Alert archive / Maryland / 2026

Weather alerts in Maryland, March 2026

87 weather alerts in March 2026, 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 March 2026. Tap one for its archive.

Alerts
87
Warnings
43
Watches
7
Advisories
23
Busiest day
March 16, 202625 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
Mar 2, 2:26 AM ESTWinter Weather AdvisoryLWXAllegany, Baltimore, Carroll, Cecil, Frederick, Garrett and 5 more35 hr
Mar 3, 12:36 AM ESTMesoscale DiscussionSPCAllegany, Carroll, Frederick, Garrett, Howard, Montgomery and 1 more6 hr
Mar 3, 5:58 AM ESTMesoscale DiscussionSPCAllegany, Baltimore, Carroll, Cecil, Frederick, Garrett and 5 more5 hr
Mar 3, 4:01 PM ESTDense Fog AdvisoryLWXCecil4 hr
Mar 3, 4:04 PM ESTDense Fog AdvisoryPHICaroline, Kent, Queen Anne's, Talbot6 hr
Mar 3, 4:10 PM ESTDense Fog AdvisoryAKQWorcester4 hr
Mar 4, 8:50 PM ESTDense Fog AdvisoryLWXAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 7 more13 hr
Mar 5, 3:02 AM ESTDense Fog AdvisoryAKQDorchester, Somerset, Wicomico, Worcester7 hr
Mar 6, 3:28 AM ESTDense Fog AdvisoryLWXAllegany, Baltimore, Carroll, Frederick, Howard, Montgomery and 2 more7 hr
Mar 6, 11:10 PM ESTDense Fog AdvisoryLWXAllegany, Garrett11 hr
Mar 7, 2:18 AM ESTDense Fog AdvisoryAKQDorchester, Somerset, Wicomico, Worcester10 hr
Mar 7, 6:00 PM ESTSpecial Weather StatementLWXGarrett45 min
Mar 8, 3:38 AM EDTDense Fog AdvisoryLWXBaltimore, Cecil, Harford, City of Baltimore3 hr
Mar 9, 1:03 AM EDTDense Fog AdvisoryPHICaroline5 hr
Mar 9, 5:12 AM EDTDense Fog AdvisoryAKQDorchester, Somerset, Wicomico, Worcester6 hr
Mar 9, 7:33 PM EDTDense Fog AdvisoryPHICaroline, Kent, Queen Anne's, Talbot10 hr
Mar 11, 1:45 PM EDTTornado WatchSPCAllegany, Baltimore, Carroll, Frederick, Garrett, Harford and 4 more6 hr
Mar 11, 1:50 PM EDTMesoscale DiscussionSPCAllegany, Garrett85 min
Mar 11, 4:34 PM EDTMesoscale DiscussionSPCAllegany, Carroll, Frederick, Garrett, Washington86 min
Mar 11, 6:09 PM EDTSevere Thunderstorm WarningLWXCarroll, Frederick, Washington51 min
Mar 11, 6:40 PM EDTSevere Thunderstorm WarningLWXCarroll, Frederick35 min
Mar 11, 6:40 PM EDTSevere Thunderstorm Warning Considerable damage threatLWXFrederick, Montgomery35 min
Mar 11, 6:44 PM EDTTornado WarningLWXCarroll, Frederick20 min
Mar 11, 6:47 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Caroline, Carroll, Cecil, Frederick and 8 more118 min
Mar 11, 6:56 PM EDTSevere Thunderstorm WarningLWXFrederick, Howard, Montgomery34 min
Mar 11, 7:00 PM EDTTornado WarningLWXCarroll, Howard, Montgomery15 min
Mar 11, 7:03 PM EDTSevere Thunderstorm WatchSPCAnne Arundel, Caroline, Cecil, Kent, Prince George's, Queen Anne's and 1 more3 hr
Mar 11, 7:14 PM EDTSevere Thunderstorm Warning Considerable damage threatLWXAnne Arundel, Baltimore, Carroll, Harford, Howard, Montgomery and 2 more46 min
Mar 11, 7:19 PM EDTTornado WarningLWXBaltimore, City of Baltimore15 min
Mar 11, 7:37 PM EDTSevere Thunderstorm WarningLWXBaltimore, Harford38 min
Mar 11, 7:48 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's42 min
Mar 11, 7:57 PM EDTSevere Thunderstorm WarningLWXCecil33 min
Mar 11, 8:28 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's47 min
Mar 12, 2:40 AM EDTWind AdvisoryLWXAllegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 6 more44 hr
Mar 13, 2:08 AM EDTHigh Wind WarningLWXAllegany, Garrett24 hr
Mar 13, 5:29 PM EDTCoastal Flood AdvisoryLWXHarford4 hr
Mar 15, 12:43 PM EDTWind AdvisoryLWXAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 10 more43 hr
Mar 15, 12:45 PM EDTCoastal Flood WatchLWXAnne Arundel19 hr
Mar 15, 12:47 PM EDTWind AdvisoryPHICaroline, Kent, Queen Anne's, Talbot37 hr
Mar 15, 1:41 PM EDTWind AdvisoryAKQDorchester, Somerset, Wicomico, Worcester35 hr
Mar 16, 2:31 AM EDTWinter Weather AdvisoryLWXAllegany, Garrett38 hr
Mar 16, 8:03 AM EDTCoastal Flood WarningLWXAnne Arundel8 hr
