Alert archive / Virginia / Richmond County

Weather alerts in Richmond County, Virginia, 2020

126 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Richmond County and its neighbors

Each county as a circle sized by its count in 2020. Tap one for its archive.

Alerts
126
Warnings
23
Watches
17
Advisories
28
Busiest month
August36 alerts
Busiest day
September 10, 20206 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 2 tornado warnings covering Richmond County in 2020 had a tornado report inside them.

Richmond County, 2020

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings2150%0
Severe thunderstorm warnings151220%4100%35 min
Flash flood warnings110%0

Each office's whole area, 2020

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Wakefield, VA: tornado warnings601968%3972%17 min
NWS Wakefield, VA: severe thunderstorm warnings17012029%23791%19 min
NWS Wakefield, VA: flash flood warnings875734%11892%79 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 4, 5:58 PM ESTSpecial Weather StatementAKQ47 min
Jan 12, 1:19 AM ESTSpecial Weather StatementAKQ41 min
Jan 14, 6:17 AM ESTSpecial Weather StatementAKQ43 min
Feb 5, 3:45 PM ESTFlood WatchAKQ37 hr
Feb 6, 2:42 PM ESTWind AdvisoryAKQ27 hr
Feb 7, 8:36 AM ESTSpecial Weather StatementAKQ39 min
Feb 26, 1:08 AM ESTDense Fog AdvisoryAKQ12 hr
Feb 26, 8:44 PM ESTMesoscale DiscussionSPC2 hr
Apr 7, 2:57 PM EDTMesoscale DiscussionSPC93 min
Apr 7, 3:57 PM EDTSevere Thunderstorm WarningAKQ48 min
Apr 7, 4:30 PM EDTSevere Thunderstorm WarningAKQ45 min
Apr 12, 2:25 PM EDTWind AdvisoryAKQ26 hr
Apr 13, 4:40 AM EDTMesoscale DiscussionSPC95 min
Apr 13, 6:46 AM EDTMesoscale DiscussionSPC89 min
Apr 13, 9:05 AM EDTSevere Thunderstorm WarningAKQ40 min
Apr 13, 9:34 AM EDTSevere Thunderstorm WarningAKQ56 min
Apr 16, 3:12 PM EDTFreeze WarningAKQ18 hr
Apr 18, 9:31 PM EDTFrost AdvisoryAKQ10 hr
Apr 26, 8:24 PM EDTSpecial Weather StatementAKQ51 min
Apr 29, 3:23 AM EDTFlood WatchAKQ39 hr
May 8, 10:00 PM EDTSpecial Weather StatementAKQ45 min
May 8, 10:22 PM EDTSpecial Weather StatementAKQ38 min
May 9, 3:26 AM EDTFrost AdvisoryAKQ29 hr
May 28, 1:29 PM EDTSpecial Weather StatementAKQ46 min
Jun 6, 8:06 PM EDTSevere Thunderstorm WarningAKQ39 min
Jun 6, 8:42 PM EDTSevere Thunderstorm WarningAKQ48 min
Jun 19, 4:15 PM EDTSevere Thunderstorm WarningAKQ60 min
Jun 22, 1:58 PM EDTMesoscale DiscussionSPC3 hr
Jun 22, 3:41 PM EDTSevere Thunderstorm WarningAKQ49 min
