Alert archive / Mississippi / Marion County

Weather alerts in Marion County, Mississippi, 2008

186 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Marion County and its neighbors

Each county as a circle sized by its count in 2008. Tap one for its archive.

Alerts
186
Warnings
58
Watches
36
Advisories
34
Busiest month
September25 alerts
Busiest day
January 10, 200813 alerts

Over time

By month

Warning verification

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

4 of 16 tornado warnings covering Marion County in 2008 had a tornado report inside them; 3 of 3 tornado reports fell inside a warning, on average 15 minutes after it went out.

Marion County, 2008

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings16475%3100%15 min
Severe thunderstorm warnings281161%1958%20 min
Flash flood warnings5180%2100%18 min

Each office's whole area, 2008

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Jackson, MS: tornado warnings3157875%18681%23 min
NWS Jackson, MS: severe thunderstorm warnings82337055%1,05965%21 min
NWS Jackson, MS: flash flood warnings1365659%13479%96 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 8, 6:36 PM CSTTornado WatchSPC6 hr
Jan 8, 7:10 PM CSTSevere Thunderstorm WarningJAN50 min
Jan 8, 9:32 PM CSTMesoscale DiscussionSPC58 min
Jan 10, 10:11 AM CSTMesoscale DiscussionSPC64 min
Jan 10, 11:33 AM CSTTornado Watch PDSSPC9 hr
Jan 10, 11:55 AM CSTSevere Thunderstorm WarningJAN80 min
Jan 10, 12:09 PM CSTMesoscale DiscussionSPC96 min
Jan 10, 12:40 PM CSTTornado WarningJAN50 min
Jan 10, 1:18 PM CSTSevere Thunderstorm WarningJAN42 min
Jan 10, 1:31 PM CSTTornado WarningJAN44 min
Jan 10, 1:42 PM CSTMesoscale DiscussionSPC93 min
Jan 10, 2:25 PM CSTTornado WarningJAN35 min
Jan 10, 3:05 PM CSTMesoscale DiscussionSPC115 min
Jan 10, 3:15 PM CSTSevere Thunderstorm WarningJAN15 min
Jan 10, 3:42 PM CSTMesoscale DiscussionSPC93 min
Jan 10, 5:25 PM CSTMesoscale DiscussionSPC95 min
Jan 19, 6:40 AM CSTHeavy Snow WarningJAN2 hr
Jan 19, 9:24 AM CSTWinter Weather AdvisoryJAN3 hr
Jan 28, 2:48 PM CSTLake Wind AdvisoryJAN33 hr
Jan 31, 12:35 PM CSTTornado WatchSPC6 hr
Jan 31, 3:03 PM CSTSevere Thunderstorm WarningJAN42 min
Feb 3, 3:37 PM CSTLake Wind AdvisoryJAN26 hr
Feb 4, 2:59 PM CSTLake Wind AdvisoryJAN33 hr
Feb 5, 10:01 PM CSTTornado WatchSPC8 hr
Feb 6, 1:02 AM CSTMesoscale DiscussionSPC58 min
Feb 12, 9:53 AM CSTMesoscale DiscussionSPC67 min
Feb 12, 10:25 AM CSTTornado WatchSPC7 hr
Feb 12, 12:40 PM CSTMesoscale DiscussionSPC65 min
Feb 12, 1:22 PM CSTSevere Thunderstorm WarningJAN38 min
