Alert archive / Maryland / 2012

Weather alerts in Maryland, May 2012

123 weather alerts in May 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 May 2012. Tap one for its archive.

Alerts
123
Warnings
25
Watches
2
Advisories
6
Busiest day
May 4, 201223 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
May 1, 11:28 PM EDTSpecial Weather StatementPBZGarrett62 min
May 2, 5:57 AM EDTSpecial Weather StatementLWXSaint Mary's48 min
May 2, 5:58 AM EDTSpecial Weather StatementPHICecil, Kent92 min
May 2, 6:18 AM EDTSpecial Weather StatementAKQDorchester42 min
May 2, 6:41 AM EDTSpecial Weather StatementLWXCalvert, Saint Mary's34 min
May 2, 4:56 PM EDTMesoscale DiscussionSPCAllegany, Frederick, Garrett, Washington2 hr
May 2, 5:26 PM EDTSpecial Weather StatementLWXWashington34 min
May 2, 5:41 PM EDTSpecial Weather StatementLWXWashington34 min
May 2, 6:06 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington39 min
May 3, 5:45 PM EDTMesoscale DiscussionSPCWashington60 min
May 3, 7:17 PM EDTSpecial Weather StatementLWXWashington28 min
May 3, 7:31 PM EDTSpecial Weather StatementLWXWashington29 min
May 3, 7:34 PM EDTSevere Thunderstorm WarningLWXWashington41 min
May 3, 7:56 PM EDTSevere Thunderstorm WarningLWXWashington49 min
May 3, 8:21 PM EDTSpecial Weather StatementLWXFrederick24 min
May 3, 8:28 PM EDTSevere Thunderstorm WarningLWXWashington26 min
May 3, 8:46 PM EDTSpecial Weather StatementLWXWashington29 min
May 3, 8:49 PM EDTSpecial Weather StatementLWXFrederick26 min
May 3, 8:58 PM EDTSpecial Weather StatementLWXWashington32 min
May 3, 9:16 PM EDTSpecial Weather StatementLWXCarroll, Frederick29 min
May 3, 9:42 PM EDTSpecial Weather StatementLWXCarroll48 min
May 3, 9:44 PM EDTSpecial Weather StatementLWXWashington46 min
May 3, 9:57 PM EDTSevere Thunderstorm WarningLWXFrederick, Montgomery48 min
May 3, 9:58 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Howard22 min
May 3, 10:17 PM EDTSpecial Weather StatementLWXBaltimore, City of Baltimore28 min
May 3, 10:26 PM EDTSpecial Weather StatementLWXHoward, Montgomery34 min
May 3, 10:34 PM EDTSpecial Weather StatementLWXBaltimore, City of Baltimore26 min
May 3, 10:43 PM EDTSpecial Weather StatementLWXMontgomery32 min
May 4, 12:32 AM EDTSpecial Weather StatementAKQDorchester58 min
May 4, 1:02 AM EDTSpecial Weather StatementPHICaroline, Queen Anne's, Talbot58 min
May 4, 12:13 PM EDTSpecial Weather StatementLWXPrince George's47 min
May 4, 12:36 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Prince George's24 min
May 4, 12:56 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's, Talbot15 min
May 4, 12:59 PM EDTSevere Thunderstorm WarningLWXAnne Arundel9 min
May 4, 1:26 PM EDTMesoscale DiscussionSPCAllegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 13 more2 hr
May 4, 1:34 PM EDTSpecial Weather StatementPHITalbot26 min
May 4, 2:07 PM EDTSpecial Weather StatementPHICaroline38 min
May 5, 6:37 PM EDTCoastal Flood AdvisoryLWXAnne Arundel16 hr
May 6, 10:50 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, City of Baltimore13 hr
May 7, 3:59 AM EDTCoastal Flood StatementPHIKent, Queen Anne's, Talbot5 hr
