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Home Return to list Flash Flood Warning 0038 Issued by the Baltimore / Washington Forecast Office
Action: New Issued At: 2026-08-11 00:22:12
504
WGUS51 KLWX 110521
FFWLWX
MDC023-110815-
/O.NEW.KLWX.FF.W.0038.260811T0521Z-260811T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Baltimore MD/Washington DC
121 AM EDT Tue Aug 11 2026
The National Weather Service in Sterling Virginia has issued a
* Flash Flood Warning for...
Northern Garrett County in western Maryland...
* Until 415 AM EDT.
* At 121 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 0.5 and 2 inches of
rain have fallen. The expected rainfall rate is 0.75 to 1.5 inches
in 1 hour. 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...
Bittinger... Grantsville...
Friendsville... Accident...
Jennings... Keysers Ridge...
New Germany... Mineral Spring...
Merrill... Selbysport...
Piney Grove...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3957 7948 3972 7948 3972 7893 3958 7901
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...0.75-1.5 INCHES IN 1 HOUR
$$
EST
Action: Continued Issued At: 2026-08-11 01:51:14
268
WGUS71 KLWX 110650
FFSLWX
Flash Flood Statement
National Weather Service Baltimore MD/Washington DC
250 AM EDT Tue Aug 11 2026
MDC023-110815-
/O.CON.KLWX.FF.W.0038.000000T0000Z-260811T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Garrett MD-
250 AM EDT Tue Aug 11 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 AM EDT EARLY THIS
MORNING FOR NORTHERN GARRETT COUNTY...
At 250 AM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 1.5 and 3.5 inches of rain have
fallen. The expected rainfall rate is 0.75 to 1.5 inches in 1 hour.
Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Bittinger... Grantsville...
Friendsville... Accident...
Jennings... Keysers Ridge...
New Germany... Mineral Spring...
Merrill... Selbysport...
Piney Grove...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3957 7948 3972 7948 3972 7893 3958 7901
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...0.75-1.5 INCHES IN 1 HOUR
$$
EST
Action: Time Extended Issued At: 2026-08-11 02:50:46
978
WGUS51 KLWX 110750
FFWLWX
MDC023-110845-
/O.EXT.KLWX.FF.W.0038.000000T0000Z-260811T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Baltimore MD/Washington DC
350 AM EDT Tue Aug 11 2026
The National Weather Service in Sterling Virginia has extended the
* Flash Flood Warning for...
Northern Garrett County in western Maryland...
* Until 445 AM EDT.
* At 350 AM EDT, Local law enforcement reports several homes with
flooded basements between Grantsville and Bittinger. Between 1.5
and 4 inches of rain have fallen. The expected rainfall rate is
0.25 to 0.5 inches in 1 hour. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement reported.
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...
Bittinger... Grantsville...
Friendsville... Accident...
Jennings... Keysers Ridge...
New Germany... Mineral Spring...
Merrill... Selbysport...
Piney Grove...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3957 7948 3972 7948 3972 7893 3958 7901
FLASH FLOOD...OBSERVED
EXPECTED RAINFALL RATE...0.25-0.5 INCHES IN 1 HOUR
$$
EST
Action: Time Extended Issued At: 2026-08-11 03:12:16
677
WGUS51 KLWX 110812
FFWLWX
MDC023-111000-
/O.EXT.KLWX.FF.W.0038.000000T0000Z-260811T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Baltimore MD/Washington DC
412 AM EDT Tue Aug 11 2026
The National Weather Service in Sterling Virginia has extended the
* Flash Flood Warning for...
Northern Garrett County in western Maryland...
* Until 600 AM EDT.
* At 412 AM EDT, Emergency management reports an ongoing water
rescue in the vicinity of the Casselman River and Bittinger Road.
Several homes have also been reported to have flooded basements
between Grantsville and Bittinger. Between 1.5 and 4 inches of
rain have fallen. The expected rainfall rate is 0.25 to 0.5 inches
in 1 hour. Flash flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Emergency management reported.
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...
Bittinger... Grantsville...
Friendsville... Accident...
Jennings... Keysers Ridge...
New Germany... Mineral Spring...
Merrill... Selbysport...
Piney Grove...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3957 7948 3972 7948 3972 7893 3958 7901
FLASH FLOOD...OBSERVED
EXPECTED RAINFALL RATE...0.25-0.5 INCHES IN 1 HOUR
$$
EST
Action: Cancelled Issued At: 2026-08-11 04:35:34 133 WGUS71 KLWX 110935 FFSLWX Flash Flood Statement National Weather Service Baltimore MD/Washington DC 535 AM EDT Tue Aug 11 2026 MDC023-110945- /O.CAN.KLWX.FF.W.0038.000000T0000Z-260811T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Garrett MD- 535 AM EDT Tue Aug 11 2026 ...FLASH FLOOD WARNING FOR NORTHERN GARRETT COUNTY HAS BEEN REPLACED WITH A FLOOD WARNING... Several roads remained closed this morning mainly along the Cassleman River as water continues to overflow its banks. The river has risen to 4.99 feet as of 430am this morning (which is a 4 feet rise since 1am) and has slowly started to crest. Expect flooding to continue over the next few hours. Roads closures include Dung Hill Road, Durst Road, Bittinger Road, Maple Grove ROad, and Jennings Road. && LAT...LON 3957 7948 3972 7948 3972 7893 3958 7901 $$ EST | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||