Alert archive / Virginia / Highland County

Weather alerts in Highland County, Virginia, 2019

100 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Highland County and its neighbors

Each county as a circle sized by its count in 2019. Tap one for its archive.

Alerts
100
Warnings
18
Watches
19
Advisories
44
Busiest month
January22 alerts
Busiest day
June 2, 20194 alerts

Over time

By month

Warning verification

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

Highland County, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings9367%250%16 min
Flash flood warnings00

Each office's whole area, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Baltimore/Washington: tornado warnings34488%850%5 min
NWS Baltimore/Washington: severe thunderstorm warnings69446833%1,61081%19 min
NWS Baltimore/Washington: flash flood warnings361656%7496%103 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 5, 12:58 PM ESTWind AdvisoryLWX5 hr
Jan 8, 2:18 PM ESTWind AdvisoryLWX22 hr
Jan 8, 2:18 PM ESTWinter Weather AdvisoryLWX47 hr
Jan 10, 2:25 AM ESTWind AdvisoryLWX11 hr
Jan 11, 3:37 AM ESTWinter Storm WatchLWX11 hr
Jan 11, 2:17 PM ESTWinter Storm WarningLWX56 hr
Jan 13, 9:47 PM ESTWinter Weather AdvisoryLWX20 hr
Jan 16, 11:30 AM ESTWinter Weather AdvisoryLWX6 hr
Jan 17, 3:41 AM ESTWinter Weather AdvisoryLWX30 hr
Jan 18, 1:27 PM ESTWinter Weather AdvisoryLWX41 hr
Jan 19, 1:44 PM ESTWind AdvisoryLWX29 hr
Jan 20, 3:44 AM ESTWind Chill WarningLWX33 hr
Jan 21, 12:26 PM ESTWind Chill AdvisoryLWX12 hr
Jan 23, 4:03 AM ESTFlood WatchLWX35 hr
Jan 23, 12:54 PM ESTWind AdvisoryLWX21 hr
Jan 24, 1:14 AM ESTWind AdvisoryLWX8 hr
Jan 28, 2:58 PM ESTWinter Weather AdvisoryLWX29 hr
Jan 29, 3:20 AM ESTWind Chill WarningLWX57 hr
Jan 29, 3:20 AM ESTWind Chill AdvisoryLWX57 hr
Jan 29, 9:00 PM ESTWind AdvisoryLWX20 hr
Jan 30, 3:31 AM ESTHigh Wind WarningLWX13 hr
Jan 31, 3:27 PM ESTWinter Weather AdvisoryLWX27 hr
Feb 8, 3:28 AM ESTWind AdvisoryLWX15 hr
Feb 10, 3:02 AM ESTWinter Weather AdvisoryLWX61 hr
Feb 12, 4:16 AM ESTMesoscale DiscussionSPC6 hr
Feb 12, 1:57 PM ESTWind AdvisoryLWX24 hr
Feb 16, 2:54 PM ESTWinter Weather AdvisoryLWX34 hr
Feb 18, 3:38 AM ESTWinter Storm WatchLWX23 hr
Feb 19, 2:47 AM ESTWinter Storm WarningLWX46 hr
Feb 20, 12:26 AM ESTMesoscale DiscussionSPC4 hr
Feb 21, 2:17 PM ESTWinter Weather AdvisoryLWX19 hr
Feb 22, 1:39 PM ESTHigh Wind WatchLWX25 hr
Feb 22, 2:57 PM ESTWinter Weather AdvisoryLWX37 hr
Feb 22, 2:58 PM ESTFlood WatchLWX36 hr
Feb 23, 3:01 PM ESTHigh Wind WarningLWX44 hr
Feb 24, 3:02 AM ESTWind AdvisoryLWX38 hr
Feb 28, 9:28 AM ESTWinter Weather AdvisoryLWX24 hr
Mar 1, 9:43 AM ESTWinter Weather AdvisoryLWX19 hr
Mar 1, 1:55 PM ESTWinter Storm WatchLWX24 hr
Mar 2, 1:55 PM ESTWinter Weather AdvisoryLWX35 hr
Mar 5, 1:54 PM ESTWind Chill AdvisoryLWX20 hr
Mar 7, 2:28 PM ESTWinter Weather AdvisoryLWX29 hr
