Alert archive / Maryland / Severe Thunderstorm Warnings / 2017
Severe Thunderstorm Warnings in Maryland, May 2017
38 severe thunderstorm warnings in May 2017. 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 May 2017. Tap one for its archive.
- Severe Thunderstorm Warnings
- 38
- Busiest day
- May 25, 201712 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 |
|---|---|---|---|---|
| May 1, 5:03 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 41 min |
| May 1, 5:25 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 29 min |
| May 5, 7:49 AM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's, Saint Mary's | 56 min |
| May 5, 8:29 AM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's, Saint Mary's | 61 min |
| May 5, 8:35 AM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Montgomery, Prince George's, Saint Mary's | 21 min |
| May 5, 9:00 AM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 45 min |
| May 5, 9:00 AM EDT | Severe Thunderstorm Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 60 min |
| May 5, 9:20 AM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Harford, City of Baltimore | 37 min |
| May 5, 10:00 AM EDT | Severe Thunderstorm Warning | PHI | Caroline, Cecil, Kent, Queen Anne's | 45 min |
| May 5, 6:51 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 39 min |
| May 18, 5:44 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 46 min |
| May 18, 6:00 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 24 min |
| May 18, 7:03 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 42 min |
| May 18, 8:23 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 34 min |
| May 19, 4:21 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 24 min |
| May 19, 4:53 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 37 min |
| May 19, 6:17 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 31 min |
| May 19, 6:31 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery | 33 min |
| May 19, 6:47 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard, Prince George's | 43 min |
| May 19, 6:57 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery, Prince George's | 22 min |
| May 19, 7:21 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 36 min |
| May 19, 8:13 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 32 min |
| May 19, 10:33 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard, City of Baltimore | 42 min |
| May 25, 4:26 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 49 min |
| May 25, 4:55 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 50 min |
| May 25, 5:04 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's, Saint Mary's | 41 min |
| May 25, 5:28 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 17 min |
| May 25, 5:38 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Somerset, Wicomico | 37 min |
| May 25, 5:48 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 42 min |
| May 25, 6:11 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico, Worcester | 49 min |
| May 25, 6:11 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard, Prince George's, City of Baltimore | 49 min |
| May 25, 6:26 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 49 min |
| May 25, 7:02 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 43 min |
| May 25, 7:09 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 51 min |
| May 25, 7:56 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 49 min |
| May 31, 5:12 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 26 min |
| May 31, 5:47 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard, Montgomery, Prince George's | 29 min |
| May 31, 6:34 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 22 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Prince George's County12
- Anne Arundel County10
- Charles County8
- Montgomery County7
- Kent County6
- Queen Anne's County6
- Howard County6
- Saint Mary's County5
- Cecil County5
- Baltimore County5
- City of Baltimore5
- Caroline County4
- Talbot County4
- Garrett County3
- Calvert County3
- Dorchester County2
- Somerset County2
- Wicomico County2
- Allegany County1
- Harford County1
- Carroll County1
- Washington County1
- Worcester County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.