Alert archive / Maryland / 2023

Weather alerts in Maryland, August 2023

137 weather alerts in August 2023, 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 2023. Tap one for its archive.

Alerts
137
Warnings
76
Watches
8
Advisories
17
Busiest day
August 7, 202347 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
Aug 1, 12:25 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Saint Mary's8 hr
Aug 3, 2:25 PM EDTCoastal Flood StatementAKQDorchester, Somerset, Wicomico18 hr
Aug 3, 9:22 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Saint Mary's15 hr
Aug 4, 2:39 PM EDTCoastal Flood StatementAKQDorchester13 hr
Aug 4, 3:38 PM EDTCoastal Flood AdvisoryLWXSaint Mary's15 hr
Aug 4, 6:51 PM EDTSevere Thunderstorm WarningLWXCarroll, Frederick39 min
Aug 4, 7:58 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington36 min
Aug 5, 5:42 AM EDTDense Fog AdvisoryLWXBaltimore, Carroll, Frederick, Washington3 hr
Aug 6, 2:39 PM EDTFlood WatchLWXAnne Arundel, Baltimore, Harford, Howard, Montgomery, Prince George's and 1 more9 hr
Aug 6, 8:52 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Harford15 hr
Aug 7, 3:02 AM EDTCoastal Flood AdvisoryLWXHarford14 hr
Aug 7, 3:02 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Harford, Saint Mary's28 hr
Aug 7, 8:18 AM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Carroll, Charles, Frederick, Harford and 5 more117 min
Aug 7, 12:14 PM EDTMesoscale DiscussionSPCAllegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 5 more2 hr
Aug 7, 12:54 PM EDTSevere Thunderstorm WarningLWXAllegany, Washington51 min
Aug 7, 1:14 PM EDTSevere Thunderstorm WarningLWXWashington46 min
Aug 7, 1:19 PM EDTSevere Thunderstorm WarningLWXGarrett56 min
Aug 7, 1:20 PM EDTTornado WatchSPCAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 14 more11 hr
Aug 7, 1:26 PM EDTTornado WarningLWXGarrett34 min
Aug 7, 1:35 PM EDTSevere Thunderstorm WarningLWXWashington40 min
Aug 7, 1:56 PM EDTSevere Thunderstorm Warning Considerable damage threatLWXCarroll, Frederick, Washington49 min
Aug 7, 1:58 PM EDTSevere Thunderstorm Warning Considerable damage threatLWXAllegany, Garrett62 min
Aug 7, 2:11 PM EDTSevere Thunderstorm Warning Destructive damage threatLWXAllegany, Garrett20 min
Aug 7, 2:13 PM EDTSevere Thunderstorm WarningLWXWashington47 min
Aug 7, 2:29 PM EDTSevere Thunderstorm Warning Considerable damage threatLWXAllegany, Washington46 min
Aug 7, 2:31 PM EDTMesoscale DiscussionSPCCaroline, Cecil, Wicomico, Worcester59 min
Aug 7, 2:41 PM EDTSevere Thunderstorm Warning Destructive damage threatLWXAllegany34 min
Aug 7, 2:55 PM EDTSevere Thunderstorm WarningLWXGarrett65 min
Aug 7, 2:55 PM EDTSevere Thunderstorm WarningLWXWashington23 min
Aug 7, 3:07 PM EDTSevere Thunderstorm Warning Considerable damage threatLWXFrederick, Washington38 min
Aug 7, 3:13 PM EDTTornado WatchSPCCaroline, Kent, Queen Anne's, Talbot8 hr
Aug 7, 3:17 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington23 min
Aug 7, 3:17 PM EDTSevere Thunderstorm WarningLWXAllegany, Washington58 min
Aug 7, 3:17 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 7 more88 min
Aug 7, 3:34 PM EDTSevere Thunderstorm Warning Considerable damage threatLWXCarroll, Frederick, Washington56 min
Aug 7, 3:49 PM EDTSevere Thunderstorm Warning Considerable damage threatLWXFrederick, Washington41 min
Aug 7, 4:25 PM EDTSevere Thunderstorm Warning Considerable damage threatLWXBaltimore, Carroll, Frederick, Howard, Montgomery, Washington50 min
Aug 7, 4:38 PM EDTSevere Thunderstorm Warning Destructive damage threatLWXBaltimore, Carroll, Frederick, Howard, Montgomery37 min
Aug 7, 4:40 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Carroll, Charles, Frederick, Howard and 4 more95 min
