Alert archive / Virginia / Frederick County / Mesoscale Discussions

Mesoscale Discussions in Frederick County, Virginia, 2009

20 mesoscale discussions in 2009. An alert counts here when it covered this county. The archive of mesoscale discussions reaches back to 2003.

Frederick County and its neighbors

Each county as a circle sized by its count in 2009. Tap one for its archive.

Mesoscale Discussions
20
Busiest month
June7 mesoscale discussions
Busiest day
December 19, 20093 mesoscale discussions

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 11, 5:32 PM ESTMesoscale DiscussionSPC88 min
Feb 11, 8:00 PM ESTMesoscale DiscussionSPC60 min
Feb 18, 1:05 AM ESTMesoscale DiscussionSPC4 hr
Mar 29, 1:49 PM EDTMesoscale DiscussionSPC116 min
Apr 21, 2:12 PM EDTMesoscale DiscussionSPC2 hr
May 29, 12:20 PM EDTMesoscale DiscussionSPC55 min
Jun 3, 7:10 PM EDTMesoscale DiscussionSPC95 min
Jun 9, 1:38 PM EDTMesoscale DiscussionSPC97 min
Jun 9, 4:03 PM EDTMesoscale DiscussionSPC57 min
Jun 10, 1:57 PM EDTMesoscale DiscussionSPC93 min
Jun 11, 11:51 AM EDTMesoscale DiscussionSPC84 min
Jun 26, 7:33 PM EDTMesoscale DiscussionSPC57 min
Jun 26, 9:11 PM EDTMesoscale DiscussionSPC64 min
Jul 21, 1:56 PM EDTMesoscale DiscussionSPC64 min
Jul 25, 3:05 PM EDTMesoscale DiscussionSPC55 min
Jul 26, 1:40 PM EDTMesoscale DiscussionSPC2 hr
Oct 24, 5:25 AM EDTMesoscale DiscussionSPC95 min
Dec 19, 12:34 AM ESTMesoscale DiscussionSPC5 hr
Dec 19, 6:57 AM ESTMesoscale DiscussionSPC6 hr
Dec 19, 12:27 PM ESTMesoscale DiscussionSPC6 hr

The busiest days

Days with the most alerts issued, by UTC date.

  1. December 19, 20093mesoscale discussions
  2. June 9, 20092mesoscale discussions
  3. February 11, 20091mesoscale discussions
  4. February 12, 20091mesoscale discussions
  5. February 18, 20091mesoscale discussions
  6. March 29, 20091mesoscale discussions
  7. April 21, 20091mesoscale discussions
  8. May 29, 20091mesoscale discussions
  9. June 3, 20091mesoscale discussions
  10. June 10, 20091mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20082010

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.