Alert archive / Maryland / Winter Weather Advisories

Winter Weather Advisories in Maryland, 2021

34 winter weather advisories in 2021. 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 winter weather advisories reaches back to 2005.

Winter Weather Advisories by county

Each county as a circle sized by its count in 2021. Tap one for its archive.

Winter Weather Advisories
34
Busiest month
February20 winter weather advisories
Busiest day
January 25, 20213 winter weather advisories

Over time

By month

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
Jan 2, 5:37 PM ESTWinter Weather AdvisoryLWXAllegany, Carroll, Frederick, Washington30 hr
Jan 16, 3:22 AM ESTWinter Weather AdvisoryLWX30 hr
Jan 19, 2:13 AM ESTWinter Weather AdvisoryLWX35 hr
Jan 25, 1:05 AM ESTWinter Weather AdvisoryLWXAnne Arundel, Baltimore, Carroll, Cecil, Frederick, Harford and 5 more36 hr
Jan 25, 2:49 PM ESTWinter Weather AdvisoryAKQDorchester, Wicomico10 hr
Jan 25, 3:08 PM ESTWinter Weather AdvisoryPHICaroline, Kent, Queen Anne's, Talbot34 hr
Jan 30, 4:34 AM ESTWinter Weather AdvisoryAKQDorchester, Somerset, Wicomico, Worcester38 hr
Jan 30, 3:44 PM ESTWinter Weather AdvisoryPHICaroline, Queen Anne's72 hr
Jan 31, 6:50 PM ESTWinter Weather AdvisoryLWXAnne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 7 more42 hr
Feb 2, 11:16 PM ESTWinter Weather AdvisoryLWXAllegany8 hr
Feb 4, 4:54 AM ESTWinter Weather AdvisoryLWXAllegany28 hr
Feb 6, 3:22 AM ESTWinter Weather AdvisoryLWXAnne Arundel, Baltimore, Calvert, Charles, Howard, Montgomery and 4 more33 hr
Feb 6, 3:23 AM ESTWinter Weather AdvisoryPHICaroline, Kent, Queen Anne's, Talbot36 hr
Feb 6, 3:35 AM ESTWinter Weather AdvisoryAKQDorchester35 hr
Feb 10, 3:33 AM ESTWinter Weather AdvisoryLWXAllegany, Anne Arundel, Baltimore, Carroll, Cecil, Frederick and 6 more30 hr
Feb 10, 3:45 AM ESTWinter Weather AdvisoryAKQDorchester, Wicomico27 hr
Feb 10, 3:47 AM ESTWinter Weather AdvisoryPHICaroline, Kent, Queen Anne's, Talbot32 hr
Feb 11, 3:28 AM ESTWinter Weather AdvisoryLWXCalvert, Charles, Saint Mary's30 hr
Feb 11, 3:39 AM ESTWinter Weather AdvisoryAKQDorchester, Somerset, Wicomico, Worcester3 days
Feb 12, 3:10 PM ESTWinter Weather AdvisoryLWXAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 9 more43 hr
Feb 12, 3:21 PM ESTWinter Weather AdvisoryPHICaroline, Kent, Queen Anne's, Talbot43 hr
Feb 14, 10:00 AM ESTWinter Weather AdvisoryLWXAllegany, Baltimore, Carroll, Frederick, Harford, Howard and 2 more44 hr
Feb 15, 4:24 AM ESTWinter Weather AdvisoryLWXBaltimore, Carroll, Cecil, Harford, Howard, Montgomery25 hr
Feb 17, 9:56 AM ESTWinter Weather AdvisoryLWXCalvert, Saint Mary's27 hr
Feb 17, 3:10 PM ESTWinter Weather AdvisoryAKQDorchester, Somerset, Wicomico45 hr
Feb 17, 3:43 PM ESTWinter Weather AdvisoryPHICaroline, Kent, Queen Anne's, Talbot47 hr
Feb 18, 1:05 PM ESTWinter Weather AdvisoryLWXAllegany, Anne Arundel, Baltimore, Carroll, Cecil, Frederick and 6 more23 hr
Feb 21, 3:17 PM ESTWinter Weather AdvisoryLWXAllegany, Baltimore, Carroll, Cecil, Frederick, Harford and 4 more24 hr
Feb 25, 8:03 PM ESTWinter Weather AdvisoryLWXAllegany37 hr
Mar 15, 2:33 PM EDTWinter Weather AdvisoryLWXAllegany20 hr
Mar 31, 9:17 AM EDTWinter Weather AdvisoryLWX41 hr
Nov 14, 2:05 AM ESTWinter Weather AdvisoryLWXAllegany31 hr
Dec 23, 11:43 PM ESTWinter Weather AdvisoryLWXAllegany, Frederick, Washington3 hr
Dec 26, 12:21 PM ESTWinter Weather AdvisoryLWXAllegany27 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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.