Aug 7, 4:52 PM EDTTornado WarningLWXCarroll8 min
Aug 7, 5:01 PM EDTMesoscale DiscussionSPCCaroline, Cecil89 min
Aug 7, 5:06 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Carroll, Cecil, Harford, Howard and 3 more39 min
Aug 7, 5:11 PM EDTSevere Thunderstorm WarningLWXCarroll, Howard, Montgomery, Prince George's34 min
Aug 7, 5:35 PM EDTSevere Thunderstorm WarningLWXBaltimore, Cecil, Harford55 min
Aug 7, 5:37 PM EDTSevere Thunderstorm Warning Considerable damage threatPHIKent53 min
Aug 7, 5:42 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Howard, Montgomery, Prince George's, City of Baltimore48 min
Aug 7, 5:43 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Calvert, Charles, Montgomery, Prince George's62 min
Aug 7, 5:57 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's, Talbot63 min
Aug 7, 6:12 PM EDTFlash Flood WarningLWXBaltimore, City of Baltimore75 min
Aug 7, 6:21 PM EDTSevere Thunderstorm Warning Considerable damage threatPHIKent69 min
Aug 7, 6:52 PM EDTAreal Flood AdvisoryPHICaroline, Kent, Queen Anne's, Talbot95 min
Aug 7, 6:58 PM EDTSevere Thunderstorm Warning Considerable damage threatPHICaroline, Kent, Queen Anne's, Talbot62 min
Aug 7, 7:01 PM EDTSevere Thunderstorm WarningAKQDorchester59 min
Aug 7, 7:27 PM EDTAreal Flood WarningLWXBaltimore, City of Baltimore45 min
Aug 7, 7:56 PM EDTSevere Thunderstorm WarningPHICaroline, Talbot49 min
Aug 7, 7:59 PM EDTSevere Thunderstorm WarningAKQDorchester61 min
Aug 7, 8:22 PM EDTSevere Thunderstorm WarningLWXSaint Mary's16 min
Aug 7, 8:53 PM EDTFlash Flood WarningAKQDorchester3 hr
Aug 7, 8:59 PM EDTSevere Thunderstorm WarningAKQDorchester, Somerset, Wicomico46 min
Aug 7, 9:21 PM EDTFlash Flood Warning EmergencyCatastrophic damage threatAKQDorchester3 hr
Aug 7, 9:32 PM EDTSevere Thunderstorm WarningLWXCalvert, Charles, Prince George's, Saint Mary's14 min
Aug 7, 9:42 PM EDTSevere Thunderstorm WarningAKQSomerset, Wicomico, Worcester48 min
Aug 7, 9:58 PM EDTFlash Flood WarningAKQWicomico3 hr
Aug 7, 10:06 PM EDTSpecial Weather StatementAKQWicomico39 min
Aug 7, 10:17 PM EDTTornado WarningAKQSomerset, Wicomico, Worcester28 min
Aug 7, 10:27 PM EDTSevere Thunderstorm WarningAKQWicomico, Worcester48 min
Aug 7, 10:44 PM EDTTornado WarningAKQWorcester31 min
Aug 7, 10:45 PM EDTSevere Thunderstorm WarningAKQSomerset, Wicomico, Worcester45 min
Aug 7, 11:22 PM EDTSpecial Weather StatementAKQWorcester23 min
Aug 7, 11:26 PM EDTSevere Thunderstorm WarningAKQWorcester26 min
Aug 7, 11:37 PM EDTFlash Flood WarningLWXMontgomery, Prince George's3 hr
Aug 8, 12:12 AM EDTAreal Flood WarningAKQDorchester6 hr
Aug 10, 12:25 PM EDTSevere Thunderstorm WarningLWXCecil, Harford35 min
Aug 10, 12:39 PM EDTSpecial Weather StatementAKQWicomico, Worcester51 min
Aug 10, 12:51 PM EDTSevere Thunderstorm WarningLWXCecil39 min
Aug 12, 7:31 PM EDTMesoscale DiscussionSPCAllegany, Garrett89 min
Aug 12, 8:06 PM EDTSevere Thunderstorm WatchSPCAllegany, Garrett, Washington4 hr
Aug 12, 9:28 PM EDTSpecial Weather StatementCTPGarrett32 min
Aug 12, 9:49 PM EDTSevere Thunderstorm WarningLWXGarrett41 min
Aug 12, 10:12 PM EDTMesoscale DiscussionSPCAllegany, Garrett, Washington93 min
Aug 12, 10:29 PM EDTSevere Thunderstorm Warning Considerable damage threatLWXAllegany, Garrett31 min
Aug 14, 1:55 PM EDTFlood WatchLWXAnne Arundel, Baltimore, Cecil, Harford, Howard, Montgomery and 2 more9 hr
Aug 14, 1:55 PM EDTMesoscale DiscussionSPCCharles2 hr
Aug 14, 3:47 PM EDTSevere Thunderstorm WarningLWXCalvert, Saint Mary's43 min
Aug 14, 4:02 PM EDTSevere Thunderstorm WarningLWXCharles, Prince George's28 min
Aug 14, 4:05 PM EDTTornado WarningLWXCharles25 min
Aug 14, 4:14 PM EDTFlash Flood WarningLWXPrince George's3 hr
