Alert archive / Arkansas / Desha County

Weather alerts in Desha County, Arkansas, 2011

243 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Desha County and its neighbors

Each county as a circle sized by its count in 2011. Tap one for its archive.

Alerts
243
Warnings
92
Watches
26
Advisories
67
Busiest month
April91 alerts
Busiest day
April 26, 201126 alerts

Over time

By month

Warning verification

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

2 of 14 tornado warnings covering Desha County in 2011 had a tornado report inside them; 0 of 1 tornado reports fell inside a warning.

Desha County, 2011

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings14286%10%
Severe thunderstorm warnings571475%786%20 min
Flash flood warnings10190%0

Each office's whole area, 2011

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Little Rock, AR: tornado warnings1852686%4687%18 min
NWS Little Rock, AR: severe thunderstorm warnings90330966%65883%21 min
NWS Little Rock, AR: flash flood warnings1442384%5689%103 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 7, 2:52 PM CSTWinter Storm WatchLZK25 hr
Jan 8, 3:26 PM CSTWinter Storm WarningLZK37 hr
Jan 10, 4:53 AM CSTWinter Weather AdvisoryLZK22 hr
Jan 18, 4:03 AM CSTDense Fog AdvisoryLZK5 hr
Jan 31, 3:24 PM CSTWind AdvisoryLZK31 hr
Feb 1, 6:46 AM CSTMesoscale DiscussionSPC119 min
Feb 3, 11:57 AM CSTWinter Weather AdvisoryLZK44 hr
Feb 4, 5:28 AM CSTMesoscale DiscussionSPC6 hr
Feb 7, 11:44 AM CSTWinter Storm WatchLZK28 hr
Feb 8, 3:00 AM CSTWinter Storm WarningLZK37 hr
Feb 9, 10:03 AM CSTMesoscale DiscussionSPC6 hr
Feb 9, 4:06 PM CSTWinter Weather AdvisoryLZK2 hr
Feb 9, 6:08 PM CSTWinter Weather AdvisoryLZK2 hr
Feb 17, 3:40 AM CSTLake Wind AdvisoryLZK14 hr
Feb 20, 4:00 AM CSTLake Wind AdvisoryLZK14 hr
Feb 20, 2:47 PM CSTLake Wind AdvisoryLZK27 hr
Feb 24, 2:34 PM CSTTornado WatchSPC7 hr
Feb 24, 5:26 PM CSTMesoscale DiscussionSPC94 min
Feb 24, 6:09 PM CSTSevere Thunderstorm WarningLZK66 min
Feb 27, 4:54 AM CSTLake Wind AdvisoryLZK14 hr
Feb 28, 4:36 AM CSTLake Wind AdvisoryLZK13 hr
Feb 28, 5:28 AM CSTMesoscale DiscussionSPC62 min
Mar 1, 4:50 PM CSTRiver Flood AdvisoryJAN6 days
Mar 7, 12:44 PM CSTRiver Flood AdvisoryJAN10 days
Mar 8, 7:30 AM CSTMesoscale DiscussionSPC90 min
Mar 8, 12:54 PM CSTMesoscale DiscussionSPC36 min
Mar 9, 3:28 AM CSTLake Wind AdvisoryLZK15 hr
Mar 15, 1:47 PM CDTRiver Flood WarningJAN14 days
Mar 21, 2:47 PM CDTLake Wind AdvisoryLZK28 hr
Mar 23, 3:15 AM CDTLake Wind AdvisoryLZK16 hr
Mar 26, 2:27 PM CDTMesoscale DiscussionSPC63 min
Mar 26, 3:27 PM CDTTornado WatchSPC7 hr
