Alert archive / Mississippi / Jackson County

Weather alerts in Jackson County, Mississippi, 2010

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

Jackson County and its neighbors

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

Alerts
68
Warnings
34
Watches
12
Advisories
8
Busiest month
May18 alerts
Busiest day
May 29, 20106 alerts

Over time

By month

Warning verification

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

0 of 8 tornado warnings covering Jackson County in 2010 had a tornado report inside them.

Jackson County, 2010

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings80100%0
Severe thunderstorm warnings15380%2100%17 min
Flash flood warnings2150%0

Each office's whole area, 2010

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS New Orleans, LA: tornado warnings49688%1060%17 min
NWS New Orleans, LA: severe thunderstorm warnings1543081%6755%19 min
NWS New Orleans, LA: flash flood warnings27870%1275%73 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 23, 11:54 PM CSTMesoscale DiscussionSPC96 min
Jan 24, 6:01 AM CSTMesoscale DiscussionSPC119 min
Feb 4, 6:21 PM CSTAreal Flood AdvisoryLIX114 min
Feb 4, 9:02 PM CSTRiver Flood WarningLIX10 days
Feb 4, 9:02 PM CSTRiver Flood WarningMOB9 days
Feb 5, 9:55 AM CSTRiver Flood WarningLIX47 hr
Feb 15, 12:04 PM CSTRiver Flood WarningLIX6 hr
Feb 22, 1:33 AM CSTMesoscale DiscussionSPC2 hr
Mar 10, 7:36 PM CSTMesoscale DiscussionSPC54 min
Mar 10, 7:46 PM CSTTornado WatchSPC4 hr
Apr 24, 2:16 AM CDTSevere Thunderstorm WarningLIX29 min
Apr 24, 6:15 AM CDTTornado WatchSPC7 hr
Apr 24, 12:47 PM CDTTornado WatchSPC7 hr
May 2, 8:01 AM CDTTornado WatchSPC7 hr
May 16, 1:35 AM CDTAreal Flood AdvisoryLIX115 min
May 16, 8:53 AM CDTFlash Flood WarningLIX3 hr
May 16, 9:47 AM CDTTornado WarningLIX28 min
May 17, 3:44 PM CDTSevere Thunderstorm WarningLIX61 min
May 17, 4:08 PM CDTSevere Thunderstorm WarningLIX52 min
May 17, 4:44 PM CDTSevere Thunderstorm WarningLIX33 min
May 18, 7:01 PM CDTSevere Thunderstorm WarningLIX39 min
May 25, 2:35 PM CDTSevere Thunderstorm WarningLIX25 min
May 25, 4:50 PM CDTSevere Thunderstorm WarningLIX25 min
May 25, 5:30 PM CDTSevere Thunderstorm WarningLIX15 min
May 28, 8:54 PM CDTSevere Thunderstorm WarningLIX50 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 29, 5:20 PM CDTAreal Flood AdvisoryLIX3 hr
May 30, 4:39 PM CDTMesoscale DiscussionSPC96 min
Jun 1, 2:48 PM CDTAreal Flood AdvisoryLIX117 min
Jun 2, 3:37 PM CDTTornado WarningLIX23 min
Jun 3, 10:43 PM CDTTornado WarningLIX32 min
Jun 5, 4:58 PM CDTSevere Thunderstorm WarningLIX62 min
Jun 30, 12:48 PM CDTAreal Flood AdvisoryLIX117 min
Jun 30, 1:43 PM CDTFlash Flood WarningLIX4 hr
Jul 16, 9:43 AM CDTSevere Thunderstorm WarningLIX47 min
Jul 16, 10:27 AM CDTSevere Thunderstorm WarningLIX48 min
Jul 25, 10:50 AM CDTMesoscale DiscussionSPC55 min
Aug 8, 3:56 PM CDTAreal Flood AdvisoryLIX2 hr
Aug 12, 9:59 AM CDTAreal Flood AdvisoryLIX2 hr
Aug 13, 7:24 AM CDTAreal Flood AdvisoryLIX2 hr
Aug 22, 1:53 PM CDTMesoscale DiscussionSPC2 hr
Aug 22, 4:11 PM CDTSevere Thunderstorm WarningLIX34 min
Sep 30, 2:58 PM CDTFire Weather WatchLIX23 hr
Oct 1, 1:42 PM CDTFire Weather WatchLIX3 days
Oct 1, 1:42 PM CDTRed Flag WarningLIX26 hr
Oct 3, 6:01 AM CDTFire Weather WatchLIX25 hr
Oct 3, 6:01 AM CDTRed Flag WarningLIX13 hr
Oct 4, 5:19 AM CDTRed Flag WarningLIX14 hr
Oct 4, 3:22 PM CDTFire Weather WatchLIX28 hr
Oct 5, 4:53 AM CDTRed Flag WarningLIX14 hr
Oct 24, 5:33 PM CDTMesoscale DiscussionSPC87 min
Oct 27, 3:49 PM CDTFire Weather WatchLIX26 hr
Oct 27, 4:36 PM CDTTornado WarningLIX24 min
Oct 27, 5:51 PM CDTTornado WarningLIX24 min
Oct 27, 6:14 PM CDTTornado WarningLIX31 min
Oct 27, 6:24 PM CDTTornado WarningLIX51 min
Oct 27, 6:57 PM CDTTornado WarningLIX48 min
Nov 2, 11:57 AM CDTMesoscale DiscussionSPC3 hr
Nov 3, 9:50 AM CDTSevere Thunderstorm WarningLIX25 min
Nov 3, 10:09 AM CDTSevere Thunderstorm WarningLIX36 min
Nov 3, 10:14 AM CDTMesoscale DiscussionSPC2 hr
Nov 30, 3:49 AM CSTTornado WatchSPC8 hr
Dec 11, 6:13 PM CSTMesoscale DiscussionSPC92 min
Dec 13, 10:54 AM CSTRed Flag WarningLIX6 hr
Dec 31, 11:39 AM 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.