Alert archive / Maryland / Flash Flood Watches

Flash Flood Watches in Maryland, 2009

22 flash flood watches in 2009. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood watches reaches back to 2005.

Flash Flood Watches by county

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

Flash Flood Watches
22
Busiest month
August9 flash flood watches
Busiest day
June 9, 20093 flash flood watches

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.

IssuedProductOfficeCountiesLasted
May 8, 5:35 PM EDTFlash Flood WatchLWXAllegany, Washington7 hr
May 28, 4:55 PM EDTFlash Flood WatchLWXAllegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 3 more7 hr
May 29, 12:14 AM EDTFlash Flood WatchLWXAnne Arundel, Baltimore, Carroll, Charles, Frederick, Prince George's and 1 more4 hr
May 29, 4:22 AM EDTFlash Flood WatchLWXAnne Arundel, Baltimore, Carroll, Frederick, Prince George's, City of Baltimore15 hr
Jun 3, 4:39 AM EDTFlash Flood WatchLWXAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 3 more20 hr
Jun 9, 1:18 PM EDTFlash Flood WatchLWXAllegany, Baltimore, Carroll, Frederick, Prince George's, Washington and 1 more7 hr
Jun 9, 1:49 PM EDTFlash Flood WatchPHICecil5 hr
Jun 9, 2:29 PM EDTFlash Flood WatchPBZ3 hr
Jun 11, 3:58 AM EDTFlash Flood WatchLWXAllegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 3 more24 hr
Jun 17, 9:23 PM EDTFlash Flood WatchLWXAllegany, Washington7 hr
Jun 19, 11:53 AM EDTFlash Flood WatchPBZ23 hr
Jul 30, 3:30 PM EDTFlash Flood WatchPHICecil27 hr
Aug 2, 2:19 AM EDTFlash Flood WatchPHICecil13 hr
Aug 2, 4:06 AM EDTFlash Flood WatchLWXAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 3 more10 hr
Aug 9, 11:57 AM EDTFlash Flood WatchPHICecil11 hr
Aug 13, 4:12 AM EDTFlash Flood WatchPHICaroline, Cecil, Kent, Queen Anne's, Talbot15 hr
Aug 21, 2:47 PM EDTFlash Flood WatchPHICaroline, Cecil, Kent, Queen Anne's, Talbot35 hr
Aug 22, 4:06 AM EDTFlash Flood WatchLWXAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 3 more19 hr
Aug 22, 1:58 PM EDTFlash Flood WatchAKQDorchester, Somerset, Wicomico, Worcester7 hr
Aug 28, 5:50 AM EDTFlash Flood WatchLWXAnne Arundel, Baltimore, Carroll, Frederick, Prince George's, City of Baltimore22 hr
Aug 28, 2:52 PM EDTFlash Flood WatchPHICecil14 hr
Dec 8, 2:40 PM ESTFlash Flood WatchPHICaroline, Cecil, Kent, Queen Anne's, Talbot21 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 9, 20093flash flood watches
  2. May 29, 20092flash flood watches
  3. August 2, 20092flash flood watches
  4. August 22, 20092flash flood watches
  5. August 28, 20092flash flood watches
  6. May 8, 20091flash flood watches
  7. May 28, 20091flash flood watches
  8. June 3, 20091flash flood watches
  9. June 11, 20091flash flood watches
  10. June 18, 20091flash flood watches
  11. June 19, 20091flash flood watches
  12. July 30, 20091flash flood watches

Nearby

Alerts in force nowTornadoes on recordThe 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.