Alert archive / Maryland / 2012

Weather alerts in Maryland, April 2012

89 weather alerts in April 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 April 2012. Tap one for its archive.

Alerts
89
Warnings
38
Watches
26
Advisories
15
Busiest day
April 9, 201210 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
Apr 1, 10:01 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Calvert, City of Baltimore19 hr
Apr 1, 8:43 PM EDTCoastal Flood StatementPHICaroline, Queen Anne's, Talbot6 hr
Apr 1, 9:10 PM EDTCoastal Flood StatementAKQDorchester, Somerset, Wicomico5 hr
Apr 2, 2:44 AM EDTCoastal Flood StatementLWXPrince George's5 hr
Apr 2, 3:08 AM EDTFrost AdvisoryPHICecil, Kent29 hr
Apr 2, 12:01 PM EDTFrost AdvisoryLWXBaltimore, City of Baltimore20 hr
Apr 2, 12:01 PM EDTFreeze WarningLWXAllegany, Carroll, Frederick, Washington20 hr
Apr 2, 3:28 PM EDTFreeze WarningPBZ17 hr
Apr 4, 2:09 PM EDTFreeze WatchPBZ25 hr
Apr 4, 2:09 PM EDTFreeze WatchPBZ46 hr
Apr 4, 2:09 PM EDTFreeze WarningPBZ18 hr
Apr 5, 4:31 AM EDTFreeze WatchLWXAllegany, Baltimore, Carroll, Frederick, Washington23 hr
Apr 5, 7:51 AM EDTFreeze WarningPHICecil24 hr
Apr 5, 11:32 AM EDTFreeze WarningLWXAllegany, Baltimore, Carroll, Frederick, Washington21 hr
Apr 5, 3:25 PM EDTFreeze WarningPBZ18 hr
Apr 5, 7:13 PM EDTCoastal Flood AdvisoryLWXPrince George's3 hr
Apr 6, 1:09 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more9 hr
Apr 6, 3:54 AM EDTFreeze WarningLWXAllegany, Baltimore, Carroll, Frederick, Washington28 hr
Apr 6, 8:11 AM EDTFreeze WarningPHICecil24 hr
Apr 6, 11:50 AM EDTFreeze WarningPBZ21 hr
Apr 6, 2:25 PM EDTFire Weather WatchLWXAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 4 more14 hr
Apr 6, 3:10 PM EDTFire Weather WatchPHICaroline, Cecil, Kent, Queen Anne's, Talbot13 hr
Apr 6, 4:09 PM EDTCoastal Flood StatementAKQWorcester10 hr
Apr 6, 7:56 PM EDTRed Flag WarningPHICaroline, Cecil, Kent, Queen Anne's, Talbot24 hr
Apr 7, 3:49 AM EDTFire Weather WatchPHICaroline, Cecil, Kent, Queen Anne's, Talbot18 hr
Apr 7, 4:14 AM EDTFire Weather WatchLWXAllegany, Anne Arundel, Baltimore, Carroll, Frederick, Prince George's and 2 more17 hr
Apr 7, 4:14 AM EDTRed Flag WarningLWXAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 5 more15 hr
Apr 7, 11:02 AM EDTCoastal Flood StatementAKQWorcester14 hr
Apr 7, 2:47 PM EDTFreeze WarningLWXAllegany, Carroll, Frederick, Washington16 hr
Apr 7, 2:57 PM EDTFreeze WarningPBZ18 hr
Apr 7, 3:01 PM EDTFire Weather WatchAKQDorchester, Somerset, Wicomico, Worcester10 hr
Apr 7, 8:14 PM EDTRed Flag WarningPHICaroline, Cecil, Kent, Queen Anne's, Talbot24 hr
Apr 7, 9:05 PM EDTRed Flag WarningLWXAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 5 more23 hr
Apr 8, 12:54 AM EDTRed Flag WarningAKQDorchester, Somerset, Wicomico, Worcester18 hr
Apr 8, 3:28 AM EDTFire Weather WatchLWXAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 5 more22 hr
Apr 8, 4:07 AM EDTFire Weather WatchPHICaroline, Cecil, Kent, Queen Anne's, Talbot16 hr
Apr 8, 5:14 AM EDTFire Weather WatchAKQDorchester, Somerset, Wicomico, Worcester14 hr
Apr 8, 7:38 PM EDTRed Flag WarningAKQDorchester, Somerset, Wicomico, Worcester24 hr
Apr 8, 8:01 PM EDTRed Flag WarningPHICaroline, Cecil, Kent, Queen Anne's, Talbot24 hr
