Alert archive / Maryland / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Maryland, 2007
161 severe thunderstorm warnings in 2007. 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in 2007. Tap one for its archive.
- Severe Thunderstorm Warnings
- 161
- Busiest month
- June57 severe thunderstorm warnings
- Busiest day
- July 29, 200716 severe thunderstorm 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 |
|---|---|---|---|---|
| Apr 1, 3:51 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 39 min |
| May 10, 6:14 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 46 min |
| May 10, 6:37 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 38 min |
| May 16, 2:06 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore | 24 min |
| May 16, 2:23 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 17 min |
| May 16, 4:16 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 44 min |
| May 16, 4:26 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 16 min |
| May 16, 4:31 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard, Prince George's | 44 min |
| May 16, 4:38 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 52 min |
| May 16, 4:48 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 27 min |
| May 16, 5:12 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert | 48 min |
| May 16, 5:12 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 48 min |
| May 16, 5:41 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 79 min |
| May 27, 6:08 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 53 min |
| May 27, 6:38 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 67 min |
| May 27, 6:43 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 47 min |
| May 27, 6:55 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 50 min |
| May 27, 7:09 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 51 min |
| May 27, 7:11 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore | 49 min |
| May 27, 7:48 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 42 min |
| May 27, 10:47 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 58 min |
| Jun 4, 6:30 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 60 min |
| Jun 8, 6:03 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 42 min |
| Jun 8, 6:44 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 30 min |
| Jun 8, 7:27 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 48 min |
| Jun 8, 7:57 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 63 min |
| Jun 8, 8:11 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 64 min |
| Jun 8, 8:15 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 14 min |
| Jun 8, 8:37 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 40 min |
| Jun 8, 8:51 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 54 min |
| Jun 8, 9:40 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 31 min |
| Jun 8, 9:50 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 30 min |
| Jun 8, 10:26 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 46 min |
| Jun 8, 10:32 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 43 min |
| Jun 8, 11:27 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Somerset, Wicomico | 63 min |
| Jun 9, 12:04 AM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico, Worcester | 56 min |
| Jun 11, 5:31 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 29 min |
| Jun 11, 6:41 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 49 min |
| Jun 11, 6:44 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Wicomico | 46 min |
| Jun 11, 7:28 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 47 min |
| Jun 12, 2:45 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset | 31 min |
| Jun 12, 4:01 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore | 44 min |
| Jun 12, 4:02 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 43 min |
| Jun 12, 4:24 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 36 min |
| Jun 12, 4:26 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 34 min |
| Jun 12, 4:39 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's | 51 min |
| Jun 12, 4:57 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 48 min |
| Jun 12, 5:12 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 48 min |
| Jun 12, 5:13 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 47 min |
| Jun 12, 6:01 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 44 min |
| Jun 12, 6:26 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 46 min |
| Jun 13, 1:40 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 50 min |
| Jun 13, 2:43 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 29 min |
| Jun 13, 2:44 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 46 min |
| Jun 13, 4:03 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 57 min |
| Jun 13, 4:31 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 74 min |
| Jun 13, 4:58 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Washington | 77 min |
| Jun 13, 5:44 PM EDT | Severe Thunderstorm Warning | LWX | Howard | 61 min |
| Jun 13, 6:19 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 56 min |
| Jun 13, 6:21 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 54 min |
| Jun 13, 6:25 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 65 min |
| Jun 19, 2:58 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 30 min |
| Jun 19, 3:14 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 61 min |
| Jun 19, 3:42 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 32 min |
| Jun 19, 4:25 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 65 min |
| Jun 19, 4:35 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 55 min |
| Jun 21, 4:50 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 40 min |
| Jun 21, 5:03 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 43 min |
| Jun 21, 5:09 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 27 min |
| Jun 21, 5:17 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery | 35 min |
| Jun 21, 5:23 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 33 min |
| Jun 21, 5:31 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 59 min |
| Jun 21, 5:43 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 62 min |
| Jun 21, 5:59 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 61 min |
| Jun 27, 2:13 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 30 min |
| Jun 27, 8:28 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 62 min |
| Jun 27, 9:02 PM EDT | Severe Thunderstorm Warning | AKQ | Wicomico | 43 min |
| Jun 28, 2:49 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 56 min |
| Jul 4, 3:34 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 41 min |
| Jul 4, 3:55 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 50 min |
| Jul 4, 4:29 PM EDT | Severe Thunderstorm Warning | LWX | Howard | 46 min |
| Jul 4, 5:26 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 22 min |
