Alert archive / Arkansas / Howard County

Weather alerts in Howard County, Arkansas, 2015

178 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Howard County and its neighbors

Each county as a circle sized by its count in 2015. Tap one for its archive.

Alerts
178
Warnings
55
Watches
37
Advisories
37
Busiest month
May52 alerts
Busiest day
May 11, 201513 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 6 tornado warnings covering Howard County in 2015 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 5 minutes after it went out.

Howard County, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings6183%1100%5 min
Severe thunderstorm warnings221055%475%34 min
Flash flood warnings131023%0

Each office's whole area, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Shreveport, LA: tornado warnings1032081%4255%11 min
NWS Shreveport, LA: severe thunderstorm warnings27016439%43872%24 min
NWS Shreveport, LA: flash flood warnings1158030%27489%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 3, 3:02 AM CSTAreal Flood AdvisorySHV118 min
Jan 3, 3:39 PM CSTLake Wind AdvisorySHV20 hr
Jan 6, 8:35 PM CSTLake Wind AdvisorySHV21 hr
Jan 7, 5:16 AM CSTHard Freeze WarningSHV28 hr
Jan 10, 2:32 PM CSTWinter Weather AdvisorySHV18 hr
Jan 24, 4:24 PM CSTLake Wind AdvisorySHV26 hr
Feb 1, 11:16 AM CSTLake Wind AdvisorySHV17 hr
Feb 14, 6:30 AM CSTWinter Storm WatchSHV24 hr
Feb 15, 6:12 AM CSTWinter Storm WarningSHV10 hr
Feb 15, 3:51 PM CSTWinter Weather AdvisorySHV20 hr
Feb 19, 3:49 PM CSTFreezing Rain AdvisorySHV8 hr
Feb 20, 12:05 AM CSTFreezing Rain AdvisorySHV3 hr
Feb 21, 4:02 PM CSTWinter Storm WatchSHV13 hr
Feb 22, 4:42 AM CSTWinter Weather AdvisorySHV23 hr
Feb 23, 3:55 AM CSTWinter Weather AdvisorySHV20 hr
Feb 24, 4:36 AM CSTWinter Storm WatchSHV5 hr
Feb 24, 10:00 AM CSTWinter Storm WarningSHV30 hr
Feb 25, 4:12 PM CSTWinter Weather AdvisorySHV108 min
Feb 27, 2:59 AM CSTWinter Weather AdvisorySHV33 hr
Mar 2, 9:48 PM CSTDense Fog AdvisorySHV12 hr
Mar 3, 3:05 AM CSTWinter Storm WatchSHV24 hr
Mar 4, 3:28 AM CSTWinter Storm WarningSHV31 hr
Mar 4, 3:35 AM CSTLake Wind AdvisorySHV36 hr
Mar 4, 7:53 PM CSTMesoscale DiscussionSPC6 hr
Mar 12, 9:58 AM CDTFlash Flood WatchSHV31 hr
Mar 19, 3:45 PM CDTFlash Flood WatchSHV56 hr
Mar 25, 10:18 AM CDTSpecial Weather StatementSHV42 min
Mar 25, 11:03 AM CDTSpecial Weather StatementSHV42 min
Mar 25, 9:21 PM CDTSevere Thunderstorm WatchSPC8 hr
Mar 26, 1:47 AM CDTSevere Thunderstorm WarningSHV58 min
Mar 26, 2:17 AM CDTMesoscale DiscussionSPC58 min
Mar 26, 2:45 AM CDTSevere Thunderstorm WarningSHV30 min
Apr 1, 5:03 PM CDTSpecial Weather StatementSHV27 min
Apr 1, 5:14 PM CDTMesoscale DiscussionSPC91 min
Apr 1, 5:23 PM CDTSevere Thunderstorm WarningSHV25 min
Apr 1, 6:46 PM CDTSpecial Weather StatementSHV44 min
Apr 2, 3:50 AM CDTLake Wind AdvisorySHV15 hr
Apr 3, 5:29 AM CDTLake Wind AdvisorySHV9 hr
Apr 9, 2:15 PM CDTMesoscale DiscussionSPC2 hr
Apr 9, 3:17 PM CDTSevere Thunderstorm WatchSPC7 hr
Apr 9, 4:32 PM CDTSevere Thunderstorm WarningSHV28 min
Apr 9, 4:57 PM CDTSevere Thunderstorm WarningSHV18 min
Apr 9, 6:11 PM CDTMesoscale DiscussionSPC64 min
Apr 19, 12:43 PM CDTMesoscale DiscussionSPC2 hr
Apr 19, 2:31 PM CDTSevere Thunderstorm WatchSPC7 hr
