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Home Return to list Flash Flood Warning 0086 Issued by the Mount Holly / Philadelphia Forecast Office
Action: New Issued At: 2026-08-02 22:21:05
944
WGUS51 KPHI 030320
FFWPHI
NJC041-PAC011-017-077-091-095-030730-
/O.NEW.KPHI.FF.W.0086.260803T0320Z-260803T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
1120 PM EDT Sun Aug 2 2026
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
Southwestern Warren County in northwestern New Jersey...
East Central Berks County in eastern Pennsylvania...
Eastern Lehigh County in eastern Pennsylvania...
Northampton County in eastern Pennsylvania...
Northwestern Bucks County in southeastern Pennsylvania...
Northwestern Montgomery County in southeastern Pennsylvania...
* Until 330 AM EDT.
* At 1120 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
0.5 and 1.5 inches of rain have fallen. The expected rainfall rate
is 1 to 2 inches in 1 hour. 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 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...
Allentown, Easton, Bethlehem, Forks, Emmaus, Northampton,
Quakertown, Wilson, Hellertown, Nazareth, East Greenville and Wind
Gap.
This includes the following highways...
Northeast Extension between mile markers 32 and 60.
Interstate 78 in Pennsylvania between mile markers 54 and 76.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...dont drown when encountering flooded roads. Most
flood deaths occur in vehicles.
&&
LAT...LON 4066 7558 4082 7544 4082 7542 4083 7542
4083 7541 4083 7539 4083 7538 4085 7534
4086 7532 4086 7530 4086 7529 4082 7514
4060 7523 4033 7533 4024 7536 4030 7558
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
$$
Cooper
Action: Cancelled Issued At: 2026-08-02 22:59:06
857
WGUS71 KPHI 030358
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
1158 PM EDT Sun Aug 2 2026
PAC011-091-030408-
/O.CAN.KPHI.FF.W.0086.000000T0000Z-260803T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Berks PA-Montgomery PA-
1158 PM EDT Sun Aug 2 2026
...FLASH FLOOD WARNING IS CANCELLED FOR EAST CENTRAL BERKS AND
NORTHWESTERN MONTGOMERY COUNTIES...
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
A Flood Watch remains in effect until 1100 PM EDT Monday for
portions of northern Delaware, New Jersey, and Pennsylvania.
&&
LAT...LON 4082 7544 4083 7538 4086 7530 4082 7514
4033 7533 4048 7558 4066 7558
$$
NJC041-PAC017-077-095-030730-
/O.CON.KPHI.FF.W.0086.000000T0000Z-260803T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Warren NJ-Bucks PA-Lehigh PA-Northampton PA-
1158 PM EDT Sun Aug 2 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 AM EDT MONDAY FOR
SOUTHWESTERN WARREN, EASTERN LEHIGH, NORTHAMPTON AND NORTHWESTERN
BUCKS COUNTIES...
At 1158 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
0.5 and 1.5 inches of rain have fallen. The expected rainfall rate
is 1 to 2 inches in 1 hour. Additional rainfall amounts up to 1 inch
are possible in the warned area. 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...
Allentown, Easton, Bethlehem, Forks, Emmaus, Northampton,
Quakertown, Wilson, Hellertown, Nazareth, Wind Gap and Bath.
This includes the following highways...
Northeast Extension between mile markers 39 and 60.
Interstate 78 in Pennsylvania between mile markers 54 and 76.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...dont drown when encountering flooded roads. Most
flood deaths occur in vehicles.
&&
LAT...LON 4082 7544 4083 7538 4086 7530 4082 7514
4033 7533 4048 7558 4066 7558
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
$$
Cooper
Action: Continued Issued At: 2026-08-02 22:59:06
857
WGUS71 KPHI 030358
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
1158 PM EDT Sun Aug 2 2026
PAC011-091-030408-
/O.CAN.KPHI.FF.W.0086.000000T0000Z-260803T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Berks PA-Montgomery PA-
1158 PM EDT Sun Aug 2 2026
...FLASH FLOOD WARNING IS CANCELLED FOR EAST CENTRAL BERKS AND
NORTHWESTERN MONTGOMERY COUNTIES...
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
A Flood Watch remains in effect until 1100 PM EDT Monday for
portions of northern Delaware, New Jersey, and Pennsylvania.
&&
LAT...LON 4082 7544 4083 7538 4086 7530 4082 7514
4033 7533 4048 7558 4066 7558
$$
NJC041-PAC017-077-095-030730-
/O.CON.KPHI.FF.W.0086.000000T0000Z-260803T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Warren NJ-Bucks PA-Lehigh PA-Northampton PA-
1158 PM EDT Sun Aug 2 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 AM EDT MONDAY FOR
SOUTHWESTERN WARREN, EASTERN LEHIGH, NORTHAMPTON AND NORTHWESTERN
BUCKS COUNTIES...
At 1158 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
0.5 and 1.5 inches of rain have fallen. The expected rainfall rate
is 1 to 2 inches in 1 hour. Additional rainfall amounts up to 1 inch
are possible in the warned area. 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...
Allentown, Easton, Bethlehem, Forks, Emmaus, Northampton,
Quakertown, Wilson, Hellertown, Nazareth, Wind Gap and Bath.
This includes the following highways...
Northeast Extension between mile markers 39 and 60.
Interstate 78 in Pennsylvania between mile markers 54 and 76.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...dont drown when encountering flooded roads. Most
flood deaths occur in vehicles.
&&
LAT...LON 4082 7544 4083 7538 4086 7530 4082 7514
4033 7533 4048 7558 4066 7558
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
$$
Cooper
Action: Expired Issued At: 2026-08-03 02:21:39
353
WGUS71 KPHI 030721
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
321 AM EDT Mon Aug 3 2026
NJC041-PAC017-077-095-030731-
/O.EXP.KPHI.FF.W.0086.000000T0000Z-260803T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Warren NJ-Bucks PA-Lehigh PA-Northampton PA-
321 AM EDT Mon Aug 3 2026
...FLASH FLOOD WARNING WILL EXPIRE AT 330 AM EDT EARLY THIS MORNING
FOR SOUTHWESTERN WARREN, EASTERN LEHIGH, NORTHAMPTON AND
NORTHWESTERN BUCKS COUNTIES...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
A Flood Watch remains in effect until 1100 PM EDT Monday for
portions of northern Delaware, New Jersey, and Pennsylvania.
&&
LAT...LON 4082 7544 4083 7538 4086 7530 4082 7514
4033 7533 4048 7558 4066 7558
$$
Cooper
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