Alert archive / Maryland / 2025

Weather alerts in Maryland, August 2025

55 weather alerts in August 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 August 2025. Tap one for its archive.

Alerts
55
Warnings
18
Watches
3
Advisories
23
Busiest day
August 17, 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.

IssuedProductOfficeCountiesLasted
Jul 31, 8:51 PM EDTAreal Flood AdvisoryAKQDorchester, Somerset, Wicomico114 min
Jul 31, 9:35 PM EDTSpecial Weather StatementAKQWorcester40 min
Aug 1, 7:57 PM EDTBeach Hazards StatementAKQWorcester3 days
Aug 2, 3:26 AM EDTDense Fog AdvisoryLWXAllegany, Garrett4 hr
Aug 2, 5:58 AM EDTCoastal Flood AdvisoryAKQDorchester, Somerset, Wicomico21 hr
Aug 2, 6:52 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Calvert23 hr
Aug 2, 8:08 AM EDTCoastal Flood AdvisoryLWXAnne Arundel6 hr
Aug 3, 5:40 AM EDTCoastal Flood AdvisoryLWXAnne Arundel22 hr
Aug 5, 12:32 AM EDTBeach Hazards StatementAKQWorcester27 hr
Aug 6, 3:23 AM EDTBeach Hazards StatementAKQWorcester65 hr
Aug 7, 4:52 AM EDTCoastal Flood StatementAKQDorchester, Somerset, Wicomico27 hr
Aug 7, 1:16 PM EDTCoastal Flood AdvisoryLWXAnne Arundel17 hr
Aug 8, 9:57 PM EDTBeach Hazards StatementAKQWorcester46 hr
Aug 13, 11:57 AM EDTFlood WatchLWXAnne Arundel, Baltimore, Cecil, Harford, Howard, Montgomery and 2 more9 hr
Aug 13, 5:47 PM EDTFlash Flood WarningLWXAnne Arundel, Baltimore, City of Baltimore2 hr
Aug 13, 6:20 PM EDTFlash Flood WarningLWXBaltimore, Harford88 min
Aug 13, 6:49 PM EDTFlash Flood WarningLWXBaltimore, Harford2 hr
Aug 14, 5:02 AM EDTDense Fog AdvisoryLWXAllegany, Garrett4 hr
Aug 14, 3:33 PM EDTSevere Thunderstorm WarningLWXBaltimore, Harford, City of Baltimore27 min
Aug 14, 4:10 PM EDTFlash Flood WarningLWXAnne Arundel, City of Baltimore59 min
Aug 14, 4:14 PM EDTFlash Flood WarningLWXBaltimore, City of Baltimore2 hr
Aug 14, 6:37 PM EDTAreal Flood AdvisoryAKQWicomico, Worcester22 min
Aug 14, 6:59 PM EDTFlash Flood WarningAKQWicomico, Worcester2 hr
Aug 14, 7:26 PM EDTAreal Flood AdvisoryAKQWorcester3 hr
Aug 16, 12:38 PM EDTAreal Flood WarningLWXWashington101 min
Aug 16, 2:26 PM EDTCoastal Flood AdvisoryLWXAnne Arundel14 hr
Aug 17, 4:00 AM EDTCoastal Flood AdvisoryLWXHarford3 hr
Aug 17, 2:10 PM EDTCoastal Flood AdvisoryLWXAnne Arundel14 hr
Aug 17, 3:01 PM EDTSevere Thunderstorm WarningLWXAllegany, Garrett44 min
Aug 17, 3:24 PM EDTSevere Thunderstorm WarningLWXAllegany, Garrett36 min
Aug 17, 3:25 PM EDTMesoscale DiscussionSPCAllegany, Anne Arundel, Baltimore, Carroll, Cecil, Frederick and 9 more2 hr
Aug 17, 3:41 PM EDTBeach Hazards StatementAKQWorcester28 hr
Aug 17, 5:23 PM EDTSevere Thunderstorm WarningLWXCecil, Harford37 min
Aug 17, 5:55 PM EDTSevere Thunderstorm WarningLWXCecil, Harford50 min
Aug 17, 6:13 PM EDTSevere Thunderstorm WarningLWXFrederick, Howard, Montgomery47 min
Aug 17, 6:28 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 8 more62 min
Aug 17, 8:48 PM EDTSpecial Weather StatementAKQDorchester42 min
Aug 18, 9:07 PM EDTBeach Hazards StatementAKQWorcester7 days
Aug 19, 2:52 AM EDTHigh Surf AdvisoryAKQWorcester4 days
Aug 19, 1:51 PM EDTCoastal Flood WarningLWXAnne Arundel12 hr
Aug 19, 1:51 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Calvert, Charles, City of Baltimore18 hr
Aug 19, 3:12 PM EDTCoastal Flood WatchAKQDorchester, Somerset, Wicomico, Worcester48 hr
Aug 20, 4:47 AM EDTWind AdvisoryAKQWorcester38 hr
Aug 20, 2:18 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Charles15 hr
Aug 20, 2:54 PM EDTCoastal Flood WarningAKQDorchester, Somerset, Wicomico, Worcester4 days
Aug 20, 2:54 PM EDTCoastal Flood AdvisoryAKQDorchester, Somerset, Wicomico, Worcester45 hr
Aug 20, 4:15 PM EDTCoastal Flood AdvisoryPHICaroline, Queen Anne's, Talbot4 days
Aug 20, 7:00 PM EDTFlash Flood WarningPHICaroline, Queen Anne's2 hr
Aug 21, 9:48 AM EDTCoastal Flood WatchLWXAnne Arundel21 hr
Aug 21, 9:48 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Calvert, Charles, Harford, Saint Mary's and 1 more4 days
Aug 22, 4:52 AM EDTCoastal Flood AdvisoryPHIKent30 hr
Aug 22, 6:22 AM EDTCoastal Flood WarningLWXAnne Arundel39 hr
Aug 22, 6:22 AM EDTCoastal Flood AdvisoryLWXAnne Arundel4 hr
Aug 23, 2:58 AM EDTCoastal Flood AdvisoryAKQDorchester, Somerset, Wicomico52 hr
Aug 24, 10:56 PM EDTSevere Thunderstorm WarningLWXGarrett34 min

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

By county

Every county with at least one alert. A county page lists each alert that covered it.

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.