Baltimore County, MD
Alerts
Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.
In effect from Tuesday 07/21 6:00 PM EDT – Tuesday 07/21 9:00 PM EDT
Issued by NWS Baltimore MD/Washington DC
FFWLWX
The National Weather Service in Sterling Virginia has issued a
* Flash Flood Warning for... Southwestern Baltimore County in northern Maryland... Baltimore City in northern Maryland...
* Until 900 PM EDT.
* At 600 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 0.5 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include... Baltimore... Pikesville... Towson... Woodlawn... Parkville... Carney... Milford Mill... Perry Hall... Lochearn... Rosedale... Rossville... White Marsh... Hampton... Eudowood... Loch Raven Village... Fullerton...
What to Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Areas Impacted
- Baltimore, MD
- Baltimore City, MD
Tips to Stay Safe
A Flash Flood Warning means that dangerous flooding is expected or already happening. Flash flooding can develop in hours or minutes, so take protective action now.
- If you are in a low-lying or flood prone area, move to higher ground immediately.
- Stay off bridges over fast-moving water, and away from storm drains, culverts, creeks and streams.
- Never walk, swim, or drive through flood waters or flooded roads.
- If you are trapped in a building, move to the highest floor and call 911. Go to the roof only if necessary.
- If your vehicle is trapped in rapidly moving water, stay inside. If water is rising inside the vehicle, move to the roof and signal for help.
In effect from Tuesday 07/21 6:21 PM EDT – Tuesday 07/21 9:30 PM EDT
Issued by NWS Baltimore MD/Washington DC
FFWLWX
The National Weather Service in Sterling Virginia has issued a
* Flash Flood Warning for... North Central Anne Arundel County in central Maryland... Southeastern Baltimore County in northern Maryland... Baltimore City in northern Maryland...
* Until 930 PM EDT.
* At 621 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1.5 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include... Baltimore... Middle River... Sparrows Point... Back River... North Point State Park... Glen Burnie... Dundalk... Catonsville... Essex... Woodlawn... Pasadena... Arbutus... Rosedale... Ferndale... Rossville... Brooklyn Park... Pumphrey... Linthicum... Edgemere...
What to Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Areas Impacted
- Anne Arundel, MD
- Baltimore, MD
- Baltimore City, MD
Tips to Stay Safe
A Flash Flood Warning means that dangerous flooding is expected or already happening. Flash flooding can develop in hours or minutes, so take protective action now.
- If you are in a low-lying or flood prone area, move to higher ground immediately.
- Stay off bridges over fast-moving water, and away from storm drains, culverts, creeks and streams.
- Never walk, swim, or drive through flood waters or flooded roads.
- If you are trapped in a building, move to the highest floor and call 911. Go to the roof only if necessary.
- If your vehicle is trapped in rapidly moving water, stay inside. If water is rising inside the vehicle, move to the roof and signal for help.
