Alert archive / Maryland / Severe Thunderstorm Warnings / 2011

Severe Thunderstorm Warnings in Maryland, August 2011

69 severe thunderstorm warnings in August 2011. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in August 2011. Tap one for its archive.

Severe Thunderstorm Warnings
69
Busiest day
August 19, 201120 severe thunderstorm warnings

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, 4:46 PM EDTSevere Thunderstorm WarningPHICecil48 min
Aug 1, 5:12 PM EDTSevere Thunderstorm WarningPHICecil, Kent, Queen Anne's78 min
Aug 1, 5:24 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Montgomery, Prince George's51 min
Aug 1, 5:40 PM EDTSevere Thunderstorm WarningLWXCharles, Prince George's50 min
Aug 1, 5:54 PM EDTSevere Thunderstorm WarningLWXWashington51 min
Aug 1, 6:03 PM EDTSevere Thunderstorm WarningLWXCharles42 min
Aug 1, 6:07 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Howard, Montgomery, Prince George's38 min
Aug 1, 6:13 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington47 min
Aug 1, 6:31 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Calvert22 min
Aug 1, 6:41 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot18 min
Aug 1, 7:46 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's38 min
Aug 1, 11:01 PM EDTSevere Thunderstorm WarningAKQSomerset, Wicomico, Worcester29 min
Aug 1, 11:32 PM EDTSevere Thunderstorm WarningAKQWorcester28 min
Aug 9, 4:24 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Howard, City of Baltimore35 min
Aug 13, 2:13 PM EDTSevere Thunderstorm WarningLWXWashington62 min
Aug 14, 5:56 PM EDTSevere Thunderstorm WarningLWXAllegany49 min
Aug 14, 7:44 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington42 min
Aug 14, 9:15 PM EDTSevere Thunderstorm WarningLWXMontgomery22 min
Aug 18, 4:40 PM EDTSevere Thunderstorm WarningLWXAnne Arundel50 min
Aug 18, 5:08 PM EDTSevere Thunderstorm WarningLWXAnne Arundel52 min
Aug 18, 5:14 PM EDTSevere Thunderstorm WarningLWXBaltimore, Harford, City of Baltimore46 min
Aug 18, 5:20 PM EDTSevere Thunderstorm WarningLWXCarroll, Frederick, Howard40 min
Aug 18, 5:21 PM EDTSevere Thunderstorm WarningLWXMontgomery39 min
Aug 18, 5:38 PM EDTSevere Thunderstorm WarningLWXHarford36 min
Aug 18, 5:48 PM EDTSevere Thunderstorm WarningPHICecil57 min
Aug 18, 5:51 PM EDTSevere Thunderstorm WarningLWXHarford39 min
Aug 18, 5:55 PM EDTSevere Thunderstorm WarningLWXMontgomery50 min
Aug 18, 6:11 PM EDTSevere Thunderstorm WarningLWXBaltimore, Harford24 min
Aug 18, 6:21 PM EDTSevere Thunderstorm WarningLWXHoward, Montgomery, Prince George's39 min
Aug 18, 6:49 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Howard, Prince George's, City of Baltimore41 min
Aug 18, 7:28 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Harford, City of Baltimore47 min
Aug 18, 8:30 PM EDTSevere Thunderstorm WarningLWXWashington30 min
Aug 18, 9:39 PM EDTSevere Thunderstorm WarningLWXWashington51 min
Aug 18, 10:11 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington49 min
Aug 18, 10:36 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington39 min
Aug 18, 11:53 PM EDTSevere Thunderstorm WarningLWXBaltimore, Harford52 min
Aug 19, 2:39 PM EDTSevere Thunderstorm WarningAKQWicomico36 min
Aug 19, 3:16 PM EDTSevere Thunderstorm WarningAKQWicomico29 min
Aug 19, 3:54 PM EDTSevere Thunderstorm WarningLWXWashington32 min
Aug 19, 4:09 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's66 min
Aug 19, 4:42 PM EDTSevere Thunderstorm WarningPHICaroline63 min
Aug 19, 4:53 PM EDTSevere Thunderstorm WarningLWXWashington39 min
Aug 19, 5:19 PM EDTSevere Thunderstorm WarningLWXBaltimore, Harford41 min
Aug 19, 5:35 PM EDTSevere Thunderstorm WarningPHICecil55 min
Aug 19, 5:54 PM EDTSevere Thunderstorm WarningLWXBaltimore, Harford, City of Baltimore51 min
Aug 19, 6:14 PM EDTSevere Thunderstorm WarningPHICecil65 min
Aug 19, 6:21 PM EDTSevere Thunderstorm WarningPHICecil, Kent, Queen Anne's69 min
Aug 19, 6:36 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, City of Baltimore54 min
Aug 19, 6:39 PM EDTSevere Thunderstorm WarningLWXCharles47 min
Aug 19, 6:40 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Prince George's50 min
Aug 19, 7:13 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Prince George's35 min
Aug 21, 1:14 PM EDTSevere Thunderstorm WarningLWXBaltimore, Harford, City of Baltimore46 min
Aug 21, 1:28 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Howard, Montgomery, Prince George's47 min
Aug 21, 1:29 PM EDTSevere Thunderstorm WarningLWXBaltimore, City of Baltimore46 min
Aug 21, 1:40 PM EDTSevere Thunderstorm WarningLWXFrederick, Montgomery, Washington50 min
Aug 21, 1:54 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Harford, City of Baltimore51 min
Aug 21, 2:01 PM EDTSevere Thunderstorm WarningPHICecil, Kent, Queen Anne's59 min
Aug 21, 2:39 PM EDTSevere Thunderstorm WarningLWXAnne Arundel36 min
Aug 21, 2:55 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's, Talbot65 min
Aug 21, 3:11 PM EDTSevere Thunderstorm WarningLWXMontgomery, Prince George's49 min
Aug 21, 3:12 PM EDTSevere Thunderstorm WarningLWXMontgomery, Prince George's48 min
Aug 21, 4:06 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Calvert, Prince George's39 min
Aug 21, 4:43 PM EDTSevere Thunderstorm WarningAKQSomerset47 min
Aug 21, 4:48 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Calvert, Prince George's27 min
Aug 21, 5:09 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's, Talbot37 min
Aug 21, 5:18 PM EDTSevere Thunderstorm WarningAKQDorchester47 min
Aug 21, 5:24 PM EDTSevere Thunderstorm WarningAKQSomerset, Worcester51 min
Aug 25, 4:42 PM EDTSevere Thunderstorm WarningLWXCharles48 min
Aug 25, 5:20 PM EDTSevere Thunderstorm WarningLWXCharles, Saint Mary's40 min

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 archive20102012

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.