Alert archive / Maryland / Severe Thunderstorm Warnings / 2009
Severe Thunderstorm Warnings in Maryland, June 2009
78 severe thunderstorm warnings in June 2009. 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 June 2009. Tap one for its archive.
- Severe Thunderstorm Warnings
- 78
- Busiest day
- June 9, 200927 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 |
|---|---|---|---|---|
| Jun 2, 4:40 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 50 min |
| Jun 2, 4:59 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 51 min |
| Jun 2, 5:30 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 56 min |
| Jun 2, 6:08 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Saint Mary's | 67 min |
| Jun 2, 6:40 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 65 min |
| Jun 2, 7:00 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 30 min |
| Jun 2, 7:16 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Somerset | 59 min |
| Jun 2, 9:07 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 38 min |
| Jun 2, 9:37 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 29 min |
| Jun 3, 5:46 PM EDT | Severe Thunderstorm Warning | AKQ | Wicomico, Worcester | 44 min |
| Jun 3, 6:01 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico | 44 min |
| Jun 3, 6:05 PM EDT | Severe Thunderstorm Warning | AKQ | Wicomico | 40 min |
| Jun 3, 6:19 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 41 min |
| Jun 3, 6:21 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 54 min |
| Jun 3, 6:44 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 46 min |
| Jun 3, 7:18 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Montgomery, Prince George's | 42 min |
| Jun 9, 5:47 AM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 28 min |
| Jun 9, 6:02 AM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 43 min |
| Jun 9, 6:51 AM EDT | Severe Thunderstorm Warning | LWX | Charles | 39 min |
| Jun 9, 8:24 AM EDT | Severe Thunderstorm Warning | AKQ | Wicomico | 39 min |
| Jun 9, 1:14 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 61 min |
| Jun 9, 2:03 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 57 min |
| Jun 9, 2:28 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 47 min |
| Jun 9, 2:44 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 46 min |
| Jun 9, 2:52 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 38 min |
| Jun 9, 3:04 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 41 min |
| Jun 9, 3:05 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 28 min |
| Jun 9, 3:09 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 51 min |
| Jun 9, 3:29 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 61 min |
| Jun 9, 3:43 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 47 min |
| Jun 9, 3:51 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick, Washington | 39 min |
| Jun 9, 4:19 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 56 min |
| Jun 9, 4:26 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick, Harford, Howard, Montgomery and 2 more | 49 min |
| Jun 9, 4:39 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 39 min |
| Jun 9, 4:52 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 53 min |
| Jun 9, 4:59 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Harford, Howard, Montgomery, Prince George's and 1 more | 61 min |
| Jun 9, 5:13 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Calvert, Charles, Howard, Montgomery and 2 more | 62 min |
| Jun 9, 5:13 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 92 min |
| Jun 9, 5:18 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, Howard, City of Baltimore | 57 min |
| Jun 9, 5:46 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 59 min |
| Jun 9, 6:15 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 60 min |
| Jun 9, 6:17 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Saint Mary's | 43 min |
| Jun 9, 6:45 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 45 min |
| Jun 10, 5:42 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick, Harford | 48 min |
| Jun 10, 6:25 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 50 min |
| Jun 10, 6:33 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick, Howard | 42 min |
| Jun 10, 6:59 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 46 min |
| Jun 11, 5:58 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's, Talbot | 47 min |
| Jun 13, 3:02 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 58 min |
| Jun 13, 4:52 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 53 min |
| Jun 15, 2:52 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 37 min |
| Jun 17, 9:00 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 60 min |
| Jun 17, 9:22 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 53 min |
| Jun 17, 10:17 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 58 min |
| Jun 17, 11:27 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 38 min |
| Jun 18, 12:06 AM EDT | Severe Thunderstorm Warning | LWX | Allegany | 39 min |
| Jun 18, 2:56 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 49 min |
| Jun 18, 3:46 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 59 min |
| Jun 20, 3:24 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 53 min |
| Jun 20, 3:57 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's, Talbot | 66 min |
| Jun 20, 4:23 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 37 min |
| Jun 20, 4:27 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 53 min |
| Jun 20, 5:01 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 59 min |
| Jun 20, 7:05 PM EDT | Severe Thunderstorm Warning | AKQ | Worcester | 25 min |
| Jun 26, 3:30 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 45 min |
| Jun 26, 4:15 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Howard, Montgomery | 45 min |
| Jun 26, 5:01 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery | 35 min |
| Jun 26, 5:02 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 43 min |
| Jun 26, 6:01 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery | 44 min |
| Jun 26, 6:13 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 36 min |
| Jun 26, 6:35 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 40 min |
| Jun 26, 7:15 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 45 min |
| Jun 26, 7:50 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's | 40 min |
| Jun 26, 8:40 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 37 min |
| Jun 26, 8:42 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 14 min |
| Jun 26, 9:10 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 24 min |
| Jun 26, 9:11 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 49 min |
| Jun 30, 2:31 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 44 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Charles County17
- Montgomery County13
- Saint Mary's County11
- Prince George's County11
- Frederick County10
- Baltimore County8
- Calvert County7
- Kent County7
- Queen Anne's County7
- Garrett County7
- Washington County7
- Cecil County7
- Harford County7
- Anne Arundel County6
- Howard County6
- Allegany County5
- Carroll County5
- Wicomico County4
- City of Baltimore4
- Talbot County4
- Dorchester County3
- Somerset County2
- Worcester County2
- Caroline County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.