Alert archive / Maryland / 2012

Weather alerts in Maryland, September 2012

187 weather alerts in September 2012, 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 2012. Tap one for its archive.

Alerts
187
Warnings
50
Watches
8
Advisories
22
Busiest day
September 18, 201257 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 1, 3:54 PM EDTSevere Thunderstorm WarningLWXWashington51 min
Sep 1, 4:17 PM EDTSpecial Weather StatementLWXWashington58 min
Sep 1, 5:21 PM EDTSevere Thunderstorm WarningLWXCarroll, Frederick39 min
Sep 1, 5:53 PM EDTSpecial Weather StatementLWXFrederick52 min
Sep 1, 6:13 PM EDTFlash Flood WarningLWXAllegany, Washington2 hr
Sep 1, 6:42 PM EDTSevere Thunderstorm WarningLWXBaltimore, City of Baltimore63 min
Sep 1, 7:03 PM EDTSpecial Weather StatementCTPCarroll42 min
Sep 1, 7:19 PM EDTSevere Thunderstorm WarningLWXCarroll9 min
Sep 1, 7:29 PM EDTSpecial Weather StatementPHIKent, Queen Anne's61 min
Sep 1, 8:07 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's38 min
Sep 1, 8:36 PM EDTSpecial Weather StatementLWXPrince George's39 min
Sep 1, 8:47 PM EDTSpecial Weather StatementPHICaroline, Queen Anne's88 min
Sep 1, 9:27 PM EDTSpecial Weather StatementPHICaroline, Queen Anne's, Talbot93 min
Sep 1, 9:43 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Calvert, Charles, Prince George's46 min
Sep 1, 10:31 PM EDTSpecial Weather StatementAKQDorchester74 min
Sep 1, 10:34 PM EDTSpecial Weather StatementPHICaroline, Talbot86 min
Sep 1, 11:19 PM EDTSpecial Weather StatementAKQDorchester41 min
Sep 1, 11:44 PM EDTSpecial Weather StatementPHIWicomico61 min
Sep 1, 11:48 PM EDTSpecial Weather StatementAKQDorchester27 min
Sep 2, 12:12 AM EDTSpecial Weather StatementAKQWicomico48 min
Sep 2, 1:01 AM EDTSpecial Weather StatementAKQWorcester59 min
Sep 2, 12:40 PM EDTAreal Flood AdvisoryPHICecil83 min
Sep 2, 2:33 PM EDTSpecial Weather StatementLWXSaint Mary's42 min
Sep 2, 2:41 PM EDTFlash Flood WarningLWXSaint Mary's3 hr
Sep 2, 2:51 PM EDTSpecial Weather StatementAKQDorchester54 min
Sep 2, 3:10 PM EDTSpecial Weather StatementAKQDorchester, Somerset, Wicomico50 min
Sep 2, 3:17 PM EDTAreal Flood AdvisoryPHICaroline118 min
Sep 2, 3:39 PM EDTAreal Flood AdvisoryAKQDorchester, Wicomico2 hr
Sep 2, 3:57 PM EDTFlash Flood WarningPHICaroline2 hr
Sep 2, 6:33 PM EDTSpecial Weather StatementPHIKent117 min
Sep 2, 7:08 PM EDTFlash Flood WarningLWXCharles, Saint Mary's2 hr
Sep 2, 7:25 PM EDTSpecial Weather StatementLWXCity of Baltimore35 min
Sep 2, 10:09 PM EDTSpecial Weather StatementAKQDorchester, Somerset66 min
Sep 3, 11:27 AM EDTSpecial Weather StatementPHITalbot63 min
Sep 3, 11:51 AM EDTSpecial Weather StatementPHICecil54 min
Sep 3, 12:21 PM EDTSpecial Weather StatementAKQSomerset54 min
Sep 3, 1:09 PM EDTSpecial Weather StatementAKQDorchester, Wicomico, Worcester66 min
Sep 3, 1:42 PM EDTSpecial Weather StatementPHICaroline93 min
