Alert archive / Arkansas / Nevada County

Weather alerts in Nevada County, Arkansas, 2023

206 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Nevada County and its neighbors

Each county as a circle sized by its count in 2023. Tap one for its archive.

Alerts
206
Warnings
56
Watches
35
Advisories
37
Busiest month
June53 alerts
Busiest day
June 14, 202311 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 3 tornado warnings covering Nevada County in 2023 had a tornado report inside them.

Nevada County, 2023

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings30100%0
Severe thunderstorm warnings291548%6100%25 min
Flash flood warnings8450%0

Each office's whole area, 2023

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Shreveport, LA: tornado warnings782074%4161%15 min
NWS Shreveport, LA: severe thunderstorm warnings49630339%75286%25 min
NWS Shreveport, LA: flash flood warnings543633%9689%72 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 1, 1:17 PM CSTFlood WatchSHV44 hr
Jan 2, 11:34 AM CSTMesoscale DiscussionSPC2 hr
Jan 2, 1:22 PM CSTTornado WatchSPC8 hr
Jan 2, 6:01 PM CSTMesoscale DiscussionSPC89 min
Jan 2, 8:59 PM CSTTornado WatchSPC6 hr
Jan 3, 1:55 AM CSTFlash Flood WarningSHV3 hr
Jan 12, 8:52 AM CSTWind AdvisorySHV9 hr
Jan 18, 7:28 AM CSTMesoscale DiscussionSPC2 hr
Jan 18, 9:02 AM CSTTornado WatchSPC9 hr
Jan 18, 10:22 AM CSTSevere Thunderstorm WarningSHV38 min
Jan 18, 11:04 AM CSTSevere Thunderstorm Warning Considerable damage threatSHV56 min
Jan 23, 2:00 PM CSTWind AdvisorySHV37 hr
Jan 30, 3:13 AM CSTWinter Storm WarningSHV71 hr
Jan 30, 3:13 AM CSTWinter Weather AdvisorySHV3 days
Jan 30, 2:34 PM CSTFlood WatchSHV3 days
Jan 31, 11:03 AM CSTMesoscale DiscussionSPC4 hr
Feb 2, 5:03 AM CSTMesoscale DiscussionSPC5 hr
Feb 8, 10:45 AM CSTRiver Flood AdvisoryLZK10 hr
Feb 8, 10:47 AM CSTAreal Flood AdvisorySHV5 hr
Feb 8, 11:48 AM CSTMesoscale DiscussionSPC2 hr
Feb 8, 8:41 PM CSTRiver Flood WarningLZK34 hr
Feb 13, 11:50 AM CSTWind AdvisorySHV30 hr
Feb 20, 1:20 AM CSTWind AdvisorySHV17 hr
Feb 21, 2:50 PM CSTWind AdvisorySHV25 hr
Feb 22, 10:48 AM CSTSevere Thunderstorm WarningSHV42 min
Feb 26, 2:18 AM CSTDense Fog AdvisorySHV7 hr
Feb 26, 2:56 PM CSTWind AdvisorySHV13 hr
Mar 1, 2:22 PM CSTMesoscale DiscussionSPC113 min
Mar 1, 2:28 PM CSTFlood WatchSHV36 hr
Mar 1, 3:31 PM CSTTornado WatchSPC8 hr
Mar 1, 6:21 PM CSTMesoscale DiscussionSPC114 min
Mar 1, 8:31 PM CSTSpecial Weather StatementSHV29 min
Mar 1, 9:00 PM CSTSpecial Weather StatementSHV30 min
Mar 2, 2:26 AM CSTWind AdvisorySHV34 hr
Mar 2, 5:10 PM CSTMesoscale DiscussionSPC2 hr
Mar 2, 5:42 PM CSTTornado WatchSPC6 hr
Mar 2, 6:54 PM CSTMesoscale DiscussionSPC96 min
Mar 2, 9:53 PM CSTMesoscale DiscussionSPC97 min
Mar 2, 10:43 PM CSTSevere Thunderstorm WarningSHV62 min
Mar 2, 11:06 PM CSTMesoscale DiscussionSPC54 min
