Alert archive / Maryland / Frost Advisories
Frost Advisories in Maryland, 2009
23 frost advisories in 2009. 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 2009. Tap one for its archive.
- Frost Advisories
- 23
- Busiest month
- October9 frost advisories
- Busiest day
- April 16, 20093 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 3:01 PM EDT | Frost Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 17 hr |
| Apr 16, 3:27 PM EDT | Frost Advisory | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 3 more | 16 hr |
| Apr 16, 3:46 PM EDT | Frost Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 16 hr |
| Apr 23, 4:00 AM EDT | Frost Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 28 hr |
| Apr 23, 2:33 PM EDT | Frost Advisory | LWX | Baltimore, Carroll, Frederick | 17 hr |
| Apr 23, 3:22 PM EDT | Frost Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 17 hr |
| May 12, 3:08 PM EDT | Frost Advisory | LWX | Allegany | 17 hr |
| May 17, 3:18 AM EDT | Frost Advisory | LWX | Allegany, Washington | 30 hr |
| May 18, 3:53 AM EDT | Frost Advisory | LWX | Allegany, Baltimore, Carroll, Frederick, Washington | 28 hr |
| May 19, 3:04 PM EDT | Frost Advisory | LWX | Allegany | 17 hr |
| Sep 30, 3:45 AM EDT | Frost Advisory | LWX | Allegany | 29 hr |
| Sep 30, 3:27 PM EDT | Frost Advisory | PBZ | 18 hr | |
| Oct 11, 5:34 AM EDT | Frost Advisory | LWX | Allegany | 2 hr |
| Oct 11, 2:18 PM EDT | Frost Advisory | PBZ | 16 hr | |
| Oct 11, 2:47 PM EDT | Frost Advisory | LWX | Allegany | 17 hr |
| Oct 13, 4:10 AM EDT | Frost Advisory | LWX | Allegany, Washington | 28 hr |
| Oct 18, 2:04 PM EDT | Frost Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 19 hr |
| Oct 18, 2:58 PM EDT | Frost Advisory | LWX | Anne Arundel, Baltimore, City of Baltimore | 18 hr |
| Oct 19, 1:12 PM EDT | Frost Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 18 hr |
| Oct 19, 2:48 PM EDT | Frost Advisory | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 4 more | 18 hr |
| Oct 19, 3:59 PM EDT | Frost Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 16 hr |
| Nov 3, 2:09 AM EST | Frost Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 30 hr |
| Nov 3, 1:35 PM EST | Frost Advisory | LWX | Baltimore, Carroll, Frederick, Washington | 18 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allegany County8
- Baltimore County6
- Caroline County5
- Cecil County5
- Kent County5
- Queen Anne's County5
- Talbot County5
- Carroll County5
- Frederick County5
- Washington County5
- Anne Arundel County3
- City of Baltimore3
- Dorchester County3
- Somerset County3
- Wicomico County3
- Worcester County3
- Calvert County2
- Charles County2
- Prince George's County2
- Saint Mary's County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.