In effect from Tuesday 07/21 2:47 PM EDT – Tuesday 07/21 10:00 PM EDT
Issued by NWS Baltimore MD/Washington DC
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 509 IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR THE FOLLOWING AREAS
THE DISTRICT OF COLUMBIA
Areas Impacted
Counties in Central Maryland
- Anne Arundel
- Howard
- Montgomery
- Prince Georges
Counties in North Central Maryland
- Carroll
- Frederick
- Washington
Counties in Northeast Maryland
- Cecil
Counties in Northern Maryland
- Baltimore
- Baltimore City
- Harford
Counties in Southern Maryland
- Calvert
- Charles
- St. Marys
Counties in Western Maryland
- Allegany
- Garrett
Counties in Central Virginia
- Albemarle
- City Of Charlottesville
- City Of Fredericksburg
- Greene
- King George
- Nelson
- Orange
- Spotsylvania
Counties in Northern Virginia
- Arlington
- City Of Alexandria
- City Of Fairfax
- City Of Falls Church
- City Of Manassas
- City Of Manassas Park
- Culpeper
- Fairfax
- Fauquier
- Loudoun
- Prince William
- Stafford
Counties in Northwest Virginia
- City Of Winchester
- Clarke
- Frederick
- Madison
- Page
- Rappahannock
- Shenandoah
- Warren
Counties in Western Virginia
- Augusta
- City Of Harrisonburg
- City Of Staunton
- City Of Waynesboro
- Highland
- Rockingham
Counties in Eastern West Virginia
- Grant
- Hampshire
- Hardy
- Mineral
- Pendleton
Counties in Panhandle West Virginia
- Berkeley
- Jefferson
- Morgan
Counties in Lake Park, Mustoe, Nasons, New Creek, Oak Flat,
- Ams Morgan
- Aden
- Airlie
- Albin
- Alexandria
- Alonzaville
- Alsop
- Andora
- Annandale
- Annapolis
- Antioch
- Appleton
- Arco
- Arkendale
- Arlington
- Arnold
- Bakerton
- Ballenger Creek
- Ballston
- Baltimore
- Barcroft
- Barksdale
- Bay View
- Bean Settlement
- Bentonville
- Berkeley Spgs
- Berryville
- Berryville
- Bethel
- Bethesda
- Blake
- Bloomery
- Bohemias Mills
- Bowie
- Boyds
- Brady
- Brake
- Brandywine
- Brantwood
- Brokenburg
- Brookfield
- Broomes Island
- Buckeystown
- Buckton
- Burke
- Burr Hill
- Bynum
- Cabins
- California
- Callaway
- Cardova
- Catalpa
- Catonsville
- Cedar Grove
- Cedarville
- Chantilly
- Charles Town
- Charlottesville
- Cherrydale
- Chesapeake Beach
- Chester Gap
- Christian
- Churchville
- Clarksville
- Clary
- Clinton
- Clover Creek
- College Park
- Columbia
- Compton
- Countryside
- Cove Point
- Culpeper
- Cumberland
- Dahlgren
- Dale City
- Dameron
- Drum Point
- Dulles International Airport
- Dundalk
- Dunkirk
- Edgewood
- Eldersburg
- Ellerslie
- Essex
- Everona
- Fairfax
- Fairfax Station
- Fairview
- Falls Church
- Falmouth
- Fells Point
- Fisher
- Five Forks
- Fordsville
- Fort Ashby
- Four Corners
- Franklin
- Frederick
- Fredericksburg
- Frenchburg
- Front Royal
- Frostburg
- Gainesboro
- Gaithersburg
- Gamber
- Garrisonville
- Gatewood
- Germantown
- Gleedsville
- Glen Burnie
- Glen Echo
- Glendie
- Glenmont
- Grantsville
- Greenbelt
- Greenfield
- Hagerstown
- Halfway
- Hamburg
- Hancock
- Harford Furnace
- Harrisonburg
- Hawkinstown
- Headsville
- Hickory
- Hightown
- Historic Ellicott City
- Howellsville
- Independent Hill
- Keyser
- Kimball
- Kline Gap
- Lahore
- Lake Ridge
- Landes
- Langley
- Leesburg
- Lexington Park
- Liberty
- Linville
- Long Beach
- Lucketts
- Luray
- Madison Mills
- Madison Run
- Magnolia
- Magnolia
- Manassas
- Manassas Park
- Martinsburg
- Masonville
- Massaponax
- Mccoole
- Mcdowell
- Mclean
- Mcneill
- Middleway
- Mill Gap
- Millville
- Montclair
- Montebello
- Monterey
- Montpelier
- Moorefield
- Mount Clifton
- Mount Harmony
- Mount Jackson
- Mountain Lake Park
- Mustoe
- Nasons
- New Creek
- Oak Flat
- Oak Grove
- Oakland
- Orange
- Overton
- Park Heights
- Park Mills
- Parkville
- Partlow
- Paw Paw
- Petersburg
- Piney Point
- Points
- Post Oak
- Purgitsville
- Randallstown
- Ranson
- Rapidan
- Rawlings
- Reagan National Airport
- Reston
- Reva
- Ridge
- Ridgeville
- Ridgeway
- Rileyville
- Rivercrest
- Riverton
- Rollins Fork
- Romney
- Rosslyn
- Ruddle
- Russelldale
- Severn
- Severna Park
- Seymourville
- Shady Grove
- Shady Grove
- Shenandoah Junction
- Shiloh
- Silver Spring
- Simpsonville
- Skyland
- Smith Crossroads
- Sotterley
- South Gate
- Spotsylvania Court
- Spottswood
- Springfield
- St. Charles
- Staunton
- Sterling Park
- Stevensburg
- Strasburg
- Stringtown
- Stuarts Draft
- Sugar Grove
- Suitland-silver Hill
- Tantallon
- Three Churches
- Towson
- Turnbull
- Twymans Mill
- Unionville
- Waldorf
- Wapocomo
- Warrenton
- Washington
- Waynesboro
- Welton
- Westminster
- Widewater
- Winchester
- Winston
- Woodbridge
- Woodlawn
- Woodstock
- And Woodstock.