Sep 3, 1:48 PM EDTAreal Flood AdvisoryPHICecil, Kent, Queen Anne's3 hr
Sep 3, 1:53 PM EDTAreal Flood AdvisoryPHICecil, Kent, Queen Anne's3 hr
Sep 3, 2:39 PM EDTSpecial Weather StatementPHICecil66 min
Sep 3, 2:44 PM EDTAreal Flood AdvisoryPHICecil119 min
Sep 3, 4:35 PM EDTSpecial Weather StatementLWXBaltimore, City of Baltimore40 min
Sep 3, 4:44 PM EDTFlash Flood WarningLWXBaltimore, City of Baltimore113 min
Sep 4, 12:13 AM EDTAreal Flood AdvisoryPHICecil111 min
Sep 4, 12:10 PM EDTCoastal Flood StatementAKQWorcester8 hr
Sep 4, 12:15 PM EDTAreal Flood WarningPHICecil106 min
Sep 4, 12:18 PM EDTCoastal Flood AdvisoryLWXAnne Arundel14 hr
Sep 4, 1:57 PM EDTSpecial Weather StatementAKQWorcester63 min
Sep 4, 2:35 PM EDTSpecial Weather StatementLWXWashington25 min
Sep 4, 3:42 PM EDTSpecial Weather StatementLWXPrince George's33 min
Sep 5, 3:16 AM EDTRip Current StatementAKQWorcester6 days
Sep 5, 2:12 PM EDTMesoscale DiscussionSPCAnne Arundel, Calvert, Caroline, Charles, Kent, Prince George's and 2 more63 min
Sep 5, 2:44 PM EDTSpecial Weather StatementPHITalbot61 min
Sep 5, 9:02 PM EDTSpecial Weather StatementAKQWicomico, Worcester58 min
Sep 5, 9:54 PM EDTSpecial Weather StatementAKQWorcester51 min
Sep 6, 6:29 AM EDTSpecial Weather StatementAKQSomerset, Wicomico, Worcester46 min
Sep 6, 6:48 AM EDTAreal Flood AdvisoryPHICaroline3 hr
Sep 6, 9:24 AM EDTAreal Flood AdvisoryAKQWorcester3 hr
Sep 6, 10:45 AM EDTFlash Flood WarningLWXCalvert, Saint Mary's3 hr
Sep 6, 11:00 AM EDTSpecial Weather StatementAKQDorchester, Wicomico75 min
Sep 6, 11:34 AM EDTFlood WatchAKQDorchester, Somerset, Wicomico, Worcester5 hr
Sep 6, 12:27 PM EDTAreal Flood AdvisoryAKQDorchester, Somerset, Wicomico3 hr
Sep 6, 1:14 PM EDTAreal Flood AdvisoryAKQSomerset, Worcester3 hr
Sep 7, 2:41 PM EDTSpecial Weather StatementCTPHarford34 min
Sep 7, 3:06 PM EDTSpecial Weather StatementLWXHarford24 min
Sep 7, 3:14 PM EDTSpecial Weather StatementCTPHarford61 min
Sep 7, 3:26 PM EDTSpecial Weather StatementLWXHarford34 min
Sep 7, 5:04 PM EDTSpecial Weather StatementCTPHarford56 min
Sep 7, 7:52 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, City of Baltimore6 hr
Sep 8, 5:00 AM EDTMesoscale DiscussionSPCAllegany, Garrett60 min
Sep 8, 11:38 AM EDTMesoscale DiscussionSPCAllegany, Baltimore, Carroll, Frederick, Howard, Montgomery and 2 more97 min
Sep 8, 11:52 AM EDTSpecial Weather StatementPBZGarrett68 min
Sep 8, 12:02 PM EDTSevere Thunderstorm WarningLWXWashington43 min
Sep 8, 12:15 PM EDTSevere Thunderstorm WatchSPCAllegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 13 more9 hr
Sep 8, 12:22 PM EDTSpecial Weather StatementLWXWashington23 min
Sep 8, 12:35 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington40 min
Sep 8, 12:47 PM EDTTornado WarningLWXWashington16 min
Sep 8, 1:09 PM EDTSevere Thunderstorm WarningLWXCarroll, Frederick, Washington66 min
