Alert archive / Maryland / Severe Thunderstorm Warnings / 2023
Severe Thunderstorm Warnings in Maryland, August 2023
60 severe thunderstorm warnings in August 2023. 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 August 2023. Tap one for its archive.
- Severe Thunderstorm Warnings
- 60
- Busiest day
- August 7, 202331 severe thunderstorm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Aug 4, 6:51 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 39 min |
| Aug 4, 7:58 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 36 min |
| Aug 7, 12:54 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 51 min |
| Aug 7, 1:14 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 46 min |
| Aug 7, 1:19 PM EDT | Severe Thunderstorm Warning | LWX | Garrett | 56 min |
| Aug 7, 1:35 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 40 min |
| Aug 7, 1:56 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Washington | 49 min |
| Aug 7, 1:58 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Garrett | 62 min |
| Aug 7, 2:11 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Garrett | 20 min |
| Aug 7, 2:13 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 47 min |
| Aug 7, 2:29 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 46 min |
| Aug 7, 2:41 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 34 min |
| Aug 7, 2:55 PM EDT | Severe Thunderstorm Warning | LWX | Garrett | 65 min |
| Aug 7, 2:55 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 23 min |
| Aug 7, 3:07 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 38 min |
| Aug 7, 3:17 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 23 min |
| Aug 7, 3:17 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 58 min |
| Aug 7, 3:34 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Washington | 56 min |
| Aug 7, 3:49 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 41 min |
| Aug 7, 4:25 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick, Howard, Montgomery, Washington | 50 min |
| Aug 7, 4:38 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick, Howard, Montgomery | 37 min |
| Aug 7, 5:06 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Carroll, Cecil, Harford, Howard and 3 more | 39 min |
| Aug 7, 5:11 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Howard, Montgomery, Prince George's | 34 min |
| Aug 7, 5:35 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Cecil, Harford | 55 min |
| Aug 7, 5:37 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 53 min |
| Aug 7, 5:42 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard, Montgomery, Prince George's, City of Baltimore | 48 min |
| Aug 7, 5:43 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Montgomery, Prince George's | 62 min |
| Aug 7, 5:57 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 63 min |
| Aug 7, 6:21 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 69 min |
| Aug 7, 6:58 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 62 min |
| Aug 7, 7:01 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 59 min |
| Aug 7, 7:56 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 49 min |
| Aug 7, 7:59 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 61 min |
| Aug 7, 8:22 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 16 min |
| Aug 7, 8:59 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Somerset, Wicomico | 46 min |
| Aug 7, 9:32 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 14 min |
| Aug 7, 9:42 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico, Worcester | 48 min |
| Aug 7, 10:27 PM EDT | Severe Thunderstorm Warning | AKQ | Wicomico, Worcester | 48 min |
| Aug 7, 10:45 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico, Worcester | 45 min |
| Aug 7, 11:26 PM EDT | Severe Thunderstorm Warning | AKQ | Worcester | 26 min |
| Aug 10, 12:25 PM EDT | Severe Thunderstorm Warning | LWX | Cecil, Harford | 35 min |
| Aug 10, 12:51 PM EDT | Severe Thunderstorm Warning | LWX | Cecil | 39 min |
| Aug 12, 9:49 PM EDT | Severe Thunderstorm Warning | LWX | Garrett | 41 min |
| Aug 12, 10:29 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Garrett | 31 min |
| Aug 14, 3:47 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 43 min |
| Aug 14, 4:02 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 28 min |
| Aug 14, 4:25 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 35 min |
| Aug 14, 4:31 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 28 min |
| Aug 14, 4:47 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard, Montgomery, Prince George's | 43 min |
| Aug 14, 6:13 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset | 47 min |
| Aug 14, 6:23 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 29 min |
| Aug 15, 3:40 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 50 min |
| Aug 15, 4:15 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Somerset, Wicomico | 45 min |
| Aug 15, 4:56 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Wicomico | 32 min |
| Aug 15, 5:00 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 45 min |
| Aug 15, 6:02 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 32 min |
| Aug 17, 11:05 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 25 min |
| Aug 25, 2:58 AM EDT | Severe Thunderstorm Warning | LWX | Garrett | 32 min |
| Aug 25, 6:36 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 24 min |
| Aug 25, 6:59 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 46 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Washington County14
- Montgomery County10
- Frederick County9
- Prince George's County8
- Carroll County7
- Allegany County7
- Garrett County7
- Howard County6
- Kent County6
- Caroline County6
- Dorchester County6
- Wicomico County6
- Baltimore County5
- Somerset County5
- Anne Arundel County4
- Cecil County4
- Calvert County4
- Charles County4
- Queen Anne's County4
- Talbot County4
- Saint Mary's County4
- Worcester County4
- Harford County3
- City of Baltimore2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20222024
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.