Alert archive / Maryland / Flash Flood Watches
Flash Flood Watches in Maryland, 2015
20 flash flood watches in 2015. 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 2015. Tap one for its archive.
- Flash Flood Watches
- 20
- Busiest month
- June6 flash flood watches
- Busiest day
- June 1, 20152 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 |
|---|---|---|---|---|
| Apr 9, 4:08 AM EDT | Flash Flood Watch | PBZ | 32 hr | |
| Jun 1, 4:20 AM EDT | Flash Flood Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 26 hr |
| Jun 1, 4:22 AM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Carroll, Charles, Frederick, Harford and 4 more | 23 hr |
| Jun 19, 3:11 PM EDT | Flash Flood Watch | LWX | Allegany, Anne Arundel, Baltimore, Carroll, Frederick, Harford and 5 more | 38 hr |
| Jun 19, 5:59 PM EDT | Flash Flood Watch | PBZ | 29 hr | |
| Jun 26, 4:20 AM EDT | Flash Flood Watch | LWX | Allegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 6 more | 40 hr |
| Jun 30, 3:54 PM EDT | Flash Flood Watch | PHI | Cecil | 13 hr |
| Jul 7, 3:03 PM EDT | Flash Flood Watch | PBZ | 13 hr | |
| Jul 9, 4:38 PM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Harford, Howard, Montgomery, Prince George's and 1 more | 3 hr |
| Jul 10, 2:17 PM EDT | Flash Flood Watch | LWX | Prince George's | 16 hr |
| Jul 10, 3:07 PM EDT | Flash Flood Watch | PBZ | 5 hr | |
| Jul 14, 5:05 AM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 3 more | 16 hr |
| Aug 20, 4:29 AM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Carroll, Harford, Howard, Montgomery and 2 more | 18 hr |
| Aug 20, 2:46 PM EDT | Flash Flood Watch | PHI | Cecil, Kent | 13 hr |
| Sep 10, 12:34 PM EDT | Flash Flood Watch | PHI | Cecil, Kent, Queen Anne's | 6 hr |
| Sep 29, 4:20 AM EDT | Flash Flood Watch | LWX | Allegany, Frederick, Washington | 23 hr |
| Sep 29, 9:34 AM EDT | Flash Flood Watch | PBZ | 18 hr | |
| Oct 1, 4:19 AM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Calvert, Charles, Howard, Montgomery and 3 more | 50 hr |
| Dec 24, 3:44 AM EST | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Howard, Montgomery, Prince George's, City of Baltimore | 10 hr |
| Dec 25, 1:19 PM EST | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 4 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Prince George's County10
- Anne Arundel County9
- Baltimore County9
- Howard County9
- Montgomery County9
- City of Baltimore9
- Harford County7
- Carroll County6
- Frederick County6
- Cecil County4
- Washington County4
- Kent County3
- Charles County3
- Allegany County3
- Queen Anne's County2
- Caroline County1
- Talbot County1
- Calvert County1
- Saint Mary's County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.