Flash Flood Warning 10, NWS Philadelphia/Mount Holly

Issued

Jun 22, 2026, 6:26 PM EDT (22:26 UTC)

Expired

Jun 22, 2026, 10:30 PM EDT

In force

4 hr

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Flood severity

None

Counties Burlington County, NJ, Bucks County, PA, Montgomery County, PA, Philadelphia County, PA

The Philadelphia radar (KDIX), 45 km from the middle of the area, began a volume at 22:29 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

374 
WGUS51 KPHI 222226
FFWPHI
NJC005-PAC017-091-101-230230-
/O.NEW.KPHI.FF.W.0010.260622T2226Z-260623T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
626 PM EDT Mon Jun 22 2026

The National Weather Service in Mount Holly has issued a

* Flash Flood Warning for...
  Northwestern Burlington County in southern New Jersey...
  Southeastern Bucks County in southeastern Pennsylvania...
  Southeastern Montgomery County in southeastern Pennsylvania...
  Northeastern Philadelphia County in southeastern Pennsylvania...

* Until 1030 PM EDT.

* At 626 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 0.5 and 1 inch of rain 
  has fallen. The expected rainfall rate is 1 to 1.5 inches in 1 
  hour. Additional rainfall amounts of 0.5 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.

  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, Bensalem, Florence, Burlington, Bristol, Beverly, 
  Rockledge, Tullytown, Abington, Bryn Athyn, Andalusia and 
  Feasterville-Trevose.

This includes the following highways...
	Interstate 295 in New Jersey between mile markers 48 and 56.
	New Jersey Turnpike between exits 6 and 6A.
	Interstate 95 in Pennsylvania between mile markers 31 and 40.
	Pennsylvania Turnpike between mile markers 348 and 359.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 4018 7481 4012 7471 4005 7480 4003 7508
      4014 7514

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-1.5 INCHES IN 1 HOUR

$$

MJL

202 
WGUS71 KPHI 230106
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
906 PM EDT Mon Jun 22 2026

NJC005-PAC017-091-101-230230-
/O.CON.KPHI.FF.W.0010.000000T0000Z-260623T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Burlington NJ-Bucks PA-Montgomery PA-Philadelphia PA-
906 PM EDT Mon Jun 22 2026

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT THIS 
EVENING FOR NORTHWESTERN BURLINGTON, SOUTHEASTERN BUCKS, 
SOUTHEASTERN MONTGOMERY AND NORTHEASTERN PHILADELPHIA COUNTIES...

At 906 PM EDT, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain across the warned area. Between 1 
and 1.5 inches of rain have fallen. Additional rainfall amounts up 
to 0.5 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...
  Philadelphia, Bensalem, Florence, Burlington, Bristol, Beverly, 
  Rockledge, Tullytown, Abington, Bryn Athyn, Andalusia and 
  Feasterville-Trevose.

This includes the following highways...
	Interstate 295 in New Jersey between mile markers 48 and 56.
	New Jersey Turnpike between exits 6 and 6A.
	Interstate 95 in Pennsylvania between mile markers 31 and 40.
	Pennsylvania Turnpike between mile markers 348 and 359.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't 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.

&&

LAT...LON 4018 7481 4012 7471 4005 7480 4003 7508
      4014 7514

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

Guzzo

223 
WGUS71 KPHI 230220
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
1020 PM EDT Mon Jun 22 2026

NJC005-PAC017-091-101-230230-
/O.EXP.KPHI.FF.W.0010.000000T0000Z-260623T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Burlington NJ-Bucks PA-Montgomery PA-Philadelphia PA-
1020 PM EDT Mon Jun 22 2026

...FLASH FLOOD WARNING WILL EXPIRE AT 1030 PM EDT THIS EVENING FOR 
NORTHWESTERN BURLINGTON, SOUTHEASTERN BUCKS, SOUTHEASTERN MONTGOMERY 
AND NORTHEASTERN PHILADELPHIA 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 600 AM EDT Tuesday for 
portions of northern Delaware, New Jersey, and southeast 
Pennsylvania.

&&

LAT...LON 4018 7481 4012 7471 4005 7480 4003 7508
      4014 7514

$$

Staarmann

Flash Flood Warnings in Pennsylvania, 2026Flash Flood Warnings in New Jersey, 2026Every flash flood warning in 2026

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.