Feb 12, 1:52 PM CSTTornado WarningJAN38 min
Feb 12, 2:15 PM CSTTornado WarningJAN35 min
Feb 12, 2:19 PM CSTMesoscale DiscussionSPC116 min
Feb 16, 6:49 AM CSTMesoscale DiscussionSPC56 min
Feb 16, 10:14 AM CSTLake Wind AdvisoryJAN20 hr
Feb 17, 2:13 AM CSTMesoscale DiscussionSPC32 min
Feb 17, 2:45 AM CSTTornado WatchSPC5 hr
Feb 17, 4:39 AM CSTSevere Thunderstorm WarningJAN51 min
Feb 17, 4:59 AM CSTTornado WarningJAN61 min
Feb 21, 8:54 PM CSTTornado WatchSPC7 hr
Feb 22, 4:41 AM CSTMesoscale DiscussionSPC64 min
Feb 25, 5:01 AM CSTDense Fog AdvisoryJAN4 hr
Feb 25, 3:31 PM CSTLake Wind AdvisoryJAN26 hr
Feb 25, 11:20 PM CSTMesoscale DiscussionSPC85 min
Mar 2, 5:21 PM CSTLake Wind AdvisoryJAN35 hr
Mar 3, 2:25 PM CSTTornado WatchSPC11 hr
Mar 3, 5:56 PM CSTTornado WarningJAN49 min
Mar 3, 5:58 PM CSTMesoscale DiscussionSPC62 min
Mar 3, 6:12 PM CSTTornado WarningJAN48 min
Mar 3, 9:12 PM CSTSevere Thunderstorm WarningJAN48 min
Mar 3, 9:18 PM CSTTornado WarningJAN27 min
Mar 3, 9:45 PM CSTTornado WarningJAN30 min
Mar 15, 8:43 AM CDTLake Wind AdvisoryJAN9 hr
Mar 16, 3:41 PM CDTLake Wind AdvisoryJAN63 hr
Mar 18, 10:34 PM CDTMesoscale DiscussionSPC56 min
Mar 18, 10:51 PM CDTTornado WatchSPC8 hr
Mar 19, 7:21 AM CDTLake Wind AdvisoryJAN14 hr
Mar 25, 7:59 AM CDTRed Flag WarningJAN11 hr
Mar 29, 11:33 AM CDTMesoscale DiscussionSPC117 min
Apr 3, 2:59 PM CDTLake Wind AdvisoryJAN30 hr
Apr 4, 9:48 AM CDTTornado WatchSPC9 hr
Apr 4, 12:01 PM CDTMesoscale DiscussionSPC89 min
Apr 4, 5:02 PM CDTMesoscale DiscussionSPC88 min
Apr 4, 5:48 PM CDTTornado WatchSPC6 hr
Apr 9, 3:00 PM CDTLake Wind AdvisoryJAN32 hr
Apr 11, 7:59 AM CDTMesoscale DiscussionSPC2 hr
Apr 11, 3:07 PM CDTSevere Thunderstorm WatchSPC8 hr
Apr 13, 3:26 PM CDTFreeze WatchJAN13 hr
Apr 14, 4:00 AM CDTFreeze WarningJAN29 hr
Apr 18, 3:24 PM CDTMesoscale DiscussionSPC2 hr
Apr 18, 3:43 PM CDTTornado WatchSPC7 hr
Apr 18, 5:09 PM CDTSevere Thunderstorm WarningJAN52 min
Apr 18, 5:48 PM CDTTornado WarningJAN41 min
Apr 18, 6:07 PM CDTMesoscale DiscussionSPC53 min
Apr 22, 4:06 PM CDTMesoscale DiscussionSPC2 hr
Apr 25, 4:27 AM CDTDense Fog AdvisoryJAN5 hr
Apr 26, 1:48 PM CDTFlash Flood WatchJAN25 hr
May 1, 9:39 PM CDTLake Wind AdvisoryJAN23 hr
May 2, 2:21 PM CDTMesoscale DiscussionSPC114 min
May 2, 4:06 PM CDTFlash Flood WatchJAN16 hr
May 3, 3:57 AM CDTTornado WarningJAN48 min
May 3, 4:07 AM CDTTornado WatchSPC7 hr
May 7, 11:49 PM CDTMesoscale DiscussionSPC116 min
May 8, 10:20 AM CDTLake Wind AdvisoryJAN9 hr
May 11, 1:39 AM CDTMesoscale DiscussionSPC96 min