Sep 8, 1:48 PM EDTSevere Thunderstorm WatchSPCDorchester, Somerset, Wicomico, Worcester7 hr
Sep 8, 2:02 PM EDTSpecial Weather StatementLWXBaltimore58 min
Sep 8, 2:10 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Frederick, Harford, Howard, Montgomery80 min
Sep 8, 2:12 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 9 more93 min
Sep 8, 2:47 PM EDTSevere Thunderstorm WarningLWXMontgomery58 min
Sep 8, 3:18 PM EDTSpecial Weather StatementLWXAnne Arundel, Montgomery, Prince George's87 min
Sep 8, 3:22 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Charles, Howard, Montgomery, Prince George's68 min
Sep 8, 3:25 PM EDTMesoscale DiscussionSPCSaint Mary's, Somerset65 min
Sep 8, 3:27 PM EDTSpecial Weather StatementLWXHarford33 min
Sep 8, 3:53 PM EDTTornado WarningLWXMontgomery, Prince George's15 min
Sep 8, 3:58 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Calvert, Charles, Howard, Montgomery and 3 more55 min
Sep 8, 4:06 PM EDTTornado WarningLWXAnne Arundel, Prince George's39 min
Sep 8, 4:07 PM EDTSpecial Weather StatementPHICaroline, Cecil, Kent, Queen Anne's, Talbot83 min
Sep 8, 4:22 PM EDTMesoscale DiscussionSPCAnne Arundel, Calvert, Caroline, Cecil, Charles, Dorchester and 6 more53 min
Sep 8, 4:25 PM EDTSpecial Weather StatementLWXKent20 min
Sep 8, 4:30 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's, Talbot60 min
Sep 17, 3:51 AM EDTCoastal Flood WatchLWXAnne Arundel, Baltimore, Calvert, Saint Mary's, City of Baltimore29 hr
Sep 17, 2:54 PM EDTWind AdvisoryPHICaroline, Cecil, Kent, Queen Anne's, Talbot30 hr
Sep 18, 1:34 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more23 hr
Sep 18, 4:13 AM EDTCoastal Flood AdvisoryPHICaroline, Cecil, Kent, Queen Anne's, Talbot21 hr
Sep 18, 8:06 AM EDTSpecial Weather StatementPBZGarrett54 min
Sep 18, 8:49 AM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 8 more116 min
Sep 18, 9:20 AM EDTCoastal Flood WarningLWXAnne Arundel, Baltimore, City of Baltimore15 hr
Sep 18, 10:20 AM EDTSpecial Weather StatementLWXWashington40 min
Sep 18, 10:54 AM EDTTornado WatchSPCAnne Arundel, Baltimore, Calvert, Carroll, Charles, Dorchester and 11 more9 hr
Sep 18, 11:07 AM EDTSpecial Weather StatementLWXFrederick38 min
Sep 18, 11:13 AM EDTSevere Thunderstorm WarningLWXFrederick, Washington47 min
Sep 18, 11:14 AM EDTMesoscale DiscussionSPCCecil91 min
Sep 18, 11:19 AM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 13 more86 min
Sep 18, 11:39 AM EDTSpecial Weather StatementLWXCarroll, Frederick66 min
Sep 18, 12:10 PM EDTTornado WatchSPCCaroline, Cecil, Kent, Queen Anne's, Talbot9 hr
Sep 18, 12:19 PM EDTSevere Thunderstorm WarningLWXCarroll, Frederick41 min
Sep 18, 12:29 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington61 min
Sep 18, 12:39 PM EDTFlash Flood WarningLWXCarroll, Frederick, Washington4 hr
Sep 18, 12:59 PM EDTFlash Flood WarningLWXFrederick3 hr