Including these cities
- Aberdeen
- Abingdon
- Adams Morgan
- Aden
- Airlie
- Albin
- Alexandria
- Alonzaville
- Alsop
- Andora
- Annandale
- Annapolis
- Antioch
- Appleton
- Arco
- Arkendale
- Arlington
- Arnold
- Bakerton
- Ballenger Creek
- Ballston
- Baltimore
- Barcroft
- Barksdale
- Bay View
- Bean Settlement
- Bentonville
- Berkeley Spgs
- Berryville
- Berryville
- Bethel
- Bethesda
- Blake
- Bloomery
- Bohemias Mills
- Bowie
- Boyds
- Brady
- Brake
- Brandywine
- Brantwood
- Brokenburg
- Brookfield
- Broomes Island
- Buckeystown
- Buckton
- Burke
- Burr Hill
- Bynum
- Cabins
- California
- Callaway
- Cardova
- Catalpa
- Catonsville
- Cedar Grove
- Cedarville
- Chantilly
- Charles Town
- Charlottesville
- Cherrydale
- Chesapeake Beach
- Chester Gap
- Christian
- Churchville
- Clarksville
- Clary
- Clinton
- Clover Creek
- College Park
- Columbia
- Compton
- Countryside
- Cove Point
- Culpeper
- Cumberland
- Dahlgren
- Dale City
- Dameron
- Drum Point
- Dulles International Airport
- Dundalk
- Dunkirk
- Edgewood
- Eldersburg
- Ellerslie
- Essex
- Everona
- Fairfax
- Fairfax Station
- Fairview
- Falls Church
- Falmouth
- Fells Point
- Fisher
- Five Forks
- Fordsville
- Fort Ashby
- Four Corners
- Franklin
- Frederick
- Fredericksburg
- Frenchburg
- Front Royal
- Frostburg
- Gainesboro
- Gaithersburg
- Gamber
- Garrisonville
- Gatewood
- Germantown
- Gleedsville
- Glen Burnie
- Glen Echo
- Glendie
- Glenmont
- Grantsville
- Greenbelt
- Greenfield
- Hagerstown
- Halfway
- Hamburg
- Hancock
- Harford Furnace
- Harrisonburg
- Hawkinstown
- Headsville
- Hickory
- Hightown
- Historic Ellicott City
- Howellsville
- Independent Hill
- Keyser
- Kimball
- Kline Gap
- Lahore
- Lake Ridge
- Landes
- Langley
- Leesburg
- Lexington Park
- Liberty
- Linville
- Long Beach
- Lucketts
- Luray
- Madison Mills
- Madison Run
- Magnolia
- Magnolia
- Manassas
- Manassas Park
- Martinsburg
- Masonville
- Massaponax
- Mccoole
- Mcdowell
- Mclean
- Mcneill
- Middleway
- Mill Gap
- Millville
- Montclair
- Montebello
- Monterey
- Montpelier
- Moorefield
- Mount Clifton
- Mount Harmony
- Mount Jackson
- Mountain Lake Park
- Mustoe
- Nasons
- New Creek
- Oak Flat
- Oak Grove
- Oakland
- Orange
- Overton
- Park Heights
- Park Mills
- Parkville
- Partlow
- Paw Paw
- Petersburg
- Piney Point
- Points
- Post Oak
- Purgitsville
- Randallstown
- Ranson
- Rapidan
- Rawlings
- Reagan National Airport
- Reston
- Reva
- Ridge
- Ridgeville
- Ridgeway
- Rileyville
- Rivercrest
- Riverton
- Rollins Fork
- Romney
- Rosslyn
- Ruddle
- Russelldale
- Severn
- Severna Park
- Seymourville
- Shady Grove
- Shady Grove
- Shenandoah Junction
- Shiloh
- Silver Spring
- Simpsonville
- Skyland
- Smith Crossroads
- Sotterley
- South Gate
- Spotsylvania Court
- Spottswood
- Springfield
- St. Charles
- Staunton
- Sterling Park
- Stevensburg
- Strasburg
- Stringtown
- Stuarts Draft
- Sugar Grove
