Alert archive / Arkansas / Ashley County

Weather alerts in Ashley County, Arkansas, 2009

206 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Ashley County and its neighbors

Each county as a circle sized by its count in 2009. Tap one for its archive.

Alerts
206
Warnings
59
Watches
45
Advisories
51
Busiest month
May36 alerts
Busiest day
December 24, 200912 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 3 tornado warnings covering Ashley County in 2009 had a tornado report inside them; 2 of 2 tornado reports fell inside a warning, on average 26 minutes after it went out.

Ashley County, 2009

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings3167%2100%26 min
Severe thunderstorm warnings291645%1788%32 min
Flash flood warnings13746%11100%125 min

Each office's whole area, 2009

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Jackson, MS: tornado warnings1262183%4173%18 min
NWS Jackson, MS: severe thunderstorm warnings60026456%64783%26 min
NWS Jackson, MS: flash flood warnings19110048%19893%107 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 2, 7:48 PM CSTDense Fog AdvisoryJAN10 hr
Jan 3, 4:29 PM CSTSevere Thunderstorm WatchSPC3 hr
Jan 4, 2:07 PM CSTMesoscale DiscussionSPC113 min
Jan 4, 2:46 PM CSTSevere Thunderstorm WarningJAN44 min
Jan 5, 4:14 AM CSTFlash Flood WatchJAN38 hr
Jan 14, 2:36 PM CSTHard Freeze WatchJAN19 hr
Jan 15, 4:35 AM CSTHard Freeze WarningJAN47 hr
Jan 15, 9:56 AM CSTLake Wind AdvisoryJAN8 hr
Jan 19, 3:27 AM CSTLake Wind AdvisoryJAN15 hr
Jan 23, 11:47 AM CSTLake Wind AdvisoryJAN4 hr
Jan 27, 4:12 AM CSTWinter Weather AdvisoryJAN28 hr
Feb 1, 2:38 PM CSTLake Wind AdvisoryJAN25 hr
Feb 6, 3:24 AM CSTLake Wind AdvisoryJAN15 hr
Feb 6, 3:05 PM CSTLake Wind AdvisoryJAN24 hr
Feb 8, 3:34 PM CSTLake Wind AdvisoryJAN32 hr
Feb 9, 4:43 AM CSTWind AdvisoryJAN11 hr
Feb 10, 5:26 AM CSTLake Wind AdvisoryJAN13 hr
Feb 10, 5:26 AM CSTLake Wind AdvisoryJAN38 hr
Feb 10, 5:26 AM CSTWind AdvisoryJAN33 hr
Feb 11, 12:37 AM CSTMesoscale DiscussionSPC53 min
Feb 11, 1:04 AM CSTTornado WatchSPC5 hr
Feb 11, 3:22 AM CSTSevere Thunderstorm WarningJAN53 min
Feb 11, 4:01 AM CSTMesoscale DiscussionSPC89 min
Feb 17, 4:15 AM CSTLake Wind AdvisoryJAN24 hr
Feb 17, 7:09 PM CSTSevere Thunderstorm WatchSPC6 hr
Feb 17, 9:45 PM CSTMesoscale DiscussionSPC2 hr
Feb 19, 6:30 AM CSTLake Wind AdvisoryJAN9 hr
Feb 25, 7:40 PM CSTLake Wind AdvisoryJAN26 hr
Feb 27, 7:53 AM CSTSevere Thunderstorm WarningJAN52 min
Feb 27, 8:08 AM CSTSevere Thunderstorm WarningJAN67 min
Feb 27, 8:29 AM CSTMesoscale DiscussionSPC31 min
Feb 27, 8:40 AM CSTSevere Thunderstorm WatchSPC6 hr
Feb 27, 8:55 AM CSTSevere Thunderstorm WarningJAN65 min
Feb 27, 10:15 AM CSTMesoscale DiscussionSPC90 min
Feb 27, 11:50 AM CSTTornado WarningJAN40 min
