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Home Return to list Flash Flood Warning 0099 Issued by the Mount Holly / Philadelphia Forecast Office
Action: New Issued At: 2026-08-05 13:17:24
237
WGUS51 KPHI 051817
FFWPHI
PAC017-091-052215-
/O.NEW.KPHI.FF.W.0099.260805T1817Z-260805T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
217 PM EDT Wed Aug 5 2026
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
Southeastern Bucks County in southeastern Pennsylvania...
Southeastern Montgomery County in southeastern Pennsylvania...
* Until 615 PM EDT.
* At 217 PM EDT, Doppler radar indicated heavy rain beginning to
move into the warned area. The expected rainfall rate is 0.5 to 1
inch in 30 minutes. Rainfall amounts up to 2 inches are possible
in the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.
* Some locations that may experience flash flooding include...
Philadelphia, Lansdale, East Norriton, Doylestown, Hatboro,
Ambler, Chalfont, New Hope, Yardley, Newtown, Abington and
Langhorne.
This includes the following highways...
Northeast Extension between mile markers 21 and 28.
Pennsylvania Turnpike between mile markers 333 and 349.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...dont drown when encountering flooded roads. Most
flood deaths occur in vehicles.
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 4027 7523 4036 7497 4021 7480 4018 7489
4009 7522 4009 7523 4007 7528 4022 7534
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...0.5-1 INCH IN 30 MINUTES
$$
Fitzsimmons
Action: Continued Issued At: 2026-08-05 15:13:24
447
WGUS71 KPHI 052013
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
413 PM EDT Wed Aug 5 2026
PAC017-091-052215-
/O.CON.KPHI.FF.W.0099.000000T0000Z-260805T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bucks PA-Montgomery PA-
413 PM EDT Wed Aug 5 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM EDT THIS
EVENING FOR SOUTHEASTERN BUCKS AND SOUTHEASTERN MONTGOMERY
COUNTIES...
At 413 PM EDT, Doppler radar and automated rain gauges indicated
rain amounts of 1 to 2 inches have fallen within portions of the
warned area leading to reports of flash flooding. Additional
rainfall amounts up to 1 inch are possible in the warned area as
more heavy rainfall moves through late this afternoon. Flash
flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.
Some locations that may experience flash flooding include...
Philadelphia, Lansdale, East Norriton, Doylestown, Hatboro,
Ambler, Chalfont, New Hope, Yardley, Newtown, Abington and
Langhorne.
This includes the following highways...
Northeast Extension between mile markers 21 and 28.
Pennsylvania Turnpike between mile markers 333 and 348.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...dont drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 4027 7523 4036 7497 4021 7480 4018 7489
4009 7522 4009 7523 4007 7528 4022 7534
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
Fitzsimmons
Action: Expired Issued At: 2026-08-05 17:05:58
373
WGUS71 KPHI 052205
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
605 PM EDT Wed Aug 5 2026
PAC017-091-052215-
/O.EXP.KPHI.FF.W.0099.000000T0000Z-260805T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bucks PA-Montgomery PA-
605 PM EDT Wed Aug 5 2026
...FLASH FLOOD WARNING WILL EXPIRE AT 615 PM EDT THIS EVENING FOR
SOUTHEASTERN BUCKS AND SOUTHEASTERN MONTGOMERY COUNTIES...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
&&
LAT...LON 4027 7523 4036 7497 4021 7480 4018 7489
4009 7522 4009 7523 4007 7528 4022 7534
$$
Fitzsimmons
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