Alert archive / Maryland / 2022

Weather alerts in Maryland, September 2022

75 weather alerts in September 2022, 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 2022. Tap one for its archive.

Alerts
75
Warnings
25
Watches
7
Advisories
21
Busiest day
September 12, 202215 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
Sep 5, 3:39 AM EDTFlood WatchLWXAllegany, Washington17 hr
Sep 5, 9:06 PM EDTFlood WatchLWXAnne Arundel, Baltimore, Carroll, Cecil, Frederick, Harford and 4 more12 hr
Sep 6, 5:37 AM EDTAreal Flood WarningLWXCarroll, Frederick, Howard, Montgomery3 hr
Sep 6, 10:54 AM EDTSpecial Weather StatementAKQWorcester36 min
Sep 6, 8:08 PM EDTBeach Hazards StatementAKQWorcester6 days
Sep 7, 4:45 AM EDTCoastal Flood StatementAKQWorcester17 hr
Sep 7, 9:32 AM EDTFlood WatchLWXFrederick, Washington6 hr
Sep 7, 11:46 AM EDTFlash Flood WarningLWXWashington3 hr
Sep 7, 12:32 PM EDTFlash Flood WarningLWXFrederick, Washington2 hr
Sep 7, 2:33 PM EDTCoastal Flood StatementAKQDorchester, Somerset, Wicomico11 hr
Sep 7, 10:41 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Calvert, Charles, Saint Mary's19 hr
Sep 8, 5:47 AM EDTCoastal Flood WarningAKQDorchester, Somerset, Wicomico48 hr
Sep 8, 5:47 AM EDTCoastal Flood AdvisoryAKQDorchester, Somerset, Wicomico, Worcester49 hr
Sep 8, 12:03 PM EDTCoastal Flood WatchLWXAnne Arundel, Saint Mary's9 hr
Sep 8, 12:03 PM EDTCoastal Flood AdvisoryLWXBaltimore, Harford, City of Baltimore4 days
Sep 8, 8:34 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Calvert, Charles, Saint Mary's, City of Baltimore4 days
Sep 9, 12:08 AM EDTCoastal Flood WarningLWXSaint Mary's5 hr
Sep 9, 12:08 AM EDTCoastal Flood AdvisoryLWXSaint Mary's24 hr
Sep 9, 4:31 AM EDTDense Fog AdvisoryLWXAllegany4 hr
Sep 9, 11:47 AM EDTCoastal Flood AdvisoryLWXHarford24 hr
Sep 10, 12:06 AM EDTCoastal Flood WarningLWXSaint Mary's6 hr
Sep 10, 6:42 AM EDTCoastal Flood AdvisoryAKQDorchester, Somerset, Wicomico24 hr
Sep 11, 6:33 AM EDTCoastal Flood StatementAKQSomerset, Wicomico60 hr
Sep 11, 6:33 AM EDTCoastal Flood AdvisoryAKQDorchester, Somerset, Wicomico60 hr
Sep 11, 4:26 PM EDTAreal Flood AdvisoryAKQSomerset, Wicomico3 hr
Sep 11, 9:04 PM EDTCoastal Flood AdvisoryLWXCharles, Harford14 hr
Sep 12, 2:52 AM EDTFlood WatchLWXAnne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 4 more17 hr
Sep 12, 2:22 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 11 more2 hr
Sep 12, 4:10 PM EDTAreal Flood WarningLWXBaltimore6 hr
Sep 12, 4:28 PM EDTSevere Thunderstorm WarningLWXCharles47 min
Sep 12, 4:52 PM EDTTornado WarningLWXCharles23 min
Sep 12, 5:28 PM EDTAreal Flood WarningLWXBaltimore, Carroll5 hr
Sep 12, 5:41 PM EDTAreal Flood WarningLWXPrince George's3 hr
Sep 12, 5:46 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more119 min
Sep 12, 6:18 PM EDTFlash Flood WarningLWXBaltimore3 hr
Sep 12, 6:28 PM EDTSevere Thunderstorm WarningLWXCharles, Saint Mary's32 min