May 13, 4:24 PM CDTFlash Flood WatchJAN44 hr
May 14, 2:04 PM CDTTornado WatchSPC7 hr
May 14, 5:12 PM CDTMesoscale DiscussionSPC63 min
May 15, 4:16 AM CDTTornado WatchSPC7 hr
May 15, 7:41 AM CDTMesoscale DiscussionSPC94 min
May 15, 8:42 AM CDTMesoscale DiscussionSPC63 min
May 15, 9:03 AM CDTSevere Thunderstorm WarningJAN57 min
May 15, 9:41 AM CDTTornado WarningJAN49 min
May 15, 9:58 AM CDTFlash Flood WarningJAN102 min
May 22, 5:18 PM CDTMesoscale DiscussionSPC57 min
May 26, 8:09 PM CDTFlash Flood WarningJAN3 hr
Jun 10, 3:59 PM CDTSevere Thunderstorm WarningJAN31 min
Jun 12, 10:30 AM CDTMesoscale DiscussionSPC60 min
Jun 20, 1:37 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 20, 4:44 PM CDTMesoscale DiscussionSPC61 min
Jun 20, 4:54 PM CDTSevere Thunderstorm WarningJAN48 min
Jun 24, 6:01 PM CDTSevere Thunderstorm WarningJAN28 min
Jun 25, 2:12 PM CDTSevere Thunderstorm WarningJAN48 min
Jun 25, 2:42 PM CDTSevere Thunderstorm WarningJAN18 min
Jun 26, 4:22 PM CDTSevere Thunderstorm WarningJAN22 min
Jun 27, 5:19 PM CDTSevere Thunderstorm WarningJAN41 min
Jun 27, 5:48 PM CDTSevere Thunderstorm WarningJAN42 min
Jun 29, 9:18 AM CDTMesoscale DiscussionSPC117 min
Jul 26, 4:07 AM CDTHeat AdvisoryJAN4 days
Jul 29, 3:23 PM CDTSevere Thunderstorm WarningJAN37 min
Aug 1, 2:37 PM CDTExcessive Heat WatchJAN47 hr
Aug 2, 2:52 PM CDTHeat AdvisoryJAN23 hr
Aug 2, 10:57 PM CDTMesoscale DiscussionSPC93 min
Aug 2, 11:17 PM CDTSevere Thunderstorm WarningJAN43 min
Aug 2, 11:56 PM CDTSevere Thunderstorm WarningJAN34 min
Aug 7, 2:44 PM CDTMesoscale DiscussionSPC91 min
Aug 7, 6:19 PM CDTSevere Thunderstorm WarningJAN56 min
Aug 11, 2:47 PM CDTFlash Flood WatchJAN30 hr
Aug 12, 11:10 AM CDTMesoscale DiscussionSPC2 hr
Aug 12, 2:21 PM CDTTornado WatchSPC8 hr
Aug 12, 2:39 PM CDTSevere Thunderstorm WarningJAN51 min
Aug 12, 5:58 PM CDTMesoscale DiscussionSPC62 min
Aug 23, 4:57 AM CDTLake Wind AdvisoryJAN35 hr
Aug 23, 5:26 AM CDTFlash Flood WatchJAN54 hr
Aug 23, 3:49 PM CDTWind AdvisoryJAN13 hr
Aug 31, 5:29 AM CDTInland Tropical Storm WatchJAN62 hr
Aug 31, 4:29 PM CDTFlash Flood WatchJAN4 days
Aug 31, 4:30 PM CDTInland Tropical Storm WarningJAN35 hr
Aug 31, 5:39 PM CDTWind AdvisoryJAN52 hr
Sep 1, 6:30 AM CDTTornado WatchSPC9 hr
Sep 1, 9:49 AM CDTMesoscale DiscussionSPC86 min
Sep 1, 1:28 PM CDTTornado WarningJAN47 min
Sep 1, 3:51 PM CDTTornado WatchSPC8 hr
Sep 1, 6:28 PM CDTMesoscale DiscussionSPC2 hr
Sep 1, 10:17 PM CDTLake Wind AdvisoryJAN42 hr
Sep 1, 11:01 PM CDTMesoscale DiscussionSPC59 min
