Alert archive / Virginia / Loudoun County

Weather alerts in Loudoun County, Virginia, 2012

149 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Loudoun County and its neighbors

Each county as a circle sized by its count in 2012. Tap one for its archive.

Alerts
149
Warnings
56
Watches
16
Advisories
0
Busiest month
July39 alerts
Busiest day
September 18, 201213 alerts

Over time

By month

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
Feb 29, 7:25 PM ESTAreal Flood WarningLWX3 hr
Mar 2, 10:41 PM ESTSpecial Weather StatementLWX79 min
Mar 8, 11:35 PM ESTSpecial Weather StatementLWX25 min
Mar 28, 10:23 AM EDTMesoscale DiscussionSPC2 hr
Apr 9, 9:23 PM EDTSpecial Weather StatementLWX52 min
Apr 9, 9:49 PM EDTSpecial Weather StatementLWX26 min
Apr 21, 4:52 PM EDTSpecial Weather StatementLWX23 min
May 2, 4:56 PM EDTMesoscale DiscussionSPC2 hr
May 2, 6:06 PM EDTSevere Thunderstorm WarningLWX39 min
May 2, 6:41 PM EDTSpecial Weather StatementLWX34 min
May 3, 9:57 PM EDTSevere Thunderstorm WarningLWX48 min
May 4, 1:26 PM EDTMesoscale DiscussionSPC2 hr
May 15, 2:08 PM EDTMesoscale DiscussionSPC67 min
May 21, 11:17 PM EDTSpecial Weather StatementLWX88 min
May 22, 1:05 AM EDTFlash Flood WarningLWX3 hr
May 23, 4:32 PM EDTSpecial Weather StatementLWX28 min
May 23, 5:18 PM EDTSpecial Weather StatementLWX27 min
May 23, 5:24 PM EDTFlash Flood WarningLWX96 min
May 23, 5:50 PM EDTSpecial Weather StatementLWX25 min
May 27, 6:34 PM EDTMesoscale DiscussionSPC56 min
May 27, 8:08 PM EDTSevere Thunderstorm WarningLWX37 min
May 27, 8:42 PM EDTSpecial Weather StatementLWX18 min
May 29, 4:22 PM EDTMesoscale DiscussionSPC53 min
May 29, 4:33 PM EDTSevere Thunderstorm WatchSPC4 hr
May 29, 4:53 PM EDTSevere Thunderstorm WarningLWX52 min
May 29, 5:26 PM EDTSevere Thunderstorm WarningLWX49 min
May 29, 5:57 PM EDTSpecial Weather StatementLWX33 min
May 29, 7:38 PM EDTFlash Flood WarningLWX76 min
Jun 1, 12:29 PM EDTMesoscale DiscussionSPC61 min
Jun 1, 1:03 PM EDTMesoscale DiscussionSPC87 min
Jun 1, 1:28 PM EDTTornado WatchSPC8 hr
Jun 1, 1:49 PM EDTSevere Thunderstorm WarningLWX41 min
Jun 1, 2:05 PM EDTSevere Thunderstorm WarningLWX40 min
Jun 1, 2:19 PM EDTTornado WarningLWX26 min
Jun 1, 2:38 PM EDTSevere Thunderstorm WarningLWX52 min
Jun 1, 8:01 PM EDTTornado WatchSPC4 hr
Jun 3, 1:37 PM EDTMesoscale DiscussionSPC2 hr
Jun 22, 12:18 PM EDTMesoscale DiscussionSPC2 hr
Jun 22, 2:12 PM EDTSevere Thunderstorm WatchSPC7 hr
Jun 22, 5:37 PM EDTSevere Thunderstorm WarningLWX53 min
Jun 22, 6:10 PM EDTSevere Thunderstorm WarningLWX50 min
Jun 22, 6:42 PM EDTMesoscale DiscussionSPC63 min
Jun 22, 6:57 PM EDTSevere Thunderstorm WarningLWX48 min
Jun 29, 6:03 PM EDTMesoscale DiscussionSPC87 min
Jun 29, 6:34 PM EDTSevere Thunderstorm WatchSPC6 hr
Jun 29, 7:51 PM EDTMesoscale DiscussionSPC114 min
Jun 29, 8:53 PM EDTSevere Thunderstorm WarningLWX35 min
Jun 29, 9:29 PM EDTSevere Thunderstorm WarningLWX46 min
Jun 29, 9:34 PM EDTSevere Thunderstorm WarningLWX56 min
