Alert archive / Maryland / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Maryland, 1989
45 severe thunderstorm warnings in 1989. 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 1989. Tap one for its archive.
- Severe Thunderstorm Warnings
- 45
- Busiest month
- June18 severe thunderstorm warnings
- Busiest day
- November 16, 19898 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 18, 2:22 PM EST | Severe Thunderstorm Warning | LWX | Cecil, Harford | 68 min |
| Mar 18, 4:23 PM EST | Severe Thunderstorm Warning | LWX | Dorchester, Wicomico | 67 min |
| Mar 18, 4:23 PM EST | Severe Thunderstorm Warning | LWX | Somerset, Worcester | 67 min |
| Mar 31, 3:06 PM EST | Severe Thunderstorm Warning | LWX | Prince George's | 69 min |
| Mar 31, 3:06 PM EST | Severe Thunderstorm Warning | LWX | Wicomico | 69 min |
| May 6, 12:44 AM EDT | Severe Thunderstorm Warning | LWX | Kent | 61 min |
| May 6, 12:44 AM EDT | Severe Thunderstorm Warning | LWX | Baltimore | 61 min |
| May 6, 4:06 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 54 min |
| May 6, 4:32 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Howard | 58 min |
| May 6, 5:17 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Saint Mary's | 88 min |
| May 23, 8:16 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 29 min |
| May 23, 8:51 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert | 54 min |
| May 23, 8:51 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 54 min |
| Jun 2, 5:46 PM EDT | Severe Thunderstorm Warning | LWX | Somerset | 59 min |
| Jun 2, 5:46 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 59 min |
| Jun 9, 7:17 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll | 58 min |
| Jun 14, 3:54 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 66 min |
| Jun 14, 4:30 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 60 min |
| Jun 14, 4:38 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Howard | 67 min |
| Jun 14, 4:38 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 67 min |
| Jun 14, 5:35 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Carroll, Howard | 55 min |
| Jun 14, 5:39 PM EDT | Severe Thunderstorm Warning | LWX | Caroline, Dorchester, Talbot | 51 min |
| Jun 15, 6:11 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 64 min |
| Jun 15, 6:13 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 32 min |
| Jun 15, 6:36 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 54 min |
| Jun 16, 4:20 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert | 55 min |
| Jun 25, 6:30 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 50 min |
| Jun 25, 6:30 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 50 min |
| Jun 26, 9:33 PM EDT | Severe Thunderstorm Warning | RLX | Allegany | 57 min |
| Jun 27, 9:38 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 67 min |
| Jun 28, 1:05 AM EDT | Severe Thunderstorm Warning | LWX | Cecil | 40 min |
| Jul 7, 9:16 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 59 min |
| Jul 7, 9:40 PM EDT | Severe Thunderstorm Warning | RLX | Allegany | 65 min |
| Jul 7, 10:13 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 47 min |
| Jul 11, 6:28 PM EDT | Severe Thunderstorm Warning | RLX | Garrett | 62 min |
| Jul 26, 2:37 PM EDT | Severe Thunderstorm Warning | RLX | Allegany | 68 min |
| Sep 16, 6:09 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 66 min |
| Nov 16, 5:19 AM EST | Severe Thunderstorm Warning | LWX | Montgomery | 56 min |
| Nov 16, 6:38 AM EST | Severe Thunderstorm Warning | LWX | Prince George's | 67 min |
| Nov 16, 7:13 AM EST | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 47 min |
| Nov 16, 7:45 AM EST | Severe Thunderstorm Warning | LWX | Montgomery | 60 min |
| Nov 16, 9:47 AM EST | Severe Thunderstorm Warning | LWX | Caroline, Dorchester, Queen Anne's | 88 min |
| Nov 16, 9:47 AM EST | Severe Thunderstorm Warning | LWX | Charles | 88 min |
| Nov 16, 9:47 AM EST | Severe Thunderstorm Warning | LWX | Somerset, Wicomico, Worcester | 88 min |
| Nov 16, 9:47 AM EST | Severe Thunderstorm Warning | LWX | Cecil, Kent | 88 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Prince George's County6
- Anne Arundel County6
- Baltimore County4
- Montgomery County4
- Carroll County4
- Charles County4
- Cecil County3
- Dorchester County3
- Wicomico County3
- Somerset County3
- Howard County3
- Calvert County3
- Allegany County3
- Washington County3
- Harford County2
- Worcester County2
- Kent County2
- Saint Mary's County2
- Caroline County2
- City of Baltimore2
- Talbot County1
- Garrett County1
- Queen Anne's County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19881990
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.