Sep 18, 1:02 PM EDTSpecial Weather StatementLWXSaint Mary's28 min
Sep 18, 1:10 PM EDTSevere Thunderstorm WarningLWXCarroll, Frederick54 min
Sep 18, 1:17 PM EDTSpecial Weather StatementAKQDorchester43 min
Sep 18, 1:27 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Carroll, Charles, Dorchester and 10 more63 min
Sep 18, 1:37 PM EDTSpecial Weather StatementLWXFrederick8 min
Sep 18, 1:54 PM EDTSevere Thunderstorm WarningLWXFrederick, Montgomery66 min
Sep 18, 1:56 PM EDTFlash Flood WatchLWXAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 4 more4 hr
Sep 18, 1:56 PM EDTMesoscale DiscussionSPCCecil, Harford64 min
Sep 18, 1:58 PM EDTSpecial Weather StatementAKQDorchester17 min
Sep 18, 2:18 PM EDTSevere Thunderstorm WarningLWXMontgomery57 min
Sep 18, 2:38 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Frederick, Howard, Montgomery52 min
Sep 18, 2:50 PM EDTFlash Flood WarningLWXMontgomery, Prince George's3 hr
Sep 18, 3:03 PM EDTCoastal Flood AdvisoryAKQDorchester5 hr
Sep 18, 3:09 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Montgomery, Prince George's66 min
Sep 18, 3:10 PM EDTSpecial Weather StatementLWXBaltimore, Howard, City of Baltimore35 min
Sep 18, 3:17 PM EDTTornado WarningLWXMontgomery, Prince George's17 min
Sep 18, 3:24 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Carroll, Harford, Howard, Montgomery and 2 more66 min
Sep 18, 3:25 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Calvert, Charles, Prince George's, Saint Mary's65 min
Sep 18, 3:28 PM EDTFlash Flood WarningLWXBaltimore, City of Baltimore2 hr
Sep 18, 3:32 PM EDTSevere Thunderstorm WarningLWXBaltimore, Harford28 min
Sep 18, 3:32 PM EDTSpecial Weather StatementPHICecil, Kent, Queen Anne's, Talbot58 min
Sep 18, 3:39 PM EDTSevere Thunderstorm WarningLWXCalvert, Charles, Saint Mary's47 min
Sep 18, 3:51 PM EDTSevere Thunderstorm WarningPHICecil, Kent, Queen Anne's84 min
Sep 18, 3:52 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Charles, Dorchester, Howard and 7 more113 min
Sep 18, 3:53 PM EDTAreal Flood WarningLWXCarroll, Frederick20 hr
Sep 18, 4:15 PM EDTSpecial Weather StatementLWXAnne Arundel30 min
Sep 18, 4:21 PM EDTMesoscale DiscussionSPCCaroline, Cecil114 min
Sep 18, 4:22 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Calvert23 min
Sep 18, 4:29 PM EDTSpecial Weather StatementLWXSaint Mary's16 min
Sep 18, 4:35 PM EDTAreal Flood AdvisoryPHICecil, Kent55 min
Sep 18, 4:42 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot78 min
Sep 18, 4:55 PM EDTSpecial Weather StatementLWXSaint Mary's35 min
Sep 18, 5:20 PM EDTSpecial Weather StatementAKQDorchester, Somerset, Wicomico, Worcester40 min
Sep 18, 5:27 PM EDTSpecial Weather StatementLWXSaint Mary's33 min
Sep 18, 5:57 PM EDTSevere Thunderstorm WarningPHICaroline78 min
Sep 18, 6:05 PM EDTSpecial Weather StatementAKQSomerset, Wicomico, Worcester40 min
