Alert archive / Maryland / Flash Flood Watches
Flash Flood Watches in Maryland, 2017
23 flash flood watches in 2017. 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 2017. Tap one for its archive.
- Flash Flood Watches
- 23
- Busiest month
- July11 flash flood watches
- Busiest day
- July 27, 20174 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 1, 12:51 AM EST | Flash Flood Watch | PBZ | 12 hr | |
| May 28, 11:11 AM EDT | Flash Flood Watch | PBZ | 8 hr | |
| May 28, 11:13 AM EDT | Flash Flood Watch | LWX | Allegany | 8 hr |
| Jun 18, 3:30 AM EDT | Flash Flood Watch | PHI | Cecil | 39 hr |
| Jun 19, 4:09 AM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 3 more | 14 hr |
| Jun 22, 12:26 PM EDT | Flash Flood Watch | PBZ | 38 hr | |
| Jul 6, 6:20 AM EDT | Flash Flood Watch | LWX | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more | 20 hr |
| Jul 6, 9:56 AM EDT | Flash Flood Watch | PBZ | 11 hr | |
| Jul 6, 4:16 PM EDT | Flash Flood Watch | PHI | Cecil, Kent | 3 hr |
| Jul 13, 9:25 AM EDT | Flash Flood Watch | PBZ | 31 hr | |
| Jul 14, 11:40 AM EDT | Flash Flood Watch | PHI | Cecil, Kent, Queen Anne's | 11 hr |
| Jul 23, 3:16 PM EDT | Flash Flood Watch | PHI | Cecil | 15 hr |
| Jul 23, 4:59 PM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 3 more | 9 hr |
| Jul 27, 1:47 PM EDT | Flash Flood Watch | LWX | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more | 48 hr |
| Jul 27, 2:13 PM EDT | Flash Flood Watch | PBZ | 42 hr | |
| Jul 27, 3:08 PM EDT | Flash Flood Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 42 hr |
| Jul 27, 3:20 PM EDT | Flash Flood Watch | AKQ | Dorchester, Somerset, Wicomico, Worcester | 42 hr |
| Aug 6, 3:12 PM EDT | Flash Flood Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 26 hr |
| Aug 6, 5:29 PM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Calvert, Charles, Harford, Howard and 4 more | 23 hr |
| Aug 7, 3:32 AM EDT | Flash Flood Watch | AKQ | Dorchester, Somerset, Wicomico, Worcester | 18 hr |
| Aug 18, 3:39 AM EDT | Flash Flood Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 18 hr |
| Aug 18, 12:35 PM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 6 more | 8 hr |
| Aug 28, 3:36 AM EDT | Flash Flood Watch | AKQ | Somerset, Wicomico, Worcester | 41 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cecil County7
- Anne Arundel County6
- Baltimore County6
- Harford County6
- Howard County6
- Montgomery County6
- Prince George's County6
- City of Baltimore6
- Carroll County5
- Frederick County5
- Kent County5
- Calvert County4
- Charles County4
- Saint Mary's County4
- Queen Anne's County4
- Allegany County3
- Caroline County3
- Talbot County3
- Somerset County3
- Wicomico County3
- Worcester County3
- Washington County2
- Dorchester County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.