Alert archive / Maryland / Areal Flood Warnings
Areal Flood Warnings in Maryland, 2011
52 areal flood warnings in 2011. 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 areal flood warnings reaches back to 2005.
Areal Flood Warnings by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Areal Flood Warnings
- 52
- Busiest month
- September12 areal flood warnings
- Busiest day
- March 10, 20114 areal flood warnings
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 6, 3:48 PM EST | Areal Flood Warning | LWX | Montgomery, Prince George's | 6 hr |
| Mar 10, 12:37 PM EST | Areal Flood Warning | LWX | Anne Arundel, Baltimore, Harford, Howard, City of Baltimore | 6 hr |
| Mar 10, 4:06 PM EST | Areal Flood Warning | LWX | Anne Arundel, Montgomery, Prince George's | 4 hr |
| Mar 10, 4:36 PM EST | Areal Flood Warning | PHI | Cecil | 37 hr |
| Mar 10, 6:38 PM EST | Areal Flood Warning | LWX | Allegany, Washington | 3 hr |
| Apr 16, 3:29 PM EDT | Areal Flood Warning | LWX | Washington | 7 hr |
| Apr 16, 4:53 PM EDT | Areal Flood Warning | LWX | Frederick, Washington | 5 hr |
| Apr 16, 6:22 PM EDT | Areal Flood Warning | PHI | Cecil | 12 hr |
| Apr 16, 9:48 PM EDT | Areal Flood Warning | LWX | Frederick | 13 hr |
| Apr 16, 11:27 PM EDT | Areal Flood Warning | LWX | Washington | 17 hr |
| Apr 19, 9:45 AM EDT | Areal Flood Warning | LWX | Allegany | 6 hr |
| Apr 19, 10:49 AM EDT | Areal Flood Warning | PBZ | Garrett | 9 hr |
| Apr 19, 12:17 PM EDT | Areal Flood Warning | LWX | Allegany | 12 hr |
| Apr 19, 4:58 PM EDT | Areal Flood Warning | LWX | Allegany | 7 hr |
| Apr 28, 9:58 AM EDT | Areal Flood Warning | LWX | Frederick, Washington | 3 hr |
| Apr 28, 12:15 PM EDT | Areal Flood Warning | LWX | Baltimore, Carroll, Frederick, Harford, Montgomery | 3 hr |
| May 18, 1:46 AM EDT | Areal Flood Warning | LWX | Allegany | 7 hr |
| May 18, 10:57 AM EDT | Areal Flood Warning | LWX | Allegany | 6 hr |
| May 18, 5:35 PM EDT | Areal Flood Warning | LWX | Baltimore, Harford | 3 hr |
| May 18, 7:02 PM EDT | Areal Flood Warning | LWX | Allegany | 14 hr |
| Jul 4, 4:52 PM EDT | Areal Flood Warning | PBZ | Garrett | 71 min |
| Aug 7, 3:47 AM EDT | Areal Flood Warning | PBZ | Garrett | 3 hr |
| Aug 14, 12:16 PM EDT | Areal Flood Warning | PHI | Cecil, Kent | 4 hr |
| Aug 19, 7:11 PM EDT | Areal Flood Warning | PBZ | Garrett | 3 hr |
| Aug 27, 11:41 AM EDT | Areal Flood Warning | AKQ | Dorchester, Somerset, Wicomico, Worcester | 16 hr |
| Aug 27, 2:14 PM EDT | Areal Flood Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 6 hr |
| Aug 27, 6:36 PM EDT | Areal Flood Warning | LWX | Calvert, Saint Mary's | 20 hr |
| Aug 28, 1:58 AM EDT | Areal Flood Warning | LWX | Anne Arundel, Calvert, Charles, Howard, Montgomery, Prince George's and 1 more | 6 hr |
| Aug 28, 3:05 AM EDT | Areal Flood Warning | LWX | Anne Arundel, Baltimore, Harford, Howard, City of Baltimore | 6 hr |
| Aug 28, 7:07 AM EDT | Areal Flood Warning | PHI | Caroline, Queen Anne's, Talbot | 12 hr |
| Aug 28, 8:09 AM EDT | Areal Flood Warning | PHI | Cecil, Kent | 12 hr |
| Sep 6, 5:24 PM EDT | Areal Flood Warning | LWX | Allegany | 12 hr |
| Sep 6, 5:35 PM EDT | Areal Flood Warning | PBZ | Garrett | 12 hr |
| Sep 7, 4:19 PM EDT | Areal Flood Warning | LWX | Anne Arundel, Calvert, Saint Mary's | 6 hr |
| Sep 7, 5:25 PM EDT | Areal Flood Warning | LWX | Anne Arundel, Baltimore, Carroll, Charles, Howard, Prince George's and 1 more | 6 hr |
| Sep 8, 3:55 AM EDT | Areal Flood Warning | LWX | Charles, Montgomery, Prince George's | 14 hr |
| Sep 8, 4:02 AM EDT | Areal Flood Warning | LWX | Anne Arundel, Baltimore, Carroll, Harford, Howard, Montgomery and 2 more | 20 hr |
| Sep 8, 4:35 AM EDT | Areal Flood Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's, Saint Mary's | 40 hr |
| Sep 8, 7:41 PM EDT | Areal Flood Warning | PHI | Caroline | 14 hr |
| Sep 8, 9:50 PM EDT | Areal Flood Warning | LWX | Frederick, Montgomery | 4 hr |
| Sep 9, 1:47 AM EDT | Areal Flood Warning | LWX | Frederick, Montgomery | 8 hr |
| Sep 23, 2:57 PM EDT | Areal Flood Warning | LWX | Carroll, Frederick | 99 min |
| Sep 23, 4:33 PM EDT | Areal Flood Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 5 hr |
| Nov 23, 12:41 AM EST | Areal Flood Warning | LWX | Carroll, Frederick | 3 hr |
| Nov 23, 3:36 AM EST | Areal Flood Warning | LWX | Carroll | 6 hr |
| Nov 23, 3:44 AM EST | Areal Flood Warning | PHI | Cecil | 8 hr |
| Nov 23, 5:47 AM EST | Areal Flood Warning | LWX | Frederick | 3 hr |
| Dec 7, 2:08 PM EST | Areal Flood Warning | LWX | Charles, Montgomery, Prince George's | 14 hr |
| Dec 7, 6:11 PM EST | Areal Flood Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 8 hr |
| Dec 7, 7:39 PM EST | Areal Flood Warning | LWX | Anne Arundel, Charles, Prince George's, Saint Mary's | 6 hr |
| Dec 7, 9:36 PM EST | Areal Flood Warning | LWX | Anne Arundel, Baltimore, Howard, Montgomery, Prince George's, City of Baltimore | 4 hr |
| Dec 8, 4:43 AM EST | Areal Flood Warning | PHI | Cecil | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Montgomery County10
- Prince George's County10
- Anne Arundel County10
- Cecil County9
- Frederick County9
- Allegany County8
- Baltimore County7
- Howard County6
- Carroll County6
- Saint Mary's County6
- Charles County6
- Harford County5
- Washington County5
- Garrett County5
- Kent County5
- Caroline County5
- City of Baltimore4
- Queen Anne's County4
- Talbot County4
- Calvert County4
- Dorchester County1
- Somerset County1
- Wicomico County1
- Worcester County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.