Sep 12, 6:50 PM EDTSpecial Weather StatementAKQDorchester40 min
Sep 12, 7:35 PM EDTSpecial Weather StatementAKQDorchester40 min
Sep 12, 7:38 PM EDTSpecial Weather StatementPHITalbot37 min
Sep 12, 7:45 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot45 min
Sep 12, 8:12 PM EDTSpecial Weather StatementAKQWicomico48 min
Sep 12, 8:27 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's28 min
Sep 12, 8:38 PM EDTSpecial Weather StatementAKQSomerset52 min
Sep 12, 8:59 PM EDTSpecial Weather StatementAKQWorcester46 min
Sep 12, 9:17 PM EDTAreal Flood AdvisoryAKQSomerset, Worcester118 min
Sep 12, 9:34 PM EDTSpecial Weather StatementAKQWorcester41 min
Sep 12, 10:02 PM EDTSevere Thunderstorm WarningAKQWorcester32 min
Sep 13, 3:48 AM EDTSpecial Weather StatementAKQDorchester42 min
Sep 13, 6:51 AM EDTCoastal Flood StatementAKQSomerset, Wicomico10 hr
Sep 13, 6:37 PM EDTCoastal Flood AdvisoryLWXAnne Arundel3 hr
Sep 21, 8:56 PM EDTHigh Surf AdvisoryAKQWorcester46 hr
Sep 22, 12:34 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Harford, City of Baltimore10 hr
Sep 22, 3:31 PM EDTBeach Hazards StatementAKQWorcester52 hr
Sep 24, 8:59 PM EDTCoastal Flood StatementAKQDorchester7 hr
Sep 25, 3:34 AM EDTCoastal Flood StatementAKQDorchester12 hr
Sep 25, 10:23 AM EDTMesoscale DiscussionSPCAllegany, Carroll, Frederick, Garrett, Howard, Montgomery and 1 more2 hr
Sep 25, 10:58 AM EDTSevere Thunderstorm WarningLWXAllegany, Garrett36 min
Sep 25, 11:20 AM EDTSevere Thunderstorm WarningLWXAllegany40 min
Sep 25, 11:37 AM EDTSevere Thunderstorm WatchSPCAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 9 more6 hr
Sep 25, 1:39 PM EDTSevere Thunderstorm Warning Considerable damage threatLWXFrederick, Montgomery, Washington51 min
Sep 25, 1:53 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Cecil, Harford41 min
Sep 25, 2:35 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 12 more115 min
Sep 25, 4:46 PM EDTSevere Thunderstorm WarningLWXAnne Arundel29 min
Sep 25, 4:55 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's, Talbot35 min
Sep 25, 5:25 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot35 min
Sep 28, 4:26 PM EDTBeach Hazards StatementAKQWorcester7 days
Sep 29, 4:18 AM EDTHigh Surf AdvisoryAKQWorcester54 hr
Sep 29, 2:46 PM EDTCoastal Flood WatchLWXSaint Mary's13 hr
Sep 29, 3:41 PM EDTCoastal Flood WarningAKQDorchester, Somerset, Wicomico55 hr
Sep 29, 3:41 PM EDTCoastal Flood AdvisoryAKQDorchester, Somerset, Wicomico52 hr
Sep 29, 3:41 PM EDTWind AdvisoryAKQWorcester36 hr
Sep 30, 4:03 AM EDTCoastal Flood WarningLWXAnne Arundel, Saint Mary's46 hr
Sep 30, 4:03 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Calvert, Charles, City of Baltimore47 hr
Sep 30, 10:00 AM EDTWind AdvisoryLWXCalvert, Saint Mary's24 hr
Sep 30, 3:55 PM EDTCoastal Flood AdvisoryPHICaroline, Kent, Queen Anne's, Talbot4 days

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 archive20212023

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.