Alert archive / Arkansas / Hempstead County

Weather alerts in Hempstead County, Arkansas, 2008

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

Hempstead County and its neighbors

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

Alerts
231
Warnings
46
Watches
49
Advisories
63
Busiest month
March52 alerts
Busiest day
April 4, 200810 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 6 tornado warnings covering Hempstead County in 2008 had a tornado report inside them.

Hempstead County, 2008

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings6267%0
Severe thunderstorm warnings281064%6100%21 min
Flash flood warnings5340%1100%87 min

Each office's whole area, 2008

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Shreveport, LA: tornado warnings772864%6166%15 min
NWS Shreveport, LA: severe thunderstorm warnings46120156%48474%23 min
NWS Shreveport, LA: flash flood warnings644234%11489%69 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, 8:56 PM CSTHard Freeze WarningSHV12 hr
Jan 6, 3:30 AM CSTLake Wind AdvisorySHV15 hr
Jan 7, 3:49 AM CSTLake Wind AdvisorySHV14 hr
Jan 8, 3:00 AM CSTLake Wind AdvisorySHV15 hr
Jan 8, 7:18 AM CSTMesoscale DiscussionSPC117 min
Jan 8, 8:34 AM CSTTornado WatchSPC5 hr
Jan 8, 11:27 AM CSTMesoscale DiscussionSPC2 hr
Jan 10, 11:30 AM CSTLake Wind AdvisorySHV7 hr
Jan 25, 5:44 AM CSTWinter Weather AdvisorySHV12 hr
Jan 25, 7:56 AM CSTMesoscale DiscussionSPC4 hr
Jan 25, 12:24 PM CSTMesoscale DiscussionSPC6 hr
Jan 25, 3:48 PM CSTFreezing Rain AdvisorySHV8 hr
Jan 27, 11:47 PM CSTDense Fog AdvisorySHV10 hr
Jan 29, 4:36 AM CSTLake Wind AdvisorySHV17 hr
Jan 29, 7:57 AM CSTMesoscale DiscussionSPC93 min
Feb 5, 3:00 AM CSTLake Wind AdvisorySHV15 hr
Feb 5, 11:16 AM CSTMesoscale DiscussionSPC89 min
Feb 5, 2:08 PM CSTTornado Watch PDSSPC10 hr
Feb 5, 5:23 PM CSTSevere Thunderstorm WarningSHV67 min
Feb 7, 11:10 AM CSTLake Wind AdvisorySHV7 hr
Feb 11, 9:48 PM CSTSevere Thunderstorm WatchSPC4 hr
Feb 12, 1:17 AM CSTMesoscale DiscussionSPC88 min
Feb 14, 4:10 AM CSTLake Wind AdvisorySHV14 hr
Feb 16, 4:17 PM CSTLake Wind AdvisorySHV12 hr
Feb 22, 2:46 AM CSTDense Fog AdvisorySHV3 hr
Feb 25, 3:51 AM CSTDense Fog AdvisorySHV5 hr
Feb 25, 3:51 AM CSTLake Wind AdvisorySHV37 hr
Feb 25, 4:39 PM CSTMesoscale DiscussionSPC2 hr
Feb 25, 7:20 PM CSTSevere Thunderstorm WatchSPC7 hr
Feb 25, 9:02 PM CSTSevere Thunderstorm WarningSHV58 min
Mar 1, 5:09 AM CSTDense Fog AdvisorySHV4 hr