Jun 25, 4:58 PM EDTSpecial Weather StatementAKQ47 min
Jun 25, 5:15 PM EDTSevere Thunderstorm WarningAKQ45 min
Jun 25, 6:08 PM EDTAreal Flood AdvisoryAKQ3 hr
Jun 25, 6:09 PM EDTMesoscale DiscussionSPC96 min
Jun 25, 6:20 PM EDTSevere Thunderstorm WarningAKQ40 min
Jul 1, 1:46 PM EDTMesoscale DiscussionSPC119 min
Jul 5, 1:50 PM EDTMesoscale DiscussionSPC115 min
Jul 6, 12:33 PM EDTMesoscale DiscussionSPC3 hr
Jul 6, 1:38 PM EDTSevere Thunderstorm WatchSPC9 hr
Jul 6, 4:33 PM EDTMesoscale DiscussionSPC117 min
Jul 6, 6:25 PM EDTMesoscale DiscussionSPC2 hr
Jul 6, 8:39 PM EDTMesoscale DiscussionSPC2 hr
Jul 7, 12:28 AM EDTSpecial Weather StatementAKQ47 min
Jul 17, 1:47 PM EDTMesoscale DiscussionSPC118 min
Jul 17, 4:21 PM EDTSpecial Weather StatementAKQ39 min
Jul 18, 3:09 PM EDTHeat AdvisoryAKQ30 hr
Jul 19, 2:40 PM EDTExcessive Heat WarningAKQ30 hr
Jul 19, 2:40 PM EDTHeat AdvisoryAKQ30 hr
Jul 20, 8:46 PM EDTHeat AdvisoryAKQ70 hr
Jul 21, 6:19 PM EDTSpecial Weather StatementAKQ26 min
Jul 21, 8:16 PM EDTSevere Thunderstorm WarningAKQ27 min
Jul 22, 10:48 AM EDTMesoscale DiscussionSPC117 min
Jul 23, 6:59 PM EDTAreal Flood AdvisoryAKQ3 hr
Jul 24, 4:22 PM EDTMesoscale DiscussionSPC83 min
Jul 24, 9:34 PM EDTSpecial Weather StatementAKQ71 min
Jul 26, 3:32 PM EDTHeat AdvisoryAKQ52 hr
Jul 28, 3:19 PM EDTMesoscale DiscussionSPC116 min
Jul 28, 6:20 PM EDTSpecial Weather StatementAKQ40 min
Jul 28, 7:26 PM EDTSevere Thunderstorm WarningAKQ49 min
Jul 28, 8:01 PM EDTSevere Thunderstorm WarningAKQ44 min
Jul 31, 1:04 PM EDTMesoscale DiscussionSPC116 min
Aug 1, 7:05 PM EDTMesoscale DiscussionSPC115 min
Aug 2, 3:26 PM EDTFlash Flood WatchAKQ43 hr
Aug 2, 5:44 PM EDTTropical Storm WatchAKQ5 hr
Aug 2, 10:51 PM EDTTropical Storm WarningAKQ43 hr
Aug 3, 2:15 PM EDTSpecial Weather StatementAKQ60 min
Aug 4, 1:41 AM EDTMesoscale DiscussionSPC3 hr
Aug 4, 2:26 AM EDTTornado WatchSPC9 hr
Aug 4, 5:15 AM EDTMesoscale DiscussionSPC3 hr
Aug 4, 5:42 AM EDTTornado WarningAKQ33 min
Aug 4, 5:54 AM EDTTornado WarningAKQ36 min
Aug 6, 10:43 AM EDTFlash Flood WatchAKQ15 hr
Aug 6, 2:08 PM EDTMesoscale DiscussionSPC3 hr
Aug 6, 6:01 PM EDTMesoscale DiscussionSPC119 min
Aug 7, 2:43 AM EDTFlash Flood WatchAKQ19 hr
Aug 8, 2:31 AM EDTAreal Flood AdvisoryAKQ3 hr
Aug 12, 3:13 AM EDTFlash Flood WatchAKQ19 hr
Aug 12, 3:21 PM EDTAreal Flood AdvisoryAKQ114 min
Aug 12, 5:48 PM EDTAreal Flood AdvisoryAKQ117 min
Aug 12, 5:56 PM EDTSpecial Weather StatementAKQ49 min
