Alert archive / Virginia / Accomack County

Weather alerts in Accomack County, Virginia, 2021

108 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Accomack County and its neighbors

Each county as a circle sized by its count in 2021. Tap one for its archive.

Alerts
108
Warnings
12
Watches
11
Advisories
32
Busiest month
July20 alerts
Busiest day
July 8, 20215 alerts

Over time

By month

Warning verification

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

Accomack County, 2021

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings9278%1100%11 min
Flash flood warnings00

Each office's whole area, 2021

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Wakefield, VA: tornado warnings39879%1362%15 min
NWS Wakefield, VA: severe thunderstorm warnings23917029%32191%21 min
NWS Wakefield, VA: flash flood warnings634922%11499%66 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, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Jan 27, 9:03 AM ESTWind AdvisoryAKQ33 hr
Jan 30, 4:34 AM ESTWinter Weather AdvisoryAKQ38 hr
Jan 31, 2:05 PM ESTCoastal Flood AdvisoryAKQ16 hr
Feb 1, 4:08 AM ESTCoastal Flood AdvisoryAKQ9 hr
Feb 1, 3:23 PM ESTCoastal Flood StatementAKQ12 hr
Feb 2, 6:53 AM ESTCoastal Flood AdvisoryAKQ24 hr
Feb 11, 3:39 AM ESTWinter Weather AdvisoryAKQ3 days
Feb 22, 2:19 PM ESTSevere Thunderstorm WarningAKQ41 min
Mar 13, 7:09 PM ESTFire Weather WatchAKQ8 hr
Mar 14, 4:05 AM EDTRed Flag WarningAKQ16 hr
Mar 18, 4:11 AM EDTWind AdvisoryAKQ45 hr
Mar 18, 2:08 PM EDTHigh Surf AdvisoryAKQ60 hr
Mar 18, 6:52 PM EDTSpecial Weather StatementAKQ38 min
Mar 19, 4:32 AM EDTCoastal Flood AdvisoryAKQ29 hr
Mar 25, 3:53 AM EDTDense Fog AdvisoryAKQ6 hr
Mar 28, 1:24 PM EDTMesoscale DiscussionSPC2 hr
Apr 1, 2:53 AM EDTSpecial Weather StatementAKQ37 min
Apr 12, 2:54 PM EDTCoastal Flood AdvisoryAKQ14 hr
Apr 13, 3:44 PM EDTCoastal Flood AdvisoryAKQ14 hr
Apr 21, 12:22 PM EDTMesoscale DiscussionSPC113 min
Apr 21, 1:54 PM EDTSevere Thunderstorm WarningAKQ36 min
Apr 21, 2:19 PM EDTSevere Thunderstorm WarningAKQ41 min
Apr 29, 2:37 PM EDTWind AdvisoryAKQ34 hr
Apr 29, 3:09 PM EDTFire Weather WatchAKQ16 hr
May 4, 8:00 PM EDTSpecial Weather StatementAKQ60 min
May 5, 1:03 PM EDTMesoscale DiscussionSPC2 hr
May 5, 5:28 PM EDTSevere Thunderstorm WarningAKQ21 min
May 9, 3:48 PM EDTCoastal Flood StatementAKQ14 hr
May 21, 4:12 AM EDTBeach Hazards StatementAKQ4 days
May 26, 2:48 PM EDTSevere Thunderstorm WatchSPC7 hr
May 28, 4:17 PM EDTBeach Hazards StatementAKQ52 hr
May 28, 7:18 PM EDTMesoscale DiscussionSPC87 min
May 29, 4:00 AM EDTCoastal Flood AdvisoryAKQ30 hr
May 30, 4:17 AM EDTCoastal Flood AdvisoryAKQ11 hr
Jun 4, 12:59 PM EDTSevere Thunderstorm WatchSPC7 hr
Jun 4, 4:12 PM EDTMesoscale DiscussionSPC93 min
Jun 10, 4:39 PM EDTSpecial Weather StatementAKQ36 min
Jun 11, 3:22 PM EDTCoastal Flood StatementAKQ14 hr
Jun 15, 5:37 AM EDTSpecial Weather StatementAKQ38 min
Jun 15, 5:49 AM EDTSevere Thunderstorm WarningAKQ30 min
Jun 22, 12:13 PM EDTMesoscale DiscussionSPC2 hr
Jun 26, 12:13 PM EDTSpecial Weather StatementAKQ62 min
Jul 1, 12:46 PM EDTSevere Thunderstorm WatchSPC7 hr
Jul 1, 5:29 PM EDTSevere Thunderstorm WarningAKQ29 min
Jul 1, 6:00 PM EDTSpecial Weather StatementAKQ60 min
