Alert archive / Maryland / Severe Thunderstorm Warnings / 2019
Severe Thunderstorm Warnings in Maryland, August 2019
98 severe thunderstorm warnings in August 2019. 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 2019. Tap one for its archive.
- Severe Thunderstorm Warnings
- 98
- Busiest day
- August 7, 201922 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 1, 1:38 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 37 min |
| Aug 1, 2:09 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 51 min |
| Aug 1, 2:29 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 46 min |
| Aug 1, 2:51 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 24 min |
| Aug 1, 3:14 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 46 min |
| Aug 1, 4:00 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 45 min |
| Aug 1, 4:02 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 45 min |
| Aug 1, 4:06 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 54 min |
| Aug 1, 4:41 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 21 min |
| Aug 1, 4:47 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 23 min |
| Aug 1, 4:56 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's | 50 min |
| Aug 1, 5:44 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Wicomico | 46 min |
| Aug 1, 6:01 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 44 min |
| Aug 1, 6:40 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 36 min |
| Aug 4, 3:16 PM EDT | Severe Thunderstorm Warning | AKQ | Worcester | 44 min |
| Aug 5, 1:57 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's | 26 min |
| Aug 5, 5:40 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Howard, City of Baltimore | 34 min |
| Aug 6, 5:26 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 49 min |
| Aug 6, 6:08 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 52 min |
| Aug 6, 6:21 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 39 min |
| Aug 6, 6:36 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 39 min |
| Aug 6, 6:52 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 23 min |
| Aug 6, 6:56 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 49 min |
| Aug 6, 7:22 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 53 min |
| Aug 6, 7:42 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 33 min |
| Aug 6, 7:57 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Montgomery, Prince George's | 48 min |
| Aug 6, 8:16 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 22 min |
| Aug 7, 1:12 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 48 min |
| Aug 7, 1:42 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Howard, Montgomery | 48 min |
| Aug 7, 1:53 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 52 min |
| Aug 7, 1:57 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery | 48 min |
| Aug 7, 2:01 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Howard, Montgomery | 44 min |
| Aug 7, 2:18 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Howard | 42 min |
| Aug 7, 2:37 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 24 min |
| Aug 7, 2:41 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 38 min |
| Aug 7, 2:45 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 45 min |
| Aug 7, 3:14 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 46 min |
| Aug 7, 3:44 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 46 min |
| Aug 7, 3:52 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard, Montgomery, Prince George's | 38 min |
| Aug 7, 4:07 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 53 min |
| Aug 7, 4:10 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 50 min |
| Aug 7, 4:12 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 48 min |
| Aug 7, 4:30 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 45 min |
| Aug 7, 4:34 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 41 min |
| Aug 7, 4:57 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 63 min |
| Aug 7, 5:33 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 42 min |
| Aug 7, 5:53 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 52 min |
| Aug 7, 6:39 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 51 min |
| Aug 9, 4:41 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Somerset, Wicomico | 34 min |
| Aug 9, 5:11 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico, Worcester | 49 min |
| Aug 15, 6:36 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 39 min |
| Aug 17, 2:08 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 52 min |
| Aug 17, 3:14 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, City of Baltimore | 46 min |
| Aug 17, 3:46 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 44 min |
| Aug 17, 4:01 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 32 min |
| Aug 17, 4:13 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 47 min |
| Aug 18, 2:12 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 48 min |
| Aug 18, 3:00 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 45 min |
| Aug 18, 3:02 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard | 27 min |
| Aug 18, 8:23 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery, Washington | 52 min |
| Aug 18, 9:12 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Howard, Montgomery | 35 min |
| Aug 18, 10:22 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 53 min |
| Aug 18, 10:40 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 25 min |
| Aug 19, 2:18 PM EDT | Severe Thunderstorm Warning | AKQ | Worcester | 28 min |
| Aug 19, 4:46 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 46 min |
| Aug 19, 6:42 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 51 min |
| Aug 19, 10:34 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 41 min |
| Aug 19, 10:47 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 43 min |
| Aug 19, 11:06 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 15 min |
| Aug 20, 2:12 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Wicomico | 48 min |
| Aug 20, 3:11 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 34 min |
| Aug 20, 3:17 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 43 min |
| Aug 20, 4:00 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 21 min |
| Aug 20, 4:34 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 41 min |
| Aug 20, 4:45 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 45 min |
| Aug 20, 4:49 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 41 min |
| Aug 20, 4:56 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 23 min |
| Aug 20, 5:00 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 34 min |
| Aug 20, 5:16 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 44 min |
| Aug 20, 5:28 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 30 min |
| Aug 20, 5:46 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 44 min |
| Aug 20, 5:56 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard | 17 min |
| Aug 20, 6:21 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 39 min |
| Aug 21, 6:13 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 47 min |
| Aug 21, 6:45 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 21 min |
| Aug 22, 5:52 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 38 min |
| Aug 22, 6:25 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 50 min |
| Aug 22, 6:38 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 52 min |
| Aug 22, 6:49 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Howard, Montgomery | 41 min |
| Aug 22, 7:11 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Harford | 49 min |
| Aug 22, 7:27 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick | 48 min |
| Aug 22, 7:57 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 63 min |
| Aug 22, 8:23 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard, Montgomery, Prince George's | 52 min |
| Aug 22, 8:54 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 66 min |
| Aug 22, 9:10 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 32 min |
| Aug 22, 9:21 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 54 min |
| Aug 22, 10:11 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 64 min |
| Aug 23, 4:26 PM EDT | Severe Thunderstorm Warning | AKQ | Worcester | 38 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Montgomery County22
- Baltimore County19
- Anne Arundel County19
- Prince George's County18
- City of Baltimore12
- Caroline County12
- Frederick County12
- Howard County11
- Harford County10
- Queen Anne's County8
- Carroll County8
- Cecil County7
- Kent County7
- Calvert County7
- Charles County7
- Talbot County7
- Saint Mary's County6
- Dorchester County4
- Wicomico County4
- Worcester County4
- Washington County3
- Somerset County2
- Allegany County2
- Garrett County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.