Mar 26, 7:33 PM CDTSpecial Weather StatementLZK17 min
Mar 26, 7:34 PM CDTSpecial Weather StatementLZK31 min
Mar 26, 7:46 PM CDTSevere Thunderstorm WarningLZK29 min
Mar 26, 8:26 PM CDTSpecial Weather StatementLZK29 min
Mar 26, 8:32 PM CDTMesoscale DiscussionSPC58 min
Mar 29, 5:26 PM CDTMesoscale DiscussionSPC2 hr
Apr 1, 12:47 AM CDTDense Fog AdvisoryLZK8 hr
Apr 2, 3:25 PM CDTWind AdvisoryLZK28 hr
Apr 3, 3:38 PM CDTLake Wind AdvisoryLZK30 hr
Apr 4, 7:22 AM CDTTornado WatchSPC7 hr
Apr 4, 10:09 AM CDTSevere Thunderstorm WarningLZK36 min
Apr 4, 10:41 AM CDTSevere Thunderstorm WarningLZK34 min
Apr 4, 10:45 AM CDTSevere Thunderstorm WarningLZK45 min
Apr 4, 11:11 AM CDTSevere Thunderstorm WarningLZK34 min
Apr 6, 4:30 AM CDTLake Wind AdvisoryLZK15 hr
Apr 6, 4:31 AM CDTRed Flag WarningLZK14 hr
Apr 9, 2:17 PM CDTLake Wind AdvisoryLZK29 hr
Apr 11, 9:46 AM CDTMesoscale DiscussionSPC29 min
Apr 11, 10:31 AM CDTTornado WatchSPC6 hr
Apr 11, 12:37 PM CDTMesoscale DiscussionSPC53 min
Apr 11, 3:43 PM CDTLake Wind AdvisoryLZK4 hr
Apr 12, 2:05 PM CDTRiver Flood AdvisoryJAN8 days
Apr 14, 3:17 PM CDTLake Wind AdvisoryLZK49 hr
Apr 15, 1:27 AM CDTMesoscale DiscussionSPC93 min
Apr 15, 2:19 AM CDTTornado WatchSPC8 hr
Apr 15, 3:42 AM CDTSevere Thunderstorm WarningLZK63 min
Apr 15, 4:14 AM CDTTornado WarningLZK46 min
Apr 15, 4:55 AM CDTSevere Thunderstorm WarningLZK30 min
Apr 18, 4:01 PM CDTWind AdvisoryLZK28 hr
Apr 19, 6:46 PM CDTTornado WatchSPC9 hr
Apr 19, 10:00 PM CDTSevere Thunderstorm WarningLZK45 min
Apr 20, 1:01 AM CDTSevere Thunderstorm WarningLZK44 min
Apr 20, 1:11 AM CDTSevere Thunderstorm WarningLZK49 min
Apr 20, 1:45 AM CDTSevere Thunderstorm WarningLZK45 min
Apr 20, 1:46 AM CDTSevere Thunderstorm WarningLZK44 min
Apr 20, 11:37 AM CDTRiver Flood WarningJAN52 days
Apr 20, 12:46 PM CDTMesoscale DiscussionSPC89 min
Apr 20, 2:04 PM CDTSevere Thunderstorm WatchSPC7 hr
Apr 20, 5:56 PM CDTMesoscale DiscussionSPC2 hr
Apr 20, 7:35 PM CDTFlash Flood WarningLZK3 hr
Apr 20, 10:22 PM CDTMesoscale DiscussionSPC83 min
Apr 22, 4:24 AM CDTLake Wind AdvisoryLZK15 hr
Apr 23, 4:51 AM CDTFlash Flood WatchLZK4 days
Apr 25, 4:41 AM CDTSevere Thunderstorm WatchSPC7 hr
Apr 25, 5:03 AM CDTLake Wind AdvisoryLZK17 hr
Apr 25, 8:37 AM CDTMesoscale DiscussionSPC53 min
Apr 25, 3:22 PM CDTTornado Watch PDSSPC8 hr
Apr 25, 7:34 PM CDTMesoscale DiscussionSPC116 min
Apr 25, 8:08 PM CDTFlash Flood WarningLZK3 hr
Apr 25, 8:24 PM CDTSevere Thunderstorm WarningLZK51 min
Apr 25, 9:03 PM CDTSevere Thunderstorm WarningLZK42 min
Apr 25, 9:36 PM CDTSevere Thunderstorm WarningLZK39 min
Apr 25, 9:37 PM CDTSevere Thunderstorm WarningLZK53 min