Mar 19, 10:00 AM EDTSpecial Weather StatementLWX15 min
Mar 21, 5:47 PM EDTWinter Weather AdvisoryLWX32 hr
Mar 22, 4:08 AM EDTWind AdvisoryLWX24 hr
Apr 14, 6:08 PM EDTTornado WatchSPC9 hr
Apr 14, 10:09 PM EDTSevere Thunderstorm WarningLWX66 min
Apr 15, 3:51 AM EDTWind AdvisoryLWX16 hr
Apr 19, 12:48 PM EDTTornado WatchSPC9 hr
Apr 19, 3:09 PM EDTSevere Thunderstorm WarningLWX36 min
Apr 26, 5:39 PM EDTWind AdvisoryLWX19 hr
May 3, 12:58 PM EDTMesoscale DiscussionSPC2 hr
May 3, 2:21 PM EDTSevere Thunderstorm WatchSPC8 hr
May 3, 4:45 PM EDTMesoscale DiscussionSPC60 min
May 11, 1:15 PM EDTFlood WatchLWX25 hr
May 17, 7:37 PM EDTMesoscale DiscussionSPC113 min
May 19, 1:27 PM EDTMesoscale DiscussionSPC2 hr
May 26, 1:45 PM EDTMesoscale DiscussionSPC2 hr
May 29, 2:21 PM EDTMesoscale DiscussionSPC114 min
Jun 2, 12:24 PM EDTMesoscale DiscussionSPC2 hr
Jun 2, 12:53 PM EDTSevere Thunderstorm WatchSPC7 hr
Jun 2, 3:33 PM EDTMesoscale DiscussionSPC87 min
Jun 2, 6:53 PM EDTMesoscale DiscussionSPC67 min
Jun 17, 2:03 PM EDTMesoscale DiscussionSPC117 min
Jun 24, 7:17 PM EDTMesoscale DiscussionSPC2 hr
Jul 4, 11:23 AM EDTFlash Flood WatchLWX12 hr
Jul 5, 5:47 AM EDTFlash Flood WatchLWX16 hr
Jul 7, 4:06 AM EDTFlash Flood WatchLWX34 hr
Jul 11, 4:18 AM EDTFlash Flood WatchLWX15 hr
Jul 11, 2:53 PM EDTAreal Flood WarningLWX115 min
Jul 15, 3:45 PM EDTSevere Thunderstorm WarningLWX24 min
Jul 15, 4:46 PM EDTAreal Flood WarningLWX3 hr
Jul 17, 1:29 PM EDTMesoscale DiscussionSPC3 hr
Jul 21, 2:48 PM EDTFlash Flood WatchLWX37 hr
Jul 21, 3:53 PM EDTSevere Thunderstorm WarningLWX37 min
Jul 21, 5:12 PM EDTSevere Thunderstorm WarningLWX48 min
Jul 21, 6:07 PM EDTMesoscale DiscussionSPC83 min
Aug 1, 4:02 PM EDTSevere Thunderstorm WarningLWX43 min
Aug 7, 8:44 AM EDTSevere Thunderstorm WarningLWX46 min
Aug 9, 2:25 PM EDTMesoscale DiscussionSPC95 min
Aug 20, 1:47 PM EDTSevere Thunderstorm WarningLWX28 min
Aug 20, 3:02 PM EDTSevere Thunderstorm WatchSPC6 hr
Sep 11, 3:08 PM EDTMesoscale DiscussionSPC2 hr
Sep 14, 1:46 PM EDTMesoscale DiscussionSPC119 min
Oct 14, 4:43 AM EDTDense Fog AdvisoryLWX4 hr
Oct 16, 3:51 AM EDTWind AdvisoryLWX34 hr
Oct 18, 3:15 AM EDTFrost AdvisoryLWX30 hr
Oct 31, 3:48 AM EDTWind AdvisoryLWX24 hr
Oct 31, 2:56 PM EDTTornado WatchSPC10 hr
Oct 31, 4:41 PM EDTSevere Thunderstorm WarningLWX49 min
Nov 17, 8:00 PM ESTWinter Weather AdvisoryLWX13 hr
Nov 19, 2:49 AM ESTDense Fog AdvisoryLWX6 hr
Nov 26, 2:47 PM ESTHigh Wind WatchLWX13 hr
Nov 26, 2:47 PM ESTWind AdvisoryLWX45 hr
Nov 27, 3:49 AM ESTHigh Wind WarningLWX30 hr
Nov 28, 9:29 AM ESTWind AdvisoryLWX2 hr
Dec 1, 3:10 PM ESTWinter Weather AdvisoryLWX27 hr
Dec 12, 1:51 PM ESTWinter Weather AdvisoryLWX28 hr
Dec 15, 2:51 PM ESTWinter Weather AdvisoryLWX37 hr
Dec 18, 1:19 PM ESTWind Chill AdvisoryLWX19 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 archive20182020

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.