Mar 2, 11:43 PM CSTSevere Thunderstorm WarningSHV47 min
Mar 11, 5:07 PM CSTMesoscale DiscussionSPC113 min
Mar 11, 6:40 PM CSTSevere Thunderstorm WatchSPC7 hr
Mar 11, 9:51 PM CSTMesoscale DiscussionSPC114 min
Mar 11, 10:13 PM CSTSevere Thunderstorm WarningSHV47 min
Mar 11, 10:57 PM CSTSevere Thunderstorm WarningSHV63 min
Mar 12, 12:18 AM CSTSpecial Weather StatementSHV42 min
Mar 16, 9:12 AM CDTFreeze WatchSHV29 hr
Mar 16, 4:00 PM CDTSpecial Weather StatementSHV30 min
Mar 16, 6:17 PM CDTTornado WatchSPC7 hr
Mar 17, 2:22 PM CDTFreeze WatchSHV13 hr
Mar 18, 3:15 AM CDTFreeze WarningSHV30 hr
Mar 18, 2:00 PM CDTFreeze WarningSHV43 hr
Mar 24, 12:42 PM CDTMesoscale DiscussionSPC3 hr
Mar 24, 1:33 PM CDTTornado WatchSPC5 hr
Mar 24, 3:28 PM CDTSevere Thunderstorm WarningSHV34 min
Mar 24, 3:38 PM CDTMesoscale DiscussionSPC2 hr
Mar 24, 4:19 PM CDTTornado WarningSHV26 min
Mar 30, 2:58 PM CDTWind AdvisorySHV28 hr
Mar 31, 10:44 AM CDTMesoscale DiscussionSPC2 hr
Mar 31, 12:28 PM CDTTornado Watch PDSSPC11 hr
Mar 31, 3:09 PM CDTSevere Thunderstorm WarningSHV66 min
Mar 31, 3:42 PM CDTMesoscale DiscussionSPC93 min
Mar 31, 3:53 PM CDTTornado WarningSHV26 min
Mar 31, 4:53 PM CDTMesoscale DiscussionSPC2 hr
Mar 31, 5:38 PM CDTSpecial Weather StatementSHV52 min
Apr 4, 2:42 AM CDTWind AdvisorySHV28 hr
Apr 4, 8:46 PM CDTMesoscale DiscussionSPC119 min
Apr 5, 4:25 AM CDTMesoscale DiscussionSPC95 min
Apr 5, 9:11 AM CDTSevere Thunderstorm WarningSHV64 min
Apr 15, 1:45 PM CDTMesoscale DiscussionSPC2 hr
Apr 15, 4:13 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 15, 4:34 PM CDTSpecial Weather StatementSHV41 min
Apr 15, 4:38 PM CDTSevere Thunderstorm WarningSHV67 min
Apr 15, 5:43 PM CDTSevere Thunderstorm WarningSHV41 min
Apr 15, 6:04 PM CDTMesoscale DiscussionSPC56 min
Apr 20, 1:47 PM CDTSevere Thunderstorm WatchSPC9 hr
Apr 20, 8:11 PM CDTSevere Thunderstorm WarningSHV49 min
May 7, 2:34 AM CDTSpecial Weather StatementSHV56 min
May 7, 3:30 AM CDTSpecial Weather StatementSHV60 min
May 8, 2:57 PM CDTMesoscale DiscussionSPC2 hr
May 8, 3:52 PM CDTSpecial Weather StatementSHV38 min
May 10, 3:00 AM CDTFlood WatchSHV36 hr
May 12, 8:58 AM CDTFlash Flood Warning Considerable damage threatSHV2 hr
May 12, 11:08 AM CDTAreal Flood AdvisorySHV112 min
May 13, 10:03 AM CDTRiver Flood WarningLZK5 hr
May 19, 1:09 PM CDTSevere Thunderstorm WatchSPC9 hr
May 19, 3:30 PM CDTMesoscale DiscussionSPC90 min
Jun 8, 6:58 PM CDTSpecial Weather StatementSHV32 min
Jun 10, 10:14 AM CDTMesoscale DiscussionSPC3 hr
Jun 10, 10:52 AM CDTSevere Thunderstorm WatchSPC7 hr
Jun 10, 11:42 AM CDTSpecial Weather StatementSHV33 min
Jun 10, 12:19 PM CDTSpecial Weather StatementSHV56 min
Jun 13, 3:30 AM CDTSevere Thunderstorm WatchSPC7 hr
Jun 13, 8:02 AM CDTMesoscale DiscussionSPC88 min
Jun 13, 9:30 AM CDTMesoscale DiscussionSPC60 min