Feb 27, 12:38 PM CSTTornado WatchSPC7 hr
Feb 27, 6:38 PM CSTMesoscale DiscussionSPC97 min
Feb 28, 5:27 AM CSTWinter Weather AdvisoryJAN27 hr
Feb 28, 3:52 PM CSTLake Wind AdvisoryJAN26 hr
Mar 4, 2:46 PM CSTLake Wind AdvisoryJAN27 hr
Mar 5, 3:05 PM CSTLake Wind AdvisoryJAN27 hr
Mar 6, 2:23 PM CSTLake Wind AdvisoryJAN28 hr
Mar 7, 3:03 PM CSTLake Wind AdvisoryJAN27 hr
Mar 12, 4:00 AM CDTLake Wind AdvisoryJAN9 hr
Mar 23, 3:49 AM CDTLake Wind AdvisoryJAN12 hr
Mar 23, 3:38 PM CDTLake Wind AdvisoryJAN27 hr
Mar 25, 3:38 AM CDTFlood WatchJAN11 hr
Mar 25, 3:02 PM CDTFlash Flood WatchJAN13 hr
Mar 26, 4:07 AM CDTFlash Flood WatchJAN24 hr
Mar 27, 3:53 AM CDTFlash Flood WatchJAN26 hr
Mar 27, 5:53 PM CDTMesoscale DiscussionSPC97 min
Mar 27, 6:35 PM CDTTornado WatchSPC7 hr
Mar 27, 10:24 PM CDTMesoscale DiscussionSPC96 min
Mar 28, 3:54 AM CDTLake Wind AdvisoryJAN15 hr
Apr 1, 3:45 PM CDTLake Wind AdvisoryJAN32 hr
Apr 2, 8:01 AM CDTMesoscale DiscussionSPC59 min
Apr 2, 8:56 AM CDTSevere Thunderstorm WarningJAN20 min
Apr 2, 9:24 AM CDTTornado WatchSPC7 hr
Apr 2, 9:49 AM CDTSevere Thunderstorm WarningJAN41 min
Apr 2, 3:47 PM CDTSevere Thunderstorm WarningJAN43 min
Apr 5, 12:43 PM CDTLake Wind AdvisoryJAN27 hr
Apr 5, 9:42 PM CDTFreeze WatchJAN17 hr
Apr 6, 2:54 PM CDTFreeze WarningJAN17 hr
Apr 8, 2:35 PM CDTLake Wind AdvisoryJAN39 hr
Apr 9, 9:43 PM CDTMesoscale DiscussionSPC2 hr
Apr 9, 10:48 PM CDTTornado WatchSPC4 hr
Apr 9, 11:08 PM CDTTornado WarningJAN67 min
Apr 9, 11:47 PM CDTMesoscale DiscussionSPC58 min
Apr 10, 10:01 AM CDTLake Wind AdvisoryJAN5 hr
Apr 12, 3:45 AM CDTLake Wind AdvisoryJAN19 hr
Apr 12, 7:13 AM CDTMesoscale DiscussionSPC92 min
Apr 12, 10:50 AM CDTSevere Thunderstorm WarningJAN40 min
Apr 12, 11:22 AM CDTSevere Thunderstorm WarningJAN23 min
Apr 12, 12:00 PM CDTMesoscale DiscussionSPC90 min
Apr 12, 4:45 PM CDTSevere Thunderstorm WarningJAN45 min
Apr 25, 3:04 PM CDTLake Wind AdvisoryJAN28 hr
Apr 27, 8:03 AM CDTRiver Flood AdvisoryLZK23 hr
Apr 27, 7:08 PM CDTMesoscale DiscussionSPC67 min
Apr 30, 3:34 PM CDTMesoscale DiscussionSPC86 min
May 2, 9:23 AM CDTMesoscale DiscussionSPC97 min
May 2, 12:17 PM CDTTornado WatchSPC7 hr
May 2, 3:47 PM CDTMesoscale DiscussionSPC58 min
May 2, 5:25 PM CDTMesoscale DiscussionSPC95 min
May 2, 6:03 PM CDTTornado WatchSPC6 hr
May 2, 7:38 PM CDTMesoscale DiscussionSPC97 min
May 2, 8:38 PM CDTSevere Thunderstorm WarningJAN67 min
May 2, 10:40 PM CDTMesoscale DiscussionSPC2 hr
May 3, 2:39 AM CDTMesoscale DiscussionSPC2 hr
May 3, 4:02 AM CDTFlash Flood WatchJAN11 hr
May 3, 11:21 AM CDTAreal Flood WarningJAN4 hr
May 5, 4:24 AM CDTFlash Flood WatchJAN36 hr
May 5, 10:27 PM CDTSevere Thunderstorm WatchSPC8 hr
May 6, 12:54 AM CDTTornado WatchSPC5 hr
May 6, 3:05 AM CDTMesoscale DiscussionSPC115 min