Aug 14, 4:25 PM EDTSevere Thunderstorm WarningLWXMontgomery, Prince George's35 min
Aug 14, 4:31 PM EDTSevere Thunderstorm WarningLWXCalvert, Saint Mary's28 min
Aug 14, 4:40 PM EDTSpecial Weather StatementAKQDorchester65 min
Aug 14, 4:40 PM EDTFlash Flood WarningLWXMontgomery, Prince George's2 hr
Aug 14, 4:47 PM EDTFlash Flood WarningLWXSaint Mary's2 hr
Aug 14, 4:47 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Howard, Montgomery, Prince George's43 min
Aug 14, 5:16 PM EDTSpecial Weather StatementPHITalbot44 min
Aug 14, 5:20 PM EDTSpecial Weather StatementAKQDorchester40 min
Aug 14, 5:49 PM EDTSpecial Weather StatementPHIKent, Queen Anne's26 min
Aug 14, 5:55 PM EDTSpecial Weather StatementPHICaroline35 min
Aug 14, 6:10 PM EDTSpecial Weather StatementPHICaroline, Kent, Queen Anne's35 min
Aug 14, 6:13 PM EDTSevere Thunderstorm WarningAKQSomerset47 min
Aug 14, 6:23 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's, Talbot29 min
Aug 14, 6:45 PM EDTSpecial Weather StatementAKQWicomico45 min
Aug 14, 7:09 PM EDTAreal Flood WarningLWXSaint Mary's2 hr
Aug 14, 8:04 PM EDTSpecial Weather StatementPHICaroline26 min
Aug 14, 8:52 PM EDTSpecial Weather StatementAKQWorcester38 min
Aug 15, 12:29 PM EDTFlood WatchLWXAnne Arundel, Baltimore, Howard, Montgomery, Prince George's, City of Baltimore6 hr
Aug 15, 1:28 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 13 more3 hr
Aug 15, 2:08 PM EDTSevere Thunderstorm WatchSPCAnne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 13 more6 hr
Aug 15, 3:40 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's50 min
Aug 15, 3:51 PM EDTSpecial Weather StatementAKQSomerset39 min
Aug 15, 4:15 PM EDTSevere Thunderstorm WarningAKQDorchester, Somerset, Wicomico45 min
Aug 15, 4:56 PM EDTSevere Thunderstorm WarningAKQDorchester, Wicomico32 min
Aug 15, 5:00 PM EDTSevere Thunderstorm WarningPHICaroline45 min
Aug 15, 5:56 PM EDTSpecial Weather StatementAKQDorchester34 min
Aug 15, 5:56 PM EDTSpecial Weather StatementPHICaroline34 min
Aug 15, 5:59 PM EDTSpecial Weather StatementAKQCaroline16 min
Aug 15, 6:02 PM EDTSevere Thunderstorm WarningAKQDorchester32 min
Aug 17, 10:26 PM EDTSpecial Weather StatementAKQDorchester49 min
Aug 17, 11:05 PM EDTSevere Thunderstorm WarningLWXCharles25 min
Aug 18, 2:36 AM EDTCoastal Flood AdvisoryLWXSaint Mary's3 hr
Aug 23, 3:02 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Saint Mary's10 hr
Aug 24, 2:53 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Harford15 hr
Aug 25, 2:02 AM EDTMesoscale DiscussionSPCAllegany, Garrett118 min
Aug 25, 2:58 AM EDTSevere Thunderstorm WarningLWXGarrett32 min
Aug 25, 6:36 PM EDTSevere Thunderstorm WarningLWXMontgomery24 min
Aug 25, 6:59 PM EDTSevere Thunderstorm WarningLWXMontgomery46 min
Aug 27, 3:42 PM EDTBeach Hazards StatementAKQWorcester28 hr
Aug 27, 11:36 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Saint Mary's8 hr
Aug 28, 3:40 PM EDTBeach Hazards StatementAKQWorcester7 days
Aug 28, 3:40 PM EDTCoastal Flood StatementAKQDorchester12 hr
Aug 28, 10:48 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Saint Mary's10 hr
Aug 29, 4:49 AM EDTFlood WatchLWXAllegany19 hr
Aug 29, 5:03 AM EDTCoastal Flood StatementAKQDorchester22 hr
Aug 29, 5:03 AM EDTCoastal Flood AdvisoryAKQWorcester17 hr
Aug 29, 10:32 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Saint Mary's11 hr
Aug 30, 9:43 PM EDTCoastal Flood AdvisoryAKQWorcester41 hr
Aug 31, 12:43 AM EDTCoastal Flood AdvisoryLWXSaint Mary's4 hr
Aug 31, 5:54 AM EDTCoastal Flood StatementAKQDorchester, Somerset, Wicomico62 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 archive20222024

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.