Alert archive / Maryland / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Maryland, 1991
63 severe thunderstorm warnings in 1991. 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 1991. Tap one for its archive.
- Severe Thunderstorm Warnings
- 63
- Busiest month
- July27 severe thunderstorm warnings
- Busiest day
- July 7, 199116 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 |
|---|---|---|---|---|
| Mar 23, 10:15 AM EST | Severe Thunderstorm Warning | LWX | Montgomery | 45 min |
| Mar 23, 10:34 AM EST | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard, City of Baltimore | 56 min |
| Mar 23, 10:34 AM EST | Severe Thunderstorm Warning | LWX | Cecil | 56 min |
| Mar 23, 11:04 AM EST | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard, City of Baltimore | 116 min |
| Mar 23, 11:04 AM EST | Severe Thunderstorm Warning | LWX | Cecil, Harford | 116 min |
| Mar 23, 5:52 PM EST | Severe Thunderstorm Warning | LWX | Somerset | 68 min |
| Mar 23, 6:06 PM EST | Severe Thunderstorm Warning | LWX | Worcester | 69 min |
| Apr 9, 8:14 PM EDT | Severe Thunderstorm Warning | RLX | Garrett | 61 min |
| Apr 9, 8:28 PM EDT | Severe Thunderstorm Warning | RLX | Allegany | 62 min |
| Apr 9, 10:22 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Howard | 2 hr |
| Apr 9, 10:22 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, City of Baltimore | 2 hr |
| Apr 9, 10:22 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Cecil, Harford | 2 hr |
| Apr 24, 1:18 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 57 min |
| Apr 24, 1:18 PM EDT | Severe Thunderstorm Warning | LWX | Queen Anne's, Talbot | 57 min |
| Apr 24, 1:51 PM EDT | Severe Thunderstorm Warning | LWX | City of Baltimore | 24 min |
| Apr 24, 3:03 PM EDT | Severe Thunderstorm Warning | LWX | Caroline, Queen Anne's | 57 min |
| May 6, 2:05 PM EDT | Severe Thunderstorm Warning | RLX | Garrett | 55 min |
| May 6, 2:30 PM EDT | Severe Thunderstorm Warning | RLX | Allegany | 60 min |
| May 6, 2:56 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 49 min |
| May 6, 3:52 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 68 min |
| May 6, 4:17 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 58 min |
| May 6, 4:35 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 40 min |
| May 6, 5:14 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 61 min |
| May 6, 5:14 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 61 min |
| May 6, 5:44 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 46 min |
| May 13, 5:03 PM EDT | Severe Thunderstorm Warning | LWX | Cecil | 117 min |
| May 13, 5:16 PM EDT | Severe Thunderstorm Warning | LWX | Kent | 44 min |
| May 14, 4:24 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert | 36 min |
| Jun 1, 2:08 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 67 min |
| Jul 7, 9:58 AM EDT | Severe Thunderstorm Warning | LWX | Cecil, Harford | 2 hr |
| Jul 7, 9:58 AM EDT | Severe Thunderstorm Warning | LWX | Queen Anne's | 2 hr |
| Jul 7, 9:58 AM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll | 2 hr |
| Jul 7, 1:20 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 55 min |
| Jul 7, 2:10 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery | 65 min |
| Jul 7, 2:30 PM EDT | Severe Thunderstorm Warning | LWX | Cecil, Harford, Kent | 2 hr |
| Jul 7, 2:30 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 2 hr |
| Jul 7, 2:30 PM EDT | Severe Thunderstorm Warning | LWX | Caroline, Dorchester, Queen Anne's | 2 hr |
| Jul 7, 2:30 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Saint Mary's | 2 hr |
| Jul 7, 2:30 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Howard | 2 hr |
| Jul 7, 2:30 PM EDT | Severe Thunderstorm Warning | LWX | Somerset | 2 hr |
| Jul 7, 2:46 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 59 min |
| Jul 7, 3:07 PM EDT | Severe Thunderstorm Warning | LWX | Talbot | 2 hr |
| Jul 7, 3:07 PM EDT | Severe Thunderstorm Warning | LWX | Wicomico, Worcester | 2 hr |
| Jul 7, 7:13 PM EDT | Severe Thunderstorm Warning | RLX | Garrett | 62 min |
| Jul 7, 7:28 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 62 min |
| Jul 7, 8:31 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 59 min |
| Jul 7, 9:45 PM EDT | Severe Thunderstorm Warning | LWX | Caroline | 60 min |
| Jul 8, 1:53 AM EDT | Severe Thunderstorm Warning | RLX | Allegany, Garrett | 67 min |
| Jul 8, 1:40 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 65 min |
| Jul 8, 3:29 PM EDT | Severe Thunderstorm Warning | LWX | Queen Anne's, Talbot | 46 min |
| Jul 8, 3:56 PM EDT | Severe Thunderstorm Warning | LWX | Dorchester | 64 min |
| Jul 8, 4:09 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Saint Mary's | 66 min |
| Jul 8, 5:38 PM EDT | Severe Thunderstorm Warning | LWX | Worcester | 67 min |
| Jul 8, 5:47 PM EDT | Severe Thunderstorm Warning | LWX | Somerset | 58 min |
| Jul 20, 4:33 PM EDT | Severe Thunderstorm Warning | RLX | Allegany | 57 min |
| Jul 26, 6:03 PM EDT | Severe Thunderstorm Warning | LWX | Caroline, Queen Anne's, Talbot | 42 min |
| Aug 19, 7:59 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll | 61 min |
| Aug 20, 6:57 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 48 min |
| Sep 18, 3:08 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 67 min |
| Sep 18, 4:19 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 26 min |
| Sep 18, 5:54 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll | 66 min |
| Sep 18, 6:20 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 55 min |
| Sep 18, 7:03 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 42 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Baltimore County8
- Carroll County8
- Montgomery County6
- Anne Arundel County6
- Cecil County6
- Queen Anne's County6
- Howard County5
- City of Baltimore5
- Harford County5
- Washington County5
- Frederick County5
- Garrett County4
- Allegany County4
- Talbot County4
- Caroline County4
- Prince George's County4
- Somerset County3
- Worcester County3
- Charles County3
- Calvert County3
- Kent County2
- Dorchester County2
- Saint Mary's County2
- Wicomico County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19901992
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.