Alert archive / Maryland / Excessive Heat Warnings
Excessive Heat Warnings in Maryland, 2011
6 excessive heat warnings in 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 excessive heat warnings reaches back to 2005.
Excessive Heat Warnings by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Excessive Heat Warnings
- 6
- Busiest month
- July5 excessive heat warnings
- Busiest day
- July 20, 20113 excessive heat 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 1:27 PM EDT | Excessive Heat Warning | PHI | Cecil | 31 hr |
| Jul 19, 2:29 PM EDT | Excessive Heat Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 5 days |
| Jul 20, 3:19 PM EDT | Excessive Heat Warning | LWX | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 5 more | 31 hr |
| Jul 20, 3:19 PM EDT | Excessive Heat Warning | LWX | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 5 more | 54 hr |
| Jul 20, 4:26 PM EDT | Excessive Heat Warning | AKQ | Dorchester, Somerset, Wicomico, Worcester | 3 days |
| Jul 21, 3:38 PM EDT | Excessive Heat Warning | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 3 more | 52 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Anne Arundel County3
- Baltimore County3
- Calvert County3
- Carroll County3
- Charles County3
- Frederick County3
- Prince George's County3
- Saint Mary's County3
- City of Baltimore3
- Cecil County2
- Allegany County2
- Washington County2
- Caroline County1
- Kent County1
- Queen Anne's County1
- Talbot County1
- Dorchester County1
- Somerset County1
- Wicomico County1
- Worcester County1
The busiest days
Days with the most alerts issued, by UTC date.
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.