Apr 19, 3:46 PM CDTSpecial Weather StatementSHV29 min
Apr 24, 6:52 PM CDTSpecial Weather StatementSHV38 min
Apr 25, 4:31 AM CDTLake Wind AdvisorySHV11 hr
Apr 26, 6:09 PM CDTMesoscale DiscussionSPC66 min
May 8, 10:43 PM CDTMesoscale DiscussionSPC92 min
May 9, 1:25 AM CDTAreal Flood AdvisorySHV3 hr
May 9, 4:26 AM CDTFlash Flood WatchSHV51 hr
May 9, 9:41 AM CDTMesoscale DiscussionSPC2 hr
May 9, 1:58 PM CDTMesoscale DiscussionSPC92 min
May 9, 2:40 PM CDTTornado WatchSPC7 hr
May 9, 3:03 PM CDTFlash Flood WarningSHV117 min
May 9, 3:15 PM CDTFlash Flood WarningSHV3 hr
May 9, 3:29 PM CDTSevere Thunderstorm WarningSHV46 min
May 9, 7:47 PM CDTSevere Thunderstorm WarningSHV43 min
May 10, 6:44 AM CDTMesoscale DiscussionSPC2 hr
May 10, 8:52 AM CDTRiver Flood WarningSHV4 days
May 10, 9:28 AM CDTTornado WatchSPC6 hr
May 10, 10:19 AM CDTTornado WatchSPC13 hr
May 10, 11:25 AM CDTMesoscale DiscussionSPC2 hr
May 10, 6:15 PM CDTMesoscale DiscussionSPC90 min
May 10, 7:08 PM CDTMesoscale DiscussionSPC97 min
May 10, 7:34 PM CDTTornado WatchSPC4 hr
May 10, 8:33 PM CDTTornado WarningSHV38 min
May 10, 9:57 PM CDTMesoscale DiscussionSPC93 min
May 10, 10:06 PM CDTSevere Thunderstorm WarningSHV39 min
May 10, 10:43 PM CDTTornado WarningSHV32 min
May 10, 11:13 PM CDTTornado WarningSHV32 min
May 10, 11:31 PM CDTTornado WatchSPC5 hr
May 10, 11:46 PM CDTSevere Thunderstorm WarningSHV44 min
May 11, 12:36 AM CDTFlash Flood WarningSHV4 hr
May 11, 1:19 AM CDTTornado WarningSHV26 min
May 11, 1:42 AM CDTSevere Thunderstorm WarningSHV48 min
May 11, 4:31 AM CDTAreal Flood WarningSHV3 hr
May 16, 4:22 AM CDTFlash Flood WatchSHV33 hr
May 17, 5:32 AM CDTFlash Flood WarningSHV3 hr
May 17, 8:29 AM CDTAreal Flood AdvisorySHV3 hr
May 17, 4:22 PM CDTFlash Flood WatchSHV24 hr
May 23, 4:49 AM CDTFlash Flood WatchSHV71 hr
May 24, 12:05 PM CDTMesoscale DiscussionSPC115 min
May 24, 12:34 PM CDTTornado WatchSPC6 hr
May 24, 2:59 PM CDTRiver Flood WarningSHV7 days
May 25, 2:52 PM CDTTornado WatchSPC8 hr
May 25, 5:11 PM CDTTornado WarningSHV23 min
May 25, 5:15 PM CDTMesoscale DiscussionSPC90 min
May 25, 5:42 PM CDTSevere Thunderstorm WarningSHV63 min
May 25, 5:53 PM CDTFlash Flood WarningSHV4 hr
May 25, 6:20 PM CDTSevere Thunderstorm WarningSHV55 min
May 28, 10:37 AM CDTMesoscale DiscussionSPC53 min
May 28, 11:08 AM CDTSpecial Weather StatementSHV67 min
May 28, 11:41 AM CDTSpecial Weather StatementSHV49 min
May 28, 11:52 AM CDTSevere Thunderstorm WarningSHV53 min
May 29, 4:24 AM CDTFlash Flood WatchSHV39 hr
May 29, 12:33 PM CDTMesoscale DiscussionSPC87 min
May 29, 2:09 PM CDTTornado WatchSPC5 hr
May 29, 4:48 PM CDTMesoscale DiscussionSPC87 min
May 30, 6:07 PM CDTFlash Flood WarningSHV3 hr
Jun 16, 4:01 PM CDTSpecial Weather StatementSHV59 min
Jun 17, 12:08 PM CDTMesoscale DiscussionSPC2 hr
Jun 17, 7:38 PM CDTLake Wind AdvisorySHV23 hr
Jun 17, 9:34 PM CDTFlash Flood WatchSHV21 hr
Jun 18, 1:36 PM CDTSpecial Weather StatementSHV39 min
Jun 18, 5:35 PM CDTSevere Thunderstorm WarningSHV40 min
Jun 21, 6:06 PM CDTSevere Thunderstorm WarningSHV54 min
Jun 21, 6:56 PM CDTSevere Thunderstorm WarningSHV43 min
Jun 26, 3:16 PM CDTMesoscale DiscussionSPC89 min
Jun 26, 3:31 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 26, 4:59 PM CDTSpecial Weather StatementSHV46 min
