 min
Jun 18, 1:06 PM CDTMesoscale DiscussionSPC114 min
Jun 19, 2:16 PM CDTHeat AdvisoryJAN29 hr
Jun 19, 4:30 PM CDTSevere Thunderstorm WarningJAN45 min
Jun 28, 2:57 PM CDTSevere Thunderstorm WarningJAN48 min
Jul 16, 4:01 PM CDTSevere Thunderstorm WarningJAN44 min
Jul 16, 4:09 PM CDTSevere Thunderstorm WarningJAN36 min
Jul 16, 4:24 PM CDTFlash Flood WarningJAN2 hr
Jul 25, 5:57 AM CDTMesoscale DiscussionSPC2 hr
Jul 25, 8:50 AM CDTFlash Flood WarningJAN3 hr
Jul 25, 10:30 AM CDTFlash Flood WatchJAN4 hr
Jul 30, 4:45 AM CDTHeat AdvisoryJAN3 days
Aug 1, 1:39 PM CDTExcessive Heat WarningJAN4 days
Aug 3, 4:19 AM CDTHeat AdvisoryJAN34 hr
Aug 4, 2:54 PM CDTSevere Thunderstorm WarningJAN36 min
Aug 4, 3:33 PM CDTSevere Thunderstorm WarningJAN42 min
Aug 5, 4:56 AM CDTHeat AdvisoryJAN38 hr
Aug 7, 2:51 PM CDTHeat AdvisoryJAN9 days
Aug 15, 6:10 PM CDTSevere Thunderstorm WarningJAN50 min
Aug 15, 6:57 PM CDTSevere Thunderstorm WarningJAN48 min
Aug 17, 2:00 PM CDTFlash Flood WatchJAN38 hr
Aug 21, 3:54 AM CDTHeat AdvisoryJAN39 hr
Aug 22, 1:53 PM CDTMesoscale DiscussionSPC2 hr
Aug 22, 8:08 PM CDTSevere Thunderstorm WarningJAN67 min
Aug 22, 8:36 PM CDTSevere Thunderstorm WarningJAN37 min
Sep 10, 7:02 AM CDTDense Fog AdvisoryJAN118 min
Sep 23, 11:19 AM CDTFire Weather WatchJAN32 hr
Sep 29, 2:58 PM CDTFire Weather WatchJAN21 hr
Sep 30, 12:20 PM CDTFire Weather WatchJAN15 hr
Sep 30, 12:20 PM CDTRed Flag WarningJAN7 hr
Oct 1, 3:21 AM CDTFire Weather WatchJAN48 hr
Oct 1, 3:21 AM CDTRed Flag WarningJAN16 hr
Oct 2, 4:55 AM CDTFire Weather WatchJAN23 hr
Oct 2, 4:55 AM CDTRed Flag WarningJAN14 hr
Oct 3, 3:45 AM CDTFire Weather WatchJAN31 hr
Oct 3, 3:45 AM CDTRed Flag WarningJAN15 hr
Oct 4, 10:37 AM CDTFire Weather WatchJAN41 hr
Oct 4, 10:37 AM CDTRed Flag WarningJAN8 hr
Oct 12, 12:48 PM CDTSevere Thunderstorm WatchSPC7 hr
Oct 12, 5:24 PM CDTMesoscale DiscussionSPC66 min
Oct 24, 5:33 PM CDTMesoscale DiscussionSPC87 min
Oct 25, 3:54 PM CDTWind AdvisoryJAN24 hr
Oct 27, 6:40 PM CDTMesoscale DiscussionSPC65 min
Nov 4, 3:10 PM CDTFreeze WatchJAN13 hr
Nov 5, 4:10 AM CDTFreeze WatchJAN23 hr
Nov 5, 4:10 AM CDTFreeze WarningJAN30 hr
Nov 6, 3:22 AM CDTFreeze WarningJAN30 hr
Nov 20, 7:56 PM CSTDense Fog AdvisoryJAN13 hr
Nov 21, 1:55 PM CSTDense Fog AdvisoryJAN19 hr
Nov 23, 12:13 PM CSTMesoscale DiscussionSPC2 hr
Nov 23, 4:29 PM CSTDense Fog AdvisoryJAN16 hr
Nov 29, 3:29 PM CSTMesoscale DiscussionSPC91 min
Nov 29, 4:41 PM CSTTornado WatchSPC4 hr
Nov 29, 8:24 PM CSTMesoscale DiscussionSPC96 min
Nov 29, 8:49 PM CSTTornado WatchSPC7 hr
Nov 30, 1:26 AM CSTTornado WarningJAN64 min
Nov 30, 1:44 AM CSTMesoscale DiscussionSPC91 min
Nov 30, 2:22 AM CSTSevere Thunderstorm WarningJAN53 min
Nov 30, 2:28 AM CSTTornado WarningJAN62 min
Nov 30, 3:09 AM CSTTornado WarningJAN36 min
Nov 30, 3:17 AM CSTMesoscale DiscussionSPC58 min
Nov 30, 3:40 AM CSTTornado WarningJAN65 min
Nov 30, 3:49 AM CSTTornado WatchSPC8 hr
Dec 11, 2:31 PM CSTMesoscale DiscussionSPC89 min
Dec 11, 3:11 PM CSTWind AdvisoryJAN27 hr
Dec 11, 3:18 PM CSTTornado WatchSPC6 hr
Dec 11, 6:13 PM CSTMesoscale DiscussionSPC92 min
Dec 11, 7:32 PM CSTTornado WarningJAN28 min
Dec 12, 5:33 AM CSTWind Chill AdvisoryJAN27 hr
Dec 31, 9:42 AM CSTMesoscale DiscussionSPC2 hr
Dec 31, 11:39 AM CSTTornado WatchSPC7 hr
Dec 31, 1:34 PM CSTTornado WatchSPC6 hr
Dec 31, 3:58 PM CSTTornado WatchSPC7 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 archive20092011

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.