Alert archive / Maryland / 2010
Weather alerts in Maryland, March 2010
63 weather alerts in March 2010, 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 March 2010. Tap one for its archive.
- Alerts
- 63
- Warnings
- 33
- Watches
- 7
- Advisories
- 20
- Busiest day
- March 13, 201024 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 |
|---|---|---|---|---|
| Mar 2, 5:22 AM EST | Coastal Flood Advisory | AKQ | Worcester | 44 hr |
| Mar 10, 4:19 AM EST | Flood Watch | PBZ | 4 days | |
| Mar 10, 5:46 AM EST | Flood Watch | LWX | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 5 more | 3 days |
| Mar 11, 3:42 PM EST | Flood Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 59 hr |
| Mar 12, 2:35 AM EST | Wind Advisory | PHI | Cecil | 46 hr |
| Mar 12, 4:11 AM EST | Wind Advisory | AKQ | Worcester | 24 hr |
| Mar 12, 4:35 AM EST | Flood Watch | AKQ | Dorchester, Somerset, Wicomico, Worcester | 24 hr |
| Mar 12, 8:07 AM EST | Dense Fog Advisory | PBZ | 5 hr | |
| Mar 12, 11:02 AM EST | Coastal Flood Watch | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 17 hr |
| Mar 12, 3:23 PM EST | Coastal Flood Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 41 hr |
| Mar 12, 3:56 PM EST | Coastal Flood Warning | AKQ | Worcester | 15 hr |
| Mar 12, 3:56 PM EST | High Surf Advisory | AKQ | Worcester | 24 hr |
| Mar 12, 5:54 PM EST | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 10 hr |
| Mar 12, 8:34 PM EST | River Flood Warning | LWX | Allegany | 30 hr |
| Mar 13, 12:23 AM EST | River Flood Warning | LWX | Garrett | 26 hr |
| Mar 13, 12:28 AM EST | River Flood Warning | LWX | Frederick | 11 hr |
| Mar 13, 4:09 AM EST | Coastal Flood Warning | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 4 days |
| Mar 13, 6:21 AM EST | Areal Flood Warning | LWX | Allegany | 6 hr |
| Mar 13, 8:05 AM EST | Areal Flood Warning | PBZ | Garrett | 5 hr |
| Mar 13, 10:06 AM EST | Areal Flood Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 8 hr |
| Mar 13, 10:25 AM EST | Areal Flood Warning | LWX | Frederick, Washington | 6 hr |
| Mar 13, 11:23 AM EST | Areal Flood Warning | LWX | Anne Arundel, Baltimore, Carroll, Howard, City of Baltimore | 10 hr |
| Mar 13, 11:42 AM EST | River Flood Warning | LWX | Allegany | 38 hr |
| Mar 13, 11:42 AM EST | River Flood Warning | LWX | Washington | 57 hr |
| Mar 13, 11:42 AM EST | River Flood Warning | LWX | Washington | 58 hr |
| Mar 13, 11:42 AM EST | River Flood Warning | LWX | Frederick | 72 hr |
| Mar 13, 12:00 PM EST | Areal Flood Warning | LWX | Harford | 10 hr |
| Mar 13, 12:12 PM EST | Areal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 93 min |
| Mar 13, 1:12 PM EST | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 3 days |
| Mar 13, 2:17 PM EST | Areal Flood Warning | LWX | Howard | 6 hr |
| Mar 13, 3:57 PM EST | Areal Flood Warning | PBZ | Garrett | 3 hr |
| Mar 13, 4:17 PM EST | Areal Flood Warning | LWX | Frederick, Washington | 8 hr |
| Mar 13, 4:37 PM EST | River Flood Warning | LWX | Allegany | 10 hr |
| Mar 13, 4:38 PM EST | River Flood Warning | LWX | Frederick | 29 hr |
| Mar 13, 4:38 PM EST | River Flood Warning | LWX | Montgomery | 69 hr |
| Mar 13, 4:38 PM EST | River Flood Warning | LWX | Washington | 52 hr |
| Mar 13, 4:38 PM EST | River Flood Warning | LWX | Washington | 27 hr |