Apr 25, 9:48 PM CDTSevere Thunderstorm WarningLZK42 min
Apr 25, 10:09 PM CDTSevere Thunderstorm WarningLZK51 min
Apr 25, 10:22 PM CDTSevere Thunderstorm WarningLZK53 min
Apr 25, 10:54 PM CDTFlash Flood WarningLZK4 hr
Apr 26, 12:19 AM CDTSevere Thunderstorm WarningLZK41 min
Apr 26, 2:41 AM CDTTornado WarningLZK34 min
Apr 26, 2:56 AM CDTSevere Thunderstorm WarningLZK49 min
Apr 26, 3:25 AM CDTFlash Flood WarningLZK3 hr
Apr 26, 10:11 AM CDTRiver Flood WarningLZK4 days
Apr 26, 2:41 PM CDTMesoscale DiscussionSPC94 min
Apr 26, 3:02 PM CDTTornado Watch PDSSPC7 hr
Apr 26, 3:49 PM CDTSevere Thunderstorm WarningLZK41 min
Apr 26, 4:14 PM CDTTornado WarningLZK46 min
Apr 26, 4:29 PM CDTSevere Thunderstorm WarningLZK46 min
Apr 26, 4:53 PM CDTTornado WarningLZK52 min
Apr 26, 5:28 PM CDTFlash Flood WarningLZK2 hr
Apr 26, 5:28 PM CDTTornado WarningLZK47 min
Apr 26, 5:41 PM CDTTornado WarningLZK49 min
Apr 26, 6:17 PM CDTMesoscale DiscussionSPC118 min
Apr 26, 6:28 PM CDTTornado WarningLZK17 min
Apr 26, 9:13 PM CDTMesoscale DiscussionSPC62 min
Apr 26, 9:33 PM CDTTornado Watch PDSSPC7 hr
Apr 26, 10:57 PM CDTSevere Thunderstorm WarningLZK48 min
Apr 26, 11:00 PM CDTFlash Flood WarningLZK6 hr
Apr 26, 11:18 PM CDTSevere Thunderstorm WarningLZK42 min
Apr 26, 11:29 PM CDTTornado WarningLZK31 min
Apr 26, 11:33 PM CDTMesoscale DiscussionSPC117 min
Apr 26, 11:42 PM CDTSevere Thunderstorm WarningLZK48 min
Apr 27, 12:00 AM CDTSevere Thunderstorm WarningLZK30 min
Apr 27, 4:53 AM CDTSevere Thunderstorm WatchSPC5 hr
Apr 27, 5:10 AM CDTFlash Flood WarningLZK3 hr
Apr 27, 6:25 AM CDTMesoscale DiscussionSPC65 min
Apr 27, 6:41 AM CDTSevere Thunderstorm WarningLZK49 min
Apr 27, 7:28 AM CDTSevere Thunderstorm WarningLZK47 min
Apr 27, 7:44 AM CDTTornado WarningLZK46 min
Apr 27, 7:51 AM CDTFlash Flood WarningLZK2 hr
Apr 27, 8:15 AM CDTSevere Thunderstorm WarningLZK30 min
Apr 27, 9:05 AM CDTSpecial Weather StatementLZK45 min
Apr 27, 9:48 AM CDTMesoscale DiscussionSPC27 min
Apr 27, 10:11 AM CDTLake Wind AdvisoryLZK9 hr
Apr 27, 10:56 AM CDTFlash Flood WarningLZK2 hr
Apr 27, 11:24 AM CDTSpecial Weather StatementLZK46 min
Apr 27, 11:36 AM CDTSevere Thunderstorm WarningLZK24 min
Apr 30, 8:36 AM CDTLake Wind AdvisoryLZK6 hr
May 1, 11:43 AM CDTRiver Flood WarningLZK17 days
May 1, 12:47 PM CDTTornado WatchSPC8 hr
May 1, 2:30 PM CDTAreal Flood WarningLZK6 hr
May 1, 3:18 PM CDTMesoscale DiscussionSPC87 min
May 1, 5:43 PM CDTMesoscale DiscussionSPC92 min
May 1, 8:10 PM CDTMesoscale DiscussionSPC35 min
May 2, 1:51 PM CDTMesoscale DiscussionSPC2 hr
May 3, 4:59 AM CDTAreal Flood WarningLZK6 hr
May 7, 10:28 AM CDTLake Wind AdvisoryLZK9 hr