Sep 18, 6:15 PM EDTMesoscale DiscussionSPCSomerset, Wicomico, Worcester30 min
Sep 18, 6:20 PM EDTSevere Thunderstorm WarningAKQDorchester, Somerset, Wicomico, Worcester40 min
Sep 18, 6:56 PM EDTSevere Thunderstorm WarningAKQSomerset, Wicomico, Worcester34 min
Sep 18, 7:32 PM EDTSpecial Weather StatementAKQWorcester13 min
Sep 19, 5:48 PM EDTFrost AdvisoryPBZ15 hr
Sep 22, 6:43 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Calvert, City of Baltimore7 hr
Sep 22, 3:09 PM EDTSpecial Weather StatementLWXFrederick36 min
Sep 22, 3:09 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 10 more2 hr
Sep 22, 3:25 PM EDTSpecial Weather StatementLWXCarroll50 min
Sep 22, 4:07 PM EDTSpecial Weather StatementLWXCarroll23 min
Sep 22, 4:29 PM EDTSpecial Weather StatementLWXFrederick31 min
Sep 22, 4:59 PM EDTSpecial Weather StatementLWXHarford31 min
Sep 22, 5:00 PM EDTSpecial Weather StatementLWXCarroll30 min
Sep 22, 5:16 PM EDTSpecial Weather StatementLWXBaltimore29 min
Sep 22, 5:17 PM EDTSpecial Weather StatementLWXMontgomery28 min
Sep 22, 6:05 PM EDTSpecial Weather StatementLWXHoward, City of Baltimore25 min
Sep 22, 6:30 PM EDTSpecial Weather StatementPHICecil60 min
Sep 22, 7:22 PM EDTSpecial Weather StatementPHICecil, Kent53 min
Sep 22, 10:27 PM EDTSpecial Weather StatementAKQWicomico63 min
Sep 22, 10:27 PM EDTCoastal Flood AdvisoryLWXAnne Arundel3 hr
Sep 23, 3:04 AM EDTFrost AdvisoryPBZ30 hr
Sep 26, 11:14 PM EDTSpecial Weather StatementLWXPrince George's31 min
Sep 27, 4:42 AM EDTSpecial Weather StatementLWXCarroll, Howard33 min
Sep 27, 4:53 AM EDTSpecial Weather StatementPHICecil67 min
Sep 27, 5:27 AM EDTSpecial Weather StatementLWXHarford33 min
Sep 27, 5:41 AM EDTSpecial Weather StatementPHICecil79 min
Sep 27, 3:18 PM EDTMesoscale DiscussionSPCBaltimore, Carroll, Frederick, Howard, Montgomery, Prince George's and 2 more117 min
Sep 27, 3:30 PM EDTSpecial Weather StatementLWXAllegany30 min
Sep 27, 6:16 PM EDTMesoscale DiscussionSPCAnne Arundel, Frederick, Howard, Montgomery, Prince George's, City of Baltimore29 min
Sep 27, 6:36 PM EDTSevere Thunderstorm WatchSPCAnne Arundel, Calvert, Charles, Howard, Montgomery, Prince George's and 1 more5 hr
Sep 27, 7:08 PM EDTSevere Thunderstorm WarningLWXMontgomery37 min
Sep 27, 7:20 PM EDTSpecial Weather StatementPBZGarrett40 min
Sep 27, 8:57 PM EDTMesoscale DiscussionSPCAnne Arundel, Calvert, Charles, Howard, Montgomery, Prince George's and 1 more63 min
Sep 28, 6:17 PM EDTSpecial Weather StatementAKQDorchester, Somerset43 min
Sep 28, 10:05 PM EDTSpecial Weather StatementAKQWicomico55 min
Sep 28, 10:55 PM EDTSpecial Weather StatementAKQSomerset, Worcester65 min
Sep 30, 4:07 PM EDTSpecial Weather StatementLWXAllegany, Baltimore, Carroll, Frederick, Washington23 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 archive20112013

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. Rebuilt daily.