Jun 26, 6:28 PM CDTMesoscale DiscussionSPC92 min
Jul 4, 1:03 AM CDTSpecial Weather StatementSHV57 min
Jul 4, 2:53 AM CDTSevere Thunderstorm WarningSHV52 min
Jul 4, 3:09 AM CDTFlash Flood WarningSHV4 hr
Jul 4, 4:20 AM CDTSevere Thunderstorm WarningSHV55 min
Jul 4, 6:54 AM CDTFlash Flood WarningSHV6 hr
Jul 13, 3:06 AM CDTHeat AdvisorySHV40 hr
Jul 15, 2:57 AM CDTHeat AdvisorySHV7 days
Jul 23, 2:23 AM CDTHeat AdvisorySHV17 hr
Jul 24, 4:01 PM CDTHeat AdvisorySHV6 days
Jul 30, 4:15 AM CDTHeat AdvisorySHV15 hr
Jul 30, 2:51 PM CDTSpecial Weather StatementSHV54 min
Aug 5, 4:28 AM CDTHeat AdvisorySHV15 hr
Aug 5, 3:50 PM CDTHeat AdvisorySHV6 days
Aug 8, 5:19 AM CDTExcessive Heat WarningSHV13 hr
Aug 9, 5:19 AM CDTExcessive Heat WarningSHV14 hr
Aug 22, 12:53 PM CDTMesoscale DiscussionSPC2 hr
Aug 22, 2:00 PM CDTAreal Flood AdvisorySHV3 hr
Aug 22, 2:57 PM CDTSpecial Weather StatementSHV48 min
Aug 23, 9:14 AM CDTSpecial Weather StatementSHV61 min
Oct 15, 3:28 PM CDTFire Weather WatchSHV3 days
Nov 4, 3:31 PM CSTFlash Flood WatchSHV32 hr
Nov 5, 3:32 PM CSTMesoscale DiscussionSPC88 min
Nov 5, 4:00 PM CSTTornado WatchSPC5 hr
Nov 5, 8:14 PM CSTMesoscale DiscussionSPC61 min
Nov 5, 9:07 PM CSTSpecial Weather StatementSHV53 min
Nov 5, 9:35 PM CSTSevere Thunderstorm WarningSHV40 min
Nov 16, 3:35 AM CSTFlash Flood WatchSHV42 hr
Nov 16, 3:25 PM CSTLake Wind AdvisorySHV27 hr
Nov 17, 4:35 AM CSTMesoscale DiscussionSPC115 min
Nov 17, 4:48 AM CSTTornado WatchSPC4 hr
Nov 17, 8:55 AM CSTTornado WatchSPC7 hr
Nov 17, 9:59 AM CSTMesoscale DiscussionSPC2 hr
Nov 20, 2:55 PM CSTLake Wind AdvisorySHV25 hr
Nov 21, 5:59 AM CSTFreeze WarningSHV27 hr
Nov 25, 3:34 PM CSTFlash Flood WatchSHV4 days
Nov 27, 10:36 AM CSTRiver Flood WarningSHV6 days
Nov 27, 8:58 PM CSTFlash Flood WarningSHV5 hr
Nov 28, 1:42 AM CSTFlash Flood WarningSHV9 hr
Nov 28, 10:47 AM CSTAreal Flood AdvisorySHV3 hr
Nov 29, 1:07 PM CSTAreal Flood AdvisorySHV3 hr
Nov 29, 3:43 PM CSTAreal Flood AdvisorySHV2 hr
Dec 11, 3:49 PM CSTFlash Flood WatchSHV44 hr
Dec 12, 4:27 AM CSTLake Wind AdvisorySHV36 hr
Dec 12, 9:18 AM CSTRiver Flood WarningSHV5 days
Dec 12, 7:51 PM CSTSevere Thunderstorm WarningSHV54 min
Dec 12, 10:10 PM CSTSevere Thunderstorm WarningSHV20 min
Dec 13, 1:09 AM CSTFlash Flood WarningSHV5 hr
Dec 13, 2:49 PM CSTAreal Flood WarningSHV3 hr
Dec 22, 10:17 PM CSTMesoscale DiscussionSPC2 hr
Dec 23, 12:06 AM CSTTornado WatchSPC7 hr
Dec 23, 4:39 AM CSTMesoscale DiscussionSPC2 hr
Dec 23, 6:20 AM CSTTornado WatchSPC7 hr
Dec 23, 8:17 AM CSTSpecial Weather StatementSHV58 min
Dec 24, 2:45 PM CSTFlash Flood WatchSHV4 days
Dec 25, 9:42 PM CSTRiver Flood WarningSHV8 days
Dec 26, 10:43 AM CSTLake Wind AdvisorySHV7 hr
Dec 26, 12:02 PM CSTMesoscale DiscussionSPC58 min
Dec 27, 8:56 AM CSTTornado WatchSPC10 hr
Dec 27, 12:45 PM CSTMesoscale DiscussionSPC2 hr
Dec 27, 12:46 PM CSTFlash Flood WarningSHV12 hr
Dec 27, 2:47 PM CSTTornado WatchSPC7 hr
Dec 27, 4:35 PM CSTTornado WarningSHV40 min
Dec 27, 5:29 PM CSTSevere Thunderstorm WarningSHV46 min
Dec 27, 11:52 PM CSTFlash Flood WarningSHV113 min
Dec 28, 12:19 AM CSTLake Wind AdvisorySHV15 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 archive20142016

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.