May 9, 11:33 AM CDTLake Wind AdvisoryLZK7 hr
May 13, 2:31 PM CDTLake Wind AdvisoryLZK7 hr
May 14, 3:50 AM CDTLake Wind AdvisoryLZK16 hr
May 17, 10:48 AM CDTRiver Flood AdvisoryLZK36 hr
May 20, 10:30 AM CDTMesoscale DiscussionSPC60 min
May 21, 12:50 PM CDTRiver Flood AdvisoryLZK36 hr
May 21, 8:31 PM CDTMesoscale DiscussionSPC89 min
May 22, 2:40 AM CDTLake Wind AdvisoryLZK13 hr
May 22, 5:18 AM CDTMesoscale DiscussionSPC57 min
May 22, 7:03 AM CDTSevere Thunderstorm WatchSPC7 hr
May 22, 11:15 AM CDTMesoscale DiscussionSPC90 min
May 25, 3:56 AM CDTLake Wind AdvisoryLZK18 hr
May 25, 11:52 AM CDTMesoscale DiscussionSPC83 min
May 25, 12:28 PM CDTTornado Watch PDSSPC8 hr
May 25, 2:56 PM CDTMesoscale DiscussionSPC94 min
May 25, 5:40 PM CDTTornado WarningLZK50 min
May 25, 6:28 PM CDTTornado WarningLZK47 min
May 25, 7:09 PM CDTTornado WarningLZK21 min
May 25, 7:12 PM CDTSevere Thunderstorm WarningLZK48 min
May 25, 7:22 PM CDTMesoscale DiscussionSPC53 min
May 25, 7:28 PM CDTSevere Thunderstorm WarningLZK47 min
May 25, 7:35 PM CDTTornado WarningLZK25 min
May 25, 7:44 PM CDTSevere Thunderstorm WarningLZK46 min
May 25, 8:02 PM CDTSevere Thunderstorm WarningLZK43 min
May 25, 8:25 PM CDTSevere Thunderstorm WarningLZK35 min
May 28, 3:55 AM CDTLake Wind AdvisoryLZK15 hr
May 29, 3:51 AM CDTLake Wind AdvisoryLZK15 hr
Jun 3, 8:35 AM CDTHeat AdvisoryLZK10 hr
Jun 3, 2:26 PM CDTHeat AdvisoryLZK29 hr
Jun 13, 10:05 AM CDTSevere Thunderstorm WatchSPC8 hr
Jun 13, 1:32 PM CDTMesoscale DiscussionSPC58 min
Jun 13, 4:27 PM CDTSevere Thunderstorm WarningLZK48 min
Jun 15, 10:54 AM CDTMesoscale DiscussionSPC2 hr
Jun 16, 1:43 PM CDTSevere Thunderstorm WarningLZK47 min
Jun 16, 2:29 PM CDTSevere Thunderstorm WarningLZK46 min
Jun 16, 2:56 PM CDTSevere Thunderstorm WarningLZK34 min
Jun 16, 3:31 PM CDTSevere Thunderstorm WarningLZK29 min
Jun 16, 3:41 PM CDTMesoscale DiscussionSPC64 min
Jun 16, 3:59 PM CDTSevere Thunderstorm WarningLZK46 min
Jun 16, 4:41 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 16, 4:46 PM CDTSevere Thunderstorm WarningLZK44 min
Jun 16, 5:34 PM CDTSevere Thunderstorm WarningLZK56 min
Jun 16, 5:52 PM CDTSevere Thunderstorm WarningLZK38 min
Jun 16, 6:18 PM CDTMesoscale DiscussionSPC87 min
Jun 16, 6:29 PM CDTSevere Thunderstorm WarningLZK46 min
Jun 19, 8:47 AM CDTHeat AdvisoryLZK10 hr
Jun 20, 11:33 AM CDTLake Wind AdvisoryLZK7 hr
Jun 24, 12:58 PM CDTMesoscale DiscussionSPC2 hr
Jun 24, 3:42 PM CDTMesoscale DiscussionSPC93 min
Jun 24, 5:53 PM CDTSevere Thunderstorm WarningLZK27 min
Jun 28, 3:19 AM CDTHeat AdvisoryLZK7 hr
Jun 28, 7:06 AM CDTSevere Thunderstorm WatchSPC5 hr
Jul 4, 12:52 PM CDTMesoscale DiscussionSPC53 min
