Alert archive / Maryland / 2025
Weather alerts in Maryland, September 2025
56 weather alerts in September 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in September 2025. Tap one for its archive.
- Alerts
- 56
- Warnings
- 8
- Watches
- 3
- Advisories
- 27
- Busiest day
- September 6, 202510 alerts
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 |
|---|---|---|---|---|
| Sep 3, 1:53 PM EDT | Coastal Flood Statement | AKQ | Dorchester, Somerset, Wicomico | 12 hr |
| Sep 3, 2:07 PM EDT | Coastal Flood Watch | LWX | Anne Arundel | 19 hr |
| Sep 3, 2:07 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Harford | 21 hr |
| Sep 4, 9:05 AM EDT | Coastal Flood Warning | LWX | Anne Arundel | 19 hr |
| Sep 4, 9:05 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Harford, City of Baltimore | 26 hr |
| Sep 4, 10:59 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 6 hr |
| Sep 4, 1:41 PM EDT | Mesoscale Discussion | SPC | Charles | 2 hr |
| Sep 4, 3:00 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 30 min |
| Sep 4, 3:09 PM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico | 16 hr |
| Sep 4, 5:39 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 10 more | 96 min |
| Sep 5, 2:42 PM EDT | Coastal Flood Statement | AKQ | Dorchester, Somerset, Wicomico | 12 hr |
| Sep 5, 11:38 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 6 hr |
| Sep 6, 11:56 AM EDT | Mesoscale Discussion | SPC | Cecil | 94 min |
| Sep 6, 1:13 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Harford and 5 more | 7 hr |
| Sep 6, 1:27 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Prince George's, Saint Mary's | 2 hr |
| Sep 6, 2:47 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 28 min |
| Sep 6, 2:55 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 20 min |
| Sep 6, 3:11 PM EDT | Severe Thunderstorm Warning | LWX | Cecil, Harford | 38 min |
| Sep 6, 4:20 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 40 min |
| Sep 6, 5:34 PM EDT | Mesoscale Discussion | SPC | Caroline, Dorchester, Queen Anne's, Talbot | 56 min |
| Sep 6, 6:00 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 32 min |
| Sep 7, 8:15 PM EDT | Frost Advisory | LWX | Garrett | 12 hr |
| Sep 8, 3:57 AM EDT | Beach Hazards Statement | AKQ | Worcester | 40 hr |
| Sep 8, 2:50 PM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 4 days |
| Sep 9, 3:22 PM EDT | Coastal Flood Advisory | LWX | Charles | 4 hr |
| Sep 9, 11:05 PM EDT | Beach Hazards Statement | AKQ | Worcester | 45 hr |
| Sep 10, 8:40 PM EDT | Coastal Flood Advisory | AKQ | Worcester | 17 hr |
| Sep 11, 2:29 AM EDT | Coastal Flood Advisory | AKQ | Worcester | 12 hr |
| Sep 11, 11:15 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Calvert, Charles, Harford | 16 hr |
| Sep 13, 4:07 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 9 hr |
| Sep 14, 3:08 AM EDT | Coastal Flood Advisory | LWX | Harford | 96 min |
| Sep 14, 2:05 PM EDT | Coastal Flood Statement | AKQ | Dorchester, Somerset, Wicomico | 6 hr |
| Sep 15, 2:17 AM EDT | Coastal Flood Advisory | AKQ | Worcester | 44 hr |
| Sep 15, 2:17 AM EDT | High Surf Advisory | AKQ | Worcester | 51 hr |
| Sep 15, 2:36 AM EDT | Wind Advisory | AKQ | Worcester | 42 hr |
| Sep 15, 9:23 PM EDT | Beach Hazards Statement | AKQ | Worcester | 47 hr |
| Sep 16, 5:54 PM EDT | Coastal Flood Advisory | LWX | Charles | 3 hr |
| Sep 17, 12:58 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 3 hr |
| Sep 17, 8:38 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Calvert, Charles | 8 hr |
| Sep 18, 3:37 AM EDT | Dense Fog Advisory | LWX | Allegany, Washington | 4 hr |
| Sep 19, 4:11 AM EDT | Dense Fog Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 6 hr |
| Sep 20, 7:30 PM EDT | Beach Hazards Statement | AKQ | Worcester | 49 hr |
| Sep 21, 12:15 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Charles | 31 hr |
| Sep 21, 2:07 PM EDT | Coastal Flood Statement | AKQ | Dorchester, Somerset, Wicomico | 15 hr |
| Sep 22, 12:33 PM EDT | Coastal Flood Statement | AKQ | Dorchester | 5 hr |
| Sep 22, 8:21 PM EDT | Beach Hazards Statement | AKQ | Worcester | 24 hr |
| Sep 23, 3:01 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 6 hr |
| Sep 24, 1:15 AM EDT | Beach Hazards Statement | AKQ | Worcester | 3 hr |
| Sep 25, 3:22 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Cecil, Frederick, Harford | 113 min |
| Sep 25, 4:47 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 7 hr |
| Sep 25, 6:15 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 30 min |
| Sep 28, 1:45 AM EDT | Dense Fog Advisory | LWX | Allegany, Garrett, Washington | 8 hr |
| Sep 29, 2:07 PM EDT | High Surf Advisory | AKQ | Worcester | 4 days |
| Sep 29, 7:54 PM EDT | Beach Hazards Statement | AKQ | Worcester | 4 days |
| Sep 30, 9:15 AM EDT | Coastal Flood Watch | LWX | Anne Arundel | 23 hr |
| Sep 30, 2:31 PM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 71 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 7 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 6 |
| Cold | |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
| Coast and beach | |
| Coastal Flood Warning | 1 |
| Coastal Flood Watch | 2 |
| Coastal Flood Advisory | 20 |
| High Surf Advisory | 2 |
| Beach Hazards Statement | 7 |
| Coastal Flood Statement | 5 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Anne Arundel County16
- Worcester County16
- Dorchester County11
- Harford County10
- Charles County9
- Somerset County8
- Wicomico County8
- Baltimore County6
- Calvert County5
- Cecil County5
- Queen Anne's County5
- Caroline County4
- Kent County4
- City of Baltimore3
- Talbot County3
- Frederick County2
- Howard County2
- Montgomery County2
- Prince George's County2
- Saint Mary's County2
- Carroll County2
- Garrett County2
- Allegany County2
- Washington County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.