Aug 13, 2:25 AM EDTFlash Flood WatchAKQ17 hr
Aug 14, 4:33 AM EDTAreal Flood AdvisoryAKQ117 min
Aug 15, 3:21 AM EDTFlash Flood WatchAKQ33 hr
Aug 16, 3:49 AM EDTAreal Flood AdvisoryAKQ3 hr
Aug 16, 4:13 AM EDTAreal Flood AdvisoryAKQ3 hr
Aug 17, 6:40 PM EDTSpecial Weather StatementAKQ65 min
Aug 17, 7:45 PM EDTSpecial Weather StatementAKQ45 min
Aug 24, 6:02 PM EDTSpecial Weather StatementAKQ43 min
Aug 24, 6:13 PM EDTSevere Thunderstorm WarningAKQ28 min
Aug 24, 7:51 PM EDTSpecial Weather StatementAKQ39 min
Aug 25, 3:34 PM EDTSevere Thunderstorm WatchSPC7 hr
Aug 25, 7:07 PM EDTMesoscale DiscussionSPC113 min
Aug 25, 8:50 PM EDTMesoscale DiscussionSPC115 min
Aug 28, 7:50 PM EDTMesoscale DiscussionSPC2 hr
Aug 29, 12:53 AM EDTSpecial Weather StatementAKQ52 min
Aug 29, 2:51 AM EDTAreal Flood AdvisoryAKQ2 hr
Aug 29, 12:08 PM EDTMesoscale DiscussionSPC3 hr
Sep 2, 7:09 PM EDTHeat AdvisoryAKQ25 hr
Sep 3, 3:06 PM EDTMesoscale DiscussionSPC114 min
Sep 9, 2:26 PM EDTFlash Flood WatchAKQ31 hr
Sep 10, 5:18 AM EDTAreal Flood AdvisoryAKQ3 hr
Sep 10, 2:51 PM EDTAreal Flood AdvisoryAKQ21 min
Sep 10, 3:12 PM EDTFlash Flood WarningAKQ3 hr
Sep 10, 3:40 PM EDTAreal Flood AdvisoryAKQ3 hr
Sep 10, 5:52 PM EDTAreal Flood WarningAKQ6 hr
Sep 10, 6:00 PM EDTSpecial Weather StatementAKQ45 min
Sep 29, 9:39 PM EDTSpecial Weather StatementAKQ51 min
Oct 16, 7:49 AM EDTSpecial Weather StatementAKQ56 min
Oct 21, 12:37 AM EDTDense Fog AdvisoryAKQ9 hr
Oct 27, 1:30 AM EDTDense Fog AdvisoryAKQ10 hr
Oct 28, 3:27 PM EDTWind AdvisoryAKQ28 hr
Oct 28, 3:37 PM EDTFlood WatchAKQ24 hr
Nov 2, 1:43 PM ESTFreeze WarningAKQ18 hr
Nov 6, 1:29 AM ESTDense Fog AdvisoryAKQ9 hr
Nov 11, 10:30 AM ESTFlash Flood WatchAKQ31 hr
Nov 11, 9:34 PM ESTAreal Flood AdvisoryAKQ4 hr
Nov 15, 3:33 PM ESTMesoscale DiscussionSPC2 hr
Nov 15, 9:20 PM ESTSpecial Weather StatementAKQ55 min
Nov 30, 12:26 PM ESTMesoscale DiscussionSPC3 hr
Nov 30, 1:07 PM ESTTornado WatchSPC6 hr
Nov 30, 1:28 PM ESTSpecial Weather StatementAKQ32 min
Nov 30, 1:38 PM ESTSevere Thunderstorm WarningAKQ22 min
Dec 23, 2:36 PM ESTFlash Flood WatchAKQ33 hr
Dec 24, 4:41 PM ESTSpecial Weather StatementAKQ49 min
Dec 24, 8:06 PM ESTAreal Flood AdvisoryAKQ3 hr
Dec 24, 10:57 PM ESTSpecial Weather StatementAKQ48 min
Dec 24, 11:41 PM ESTSpecial Weather StatementAKQ49 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 archive20192021

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.