Mar 2, 5:52 AM CSTLake Wind AdvisorySHV15 hr
Mar 2, 9:36 PM CSTLake Wind AdvisorySHV23 hr
Mar 3, 3:01 AM CSTMesoscale DiscussionSPC89 min
Mar 3, 4:16 AM CSTFlash Flood WatchSHV12 hr
Mar 3, 4:35 AM CSTSnow AdvisorySHV23 hr
Mar 3, 6:47 AM CSTSevere Thunderstorm WatchSPC6 hr
Mar 3, 8:39 AM CSTTornado WarningSHV47 min
Mar 3, 8:44 AM CSTSevere Thunderstorm WarningSHV61 min
Mar 3, 10:18 AM CSTMesoscale DiscussionSPC87 min
Mar 4, 5:34 AM CSTWinter Weather AdvisorySHV3 hr
Mar 6, 2:04 PM CSTWinter Weather AdvisorySHV31 hr
Mar 7, 5:12 AM CSTLake Wind AdvisorySHV10 hr
Mar 11, 4:31 AM CDTDense Fog AdvisorySHV4 hr
Mar 13, 3:51 PM CDTMesoscale DiscussionSPC84 min
Mar 13, 5:12 PM CDTSevere Thunderstorm WatchSPC8 hr
Mar 13, 7:37 PM CDTSevere Thunderstorm WarningSHV38 min
Mar 13, 9:10 PM CDTMesoscale DiscussionSPC65 min
Mar 13, 9:20 PM CDTSevere Thunderstorm WarningSHV25 min
Mar 13, 9:50 PM CDTMesoscale DiscussionSPC55 min
Mar 13, 10:33 PM CDTMesoscale DiscussionSPC27 min
Mar 13, 11:22 PM CDTSevere Thunderstorm WatchSPC5 hr
Mar 13, 11:44 PM CDTSevere Thunderstorm WarningSHV29 min
Mar 14, 1:34 AM CDTMesoscale DiscussionSPC86 min
Mar 14, 6:59 PM CDTMesoscale DiscussionSPC31 min
Mar 14, 7:12 PM CDTSevere Thunderstorm WarningSHV63 min
Mar 14, 7:14 PM CDTTornado WatchSPC7 hr
Mar 14, 8:17 PM CDTSevere Thunderstorm WarningSHV43 min
Mar 14, 8:57 PM CDTSevere Thunderstorm WarningSHV33 min
Mar 14, 9:18 PM CDTTornado WarningSHV57 min
Mar 14, 9:50 PM CDTMesoscale DiscussionSPC55 min
Mar 17, 3:51 AM CDTLake Wind AdvisorySHV62 hr
Mar 17, 3:59 AM CDTFlash Flood WatchSHV48 hr
Mar 17, 5:30 PM CDTMesoscale DiscussionSPC30 min
Mar 17, 5:50 PM CDTTornado WatchSPC5 hr
Mar 18, 9:26 AM CDTMesoscale DiscussionSPC2 hr
Mar 18, 10:16 AM CDTTornado Watch PDSSPC7 hr
Mar 18, 12:10 PM CDTMesoscale DiscussionSPC2 hr
Mar 18, 3:54 PM CDTMesoscale DiscussionSPC2 hr
Mar 18, 4:46 PM CDTMesoscale DiscussionSPC59 min
Mar 18, 5:19 PM CDTTornado WatchSPC11 hr
Mar 18, 8:43 PM CDTMesoscale DiscussionSPC92 min
Mar 25, 2:36 AM CDTLake Wind AdvisorySHV16 hr
Mar 25, 10:07 PM CDTLake Wind AdvisorySHV21 hr
Mar 26, 3:52 PM CDTLake Wind AdvisorySHV29 hr
Mar 30, 12:10 AM CDTSevere Thunderstorm WarningSHV65 min
Mar 30, 12:45 AM CDTMesoscale DiscussionSPC2 hr
Mar 30, 1:03 AM CDTSevere Thunderstorm WarningSHV57 min
Mar 30, 9:08 AM CDTMesoscale DiscussionSPC2 hr
Mar 30, 11:44 AM CDTFlash Flood WatchSHV41 hr
Mar 31, 5:28 PM CDTMesoscale DiscussionSPC62 min