Jun 13, 4:43 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 13, 7:10 PM CDTMesoscale DiscussionSPC95 min
Jun 13, 8:42 PM CDTSevere Thunderstorm Warning Considerable damage threatSHV47 min
Jun 13, 10:10 PM CDTMesoscale DiscussionSPC2 hr
Jun 13, 10:55 PM CDTSevere Thunderstorm WatchSPC9 hr
Jun 14, 1:57 AM CDTMesoscale DiscussionSPC93 min
Jun 14, 7:38 AM CDTMesoscale DiscussionSPC2 hr
Jun 14, 8:57 AM CDTSevere Thunderstorm WatchSPC7 hr
Jun 14, 4:14 PM CDTMesoscale DiscussionSPC61 min
Jun 14, 4:37 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 14, 5:12 PM CDTSevere Thunderstorm WarningSHV48 min
Jun 14, 5:57 PM CDTMesoscale DiscussionSPC93 min
Jun 14, 8:19 PM CDTMesoscale DiscussionSPC86 min
Jun 15, 10:24 PM CDTSevere Thunderstorm WatchSPC8 hr
Jun 17, 9:57 PM CDTSevere Thunderstorm WatchSPC4 hr
Jun 17, 10:12 PM CDTSevere Thunderstorm WarningSHV34 min
Jun 18, 12:37 AM CDTSevere Thunderstorm WarningSHV38 min
Jun 18, 12:57 AM CDTTornado WarningSHV14 min
Jun 18, 1:21 AM CDTSevere Thunderstorm Warning Considerable damage threatSHV54 min
Jun 18, 1:42 AM CDTSevere Thunderstorm Warning Destructive damage threatSHV48 min
Jun 18, 2:01 AM CDTMesoscale DiscussionSPC119 min
Jun 18, 5:19 AM CDTSevere Thunderstorm WarningSHV34 min
Jun 18, 7:47 AM CDTSevere Thunderstorm WarningSHV43 min
Jun 24, 2:41 AM CDTHeat AdvisorySHV4 days
Jun 25, 6:51 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 25, 8:49 PM CDTMesoscale DiscussionSPC86 min
Jun 26, 1:17 AM CDTSpecial Weather StatementSHV58 min
Jun 26, 1:26 AM CDTMesoscale DiscussionSPC94 min
Jun 26, 1:38 AM CDTSevere Thunderstorm WarningSHV67 min
Jun 26, 1:55 AM CDTSevere Thunderstorm WatchSPC8 hr
Jun 26, 3:19 AM CDTSpecial Weather StatementSHV56 min
Jun 26, 3:34 AM CDTSevere Thunderstorm WarningSHV56 min
Jun 26, 4:21 AM CDTMesoscale DiscussionSPC84 min
Jun 26, 5:29 AM CDTSevere Thunderstorm Warning Considerable damage threatSHV61 min
Jun 26, 5:39 AM CDTSevere Thunderstorm WarningSHV34 min
Jun 27, 7:29 AM CDTSevere Thunderstorm WarningSHV61 min
Jun 27, 10:27 AM CDTMesoscale DiscussionSPC93 min
Jun 27, 12:01 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 28, 3:19 AM CDTExcessive Heat WarningSHV17 hr
Jun 28, 3:19 AM CDTHeat AdvisorySHV31 hr
Jun 29, 2:38 AM CDTExcessive Heat WarningSHV17 hr
Jun 29, 2:38 AM CDTHeat AdvisorySHV31 hr
Jun 30, 3:11 AM CDTExcessive Heat WarningSHV17 hr
Jun 30, 3:11 AM CDTHeat AdvisorySHV28 hr
Jun 30, 1:33 PM CDTHeat AdvisorySHV30 hr
Jul 2, 2:08 PM CDTMesoscale DiscussionSPC97 min
Jul 2, 2:17 PM CDTSpecial Weather StatementSHV43 min
Jul 3, 12:48 PM CDTMesoscale DiscussionSPC117 min
Jul 5, 1:52 PM CDTSpecial Weather StatementSHV38 min
Jul 5, 2:34 PM CDTSpecial Weather StatementSHV26 min
Jul 6, 12:13 PM CDTMesoscale DiscussionSPC2 hr
Jul 6, 2:08 PM CDTSpecial Weather StatementSHV37 min
Jul 6, 2:39 PM CDTAreal Flood AdvisorySHV111 min
