Alert archive / Maryland / Flash Flood Watches

Flash Flood Watches in Maryland, 2019

27 flash flood watches in 2019. 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 2019. Tap one for its archive.

Flash Flood Watches
27
Busiest month
July15 flash flood watches
Busiest day
June 17, 20193 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
Apr 18, 2:07 PM EDTFlash Flood WatchLWXAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 7 more32 hr
Apr 18, 3:17 PM EDTFlash Flood WatchPHICaroline, Cecil, Kent, Queen Anne's, Talbot42 hr
Apr 19, 8:26 AM EDTFlash Flood WatchAKQDorchester, Somerset, Wicomico, Worcester20 hr
May 3, 4:09 PM EDTFlash Flood WatchLWXAllegany, Frederick, Washington5 hr
May 4, 4:05 AM EDTFlash Flood WatchLWXAnne Arundel, Baltimore, Carroll, Charles, Frederick, Harford and 5 more30 hr
May 4, 3:11 PM EDTFlash Flood WatchPHICecil, Kent21 hr
May 29, 3:37 AM EDTFlash Flood WatchPBZ17 hr
Jun 17, 3:38 AM EDTFlash Flood WatchPBZ4 days
Jun 17, 3:51 AM EDTFlash Flood WatchPHICaroline, Cecil, Kent, Queen Anne's, Talbot47 hr
Jun 17, 3:57 AM EDTFlash Flood WatchLWXAllegany, Anne Arundel, Baltimore, Carroll, Frederick, Harford and 5 more15 hr
Jun 18, 3:38 AM EDTFlash Flood WatchLWXAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more19 hr
Jun 19, 3:17 AM EDTFlash Flood WatchPHICecil, Kent43 hr
Jul 4, 11:18 AM EDTFlash Flood WatchPBZ6 hr
Jul 4, 11:23 AM EDTFlash Flood WatchLWXAllegany, Anne Arundel, Baltimore, Howard, Montgomery, Prince George's and 1 more12 hr
Jul 5, 5:47 AM EDTFlash Flood WatchLWXAllegany16 hr
Jul 5, 7:43 AM EDTFlash Flood WatchPBZ14 hr
Jul 6, 11:30 AM EDTFlash Flood WatchPBZ10 hr
Jul 7, 4:06 AM EDTFlash Flood WatchLWXAllegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 5 more34 hr
Jul 7, 12:05 PM EDTFlash Flood WatchPBZ9 hr
Jul 11, 3:44 AM EDTFlash Flood WatchPHICecil18 hr
Jul 11, 4:18 AM EDTFlash Flood WatchLWXAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 7 more15 hr
Jul 17, 3:54 AM EDTFlash Flood WatchPHICecil19 hr
Jul 21, 3:15 AM EDTFlash Flood WatchPHICaroline, Cecil, Kent, Queen Anne's, Talbot51 hr
Jul 21, 2:48 PM EDTFlash Flood WatchLWXAllegany, Anne Arundel, Baltimore, Carroll, Frederick, Harford and 5 more37 hr
Jul 22, 12:52 AM EDTFlash Flood WatchPBZ19 hr
Jul 31, 3:28 AM EDTFlash Flood WatchPHICecil17 hr
Jul 31, 12:02 PM EDTFlash Flood WatchLWXAnne Arundel, Baltimore, Harford, Howard, Montgomery, Prince George's and 1 more7 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 17, 20193flash flood watches
  2. April 18, 20192flash flood watches
  3. May 4, 20192flash flood watches
  4. July 4, 20192flash flood watches
  5. July 5, 20192flash flood watches
  6. July 7, 20192flash flood watches
  7. July 11, 20192flash flood watches
  8. July 21, 20192flash flood watches
  9. July 31, 20192flash flood watches
  10. April 19, 20191flash flood watches
  11. May 3, 20191flash flood watches
  12. May 29, 20191flash flood watches

Nearby

Alerts in force nowTornadoes on recordThe 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.