Jul 4, 3:58 PM CDTSevere Thunderstorm WarningLZK47 min
Jul 4, 4:16 PM CDTSevere Thunderstorm WarningLZK29 min
Jul 4, 4:43 PM CDTSevere Thunderstorm WarningLZK28 min
Jul 4, 4:58 PM CDTFlash Flood WarningLZK2 hr
Jul 8, 3:06 PM CDTHeat AdvisoryLZK29 hr
Jul 8, 3:06 PM CDTHeat AdvisoryLZK6 days
Jul 13, 1:57 PM CDTMesoscale DiscussionSPC93 min
Jul 13, 6:50 PM CDTSevere Thunderstorm WarningLZK40 min
Jul 16, 3:51 AM CDTHeat AdvisoryLZK35 hr
Jul 19, 3:57 AM CDTHeat AdvisoryLZK10 days
Jul 25, 5:35 PM CDTSpecial Weather StatementLZK45 min
Jul 30, 2:56 PM CDTHeat AdvisoryLZK69 hr
Aug 2, 2:02 AM CDTExcessive Heat WatchLZK10 hr
Aug 2, 12:22 PM CDTExcessive Heat WarningLZK55 hr
Aug 2, 12:22 PM CDTHeat AdvisoryLZK7 days
Aug 7, 1:46 PM CDTMesoscale DiscussionSPC119 min
Aug 7, 4:12 PM CDTSevere Thunderstorm WarningLZK48 min
Aug 8, 8:39 PM CDTSevere Thunderstorm WatchSPC6 hr
Aug 8, 11:27 PM CDTMesoscale DiscussionSPC93 min
Aug 13, 2:43 PM CDTMesoscale DiscussionSPC2 hr
Aug 19, 2:39 PM CDTHeat AdvisoryLZK30 hr
Aug 23, 3:19 PM CDTHeat AdvisoryLZK22 hr
Sep 4, 3:34 AM CDTLake Wind AdvisoryLZK39 hr
Sep 21, 6:04 AM CDTDense Fog AdvisoryLZK3 hr
Sep 25, 3:55 AM CDTLake Wind AdvisoryLZK15 hr
Sep 25, 2:03 PM CDTMesoscale DiscussionSPC2 hr
Sep 25, 3:19 PM CDTTornado WatchSPC9 hr
Sep 25, 6:10 PM CDTMesoscale DiscussionSPC95 min
Sep 25, 6:25 PM CDTTornado WarningLZK35 min
Sep 25, 7:02 PM CDTSpecial Weather StatementLZK43 min
Sep 25, 7:16 PM CDTSevere Thunderstorm WarningLZK44 min
Sep 25, 7:22 PM CDTSevere Thunderstorm WarningLZK38 min
Sep 25, 7:58 PM CDTSevere Thunderstorm WarningLZK47 min
Sep 25, 8:31 PM CDTSevere Thunderstorm WarningLZK44 min
Sep 27, 1:36 AM CDTMesoscale DiscussionSPC114 min
Sep 27, 2:17 AM CDTSpecial Weather StatementLZK58 min
Oct 17, 2:15 PM CDTLake Wind AdvisoryLZK38 hr
Oct 19, 4:08 AM CDTLake Wind AdvisoryLZK15 hr
Oct 20, 11:38 AM CDTFrost AdvisoryLZK21 hr
Oct 24, 2:50 AM CDTDense Fog AdvisoryLZK8 hr
Nov 2, 2:10 PM CDTLake Wind AdvisoryLZK29 hr
Nov 8, 5:30 PM CSTTornado WatchSPC7 hr
Nov 8, 9:21 PM CSTMesoscale DiscussionSPC84 min
Nov 10, 2:21 PM CSTFreeze WarningLZK18 hr
Nov 11, 1:54 PM CSTLake Wind AdvisoryLZK28 hr
Nov 13, 3:58 AM CSTLake Wind AdvisoryLZK14 hr
Nov 25, 12:45 AM CSTDense Fog AdvisoryLZK8 hr
Dec 2, 1:33 PM CSTRiver Flood AdvisoryJAN20 days
Dec 3, 3:20 AM CSTFlash Flood WatchLZK58 hr
Dec 13, 5:16 PM CSTDense Fog AdvisoryLZK15 hr
Dec 14, 8:03 AM CSTDense Fog AdvisoryLZK2 hr
Dec 22, 11:56 AM CSTRiver Flood AdvisoryJAN10 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 archive20102012

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.