- Suitland-silver Hill
- Tantallon
- Three Churches
- Towson
- Turnbull
- Twymans Mill
- Unionville
- Waldorf
- Wapocomo
- Warrenton
- Washington
- Waynesboro
- Welton
- Westminster
- Widewater
- Winchester
- Winston
- Woodbridge
- Woodlawn
- Woodstock
- Woodstock
In effect from Tuesday 07/21 6:17 PM EDT – Wednesday 07/22 2:00 AM EDT
Issued by NWS Baltimore MD/Washington DC
What
Flash flooding caused by excessive rainfall continues to be possible.
Where
Portions of central, north central, northeast, and northern Maryland, including the following areas, in central Maryland, Central and Southeast Howard, Central and Southeast Montgomery, Northwest Howard and Northwest Montgomery. In north central Maryland, Carroll and Frederick. In northeast Maryland, Cecil. In northern Maryland, Northern Baltimore, Northwest Harford, Southeast Harford and Southern Baltimore.
When
Until 2 AM EDT Wednesday.
Impacts
Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Extensive street flooding and flooding of creeks and rivers are possible.
Additional Details
- Repeated very heavy rain may result in areas of 3 to 6 inches of rainfall and considerable flash flooding this evening. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information
What to Do
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Areas Impacted
- Frederick
- Carroll
- Northern Baltimore
- Cecil
- Southern Baltimore
- Northwest Montgomery
- Central and Southeast Montgomery
- Northwest Howard
- Central and Southeast Howard
- Northwest Harford
- Southeast Harford
Tips to Stay Safe
A Flood Watch means the area may experience a dangerous flooding event, and being prepared may save lives and property.
- Be aware of low-lying areas along your travel routes that are most likely to flood.
- Check your home’s emergency supplies, and make sure all members of the household know your emergency plan.
- Stay tuned for local weather updates on the situation as it develops.
If a Flood Warning is issued, it means that dangerous flooding is expected or already happening.
- Never walk, swim, or drive through flood waters or flooded roads.
- Stay away from areas where water levels can rise rapidly, like storm drains, culverts, creeks and streams.
If your home is likely to flood, or if authorities tell you to evacuate, do so immediately and move to higher ground.
Briefing
From the Forecaster
Three Day Forecast (July 21-23)
Created by the NWS Baltimore MD/Washington WFO
Strong to severe thunderstorms are likely today, with multiple rounds possible. Damaging winds, large hail, and an isolated tornado are possible. Some showers and thunderstorms may linger Wednesday east of the Blue Ridge Mountains. Cooler and less humid air arrives for Thursday.
Seven-day Weather Risk Overview
The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.
|
|
|
|
|
|
|
|
|
|---|---|---|---|---|---|---|---|
| risk level |
|
|
|
|
|
|
|