| Mar 13, 8:16 PM EST | High Surf Advisory | AKQ | Worcester | 8 hr |
| Mar 13, 11:10 PM EST | Coastal Flood Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 3 days |
| Mar 14, 12:24 AM EST | Areal Flood Warning | LWX | Frederick, Washington | 6 hr |
| Mar 14, 4:40 AM EDT | Areal Flood Warning | LWX | Baltimore, Carroll, Howard, City of Baltimore | 4 hr |
| Mar 14, 7:19 AM EDT | Areal Flood Warning | LWX | Frederick, Washington | 6 hr |
| Mar 14, 11:39 AM EDT | Areal Flood Warning | LWX | Baltimore, Harford, City of Baltimore | 6 hr |
| Mar 15, 4:15 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 31 hr |
| Mar 16, 7:00 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 41 hr |
| Mar 22, 12:44 PM EDT | Mesoscale Discussion | SPC | Allegany, Frederick, Garrett, Montgomery, Washington | 2 hr |
| Mar 22, 2:48 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 27 min |
| Mar 22, 6:53 PM EDT | Mesoscale Discussion | SPC | Allegany, Carroll, Frederick, Garrett, Washington | 3 hr |
| Mar 22, 7:22 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 23 min |
| Mar 22, 8:09 PM EDT | Flash Flood Warning | LWX | Allegany | 99 min |
| Mar 28, 4:13 AM EDT | Coastal Flood Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 68 hr |
| Mar 28, 9:13 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 42 hr |
| Mar 28, 1:49 PM EDT | Flood Watch | LWX | Allegany, Anne Arundel, Baltimore, Carroll, Frederick, Prince George's and 2 more | 14 hr |
| Mar 29, 1:28 AM EDT | Flash Flood Warning | PHI | Cecil | 4 hr |
| Mar 29, 1:54 AM EDT | Mesoscale Discussion | SPC | Somerset | 36 min |
| Mar 29, 3:43 AM EDT | Areal Flood Warning | PHI | Caroline, Queen Anne's, Talbot | 25 hr |
| Mar 29, 7:15 AM EDT | Areal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 3 hr |
| Mar 29, 9:04 AM EDT | Flood Watch | LWX | Calvert, Saint Mary's | 6 hr |
| Mar 29, 9:57 AM EDT | Areal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 93 min |
| Mar 29, 11:15 AM EDT | Coastal Flood Warning | AKQ | Dorchester, Somerset, Wicomico | 11 hr |
| Mar 29, 11:15 AM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 17 hr |
| Mar 29, 11:40 AM EDT | Areal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 110 min |
| Mar 30, 1:51 PM EDT | Areal Flood Warning | PHI | Cecil | 8 hr |
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 Warning | 2 |
| Mesoscale Discussion | 3 |
| Flooding | |
| Areal Flood Warning | 14 |
| Flash Flood Warning | 2 |
| River Flood Warning | 12 |
| Flood Watch | 6 |
| Areal Flood Advisory | 5 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Coast and beach | |
| Coastal Flood Warning | 3 |
| Coastal Flood Watch | 1 |
| Coastal Flood Advisory | 10 |
| High Surf Advisory | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Worcester County12
- Washington County12
- Baltimore County11
- Frederick County11
- City of Baltimore11
- Allegany County10
- Anne Arundel County9
- Somerset County9
- Calvert County8
- Charles County8
- Prince George's County8
- Saint Mary's County8
- Cecil County8
- Dorchester County8
- Wicomico County8
- Caroline County6
- Queen Anne's County6
- Talbot County6
- Carroll County5
- Kent County5
- Garrett County5
- Howard County3
- Harford County2
- Montgomery County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.