Alert archive / Maryland / Flash Flood Warnings / 2017
Flash Flood Warnings in Maryland, July 2017
21 flash flood warnings in July 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 warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in July 2017. Tap one for its archive.
- Flash Flood Warnings
- 21
- Busiest day
- July 14, 20176 flash flood warnings
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Jul 4, 3:51 PM EDT | Flash Flood Warning | LWX | Allegany | 3 hr |
| Jul 6, 8:03 AM EDT | Flash Flood Warning | LWX | Calvert, Charles, Saint Mary's | 6 hr |
| Jul 6, 3:35 PM EDT | Flash Flood Warning | PHI | Cecil | 4 hr |
| Jul 14, 3:10 PM EDT | Flash Flood Warning | PHI | Cecil | 2 hr |
| Jul 14, 3:52 PM EDT | Flash Flood Warning | PHI | Talbot | 53 min |
| Jul 14, 3:57 PM EDT | Flash Flood Warning | PHI | Cecil, Kent | 2 hr |
| Jul 14, 4:59 PM EDT | Flash Flood Warning | PHI | Queen Anne's | 4 hr |
| Jul 14, 5:58 PM EDT | Flash Flood Warning | PHI | Talbot | 3 hr |
| Jul 14, 6:10 PM EDT | Flash Flood Warning | PHI | Caroline | 3 hr |
| Jul 17, 3:51 PM EDT | Flash Flood Warning | LWX | Baltimore, Carroll | 3 hr |
| Jul 17, 4:10 PM EDT | Flash Flood Warning | LWX | Montgomery | 3 hr |
| Jul 23, 5:19 PM EDT | Flash Flood Warning | LWX | Harford | 3 hr |
| Jul 23, 6:26 PM EDT | Flash Flood Warning | PHI | Cecil | 4 hr |
| Jul 23, 7:05 PM EDT | Flash Flood Warning | LWX | Harford | 3 hr |
| Jul 28, 10:49 AM EDT | Flash Flood Warning | LWX | Montgomery | 4 hr |
| Jul 28, 11:48 AM EDT | Flash Flood Warning | LWX | Prince George's | 6 hr |
| Jul 28, 3:18 PM EDT | Flash Flood Warning | LWX | Prince George's | 3 hr |
| Jul 28, 6:31 PM EDT | Flash Flood Warning | LWX | Baltimore, City of Baltimore | 4 hr |
| Jul 28, 7:07 PM EDT | Flash Flood Warning | PBZ | Garrett | 5 hr |
| Jul 28, 10:51 PM EDT | Flash Flood Warning | LWX | Frederick, Howard, Montgomery | 4 hr |
| Jul 28, 11:50 PM EDT | Flash Flood Warning | LWX | Anne Arundel, Baltimore, Howard, Montgomery, City of Baltimore | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cecil County4
- Montgomery County4
- Baltimore County3
- Talbot County2
- Harford County2
- Prince George's County2
- City of Baltimore2
- Howard County2
- Allegany County1
- Calvert County1
- Charles County1
- Saint Mary's County1
- Kent County1
- Queen Anne's County1
- Caroline County1
- Carroll County1
- Garrett County1
- Frederick County1
- Anne Arundel County1
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.