Sep 1, 11:41 PM CDTTornado WatchSPC7 hr
Sep 2, 3:42 AM CDTMesoscale DiscussionSPC93 min
Sep 2, 6:04 AM CDTMesoscale DiscussionSPC56 min
Sep 2, 6:34 AM CDTTornado WatchSPC9 hr
Sep 2, 6:47 AM CDTTornado WarningJAN21 min
Sep 2, 3:11 PM CDTMesoscale DiscussionSPC64 min
Sep 2, 3:54 PM CDTTornado WatchSPC6 hr
Sep 2, 4:36 PM CDTFlash Flood WarningJAN114 min
Sep 2, 7:40 PM CDTMesoscale DiscussionSPC2 hr
Sep 3, 5:58 PM CDTTornado WatchSPC8 hr
Sep 3, 9:06 PM CDTMesoscale DiscussionSPC84 min
Sep 3, 11:25 PM CDTMesoscale DiscussionSPC95 min
Sep 4, 8:55 AM CDTFlash Flood WarningJAN3 hr
Sep 11, 2:52 PM CDTLake Wind AdvisoryJAN67 hr
Sep 12, 11:48 AM CDTMesoscale DiscussionSPC87 min
Sep 14, 9:21 AM CDTMesoscale DiscussionSPC84 min
Sep 20, 1:31 PM CDTSevere Thunderstorm WarningJAN59 min
Sep 20, 2:12 PM CDTFlash Flood WarningJAN2 hr
Oct 7, 11:24 AM CDTMesoscale DiscussionSPC3 hr
Oct 27, 5:06 AM CDTLake Wind AdvisoryJAN12 hr
Oct 27, 10:12 AM CDTRed Flag WarningJAN8 hr
Oct 28, 4:51 AM CDTFreeze WarningJAN28 hr
Nov 5, 4:46 AM CSTDense Fog AdvisoryJAN3 hr
Nov 12, 9:40 PM CSTDense Fog AdvisoryJAN11 hr
Nov 24, 2:09 PM CSTSevere Thunderstorm WarningJAN42 min
Nov 28, 3:16 PM CSTMesoscale DiscussionSPC119 min
Nov 29, 5:27 AM CSTMesoscale DiscussionSPC93 min
Nov 29, 6:39 AM CSTAreal Flood AdvisoryJAN3 hr
Nov 30, 4:35 AM CSTLake Wind AdvisoryJAN13 hr
Dec 9, 4:27 AM CSTLake Wind AdvisoryJAN14 hr
Dec 9, 2:18 PM CSTMesoscale DiscussionSPC87 min
Dec 9, 3:51 PM CSTTornado WatchSPC9 hr
Dec 9, 4:39 PM CSTFlash Flood WatchJAN13 hr
Dec 9, 5:52 PM CSTMesoscale DiscussionSPC83 min
Dec 9, 6:19 PM CSTLake Wind AdvisoryJAN10 hr
Dec 9, 10:19 PM CSTMesoscale DiscussionSPC56 min
Dec 9, 10:50 PM CSTSevere Thunderstorm WarningJAN40 min
Dec 9, 10:59 PM CSTTornado WarningJAN31 min
Dec 9, 11:32 PM CSTSevere Thunderstorm WarningJAN43 min
Dec 10, 12:05 AM CSTSevere Thunderstorm WarningJAN25 min
Dec 10, 5:25 AM CSTWinter Storm WatchJAN11 hr
Dec 10, 4:13 PM CSTLake Wind AdvisoryJAN18 hr
Dec 10, 4:24 PM CSTWinter Storm WarningJAN23 hr
Dec 11, 7:49 AM CSTMesoscale DiscussionSPC2 hr
Dec 11, 10:37 AM CSTRiver Flood WarningJAN57 hr
Dec 11, 11:43 AM CSTMesoscale DiscussionSPC4 hr
Dec 15, 10:39 AM CSTRiver Flood WarningJAN70 hr
Dec 16, 2:38 PM CSTDense Fog AdvisoryJAN20 hr
Dec 17, 3:17 PM CSTDense Fog AdvisoryJAN24 hr
Dec 24, 3:20 PM CSTMesoscale DiscussionSPC85 min
Dec 26, 4:00 PM CSTLake Wind AdvisoryJAN28 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 archive20072009

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.