Alert archive / Maryland / Freeze Warnings

Freeze Warnings in Maryland, 2020

24 freeze warnings 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 freeze warnings reaches back to 2005.

Freeze Warnings by county

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

Freeze Warnings
24
Busiest month
May9 freeze warnings
Busiest day
April 16, 20203 freeze warnings

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 10, 2:28 PM EDTFreeze WarningLWXBaltimore, Carroll, Frederick, Harford, Howard, Montgomery and 1 more19 hr
Apr 10, 3:29 PM EDTFreeze WarningPHICecil18 hr
Apr 16, 1:19 PM EDTFreeze WarningLWXAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 7 more20 hr
Apr 16, 3:12 PM EDTFreeze WarningAKQDorchester, Somerset, Wicomico, Worcester18 hr
Apr 16, 3:19 PM EDTFreeze WarningPHICaroline, Cecil, Kent, Queen Anne's, Talbot18 hr
Apr 18, 9:22 PM EDTFreeze WarningLWXWashington12 hr
Apr 21, 3:34 AM EDTFreeze WarningPHICaroline, Cecil, Kent, Queen Anne's, Talbot28 hr
Apr 21, 4:04 AM EDTFreeze WarningLWXAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more27 hr
May 6, 1:01 PM EDTFreeze WarningPBZ20 hr
May 7, 1:13 PM EDTFreeze WarningPBZ45 hr
May 7, 2:16 PM EDTFreeze WarningLWXAllegany, Baltimore, Carroll, Frederick, Harford, Howard and 2 more43 hr
May 9, 3:17 AM EDTFreeze WarningPBZ28 hr
May 9, 3:36 AM EDTFreeze WarningLWXAllegany, Baltimore, Carroll, Frederick, Harford, Howard and 2 more28 hr
May 9, 3:46 AM EDTFreeze WarningPHICecil29 hr
May 11, 2:53 AM EDTFreeze WarningPBZ29 hr
May 11, 3:43 AM EDTFreeze WarningLWXAllegany29 hr
May 12, 11:46 AM EDTFreeze WarningPBZ21 hr
Sep 20, 8:55 PM EDTFreeze WarningLWXAllegany5 hr
Oct 16, 1:34 PM EDTFreeze WarningPBZ19 hr
Oct 16, 2:39 PM EDTFreeze WarningLWXAllegany19 hr
Oct 29, 3:21 PM EDTFreeze WarningPHICaroline, Cecil, Kent, Queen Anne's, Talbot42 hr
Oct 29, 4:14 PM EDTFreeze WarningLWXBaltimore, Carroll, Frederick, Harford, Howard41 hr
Nov 2, 1:30 PM ESTFreeze WarningLWXCharles, Harford19 hr
Nov 2, 8:22 PM ESTFreeze WarningPHICecil7 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 16, 20203freeze warnings
  2. May 9, 20203freeze warnings
  3. April 10, 20202freeze warnings
  4. April 21, 20202freeze warnings
  5. May 7, 20202freeze warnings
  6. May 11, 20202freeze warnings
  7. October 16, 20202freeze warnings
  8. October 29, 20202freeze warnings
  9. April 19, 20201freeze warnings
  10. May 6, 20201freeze warnings
  11. May 12, 20201freeze warnings
  12. September 21, 20201freeze warnings

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.