Jun 29, 9:46 PM EDTSevere Thunderstorm WarningLWX59 min
Jun 29, 10:10 PM EDTSevere Thunderstorm WarningLWX65 min
Jun 30, 4:27 PM EDTMesoscale DiscussionSPC3 hr
Jul 2, 12:39 AM EDTMesoscale DiscussionSPC96 min
Jul 3, 5:58 PM EDTMesoscale DiscussionSPC3 hr
Jul 3, 7:40 PM EDTSevere Thunderstorm WarningLWX50 min
Jul 3, 8:01 PM EDTSevere Thunderstorm WarningLWX29 min
Jul 4, 3:12 PM EDTSpecial Weather StatementLWX3 hr
Jul 4, 8:05 PM EDTMesoscale DiscussionSPC55 min
Jul 4, 9:34 PM EDTSevere Thunderstorm WarningLWX41 min
Jul 4, 9:42 PM EDTSpecial Weather StatementLWX33 min
Jul 4, 10:00 PM EDTSevere Thunderstorm WarningLWX45 min
Jul 8, 12:47 PM EDTMesoscale DiscussionSPC88 min
Jul 8, 1:44 PM EDTSevere Thunderstorm WatchSPC8 hr
Jul 8, 2:17 PM EDTSevere Thunderstorm WarningLWX43 min
Jul 8, 2:53 PM EDTSevere Thunderstorm WarningLWX52 min
Jul 8, 3:02 PM EDTSevere Thunderstorm WarningLWX43 min
Jul 8, 3:35 PM EDTSevere Thunderstorm WarningLWX55 min
Jul 8, 3:44 PM EDTSevere Thunderstorm WarningLWX46 min
Jul 8, 4:07 PM EDTSevere Thunderstorm WarningLWX53 min
Jul 8, 4:21 PM EDTMesoscale DiscussionSPC54 min
Jul 8, 11:53 PM EDTSpecial Weather StatementLWX37 min
Jul 9, 12:09 AM EDTMesoscale DiscussionSPC96 min
Jul 15, 4:54 PM EDTSpecial Weather StatementLWX51 min
Jul 18, 12:41 PM EDTSevere Thunderstorm WatchSPC8 hr
Jul 18, 2:57 PM EDTSevere Thunderstorm WarningLWX48 min
Jul 18, 3:24 PM EDTSevere Thunderstorm WarningLWX30 min
Jul 18, 3:44 PM EDTMesoscale DiscussionSPC91 min
Jul 19, 7:56 PM EDTSpecial Weather StatementLWX49 min
Jul 19, 8:43 PM EDTSpecial Weather StatementLWX47 min
Jul 20, 7:44 PM EDTFlash Flood WarningLWX85 min
Jul 24, 11:48 AM EDTMesoscale DiscussionSPC87 min
Jul 24, 1:08 PM EDTSevere Thunderstorm WatchSPC6 hr
Jul 26, 3:08 PM EDTMesoscale DiscussionSPC2 hr
Jul 26, 5:54 PM EDTSevere Thunderstorm WatchSPC6 hr
Jul 26, 9:06 PM EDTMesoscale DiscussionSPC84 min
Jul 26, 9:45 PM EDTSpecial Weather StatementLWX30 min
Jul 26, 9:48 PM EDTSevere Thunderstorm WarningLWX15 min
Jul 28, 12:26 PM EDTMesoscale DiscussionSPC2 hr
Jul 28, 1:36 PM EDTSevere Thunderstorm WatchSPC8 hr
Jul 28, 4:18 PM EDTMesoscale DiscussionSPC87 min
Jul 31, 5:04 PM EDTSevere Thunderstorm WarningLWX20 min
Aug 5, 2:49 PM EDTSevere Thunderstorm WarningLWX41 min
Aug 5, 2:49 PM EDTMesoscale DiscussionSPC86 min
Aug 5, 3:16 PM EDTSevere Thunderstorm WarningLWX44 min
Aug 5, 3:36 PM EDTSevere Thunderstorm WatchSPC5 hr
Aug 5, 3:40 PM EDTSpecial Weather StatementLWX20 min
Aug 9, 6:46 PM EDTSpecial Weather StatementLWX44 min
Aug 9, 6:47 PM EDTSpecial Weather StatementLWX43 min
Aug 9, 7:19 PM EDTSevere Thunderstorm WarningLWX41 min
Aug 10, 3:31 PM EDTMesoscale DiscussionSPC89 min
Aug 10, 7:31 PM EDTMesoscale DiscussionSPC119 min
Aug 14, 2:07 PM EDTMesoscale DiscussionSPC113 min
Aug 19, 1:38 PM EDTSpecial Weather StatementLWX112 min
Aug 26, 12:03 PM EDTSpecial Weather StatementLWX27 min
Aug 26, 12:52 PM EDTMesoscale DiscussionSPC83 min
Sep 4, 1:01 AM EDTSpecial Weather StatementLWX44 min