Apr 8, 8:19 PM EDTRed Flag WarningLWXAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 5 more23 hr
Apr 9, 3:45 AM EDTFreeze WatchLWXAllegany11 hr
Apr 9, 4:03 AM EDTWind AdvisoryPHICaroline, Cecil, Kent, Queen Anne's, Talbot14 hr
Apr 9, 10:30 AM EDTFire Weather WatchAKQDorchester, Somerset, Wicomico, Worcester9 hr
Apr 9, 10:34 AM EDTFire Weather WatchLWXAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 5 more10 hr
Apr 9, 2:32 PM EDTFreeze WatchLWXAllegany13 hr
Apr 9, 2:32 PM EDTFreeze WarningLWXAllegany17 hr
Apr 9, 3:12 PM EDTFire Weather WatchPHICaroline, Cecil, Kent, Queen Anne's, Talbot13 hr
Apr 9, 3:53 PM EDTRed Flag WarningAKQDorchester, Somerset, Wicomico, Worcester28 hr
Apr 9, 8:04 PM EDTRed Flag WarningPHICaroline, Cecil, Kent, Queen Anne's, Talbot24 hr
Apr 9, 8:39 PM EDTRed Flag WarningLWXAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 5 more27 hr
Apr 10, 3:28 AM EDTFreeze WarningLWXAllegany29 hr
Apr 10, 3:46 AM EDTFreeze WatchPBZ12 hr
Apr 10, 3:35 PM EDTFreeze WatchPBZ24 hr
Apr 10, 3:35 PM EDTFreeze WarningPBZ17 hr
Apr 10, 3:54 PM EDTFreeze WatchLWXAllegany, Carroll, Frederick, Washington22 hr
Apr 11, 1:45 PM EDTFreeze WatchLWXAllegany15 hr
Apr 11, 1:45 PM EDTFreeze WarningLWXAllegany19 hr
Apr 11, 3:39 PM EDTFreeze WatchPBZ23 hr
Apr 11, 3:39 PM EDTFreeze WarningPBZ17 hr
Apr 12, 4:47 AM EDTFreeze WarningLWXAllegany26 hr
Apr 12, 2:31 PM EDTFreeze WarningPBZ18 hr
Apr 12, 2:54 PM EDTFrost AdvisoryLWXBaltimore, Carroll, Frederick, Washington16 hr
Apr 12, 3:40 PM EDTFrost AdvisoryPHICecil16 hr
Apr 16, 4:06 AM EDTWind AdvisoryPBZ16 hr
Apr 21, 2:55 PM EDTWinter Storm WatchPBZ24 hr
Apr 21, 3:43 PM EDTWinter Storm WatchLWXAllegany26 hr
Apr 21, 7:19 PM EDTSpecial Weather StatementPHICecil116 min
Apr 21, 7:35 PM EDTSpecial Weather StatementAKQDorchester55 min
Apr 21, 8:30 PM EDTSpecial Weather StatementAKQDorchester60 min
Apr 21, 8:41 PM EDTSpecial Weather StatementPHICaroline, Cecil, Queen Anne's, Talbot109 min
Apr 22, 1:20 PM EDTWinter Storm WarningLWXAllegany21 hr
Apr 22, 2:27 PM EDTWinter Storm WarningPBZ35 hr
Apr 22, 5:29 PM EDTWinter Weather AdvisoryLWXAllegany28 hr
Apr 23, 9:29 PM EDTFreeze WarningLWXAllegany11 hr
Apr 24, 2:09 PM EDTFreeze WarningLWXAllegany18 hr
Apr 24, 4:00 PM EDTFreeze WarningPBZ12 hr
Apr 24, 8:01 PM EDTFrost AdvisoryLWXBaltimore, Carroll, Frederick, Washington12 hr
Apr 25, 3:07 PM EDTFreeze WatchPBZ24 hr
Apr 25, 3:27 PM EDTFreeze WatchLWXAllegany24 hr
Apr 26, 2:58 PM EDTFreeze WarningLWXAllegany18 hr
Apr 26, 3:24 PM EDTFreeze WarningPBZ5 hr
Apr 26, 8:41 PM EDTSpecial Weather StatementLWXCarroll34 min
Apr 27, 10:03 AM EDTFreeze WatchLWXAllegany, Baltimore, Carroll, Frederick, Washington4 hr
Apr 27, 1:55 PM EDTFrost AdvisoryLWXBaltimore18 hr
Apr 27, 1:55 PM EDTFreeze WarningLWXAllegany, Carroll, Frederick, Washington19 hr
Apr 27, 3:18 PM EDTFrost AdvisoryPHICaroline, Cecil, Kent, Queen Anne's, Talbot17 hr
Apr 27, 3:25 PM EDTFreeze WarningPBZ16 hr
Apr 29, 8:21 AM EDTDense Fog AdvisoryLWXAllegany, Frederick, Washington2 hr
Apr 29, 9:43 AM EDTFrost AdvisoryPHICecil22 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 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.