Mar 31, 6:12 PM CDTTornado WatchSPC7 hr
Apr 1, 1:06 AM CDTSevere Thunderstorm WatchSPC4 hr
Apr 3, 5:30 AM CDTLake Wind AdvisorySHV14 hr
Apr 3, 9:39 AM CDTDense Fog AdvisorySHV3 hr
Apr 3, 3:43 PM CDTFlash Flood WatchSHV12 hr
Apr 3, 5:32 PM CDTMesoscale DiscussionSPC58 min
Apr 3, 7:59 PM CDTMesoscale DiscussionSPC91 min
Apr 3, 8:21 PM CDTSevere Thunderstorm WatchSPC8 hr
Apr 3, 9:49 PM CDTMesoscale DiscussionSPC86 min
Apr 3, 11:19 PM CDTMesoscale DiscussionSPC86 min
Apr 4, 12:48 AM CDTMesoscale DiscussionSPC117 min
Apr 4, 3:34 AM CDTMesoscale DiscussionSPC56 min
Apr 4, 3:55 AM CDTSevere Thunderstorm WatchSPC7 hr
Apr 4, 4:16 AM CDTSevere Thunderstorm WarningSHV44 min
Apr 4, 4:44 AM CDTFlash Flood WatchSHV16 hr
Apr 4, 5:00 AM CDTSevere Thunderstorm WarningSHV60 min
Apr 8, 2:30 PM CDTMesoscale DiscussionSPC60 min
Apr 8, 2:52 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 8, 4:27 PM CDTSevere Thunderstorm WarningSHV63 min
Apr 8, 4:35 PM CDTSevere Thunderstorm WarningSHV40 min
Apr 8, 5:27 PM CDTSevere Thunderstorm WarningSHV63 min
Apr 8, 5:30 PM CDTMesoscale DiscussionSPC90 min
Apr 8, 5:55 PM CDTSevere Thunderstorm WarningSHV35 min
Apr 8, 6:27 PM CDTSevere Thunderstorm WarningSHV63 min
Apr 8, 7:33 PM CDTMesoscale DiscussionSPC117 min
Apr 8, 8:57 PM CDTSevere Thunderstorm WarningSHV48 min
Apr 8, 9:02 PM CDTFlash Flood WatchSHV13 hr
Apr 8, 10:36 PM CDTMesoscale DiscussionSPC84 min
Apr 8, 11:51 PM CDTSevere Thunderstorm WatchSPC5 hr
Apr 9, 2:19 AM CDTFlash Flood WarningSHV6 hr
Apr 9, 3:29 AM CDTMesoscale DiscussionSPC61 min
Apr 9, 5:33 AM CDTFlash Flood WarningSHV4 hr
Apr 9, 4:36 PM CDTFlash Flood WatchSHV23 hr
Apr 9, 7:28 PM CDTMesoscale DiscussionSPC62 min
Apr 9, 8:10 PM CDTTornado WatchSPC6 hr
Apr 10, 3:42 AM CDTLake Wind AdvisorySHV14 hr
Apr 10, 3:54 AM CDTTornado WatchSPC8 hr
Apr 10, 8:32 AM CDTMesoscale DiscussionSPC58 min
Apr 10, 9:09 AM CDTTornado WarningSHV36 min
Apr 12, 3:40 PM CDTLake Wind AdvisorySHV27 hr
Apr 13, 4:05 AM CDTFreeze WarningSHV29 hr
Apr 14, 4:10 PM CDTFreeze WarningSHV17 hr
Apr 16, 4:56 AM CDTLake Wind AdvisorySHV14 hr
Apr 17, 5:03 AM CDTLake Wind AdvisorySHV16 hr
Apr 17, 8:13 PM CDTMesoscale DiscussionSPC32 min
Apr 22, 10:47 AM CDTSevere Thunderstorm WatchSPC5 hr
Apr 22, 2:33 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 25, 3:26 PM CDTSevere Thunderstorm WatchSPC7 hr
Apr 25, 5:05 PM CDTMesoscale DiscussionSPC55 min
Apr 25, 7:52 PM CDTSevere Thunderstorm WarningSHV38 min