May 6, 5:17 AM CDTSevere Thunderstorm WarningJAN58 min
May 6, 5:45 AM CDTSevere Thunderstorm WatchSPC7 hr
May 6, 6:58 AM CDTMesoscale DiscussionSPC3 hr
May 6, 7:22 AM CDTMesoscale DiscussionSPC83 min
May 6, 9:15 AM CDTFlash Flood WarningJAN3 hr
May 6, 10:08 AM CDTRiver Flood WarningLZK9 days
May 7, 2:56 PM CDTLake Wind AdvisoryJAN28 hr
May 9, 4:16 AM CDTFlash Flood WatchJAN35 hr
May 9, 12:33 PM CDTMesoscale DiscussionSPC57 min
May 9, 12:51 PM CDTSevere Thunderstorm WatchSPC7 hr
May 9, 3:25 PM CDTMesoscale DiscussionSPC65 min
May 9, 4:47 PM CDTSevere Thunderstorm WarningJAN43 min
May 10, 11:17 AM CDTMesoscale DiscussionSPC118 min
May 10, 3:48 PM CDTMesoscale DiscussionSPC87 min
May 10, 4:16 PM CDTSevere Thunderstorm WarningJAN59 min
May 11, 5:25 AM CDTFlash Flood WatchJAN12 hr
May 11, 8:34 AM CDTFlash Flood WarningJAN3 hr
May 11, 11:28 AM CDTFlash Flood WarningJAN3 hr
May 11, 2:32 PM CDTAreal Flood WarningJAN6 hr
May 13, 12:25 PM CDTAreal Flood WarningJAN47 hr
May 17, 4:13 AM CDTLake Wind AdvisoryJAN11 hr
Jun 10, 11:07 PM CDTMesoscale DiscussionSPC83 min
Jun 10, 11:49 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 11, 1:05 AM CDTSevere Thunderstorm WarningJAN55 min
Jun 11, 2:38 AM CDTMesoscale DiscussionSPC67 min
Jun 12, 11:35 AM CDTSevere Thunderstorm Watch PDSSPC9 hr
Jun 12, 1:30 PM CDTMesoscale DiscussionSPC90 min
Jun 12, 3:22 PM CDTMesoscale DiscussionSPC83 min
Jun 14, 12:07 PM CDTMesoscale DiscussionSPC83 min
Jun 21, 4:04 AM CDTHeat AdvisoryJAN4 days
Jun 27, 4:48 AM CDTHeat AdvisoryJAN38 hr
Jun 28, 4:12 PM CDTSevere Thunderstorm WarningJAN18 min
Jun 30, 7:35 PM CDTSevere Thunderstorm WarningJAN40 min
Jun 30, 8:12 PM CDTMesoscale DiscussionSPC63 min
Jul 4, 3:20 AM CDTHeat AdvisoryJAN24 hr
Jul 12, 8:25 PM CDTHeat AdvisoryJAN32 hr
Jul 15, 3:35 AM CDTHeat AdvisoryJAN15 hr
Jul 16, 3:31 AM CDTHeat AdvisoryJAN12 hr
Jul 16, 2:19 PM CDTMesoscale DiscussionSPC56 min
Jul 16, 6:32 PM CDTMesoscale DiscussionSPC88 min
Jul 16, 7:53 PM CDTSevere Thunderstorm WarningJAN67 min
Jul 16, 7:53 PM CDTSevere Thunderstorm WatchSPC4 hr
Jul 27, 3:21 PM CDTFlash Flood WatchJAN24 hr
Jul 28, 11:25 AM CDTMesoscale DiscussionSPC65 min
Jul 28, 7:05 PM CDTFlash Flood WatchJAN12 hr
Jul 29, 5:59 PM CDTFlash Flood WarningJAN2 hr
Jul 29, 8:02 PM CDTFlash Flood WarningJAN3 hr
Jul 29, 8:20 PM CDTFlash Flood WatchJAN35 hr
Jul 29, 11:00 PM CDTFlash Flood WarningJAN2 hr
Aug 1, 10:01 AM CDTFlash Flood WatchJAN11 hr
Aug 6, 10:11 AM CDTMesoscale DiscussionSPC94 min
Sep 15, 3:44 AM CDTFlash Flood WatchJAN4 days
Sep 17, 8:47 PM CDTFlash Flood WarningJAN118 min
Sep 22, 3:59 AM CDTFlash Flood WatchJAN15 hr
Oct 1, 8:37 PM CDTMesoscale DiscussionSPC83 min
Oct 1, 9:28 PM CDTMesoscale DiscussionSPC92 min
Oct 1, 10:20 PM CDTSevere Thunderstorm WarningJAN70 min
