Alert archive / Maryland / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Maryland, 2000
136 severe thunderstorm warnings in 2000. 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 2000. Tap one for its archive.
- Severe Thunderstorm Warnings
- 136
- Busiest month
- May43 severe thunderstorm warnings
- Busiest day
- April 21, 200014 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 |
|---|---|---|---|---|
| Jan 11, 10:26 AM EST | Severe Thunderstorm Warning | LWX | Howard, Montgomery | 49 min |
| Feb 14, 5:30 PM EST | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 45 min |
| Mar 11, 3:41 PM EST | Severe Thunderstorm Warning | LWX | Saint Mary's | 49 min |
| Mar 25, 4:49 PM EST | Severe Thunderstorm Warning | LWX | Charles | 26 min |
| Mar 25, 4:59 PM EST | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 31 min |
| Mar 25, 5:15 PM EST | Severe Thunderstorm Warning | LWX | Charles | 45 min |
| Apr 21, 12:49 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 31 min |
| Apr 21, 2:10 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 50 min |
| Apr 21, 3:03 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 57 min |
| Apr 21, 3:03 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 57 min |
| Apr 21, 4:04 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 41 min |
| Apr 21, 4:16 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery | 59 min |
| Apr 21, 4:39 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 36 min |
| Apr 21, 5:05 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 55 min |
| Apr 21, 5:52 PM EDT | Severe Thunderstorm Warning | AKQ | Worcester | 33 min |
| Apr 21, 6:19 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset | 31 min |
| Apr 21, 6:57 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset | 28 min |
| Apr 21, 7:11 PM EDT | Severe Thunderstorm Warning | AKQ | Wicomico | 29 min |
| Apr 21, 7:15 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 30 min |
| Apr 21, 7:26 PM EDT | Severe Thunderstorm Warning | AKQ | Worcester | 44 min |
| Apr 21, 8:12 PM EDT | Severe Thunderstorm Warning | AKQ | Worcester | 33 min |
| May 10, 11:05 AM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 55 min |
| May 10, 1:56 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 49 min |
| May 10, 2:40 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 50 min |
| May 10, 3:20 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 40 min |
| May 10, 3:54 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll | 51 min |
| May 10, 4:11 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery | 49 min |
| May 10, 4:31 PM EDT | Severe Thunderstorm Warning | LWX | Howard | 44 min |
| May 10, 4:43 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Howard, Montgomery | 47 min |
| May 10, 4:43 PM EDT | Severe Thunderstorm Warning | LWX | City of Baltimore | 47 min |
| May 10, 5:33 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 27 min |
| May 10, 5:59 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 46 min |
| May 10, 6:11 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 49 min |
| May 10, 6:33 PM EDT | Severe Thunderstorm Warning | LWX | Calvert | 42 min |
| May 10, 6:51 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 39 min |
| May 13, 8:29 AM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 51 min |
| May 13, 2:55 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery | 50 min |
| May 13, 4:40 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 35 min |
| May 13, 5:13 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 47 min |
| May 13, 5:40 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 65 min |
| May 13, 5:41 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 49 min |
| May 13, 6:16 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 29 min |
| May 13, 6:39 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 66 min |
| May 13, 6:42 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 33 min |
| May 13, 6:56 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Howard, City of Baltimore | 34 min |
| May 13, 7:17 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 43 min |
| May 13, 7:35 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 40 min |
| May 13, 7:35 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 40 min |
| May 13, 7:47 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 43 min |
| May 13, 8:02 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 58 min |
| May 13, 8:02 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 58 min |
| May 13, 8:25 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 35 min |
| May 13, 9:10 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 35 min |
| May 24, 2:25 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 50 min |
| May 24, 2:58 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Howard | 32 min |
| May 24, 3:26 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard | 49 min |
| May 24, 3:26 PM EDT | Severe Thunderstorm Warning | LWX | City of Baltimore | 49 min |
| May 24, 3:39 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll | 46 min |
| May 24, 4:10 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 30 min |
| May 24, 4:45 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 30 min |
| May 24, 9:39 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 36 min |
| May 24, 10:17 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 28 min |
| May 24, 10:42 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 28 min |
| May 24, 10:49 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 26 min |
| Jun 2, 6:40 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 35 min |
| Jun 2, 6:58 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard | 47 min |
| Jun 2, 7:08 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 52 min |
| Jun 2, 7:08 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 52 min |
| Jun 2, 7:17 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 63 min |