Apr 30, 3:09 AM CDTLake Wind AdvisorySHV49 hr
Apr 30, 2:55 PM CDTLake Wind AdvisorySHV37 hr
May 2, 4:49 AM CDTLake Wind AdvisorySHV8 hr
May 2, 8:49 AM CDTTornado WatchSPC6 hr
May 6, 3:15 PM CDTLake Wind AdvisorySHV30 hr
May 7, 4:47 PM CDTMesoscale DiscussionSPC88 min
May 7, 5:28 PM CDTTornado WatchSPC8 hr
May 8, 12:05 AM CDTSevere Thunderstorm WarningSHV55 min
May 10, 7:36 AM CDTMesoscale DiscussionSPC2 hr
May 10, 9:40 AM CDTMesoscale DiscussionSPC65 min
May 10, 10:11 AM CDTTornado WatchSPC5 hr
May 10, 2:23 PM CDTMesoscale DiscussionSPC97 min
May 10, 3:36 PM CDTTornado Watch PDSSPC4 hr
May 10, 6:22 PM CDTMesoscale DiscussionSPC83 min
May 10, 6:51 PM CDTTornado Watch PDSSPC7 hr
May 10, 8:37 PM CDTSevere Thunderstorm WarningSHV53 min
May 10, 8:46 PM CDTTornado WarningSHV44 min
May 10, 8:56 PM CDTTornado WarningSHV49 min
May 10, 9:25 PM CDTSevere Thunderstorm WarningSHV46 min
May 10, 9:30 PM CDTSevere Thunderstorm WarningSHV60 min
May 10, 9:55 PM CDTTornado WarningSHV35 min
May 13, 9:37 AM CDTMesoscale DiscussionSPC53 min
May 13, 7:11 PM CDTMesoscale DiscussionSPC2 hr
May 14, 3:15 AM CDTFlash Flood WatchSHV31 hr
May 15, 1:16 AM CDTTornado WatchSPC6 hr
May 22, 5:18 PM CDTMesoscale DiscussionSPC57 min
May 22, 5:42 PM CDTSevere Thunderstorm WarningSHV48 min
May 27, 12:51 PM CDTSevere Thunderstorm WatchSPC6 hr
May 28, 4:25 AM CDTDense Fog AdvisorySHV5 hr
Jun 3, 9:47 PM CDTLake Wind AdvisorySHV22 hr
Jun 4, 4:21 PM CDTLake Wind AdvisorySHV36 hr
Jun 9, 1:31 PM CDTFlash Flood WatchSHV10 hr
Jun 9, 1:37 PM CDTMesoscale DiscussionSPC113 min
Jun 9, 2:53 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 9, 5:26 PM CDTMesoscale DiscussionSPC2 hr
Jun 14, 3:53 AM CDTFlash Flood WatchSHV6 hr
Jun 14, 4:38 AM CDTMesoscale DiscussionSPC67 min
Jun 14, 4:58 AM CDTFlash Flood WarningSHV4 hr
Jun 14, 6:05 AM CDTSevere Thunderstorm WarningSHV25 min
Jun 14, 6:26 AM CDTSevere Thunderstorm WarningSHV51 min
Jun 15, 9:44 AM CDTMesoscale DiscussionSPC2 hr
Jun 15, 11:46 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 25, 7:59 PM CDTSevere Thunderstorm WarningSHV31 min
Jun 28, 5:32 PM CDTMesoscale DiscussionSPC88 min
Jun 28, 6:09 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 28, 6:40 PM CDTSpecial Weather StatementSHV65 min
Jun 28, 7:29 PM CDTSpecial Weather StatementSHV61 min
Jun 28, 8:57 PM CDTMesoscale DiscussionSPC63 min
Jul 4, 12:08 PM CDTSpecial Weather StatementSHV52 min
