Alert archive / Maryland / 2011
Weather alerts in Maryland, December 2011
40 weather alerts in December 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in December 2011. Tap one for its archive.
- Alerts
- 40
- Warnings
- 8
- Watches
- 6
- Advisories
- 13
- Busiest day
- December 27, 201113 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Dec 4, 10:44 PM EST | Dense Fog Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 11 hr |
| Dec 5, 2:08 AM EST | Dense Fog Advisory | LWX | Anne Arundel, Baltimore, Calvert, Saint Mary's, City of Baltimore | 7 hr |
| Dec 5, 2:21 AM EST | Dense Fog Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 7 hr |
| Dec 6, 4:19 AM EST | Winter Storm Watch | PBZ | 12 hr | |
| Dec 6, 1:45 PM EST | Winter Storm Watch | LWX | Allegany | 15 hr |
| Dec 6, 3:10 PM EST | Flood Watch | PHI | Cecil | 36 hr |
| Dec 6, 4:02 PM EST | Winter Storm Warning | PBZ | 29 hr | |
| Dec 6, 8:24 PM EST | Flood Watch | LWX | Allegany, Anne Arundel, Baltimore, Carroll, Frederick, Prince George's and 2 more | 29 hr |
| Dec 7, 3:45 AM EST | Wind Advisory | PHI | Caroline, Queen Anne's, Talbot | 24 hr |
| Dec 7, 4:30 AM EST | Winter Storm Warning | LWX | Allegany | 18 hr |
| Dec 7, 4:30 AM EST | Winter Weather Advisory | LWX | Allegany, Baltimore, Carroll, Frederick, Washington, City of Baltimore | 20 hr |
| Dec 7, 6:51 AM EST | Areal Flood Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 4 hr |
| Dec 7, 2:08 PM EST | Areal Flood Warning | LWX | Charles, Montgomery, Prince George's | 14 hr |
| Dec 7, 2:18 PM EST | Wind Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 11 hr |
| Dec 7, 2:44 PM EST | Mesoscale Discussion | SPC | Allegany, Garrett | 3 hr |
| Dec 7, 5:56 PM EST | Severe Thunderstorm Watch | SPC | Dorchester, Somerset, Wicomico, Worcester | 4 hr |
| Dec 7, 6:11 PM EST | Areal Flood Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 8 hr |
| Dec 7, 7:19 PM EST | Mesoscale Discussion | SPC | Calvert, Caroline, Dorchester, Queen Anne's, Saint Mary's, Somerset and 3 more | 26 min |
| Dec 7, 7:39 PM EST | Areal Flood Warning | LWX | Anne Arundel, Charles, Prince George's, Saint Mary's | 6 hr |
| Dec 7, 8:45 PM EST | Mesoscale Discussion | SPC | Somerset, Wicomico, Worcester | 60 min |
| Dec 7, 9:36 PM EST | Areal Flood Warning | LWX | Anne Arundel, Baltimore, Howard, Montgomery, Prince George's, City of Baltimore | 4 hr |
| Dec 7, 10:11 PM EST | River Flood Warning | LWX | Montgomery | 7 hr |
| Dec 8, 2:39 AM EST | River Flood Watch | LWX | Frederick | 24 hr |
| Dec 8, 4:43 AM EST | Areal Flood Warning | PHI | Cecil | 6 hr |
| Dec 15, 11:40 AM EST | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, City of Baltimore | 12 hr |
| Dec 15, 6:19 PM EST | Special Weather Statement | PBZ | Garrett | 86 min |
| Dec 27, 3:41 AM EST | Wind Advisory | PHI | Caroline, Talbot | 18 hr |
| Dec 27, 3:44 AM EST | Coastal Flood Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 19 hr |
| Dec 27, 4:05 AM EST | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 21 hr |
| Dec 27, 4:21 AM EST | Winter Weather Advisory | PBZ | 24 hr | |
| Dec 27, 6:37 AM EST | Winter Weather Advisory | LWX | Allegany | 23 hr |
| Dec 27, 2:23 PM EST | Coastal Flood Statement | AKQ | Dorchester, Somerset, Wicomico | 9 hr |
| Dec 27, 3:02 PM EST | Special Weather Statement | AKQ | Somerset | 43 min |
| Dec 27, 4:08 PM EST | Special Weather Statement | AKQ | Worcester | 22 min |
| Dec 27, 4:46 PM EST | Special Weather Statement | PHI | Kent, Queen Anne's, Talbot | 59 min |
| Dec 27, 4:48 PM EST | Special Weather Statement | AKQ | Dorchester | 42 min |
| Dec 27, 5:28 PM EST | Special Weather Statement | AKQ | Dorchester | 32 min |
| Dec 27, 6:08 PM EST | Special Weather Statement | PHI | Caroline | 52 min |
| Dec 27, 6:31 PM EST | Special Weather Statement | AKQ | Wicomico, Worcester | 44 min |
| Dec 27, 7:14 PM EST | Special Weather Statement | AKQ | Worcester | 31 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 3 |
| Special Weather Statement | 9 |
| Flooding | |
| Areal Flood Warning | 5 |
| River Flood Warning | 1 |
| Flood Watch | 2 |
| River Flood Watch | 1 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
| Coast and beach | |
| Coastal Flood Advisory | 3 |
| Coastal Flood Statement | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Caroline County8
- Talbot County8
- Worcester County8
- Queen Anne's County7
- Dorchester County7
- Somerset County7
- Wicomico County7
- Cecil County6
- Anne Arundel County6
- Baltimore County6
- City of Baltimore6
- Allegany County6
- Kent County5
- Prince George's County5
- Saint Mary's County4
- Calvert County3
- Frederick County3
- Charles County3
- Montgomery County3
- Carroll County2
- Washington County2
- Garrett County2
- Howard County1
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. Rebuilt daily.