| Jun 2, 7:37 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's | 53 min |
| Jun 2, 7:54 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 36 min |
| Jun 2, 7:59 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 46 min |
| Jun 2, 8:06 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 39 min |
| Jun 2, 8:29 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 31 min |
| Jun 2, 8:36 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Saint Mary's | 39 min |
| Jun 15, 2:17 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 43 min |
| Jun 15, 3:18 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 57 min |
| Jun 15, 4:29 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 46 min |
| Jun 15, 6:12 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 33 min |
| Jun 15, 7:34 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 41 min |
| Jun 15, 8:26 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 49 min |
| Jun 15, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 38 min |
| Jun 15, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 38 min |
| Jun 18, 7:52 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 38 min |
| Jun 18, 8:30 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 30 min |
| Jun 25, 5:57 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 33 min |
| Jun 25, 8:52 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 38 min |
| Jun 25, 9:02 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 58 min |
| Jun 25, 9:48 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore | 42 min |
| Jun 26, 12:56 AM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard, Prince George's | 64 min |
| Jun 26, 1:11 AM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 49 min |
| Jun 26, 3:52 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery | 38 min |
| Jun 26, 4:24 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 51 min |
| Jun 26, 4:30 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 45 min |
| Jun 26, 5:01 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 44 min |
| Jun 26, 6:17 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 43 min |
| Jun 27, 4:35 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 40 min |
| Jun 27, 5:06 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 39 min |
| Jun 27, 6:06 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 39 min |
| Jun 29, 9:00 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 45 min |
| Jul 3, 8:12 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 48 min |
| Jul 10, 5:57 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 48 min |
| Jul 10, 6:20 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 40 min |
| Jul 14, 4:28 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 47 min |
| Jul 14, 5:51 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 69 min |
| Jul 14, 6:36 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 54 min |
| Jul 14, 8:15 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 45 min |
| Jul 14, 8:26 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 34 min |
| Jul 14, 10:06 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 24 min |
| Jul 15, 12:11 AM EDT | Severe Thunderstorm Warning | LWX | Charles | 64 min |
| Jul 15, 12:45 AM EDT | Severe Thunderstorm Warning | PHI | Talbot | 30 min |
| Jul 15, 1:10 AM EDT | Severe Thunderstorm Warning | PHI | Caroline | 35 min |
| Jul 15, 1:17 AM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Wicomico | 43 min |
| Jul 15, 5:34 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 26 min |
| Jul 16, 6:11 AM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 49 min |
| Jul 16, 12:16 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 44 min |
| Jul 16, 1:00 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 45 min |
| Jul 16, 2:26 PM EDT | Severe Thunderstorm Warning | LWX | Calvert | 49 min |
| Jul 16, 4:30 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 60 min |
| Jul 16, 5:35 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 55 min |
| Jul 28, 5:45 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 45 min |
| Jul 28, 7:02 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 58 min |
| Jul 28, 7:22 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 68 min |
| Jul 28, 9:05 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 25 min |
| Aug 4, 3:02 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 58 min |
| Aug 7, 3:20 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Howard, Montgomery | 55 min |
| Aug 7, 4:11 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery | 64 min |
| Aug 7, 5:52 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 68 min |
| Aug 7, 6:31 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert | 59 min |
| Aug 9, 4:24 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 66 min |
| Aug 9, 5:25 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 65 min |
| Aug 9, 5:25 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 65 min |
| Aug 27, 5:30 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 45 min |
| Nov 9, 10:24 PM EST | Severe Thunderstorm Warning | PBZ | Garrett | 66 min |
| Nov 9, 10:32 PM EST | Severe Thunderstorm Warning | LWX | Allegany | 58 min |
| Nov 9, 11:50 PM EST | Severe Thunderstorm Warning | LWX | Washington | 40 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Prince George's County20
- Montgomery County18
- Anne Arundel County17
- Charles County17
- Howard County12
- Talbot County12
- Baltimore County12
- Calvert County10
- Washington County9
- Saint Mary's County8
- Frederick County8
- City of Baltimore7
- Queen Anne's County6
- Carroll County6
- Cecil County5
- Garrett County5
- Caroline County5
- Dorchester County4
- Harford County4
- Kent County4
- Worcester County3
- Somerset County2
- Wicomico County2
- Allegany County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19992001
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.