Jul 4, 2:21 PM CDTMesoscale DiscussionSPC114 min
Jul 22, 8:26 PM CDTSpecial Weather StatementSHV34 min
Jul 26, 3:44 PM CDTHeat AdvisorySHV3 days
Jul 30, 3:23 PM CDTHeat AdvisorySHV14 hr
Aug 1, 3:29 PM CDTHeat AdvisorySHV3 days
Aug 5, 4:27 AM CDTHeat AdvisorySHV16 hr
Aug 7, 3:02 PM CDTSpecial Weather StatementSHV43 min
Aug 11, 10:00 AM CDTFlash Flood WatchSHV29 hr
Aug 19, 3:44 PM CDTFlood WatchSHV23 hr
Aug 31, 4:02 PM CDTHurricane Local StatementSHV51 hr
Aug 31, 4:03 PM CDTFlash Flood WatchSHV3 days
Aug 31, 4:03 PM CDTLake Wind AdvisorySHV51 hr
Aug 31, 4:03 PM CDTWind AdvisorySHV43 hr
Sep 3, 7:21 AM CDTLake Wind AdvisorySHV9 hr
Sep 3, 10:39 AM CDTAreal Flood AdvisorySHV111 min
Sep 3, 12:33 PM CDTFlash Flood WarningSHV3 hr
Sep 12, 5:04 AM CDTInland Tropical Storm WarningSHV43 hr
Sep 12, 5:15 AM CDTFlash Flood WatchSHV42 hr
Sep 12, 5:33 AM CDTWind AdvisorySHV42 hr
Sep 13, 1:34 PM CDTMesoscale DiscussionSPC116 min
Sep 13, 2:09 PM CDTTornado WatchSPC10 hr
Sep 13, 7:37 PM CDTMesoscale DiscussionSPC53 min
Sep 13, 11:33 PM CDTLake Wind AdvisorySHV7 hr
Oct 6, 6:06 PM CDTMesoscale DiscussionSPC54 min
Oct 6, 11:32 PM CDTFlash Flood WarningSHV4 hr
Oct 27, 5:00 AM CDTFreeze WarningSHV27 hr
Oct 27, 5:00 AM CDTLake Wind AdvisorySHV11 hr
Oct 28, 4:30 AM CDTFreeze WarningSHV28 hr
Nov 4, 3:00 PM CSTLake Wind AdvisorySHV24 hr
Nov 14, 3:44 PM CSTLake Wind AdvisorySHV24 hr
Nov 30, 4:32 AM CSTLake Wind AdvisorySHV13 hr
Dec 2, 3:02 PM CSTLake Wind AdvisorySHV31 hr
Dec 3, 5:07 PM CSTMesoscale DiscussionSPC83 min
Dec 8, 4:46 AM CSTLake Wind AdvisorySHV47 hr
Dec 9, 3:41 AM CSTMesoscale DiscussionSPC64 min
Dec 9, 4:11 AM CSTTornado WatchSPC7 hr
Dec 9, 7:41 AM CSTMesoscale DiscussionSPC64 min
Dec 12, 3:08 PM CSTLake Wind AdvisorySHV33 hr
Dec 13, 4:20 PM CSTLake Wind AdvisorySHV26 hr
Dec 15, 5:30 AM CSTWinter Weather AdvisorySHV31 hr
Dec 15, 3:45 PM CSTWinter Storm WarningSHV20 hr
Dec 15, 6:13 PM CSTMesoscale DiscussionSPC4 hr
Dec 15, 11:43 PM CSTMesoscale DiscussionSPC4 hr
Dec 17, 9:44 PM CSTDense Fog AdvisorySHV11 hr
Dec 18, 8:55 AM CSTDense Fog AdvisorySHV3 hr
Dec 23, 3:14 AM CSTFreezing Rain AdvisorySHV9 hr
Dec 26, 3:45 PM CSTLake Wind AdvisorySHV26 hr
Dec 27, 3:32 AM CSTMesoscale DiscussionSPC88 min
Dec 27, 6:35 AM CSTTornado WatchSPC7 hr
Dec 27, 8:03 AM CSTMesoscale DiscussionSPC117 min
Dec 27, 1:20 PM CSTMesoscale DiscussionSPC25 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 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.