May 7, 3:39 PM EDTCoastal Flood StatementPHICaroline, Kent, Queen Anne's, Talbot18 hr
May 7, 5:17 PM EDTCoastal Flood StatementAKQDorchester, Somerset, Wicomico, Worcester11 hr
May 7, 10:14 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, City of Baltimore39 hr
May 10, 4:03 PM EDTFrost AdvisoryPBZ16 hr
May 15, 6:40 AM EDTSpecial Weather StatementPHICaroline, Cecil, Kent, Queen Anne's50 min
May 15, 7:30 AM EDTSpecial Weather StatementPHICaroline, Cecil, Kent, Queen Anne's2 hr
May 15, 7:51 AM EDTSpecial Weather StatementAKQWorcester54 min
May 15, 2:08 PM EDTMesoscale DiscussionSPCAnne Arundel, Calvert, Charles, Dorchester, Montgomery, Prince George's and 1 more67 min
May 15, 8:31 PM EDTSpecial Weather StatementLWXCharles29 min
May 15, 8:52 PM EDTSpecial Weather StatementLWXCalvert38 min
May 15, 9:07 PM EDTSpecial Weather StatementLWXCharles53 min
May 15, 9:24 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Charles, Prince George's13 min
May 20, 10:17 PM EDTSpecial Weather StatementAKQWicomico, Worcester28 min
May 21, 8:58 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, City of Baltimore15 hr
May 21, 11:17 PM EDTSpecial Weather StatementLWXWashington88 min
May 22, 11:49 PM EDTSpecial Weather StatementLWXFrederick26 min
May 23, 3:04 PM EDTSpecial Weather StatementLWXMontgomery26 min
May 23, 3:42 PM EDTSpecial Weather StatementPHICaroline, Queen Anne's, Talbot63 min
May 23, 3:44 PM EDTSpecial Weather StatementAKQCaroline16 min
May 23, 4:07 PM EDTSpecial Weather StatementLWXCarroll23 min
May 23, 4:29 PM EDTSpecial Weather StatementLWXMontgomery31 min
May 23, 4:40 PM EDTSpecial Weather StatementPHICaroline, Kent, Queen Anne's, Talbot110 min
May 23, 5:47 PM EDTSpecial Weather StatementLWXBaltimore28 min
May 23, 6:41 PM EDTSpecial Weather StatementLWXCarroll34 min
May 23, 7:08 PM EDTSpecial Weather StatementLWXCarroll37 min
May 23, 10:26 PM EDTSpecial Weather StatementLWXSaint Mary's34 min
May 23, 11:01 PM EDTSpecial Weather StatementLWXSaint Mary's14 min
May 23, 11:26 PM EDTSpecial Weather StatementLWXSaint Mary's34 min
May 23, 11:36 PM EDTSpecial Weather StatementAKQDorchester54 min
May 24, 1:33 PM EDTMesoscale DiscussionSPCCharles87 min
May 24, 4:19 PM EDTSpecial Weather StatementPHICecil56 min
May 26, 4:11 PM EDTSpecial Weather StatementLWXAllegany34 min
May 26, 4:57 PM EDTSpecial Weather StatementLWXAllegany33 min
May 26, 7:17 PM EDTSevere Thunderstorm WarningLWXAllegany, Washington43 min
May 26, 8:06 PM EDTSpecial Weather StatementPBZGarrett39 min
May 27, 1:41 PM EDTMesoscale DiscussionSPCAllegany, Garrett, Washington64 min
May 27, 2:20 PM EDTSpecial Weather StatementPBZGarrett40 min
May 27, 2:57 PM EDTSpecial Weather StatementPBZGarrett48 min
May 27, 3:21 PM EDTFlash Flood WarningPBZGarrett3 hr
May 27, 6:34 PM EDTMesoscale DiscussionSPCAllegany, Baltimore, Carroll, Frederick, Garrett, Howard and 3 more56 min
May 27, 7:03 PM EDTSpecial Weather StatementLWXWashington57 min
May 27, 7:08 PM EDTSpecial Weather StatementPBZGarrett112 min
May 27, 7:25 PM EDTSevere Thunderstorm WarningLWXAllegany, Frederick, Washington50 min
