Alert archive / Maryland / Tornado Warnings
Tornado Warnings in Maryland, 2011
57 tornado 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 tornado warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Tornado Warnings
- 57
- Busiest month
- April31 tornado warnings
- Busiest day
- April 28, 201114 tornado 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 10, 6:58 PM EST | Tornado Warning | LWX | Montgomery | 32 min |
| Apr 5, 4:46 AM EDT | Tornado Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's, Saint Mary's | 29 min |
| Apr 5, 4:55 AM EDT | Tornado Warning | LWX | Anne Arundel, Prince George's | 24 min |
| Apr 5, 4:57 AM EDT | Tornado Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 33 min |
| Apr 5, 5:05 AM EDT | Tornado Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's | 14 min |
| Apr 5, 5:22 AM EDT | Tornado Warning | LWX | Calvert, Saint Mary's | 23 min |
| Apr 16, 7:14 PM EDT | Tornado Warning | LWX | Frederick, Montgomery | 31 min |
| Apr 16, 7:46 PM EDT | Tornado Warning | LWX | Carroll, Frederick | 26 min |
| Apr 16, 8:02 PM EDT | Tornado Warning | LWX | Baltimore, Carroll | 28 min |
| Apr 24, 4:03 PM EDT | Tornado Warning | LWX | Montgomery | 27 min |
| Apr 26, 8:52 PM EDT | Tornado Warning | LWX | Allegany | 19 min |
| Apr 27, 5:46 PM EDT | Tornado Warning | LWX | Charles | 29 min |
| Apr 27, 6:08 PM EDT | Tornado Warning | LWX | Charles | 37 min |
| Apr 27, 6:38 PM EDT | Tornado Warning | LWX | Charles, Prince George's | 37 min |
| Apr 27, 7:08 PM EDT | Tornado Warning | LWX | Anne Arundel, Prince George's | 37 min |
| Apr 27, 7:24 PM EDT | Tornado Warning | LWX | Charles, Prince George's | 36 min |
| Apr 27, 7:31 PM EDT | Tornado Warning | LWX | Baltimore, Carroll, Howard | 29 min |
| Apr 27, 7:34 PM EDT | Tornado Warning | LWX | Anne Arundel, Prince George's | 26 min |
| Apr 28, 1:18 AM EDT | Tornado Warning | LWX | Allegany | 27 min |
| Apr 28, 4:24 AM EDT | Tornado Warning | LWX | Carroll, Frederick, Washington | 51 min |
| Apr 28, 5:35 AM EDT | Tornado Warning | LWX | Frederick | 26 min |
| Apr 28, 5:43 AM EDT | Tornado Warning | LWX | Frederick | 18 min |
| Apr 28, 6:37 AM EDT | Tornado Warning | LWX | Frederick, Montgomery | 38 min |
| Apr 28, 7:05 AM EDT | Tornado Warning | LWX | Carroll, Frederick, Howard, Montgomery | 25 min |
| Apr 28, 7:17 AM EDT | Tornado Warning | LWX | Carroll, Frederick | 28 min |
| Apr 28, 7:55 AM EDT | Tornado Warning | LWX | Baltimore, Carroll, Frederick | 27 min |
| Apr 28, 8:12 AM EDT | Tornado Warning | LWX | Carroll, Frederick | 33 min |
| Apr 28, 8:14 AM EDT | Tornado Warning | LWX | Baltimore, Harford | 11 min |
| Apr 28, 8:45 AM EDT | Tornado Warning | LWX | Baltimore, Carroll | 30 min |
| Apr 28, 9:14 AM EDT | Tornado Warning | LWX | Baltimore, Carroll, Frederick, Howard, Montgomery | 31 min |
| Apr 28, 9:49 AM EDT | Tornado Warning | LWX | Baltimore, Harford | 26 min |
| Apr 28, 11:22 AM EDT | Tornado Warning | LWX | Anne Arundel | 14 min |
| May 17, 8:17 PM EDT | Tornado Warning | LWX | Washington | 11 min |
| May 18, 11:23 AM EDT | Tornado Warning | LWX | Allegany, Washington | 22 min |
| May 18, 2:27 PM EDT | Tornado Warning | LWX | Baltimore, Harford | 33 min |
| May 18, 2:39 PM EDT | Tornado Warning | PHI | Queen Anne's, Talbot | 51 min |
| May 18, 2:57 PM EDT | Tornado Warning | LWX | Baltimore, Harford | 33 min |
| May 18, 4:10 PM EDT | Tornado Warning | LWX | Baltimore, Harford | 35 min |
| May 19, 12:43 PM EDT | Tornado Warning | PHI | Kent, Queen Anne's | 32 min |
| May 26, 4:29 PM EDT | Tornado Warning | LWX | Allegany, Washington | 31 min |
| May 26, 4:51 PM EDT | Tornado Warning | LWX | Allegany, Washington | 39 min |
| May 26, 4:55 PM EDT | Tornado Warning | LWX | Allegany | 35 min |
| Jun 12, 3:52 PM EDT | Tornado Warning | LWX | Harford | 23 min |
| Jun 12, 4:13 PM EDT | Tornado Warning | LWX | Harford | 47 min |
| Jun 12, 4:41 PM EDT | Tornado Warning | LWX | Harford | 35 min |
| Jul 11, 9:17 PM EDT | Tornado Warning | LWX | Harford | 19 min |
| Aug 21, 2:01 PM EDT | Tornado Warning | LWX | Anne Arundel | 29 min |
| Aug 21, 2:19 PM EDT | Tornado Warning | LWX | Baltimore | 26 min |
| Aug 25, 5:59 PM EDT | Tornado Warning | LWX | Calvert, Saint Mary's | 31 min |
| Aug 27, 8:49 PM EDT | Tornado Warning | PHI | Kent, Queen Anne's | 26 min |
| Sep 7, 7:23 PM EDT | Tornado Warning | LWX | Saint Mary's | 37 min |
| Sep 7, 7:50 PM EDT | Tornado Warning | LWX | Calvert, Saint Mary's | 25 min |
| Sep 7, 9:22 PM EDT | Tornado Warning | LWX | Charles, Saint Mary's | 23 min |
| Sep 7, 9:46 PM EDT | Tornado Warning | LWX | Charles, Prince George's, Saint Mary's | 29 min |
| Sep 7, 11:47 PM EDT | Tornado Warning | LWX | Anne Arundel, Calvert | 28 min |
| Sep 8, 12:13 AM EDT | Tornado Warning | LWX | Anne Arundel | 16 min |
| Sep 8, 5:15 PM EDT | Tornado Warning | LWX | Charles, Saint Mary's | 30 min |
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.
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. Rebuilt daily.