Jul 1, 11:26 PM EDTSpecial Weather StatementAKQ49 min
Jul 3, 9:34 PM EDTSpecial Weather StatementAKQ26 min
Jul 7, 5:32 AM EDTTropical Storm WatchAKQ18 hr
Jul 7, 3:22 PM EDTFlash Flood WatchAKQ36 hr
Jul 7, 11:21 PM EDTTropical Storm WarningAKQ27 hr
Jul 8, 6:31 AM EDTCoastal Flood AdvisoryAKQ27 hr
Jul 8, 1:50 PM EDTTornado WatchSPC11 hr
Jul 8, 5:35 PM EDTBeach Hazards StatementAKQ26 hr
Jul 8, 6:48 PM EDTMesoscale DiscussionSPC117 min
Jul 8, 10:01 PM EDTMesoscale DiscussionSPC59 min
Jul 9, 2:15 PM EDTMesoscale DiscussionSPC2 hr
Jul 17, 9:34 PM EDTSpecial Weather StatementAKQ56 min
Jul 17, 10:34 PM EDTSpecial Weather StatementAKQ26 min
Jul 17, 10:51 PM EDTAreal Flood AdvisoryAKQ114 min
Jul 21, 2:39 PM EDTMesoscale DiscussionSPC2 hr
Jul 21, 5:44 PM EDTSpecial Weather StatementAKQ46 min
Jul 28, 12:36 PM EDTMesoscale DiscussionSPC114 min
Aug 6, 3:11 PM EDTFlash Flood WatchAKQ31 hr
Aug 7, 4:05 PM EDTAreal Flood AdvisoryAKQ5 hr
Aug 11, 4:08 PM EDTHeat AdvisoryAKQ51 hr
Aug 13, 9:03 PM EDTSpecial Weather StatementAKQ42 min
Aug 19, 4:28 PM EDTBeach Hazards StatementAKQ3 days
Aug 20, 5:18 AM EDTSpecial Weather StatementAKQ57 min
Aug 22, 3:31 PM EDTSpecial Weather StatementAKQ29 min
Aug 22, 4:11 PM EDTSpecial Weather StatementAKQ34 min
Aug 22, 4:21 PM EDTAreal Flood AdvisoryAKQ2 hr
Aug 30, 8:10 PM EDTSpecial Weather StatementAKQ65 min
Aug 30, 9:18 PM EDTSevere Thunderstorm WarningAKQ42 min
Aug 30, 10:01 PM EDTSpecial Weather StatementAKQ59 min
Sep 1, 11:03 AM EDTMesoscale DiscussionSPC2 hr
Sep 1, 11:46 AM EDTTornado WatchSPC9 hr
Sep 1, 4:07 PM EDTBeach Hazards StatementAKQ28 hr
Sep 1, 4:07 PM EDTCoastal Flood AdvisoryAKQ12 hr
Sep 7, 8:07 PM EDTBeach Hazards StatementAKQ4 days
Sep 8, 3:45 PM EDTSpecial Weather StatementAKQ45 min
Sep 8, 3:52 PM EDTSevere Thunderstorm WarningAKQ30 min
Sep 16, 4:19 PM EDTBeach Hazards StatementAKQ51 hr
Sep 21, 4:53 PM EDTBeach Hazards StatementAKQ51 hr
Sep 23, 3:13 AM EDTMesoscale DiscussionSPC5 hr
Sep 23, 5:00 AM EDTCoastal Flood StatementAKQ11 hr
Sep 28, 8:21 PM EDTSpecial Weather StatementAKQ39 min
Sep 28, 11:21 PM EDTSpecial Weather StatementAKQ39 min
Oct 1, 2:50 PM EDTBeach Hazards StatementAKQ29 hr
Oct 2, 8:05 PM EDTBeach Hazards StatementAKQ19 hr
Oct 5, 4:42 PM EDTSevere Thunderstorm WarningAKQ48 min
Oct 8, 4:00 PM EDTBeach Hazards StatementAKQ4 days
Oct 8, 4:00 PM EDTCoastal Flood StatementAKQ43 hr
Oct 9, 5:00 PM EDTCoastal Flood StatementAKQ9 hr
Oct 9, 5:00 PM EDTCoastal Flood AdvisoryAKQ3 days
Oct 9, 9:50 PM EDTHigh Surf AdvisoryAKQ42 hr
Oct 11, 4:13 PM EDTHigh Surf AdvisoryAKQ10 hr
Oct 16, 7:10 PM EDTCoastal Flood StatementAKQ6 hr
Oct 27, 3:30 PM EDTCoastal Flood WatchAKQ24 hr
Oct 28, 4:02 AM EDTWind AdvisoryAKQ39 hr
Oct 28, 10:58 AM EDTCoastal Flood WarningAKQ71 hr
Oct 28, 3:59 PM EDTHigh Surf AdvisoryAKQ33 hr
Oct 29, 3:36 PM EDTMesoscale DiscussionSPC2 hr
Oct 30, 10:44 AM EDTCoastal Flood AdvisoryAKQ37 hr
Nov 5, 3:24 PM EDTCoastal Flood AdvisoryAKQ3 days
Nov 5, 3:24 PM EDTHigh Surf AdvisoryAKQ3 days
Nov 6, 1:50 PM EDTCoastal Flood AdvisoryAKQ50 hr
Nov 15, 2:25 PM ESTFrost AdvisoryAKQ16 hr
Dec 30, 11:51 PM ESTDense Fog AdvisoryAKQ12 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 archive20202022

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.