| Jul 4, 5:28 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 19 min |
| Jul 4, 5:51 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 39 min |
| Jul 4, 6:27 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 63 min |
| Jul 4, 6:48 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 42 min |
| Jul 4, 7:27 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 31 min |
| Jul 4, 7:32 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Prince George's | 40 min |
| Jul 4, 7:47 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 51 min |
| Jul 10, 1:25 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 53 min |
| Jul 10, 1:43 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 77 min |
| Jul 10, 2:07 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 47 min |
| Jul 10, 3:09 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 51 min |
| Jul 10, 3:11 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's | 49 min |
| Jul 10, 3:59 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 31 min |
| Jul 10, 4:14 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 34 min |
| Jul 11, 2:14 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 61 min |
| Jul 16, 4:27 PM EDT | Severe Thunderstorm Warning | LWX | Calvert | 27 min |
| Jul 16, 5:26 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore | 37 min |
| Jul 16, 5:35 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 55 min |
| Jul 16, 7:22 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 38 min |
| Jul 16, 8:07 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 38 min |
| Jul 19, 3:07 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 53 min |
| Jul 19, 3:15 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 58 min |
| Jul 19, 3:24 PM EDT | Severe Thunderstorm Warning | LWX | Calvert | 50 min |
| Jul 19, 3:59 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 46 min |
| Jul 19, 4:21 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 38 min |
| Jul 19, 4:26 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico | 49 min |
| Jul 19, 4:57 PM EDT | Severe Thunderstorm Warning | AKQ | Worcester | 51 min |
| Jul 25, 5:40 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 36 min |
| Jul 27, 2:42 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 63 min |
| Jul 27, 6:53 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 67 min |
| Jul 27, 7:53 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 97 min |
| Jul 27, 8:42 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 36 min |
| Jul 28, 9:29 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 46 min |
| Jul 28, 10:11 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 79 min |
| Jul 29, 5:44 AM EDT | Severe Thunderstorm Warning | LWX | Harford | 46 min |
| Jul 29, 6:58 AM EDT | Severe Thunderstorm Warning | PHI | Kent | 62 min |
| Jul 29, 7:45 AM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's | 60 min |
| Jul 29, 1:21 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 54 min |
| Jul 29, 2:24 PM EDT | Severe Thunderstorm Warning | AKQ | Wicomico | 51 min |
| Jul 29, 2:33 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 57 min |
| Jul 29, 3:01 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 44 min |
| Jul 29, 3:05 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico, Worcester | 40 min |
| Jul 29, 3:32 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 58 min |
| Jul 29, 4:01 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Worcester | 59 min |
| Jul 29, 4:29 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 76 min |
| Jul 29, 5:21 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 54 min |
| Jul 29, 6:29 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 76 min |
| Jul 29, 6:41 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 37 min |
| Jul 30, 4:22 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 53 min |
| Aug 3, 3:20 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore | 40 min |
| Aug 3, 4:00 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore | 30 min |
| Aug 5, 3:44 PM EDT | Severe Thunderstorm Warning | AKQ | Wicomico | 46 min |
| Aug 5, 3:56 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 54 min |
| Aug 5, 4:12 PM EDT | Severe Thunderstorm Warning | LWX | Calvert | 33 min |
| Aug 5, 4:55 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 65 min |
| Aug 5, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 52 min |
| Aug 5, 6:06 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 25 min |
| Aug 9, 10:47 AM EDT | Severe Thunderstorm Warning | LWX | Washington | 73 min |
| Aug 9, 11:18 AM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 72 min |
| Aug 9, 3:01 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 44 min |
| Aug 9, 3:16 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 44 min |
| Aug 9, 5:29 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 76 min |
| Aug 9, 6:51 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 44 min |
| Aug 16, 8:59 AM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 46 min |
| Aug 16, 10:27 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 48 min |
| Aug 25, 4:57 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 78 min |
| Aug 25, 5:13 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 68 min |
| Aug 25, 5:36 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 54 min |
| Aug 25, 6:06 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Howard | 54 min |
| Aug 25, 7:00 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 60 min |
| Aug 25, 7:40 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 47 min |
| Aug 25, 8:09 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 51 min |
| Aug 25, 8:28 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 62 min |
| Aug 25, 9:47 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 58 min |
| Aug 25, 10:54 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 51 min |
| Aug 25, 11:54 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 66 min |
| Aug 26, 1:13 AM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 29 min |
| Aug 30, 2:57 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 29 min |
| Sep 27, 3:59 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 46 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Prince George's County18
- Montgomery County16
- Frederick County13
- Washington County11
- Baltimore County11
- Talbot County11
- Anne Arundel County10
- Queen Anne's County10
- Harford County9
- Charles County9
- Carroll County9
- Dorchester County9
- Wicomico County8
- Allegany County7
- Kent County7
- Cecil County6
- Howard County6
- Caroline County6
- Somerset County6
- City of Baltimore5
- Calvert County4
- Worcester County4
- Saint Mary's County4
- Garrett County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20062008
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.