Alert archive / Maryland / Frost Advisories

Frost Advisories in Maryland, 2020

25 frost advisories in 2020. 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 frost advisories reaches back to 2005.

Frost Advisories by county

Each county as a circle sized by its count in 2020. Tap one for its archive.

Frost Advisories
25
Busiest month
October8 frost advisories
Busiest day
April 18, 20202 frost 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
Apr 16, 3:12 PM EDTFrost AdvisoryAKQWorcester18 hr
Apr 18, 3:07 AM EDTFrost AdvisoryPHICecil29 hr
Apr 18, 1:19 PM EDTFrost AdvisoryLWXAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 7 more20 hr
Apr 18, 9:31 PM EDTFrost AdvisoryAKQDorchester, Wicomico, Worcester10 hr
May 6, 2:13 PM EDTFrost AdvisoryLWXAllegany19 hr
May 9, 3:36 AM EDTFrost AdvisoryLWXAnne Arundel, Baltimore, Calvert, Charles, Harford, Prince George's and 2 more28 hr
May 11, 3:24 AM EDTFrost AdvisoryPHICecil27 hr
May 11, 3:43 AM EDTFrost AdvisoryLWXAllegany, Baltimore, Carroll, Frederick, Harford, Howard and 2 more26 hr
May 12, 2:41 PM EDTFrost AdvisoryLWXAllegany, Baltimore, Carroll, Frederick, Harford, Howard and 2 more18 hr
Sep 18, 9:12 AM EDTFrost AdvisoryPBZ24 hr
Sep 19, 1:17 PM EDTFrost AdvisoryPBZ20 hr
Sep 19, 1:37 PM EDTFrost AdvisoryLWXAllegany, Washington20 hr
Sep 20, 12:12 PM EDTFrost AdvisoryPBZ21 hr
Sep 20, 1:43 PM EDTFrost AdvisoryLWXAllegany, Carroll, Frederick, Washington19 hr
Sep 21, 1:31 PM EDTFrost AdvisoryLWXAllegany, Baltimore, Carroll, Frederick, Harford, Howard and 2 more19 hr
Sep 21, 3:35 PM EDTFrost AdvisoryPBZ17 hr
Oct 2, 12:48 PM EDTFrost AdvisoryLWXAllegany20 hr
Oct 2, 1:10 PM EDTFrost AdvisoryPBZ20 hr
Oct 16, 2:39 PM EDTFrost AdvisoryLWXWashington19 hr
Oct 17, 3:46 AM EDTFrost AdvisoryPHICaroline, Cecil, Kent, Queen Anne's, Talbot28 hr
Oct 17, 2:25 PM EDTFrost AdvisoryLWXBaltimore, Carroll, Frederick, Harford, Howard, Montgomery and 1 more20 hr
Oct 29, 8:44 PM EDTFrost AdvisoryLWXAnne Arundel, Baltimore, Charles, Howard, Montgomery, Prince George's and 1 more36 hr
Oct 30, 2:04 PM EDTFrost AdvisoryAKQDorchester, Somerset, Wicomico, Worcester19 hr
Oct 31, 7:51 PM EDTFrost AdvisoryPHICaroline, Cecil, Kent, Queen Anne's, Talbot11 hr
Nov 3, 8:41 PM ESTFrost AdvisoryLWXBaltimore, Harford, Howard, Montgomery, City of Baltimore12 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.

  1. April 18, 20202frost advisories
  2. May 11, 20202frost advisories
  3. September 19, 20202frost advisories
  4. September 20, 20202frost advisories
  5. September 21, 20202frost advisories
  6. October 2, 20202frost advisories
  7. October 17, 20202frost advisories
  8. October 30, 20202frost advisories
  9. April 16, 20201frost advisories
  10. April 19, 20201frost advisories
  11. May 6, 20201frost advisories
  12. May 9, 20201frost advisories

Nearby

Alerts in force nowTornadoes on recordThe radar archive20192021

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.