Sep 8, 11:38 AM EDTMesoscale DiscussionSPC97 min
Sep 8, 12:15 PM EDTSevere Thunderstorm WatchSPC9 hr
Sep 8, 1:49 PM EDTSpecial Weather StatementLWX26 min
Sep 8, 2:12 PM EDTMesoscale DiscussionSPC93 min
Sep 8, 2:19 PM EDTSpecial Weather StatementLWX26 min
Sep 8, 2:47 PM EDTSevere Thunderstorm WarningLWX58 min
Sep 8, 3:22 PM EDTSevere Thunderstorm WarningLWX68 min
Sep 18, 8:49 AM EDTMesoscale DiscussionSPC116 min
Sep 18, 10:54 AM EDTTornado WatchSPC9 hr
Sep 18, 11:13 AM EDTSevere Thunderstorm WarningLWX47 min
Sep 18, 11:19 AM EDTMesoscale DiscussionSPC86 min
Sep 18, 12:29 PM EDTSevere Thunderstorm WarningLWX61 min
Sep 18, 12:59 PM EDTFlash Flood WarningLWX3 hr
Sep 18, 1:06 PM EDTSpecial Weather StatementLWX54 min
Sep 18, 1:27 PM EDTMesoscale DiscussionSPC63 min
Sep 18, 1:31 PM EDTSpecial Weather StatementLWX29 min
Sep 18, 1:54 PM EDTSevere Thunderstorm WarningLWX66 min
Sep 18, 2:18 PM EDTSevere Thunderstorm WarningLWX57 min
Sep 18, 2:38 PM EDTSevere Thunderstorm WarningLWX52 min
Sep 18, 3:53 PM EDTAreal Flood WarningLWX20 hr
Sep 22, 3:09 PM EDTMesoscale DiscussionSPC2 hr
Sep 27, 3:18 PM EDTMesoscale DiscussionSPC117 min
Sep 27, 6:13 PM EDTSpecial Weather StatementLWX32 min
Sep 27, 6:16 PM EDTMesoscale DiscussionSPC29 min
Sep 27, 6:36 PM EDTSevere Thunderstorm WatchSPC5 hr
Sep 27, 6:38 PM EDTSevere Thunderstorm WarningLWX52 min
Sep 27, 7:08 PM EDTSevere Thunderstorm WarningLWX37 min
Sep 27, 7:53 PM EDTSpecial Weather StatementLWX22 min
Sep 27, 8:57 PM EDTMesoscale DiscussionSPC63 min
Oct 18, 8:55 PM EDTMesoscale DiscussionSPC2 hr
Oct 18, 9:41 PM EDTSevere Thunderstorm WarningLWX26 min
Oct 18, 10:08 PM EDTSpecial Weather StatementLWX37 min
Oct 18, 10:27 PM EDTSevere Thunderstorm WarningLWX37 min
Oct 18, 10:43 PM EDTSpecial Weather StatementLWX32 min
Oct 19, 4:48 PM EDTMesoscale DiscussionSPC87 min
Oct 29, 11:32 AM EDTRiver Flood WarningLWX40 hr
Oct 29, 12:00 PM EDTRiver Flood WatchLWX6 hr
Oct 29, 12:00 PM EDTRiver Flood WatchLWX6 hr
Oct 29, 12:54 PM EDTAreal Flood WarningLWX26 hr
Oct 29, 5:06 PM EDTRiver Flood WarningLWX40 hr
Oct 29, 5:06 PM EDTRiver Flood WarningLWX53 hr
Nov 12, 10:47 PM ESTSpecial Weather StatementLWX43 min
Dec 26, 12:48 PM ESTMesoscale DiscussionSPC6 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

ProductAlerts
Severe storms
Severe Thunderstorm Warning44
Tornado Warning1
Severe Thunderstorm Watch11
Tornado Watch3
Mesoscale Discussion43
Special Weather Statement34
Flooding
Areal Flood Warning3
Flash Flood Warning5
River Flood Warning3
River Flood Watch2

The busiest days

Days with the most alerts issued, by UTC date.

  1. September 18, 201213alerts
  2. July 8, 20129alerts
  3. June 1, 20127alerts
  4. September 8, 20127alerts
  5. September 27, 20127alerts
  6. May 29, 20126alerts
  7. June 22, 20126alerts
  8. June 30, 20126alerts
  9. October 19, 20126alerts
  10. October 29, 20126alerts

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20112013

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. Rebuilt daily.