Oct 1, 10:24 PM CDTSevere Thunderstorm WatchSPC5 hr
Oct 4, 3:48 AM CDTFlash Flood WatchJAN17 hr
Oct 8, 2:57 PM CDTLake Wind AdvisoryJAN25 hr
Oct 9, 6:59 AM CDTMesoscale DiscussionSPC3 hr
Oct 9, 8:24 AM CDTMesoscale DiscussionSPC66 min
Oct 9, 8:36 AM CDTTornado WatchSPC4 hr
Oct 9, 9:40 AM CDTSevere Thunderstorm WarningJAN80 min
Oct 9, 10:49 AM CDTSevere Thunderstorm WarningJAN71 min
Oct 9, 10:54 AM CDTSevere Thunderstorm WarningJAN81 min
Oct 9, 10:54 AM CDTRiver Flood WarningSHV6 days
Oct 12, 7:03 AM CDTFlash Flood WatchJAN9 hr
Oct 12, 11:03 AM CDTFlash Flood WarningJAN5 hr
Oct 13, 4:23 AM CDTFlash Flood WatchJAN22 hr
Oct 13, 9:55 AM CDTFlash Flood WarningJAN6 hr
Oct 13, 12:19 PM CDTMesoscale DiscussionSPC116 min
Oct 13, 3:43 PM CDTFlash Flood WarningJAN6 hr
Oct 15, 5:39 AM CDTMesoscale DiscussionSPC3 hr
Oct 15, 7:08 AM CDTSevere Thunderstorm WatchSPC9 hr
Oct 15, 7:44 AM CDTSevere Thunderstorm WarningJAN76 min
Oct 16, 9:50 AM CDTRiver Flood WarningLZK24 hr
Oct 21, 4:07 PM CDTFlash Flood WatchJAN30 hr
Oct 22, 11:09 AM CDTRiver Flood WarningLZK10 hr
Oct 27, 3:35 PM CDTDense Fog AdvisoryJAN18 hr
Oct 28, 4:09 AM CDTFlash Flood WatchJAN60 hr
Oct 29, 4:26 AM CDTLake Wind AdvisoryJAN24 hr
Oct 29, 9:27 AM CDTRiver Flood WarningLZK8 days
Oct 29, 10:30 PM CDTMesoscale DiscussionSPC60 min
Oct 30, 1:27 AM CDTFlash Flood WarningJAN8 hr
Oct 30, 1:58 AM CDTSevere Thunderstorm WarningJAN47 min
Oct 30, 2:44 AM CDTSevere Thunderstorm WarningJAN61 min
Oct 30, 2:54 AM CDTFlash Flood WarningJAN4 hr
Oct 30, 9:31 AM CDTAreal Flood WarningJAN12 hr
Nov 9, 3:54 PM CSTLake Wind AdvisoryJAN25 hr
Nov 26, 4:39 AM CSTFreeze WarningJAN27 hr
Nov 29, 5:30 PM CSTMesoscale DiscussionSPC90 min
Dec 7, 3:19 PM CSTLake Wind AdvisoryJAN48 hr
Dec 8, 9:43 AM CSTMesoscale DiscussionSPC2 hr
Dec 8, 1:25 PM CSTTornado WatchSPC8 hr
Dec 13, 3:37 PM CSTDense Fog AdvisoryJAN17 hr
Dec 22, 3:28 PM CSTLake Wind AdvisoryJAN43 hr
Dec 23, 4:31 AM CSTFlash Flood WatchJAN37 hr
Dec 23, 3:03 PM CSTWind AdvisoryJAN36 hr
Dec 24, 3:30 AM CSTMesoscale DiscussionSPC2 hr
Dec 24, 4:50 AM CSTTornado WatchSPC7 hr
Dec 24, 7:30 AM CSTMesoscale DiscussionSPC90 min
Dec 24, 8:02 AM CSTFlash Flood WarningJAN4 hr
Dec 24, 8:52 AM CSTSevere Thunderstorm WarningJAN53 min
Dec 24, 9:10 AM CSTTornado WarningJAN54 min
Dec 24, 9:10 AM CSTRiver Flood WarningLZK11 days
Dec 24, 9:38 AM CSTSevere Thunderstorm WarningJAN24 min
Dec 24, 9:56 AM CSTSevere Thunderstorm WarningJAN27 min
Dec 24, 10:13 AM CSTMesoscale DiscussionSPC62 min
Dec 24, 3:32 PM CSTAreal Flood WarningJAN12 hr
Dec 24, 5:00 PM CSTLake Wind AdvisoryJAN21 hr
Dec 30, 5:30 PM CSTDense Fog AdvisoryJAN15 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 archive20082010

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.