May 27, 7:46 PM EDTSpecial Weather StatementLWXBaltimore, Carroll, Harford, Howard, City of Baltimore59 min
May 27, 8:02 PM EDTSpecial Weather StatementLWXFrederick28 min
May 27, 8:08 PM EDTSevere Thunderstorm WarningLWXFrederick, Montgomery, Washington37 min
May 27, 8:42 PM EDTSpecial Weather StatementLWXMontgomery, Prince George's18 min
May 27, 8:59 PM EDTSpecial Weather StatementLWXAnne Arundel, City of Baltimore46 min
May 27, 9:06 PM EDTSpecial Weather StatementLWXPrince George's39 min
May 27, 10:10 PM EDTSpecial Weather StatementPHICaroline, Queen Anne's65 min
May 27, 10:32 PM EDTFlash Flood WatchLWXAllegany3 hr
May 27, 11:25 PM EDTSpecial Weather StatementLWXAllegany35 min
May 27, 11:52 PM EDTSpecial Weather StatementLWXAllegany23 min
May 28, 4:16 AM EDTHeat AdvisoryLWXBaltimore, Carroll, Charles, Frederick, Prince George's, City of Baltimore17 hr
May 28, 4:21 PM EDTSpecial Weather StatementLWXAllegany54 min
May 28, 4:39 PM EDTFlash Flood WarningLWXAllegany62 min
May 29, 2:59 PM EDTSpecial Weather StatementPBZGarrett31 min
May 29, 3:22 PM EDTSpecial Weather StatementLWXWashington53 min
May 29, 3:33 PM EDTSpecial Weather StatementLWXAllegany27 min
May 29, 3:58 PM EDTSevere Thunderstorm WarningLWXWashington47 min
May 29, 4:09 PM EDTSevere Thunderstorm WarningLWXAllegany51 min
May 29, 4:22 PM EDTMesoscale DiscussionSPCFrederick, Washington53 min
May 29, 4:33 PM EDTSevere Thunderstorm WatchSPCBaltimore, Carroll, Charles, Frederick, Harford, Howard and 4 more4 hr
May 29, 4:34 PM EDTSevere Thunderstorm WarningLWXAllegany41 min
May 29, 4:37 PM EDTSpecial Weather StatementLWXFrederick38 min
May 29, 4:53 PM EDTSevere Thunderstorm WarningLWXWashington52 min
May 29, 5:01 PM EDTSevere Thunderstorm WarningLWXAllegany, Washington44 min
May 29, 5:12 PM EDTSpecial Weather StatementLWXCarroll48 min
May 29, 5:20 PM EDTSpecial Weather StatementLWXFrederick40 min
May 29, 5:26 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington49 min
May 29, 5:37 PM EDTSpecial Weather StatementLWXWashington38 min
May 29, 5:45 PM EDTFlash Flood WarningLWXFrederick, Washington5 hr
May 29, 5:50 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington40 min
May 29, 6:06 PM EDTSpecial Weather StatementLWXCarroll, Frederick39 min
May 29, 6:31 PM EDTSpecial Weather StatementLWXBaltimore, Carroll, Howard44 min
May 29, 7:29 PM EDTSpecial Weather StatementLWXBaltimore, Carroll, Harford, Howard, Montgomery, City of Baltimore61 min
May 29, 7:34 PM EDTSpecial Weather StatementPHICecil56 min
May 29, 7:38 PM EDTFlash Flood WarningLWXMontgomery76 min
May 29, 7:48 PM EDTMesoscale DiscussionSPCAnne Arundel, Charles, Kent, Prince George's57 min
May 29, 8:10 PM EDTFlash Flood WarningLWXMontgomery, Prince George's96 min
May 29, 8:33 PM EDTSpecial Weather StatementLWXAnne Arundel, Baltimore, Harford, Howard, City of Baltimore57 min
May 29, 9:35 PM EDTSpecial Weather StatementPHICaroline, Kent, Queen Anne's, Talbot85 min
May 29, 10:55 PM EDTSpecial Weather StatementPHICaroline, Talbot65 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.