Jul 6, 4:19 PM CDTAreal Flood WarningSHV116 min
Jul 8, 10:24 AM CDTMesoscale DiscussionSPC96 min
Jul 8, 1:38 PM CDTMesoscale DiscussionSPC2 hr
Jul 11, 5:32 PM CDTFlood WatchSHV19 hr
Jul 12, 2:20 AM CDTFlash Flood WarningSHV100 min
Jul 12, 2:53 AM CDTFlash Flood WarningSHV67 min
Jul 12, 3:58 AM CDTFlash Flood WarningSHV3 hr
Jul 12, 4:37 AM CDTSpecial Weather StatementSHV53 min
Jul 12, 4:48 AM CDTFlash Flood Warning EmergencyConsiderable damage threatSHV4 hr
Jul 12, 8:49 AM CDTFlash Flood Warning EmergencyCatastrophic damage threatSHV3 hr
Jul 12, 8:20 PM CDTHeat AdvisorySHV23 hr
Jul 13, 7:03 PM CDTHeat AdvisorySHV72 hr
Jul 15, 3:14 PM CDTMesoscale DiscussionSPC2 hr
Jul 15, 4:51 PM CDTSpecial Weather StatementSHV39 min
Jul 16, 1:32 PM CDTSevere Thunderstorm WatchSPC4 hr
Jul 16, 1:49 PM CDTSevere Thunderstorm WarningSHV56 min
Jul 16, 2:44 PM CDTSevere Thunderstorm WarningSHV61 min
Jul 16, 3:41 PM CDTSpecial Weather StatementSHV49 min
Jul 17, 2:22 AM CDTHeat AdvisorySHV58 hr
Jul 19, 2:37 AM CDTExcessive Heat WarningSHV65 hr
Jul 20, 2:26 PM CDTHeat AdvisorySHV30 hr
Jul 29, 3:22 AM CDTHeat AdvisorySHV17 hr
Jul 29, 3:17 PM CDTHeat AdvisorySHV3 days
Jul 31, 2:22 PM CDTExcessive Heat WarningSHV6 days
Aug 6, 11:38 AM CDTHeat AdvisorySHV9 hr
Aug 6, 2:10 PM CDTHeat AdvisorySHV24 hr
Aug 8, 1:07 AM CDTMesoscale DiscussionSPC113 min
Aug 8, 1:27 AM CDTSevere Thunderstorm WatchSPC7 hr
Aug 8, 3:28 AM CDTMesoscale DiscussionSPC92 min
Aug 8, 2:24 PM CDTExcessive Heat WarningSHV6 days
Aug 10, 2:18 PM CDTHeat AdvisorySHV13 hr
Aug 11, 12:42 PM CDTMesoscale DiscussionSPC2 hr
Aug 13, 2:40 PM CDTHeat AdvisorySHV29 hr
Aug 17, 1:30 PM CDTHeat AdvisorySHV31 hr
Aug 18, 1:12 PM CDTExcessive Heat WarningSHV24 hr
Aug 19, 5:40 AM CDTExcessive Heat WarningSHV8 days
Aug 26, 2:44 PM CDTHeat AdvisorySHV29 hr
Aug 27, 6:26 PM CDTSpecial Weather StatementSHV49 min
Sep 4, 1:18 PM CDTMesoscale DiscussionSPC2 hr
Sep 5, 2:16 AM CDTHeat AdvisorySHV66 hr
Sep 6, 2:05 PM CDTMesoscale DiscussionSPC2 hr
Sep 8, 8:24 AM CDTSevere Thunderstorm WarningSHV51 min
Sep 8, 9:10 AM CDTMesoscale DiscussionSPC95 min
Sep 8, 9:16 AM CDTSpecial Weather StatementSHV14 min
Sep 23, 9:44 PM CDTMesoscale DiscussionSPC91 min
Sep 23, 10:14 PM CDTSevere Thunderstorm WatchSPC9 hr
Oct 4, 2:30 AM CDTFlood WatchSHV29 hr
Oct 4, 12:51 PM CDTFlash Flood WarningSHV2 hr
Oct 4, 3:15 PM CDTAreal Flood WarningSHV3 hr
Oct 6, 3:59 AM CDTDense Fog AdvisorySHV5 hr
Oct 29, 7:19 PM CDTFreeze WatchSHV12 hr
Oct 30, 6:56 AM CDTFreeze WarningSHV25 hr
Nov 20, 7:11 AM CSTMesoscale DiscussionSPC2 hr
Nov 20, 7:07 PM CSTSpecial Weather StatementSHV38 min
Nov 20, 7:37 PM CSTDense Fog AdvisorySHV4 hr
Dec 3, 7:47 AM CSTDense Fog AdvisorySHV3 hr
Dec 22, 8:55 PM CSTDense Fog AdvisorySHV13 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 archive20222024

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.