Mar 16, 8:03 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Harford, City of Baltimore16 hr
Mar 16, 10:03 AM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 9 more2 hr
Mar 16, 10:52 AM EDTTornado WatchSPCAnne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 12 more8 hr
Mar 16, 10:57 AM EDTSevere Thunderstorm Warning Considerable damage threatLWXFrederick, Montgomery, Washington48 min
Mar 16, 11:28 AM EDTSevere Thunderstorm Warning Considerable damage threatLWXFrederick, Montgomery17 min
Mar 16, 11:29 AM EDTTornado WarningLWXMontgomery16 min
Mar 16, 11:30 AM EDTTornado WatchSPCCaroline, Kent, Queen Anne's, Talbot6 hr
Mar 16, 11:40 AM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Frederick, Howard, Montgomery, Washington and 1 more50 min
Mar 16, 11:40 AM EDTTornado WarningLWXMontgomery20 min
Mar 16, 11:46 AM EDTTornado WarningLWXCarroll, Frederick14 min
Mar 16, 11:59 AM EDTTornado WarningLWXCarroll, Howard16 min
Mar 16, 12:00 PM EDTTornado WarningLWXCarroll, Frederick15 min
Mar 16, 12:39 PM EDTSevere Thunderstorm WarningLWXMontgomery36 min
Mar 16, 12:49 PM EDTSevere Thunderstorm WarningLWXCharles26 min
Mar 16, 2:11 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Howard, Montgomery, Prince George's34 min
Mar 16, 2:16 PM EDTSevere Thunderstorm WarningLWXCharles, Prince George's, Saint Mary's44 min
Mar 16, 2:35 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Harford, Howard, City of Baltimore40 min
Mar 16, 2:53 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Calvert, Charles, Prince George's, City of Baltimore31 min
Mar 16, 3:14 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 7 more91 min
Mar 16, 3:22 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's40 min
Mar 16, 3:33 PM EDTAreal Flood WarningLWXMontgomery2 hr
Mar 16, 4:09 PM EDTWind AdvisoryLWXBaltimore, Cecil, Harford, City of Baltimore8 hr
Mar 16, 6:13 PM EDTMesoscale DiscussionSPCAllegany, Garrett4 hr
Mar 16, 8:15 PM EDTSevere Thunderstorm WatchSPCAnne Arundel, Calvert, Caroline, Charles, Dorchester, Kent and 7 more4 hr
Mar 16, 8:27 PM EDTSevere Thunderstorm WarningLWXCharles48 min
Mar 16, 8:33 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Carroll, Charles, Frederick, Howard and 2 more42 min
Mar 16, 9:03 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Calvert, Charles, Prince George's, Saint Mary's42 min
Mar 16, 9:04 PM EDTMesoscale DiscussionSPCAnne Arundel, Calvert, Caroline, Charles, Dorchester, Kent and 7 more116 min
Mar 16, 9:12 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Calvert, Charles, Harford, Howard and 2 more33 min
Mar 16, 9:32 PM EDTSevere Thunderstorm Warning Considerable damage threatPHICaroline, Kent, Queen Anne's, Talbot58 min
Mar 16, 9:45 PM EDTSevere Thunderstorm WarningAKQDorchester, Somerset, Wicomico60 min
Mar 16, 9:49 PM EDTTornado WarningLWXCalvert11 min
Mar 16, 10:07 PM EDTSevere Thunderstorm WarningPHIKent53 min
Mar 16, 10:13 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's, Talbot62 min
Mar 16, 10:23 PM EDTTornado WarningPHICaroline, Queen Anne's, Talbot37 min
Mar 16, 10:24 PM EDTSevere Thunderstorm WarningPHICaroline, Talbot62 min
Mar 16, 10:35 PM EDTTornado WarningPHICaroline25 min
Mar 16, 10:36 PM EDTSevere Thunderstorm Warning Considerable damage threatAKQSomerset, Wicomico, Worcester54 min
Mar 16, 10:55 PM EDTMesoscale DiscussionSPCWicomico, Worcester2 hr
Mar 20, 10:47 PM EDTSpecial Weather StatementLWXFrederick28 min
Mar 22, 3:02 PM EDTMesoscale DiscussionSPCAllegany, Garrett, Washington88 min
Mar 22, 3:44 PM EDTSevere Thunderstorm WatchSPCAllegany, Garrett, Washington8 hr
Mar 22, 6:36 PM EDTMesoscale DiscussionSPCAllegany, Carroll, Garrett, Washington114 min
Mar 25, 9:46 AM EDTCoastal Flood AdvisoryLWXAnne Arundel3 hr
Mar 26, 12:36 PM EDTWind AdvisoryLWXGarrett17 hr

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 archive2025

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.