Alert archive / Maryland / Heat Advisories
Heat Advisories in Maryland, 2011
20 heat advisories 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 heat advisories reaches back to 2005.
Heat Advisories by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Heat Advisories
- 20
- Busiest month
- July14 heat advisories
- Busiest day
- July 11, 20113 heat 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 |
|---|---|---|---|---|
| May 29, 1:46 PM EDT | Heat Advisory | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 3 more | 31 hr |
| May 30, 8:37 PM EDT | Heat Advisory | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 3 more | 23 hr |
| May 31, 1:26 PM EDT | Heat Advisory | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 3 more | 31 hr |
| Jun 7, 1:33 PM EDT | Heat Advisory | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 3 more | 30 hr |
| Jun 7, 3:15 PM EDT | Heat Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 53 hr |
| Jun 8, 1:28 PM EDT | Heat Advisory | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 4 more | 31 hr |
| Jul 11, 1:31 PM EDT | Heat Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 23 hr |
| Jul 11, 3:13 PM EDT | Heat Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 29 hr |
| Jul 11, 3:35 PM EDT | Heat Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 28 hr |
| Jul 20, 11:32 AM EDT | Heat Advisory | PBZ | 30 hr | |
| Jul 20, 4:26 PM EDT | Heat Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 38 hr |
| Jul 20, 8:16 PM EDT | Heat Advisory | LWX | Allegany | 24 hr |
| Jul 20, 8:16 PM EDT | Heat Advisory | LWX | Allegany | 48 hr |
| Jul 21, 3:38 PM EDT | Heat Advisory | LWX | Allegany, Washington | 52 hr |
| Jul 23, 3:29 PM EDT | Heat Advisory | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 3 more | 29 hr |
| Jul 23, 3:44 PM EDT | Heat Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 28 hr |
| Jul 24, 3:48 AM EDT | Heat Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 16 hr |
| Jul 28, 12:53 PM EDT | Heat Advisory | LWX | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 5 more | 31 hr |
| Jul 28, 2:00 PM EDT | Heat Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 30 hr |
| Jul 28, 3:53 PM EDT | Heat Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 30 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Anne Arundel County8
- Baltimore County8
- Calvert County8
- Charles County8
- Prince George's County8
- Saint Mary's County8
- City of Baltimore8
- Carroll County7
- Frederick County7
- Caroline County4
- Cecil County4
- Kent County4
- Queen Anne's County4
- Talbot County4
- Dorchester County4
- Somerset County4
- Wicomico County4
- Worcester County4
- Allegany County4
- Washington County3
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.