Flash Flood Warning 73, NWS Philadelphia/Mount Holly

Issued

Jul 25, 2023, 1:54 PM EDT (17:54 UTC)

Expired

Jul 25, 2023, 5:49 PM EDT

In force

4 hr

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Flood severity

None

Counties Delaware County, PA, Philadelphia County, PA

The Philadelphia radar (KDIX), 74 km from the middle of the area, began a volume at 17:57 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.

812 
WGUS51 KPHI 251754
FFWPHI
PAC045-101-252200-
/O.NEW.KPHI.FF.W.0073.230725T1754Z-230725T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
154 PM EDT Tue Jul 25 2023

The National Weather Service in Mount Holly has issued a

* Flash Flood Warning for...
  Southeastern Delaware County in southeastern Pennsylvania...
  Southwestern Philadelphia County in southeastern Pennsylvania...

* Until 600 PM EDT.

* At 154 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 0.5 and 2 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...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, Yeadon, Folcroft, Swarthmore, East Lansdowne, Darby 
  Township, Philadelphia International Airport, South Philadelphia, 
  Tinicum Township, Drexel Hill, Philadelphia International Arpt, 
  and Nether Providence Township.

This includes the following highways...
	Interstate 95 in Pennsylvania between mile markers 7 and 15...and
	near mile marker 20.
	Interstate 76 in Pennsylvania between mile markers 342 and 349.
	Interstate 676 in Pennsylvania near mile marker 0.
	Interstate 476 in Pennsylvania between mile markers 0 and 2.

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 3989 7538 3999 7520 3993 7514 3987 7522
      3986 7524 3985 7531 3985 7532

FLASH FLOOD...RADAR INDICATED

$$

RCM

896 
WGUS71 KPHI 251945
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
345 PM EDT Tue Jul 25 2023

PAC045-101-252200-
/O.CON.KPHI.FF.W.0073.000000T0000Z-230725T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Delaware PA-Philadelphia PA-
345 PM EDT Tue Jul 25 2023

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING 
FOR SOUTHEASTERN DELAWARE AND SOUTHWESTERN PHILADELPHIA COUNTIES...

At 345 PM EDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 0.5 and 2 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...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, Yeadon, Folcroft, Swarthmore, East Lansdowne, Darby 
  Township, Philadelphia International Airport, South Philadelphia, 
  Tinicum Township, Drexel Hill, Philadelphia International Arpt, 
  and Nether Providence Township.

This includes the following highways...
	Interstate 95 in Pennsylvania between mile markers 7 and 15.
	Interstate 76 in Pennsylvania between mile markers 342 and 349.
	Interstate 676 in Pennsylvania near mile marker 0.
	Interstate 476 in Pennsylvania between mile markers 0 and 2.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3989 7538 3999 7520 3993 7514 3987 7522
      3986 7524 3985 7531 3985 7532

FLASH FLOOD...RADAR INDICATED

$$

RCM

747 
WGUS71 KPHI 252149
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
549 PM EDT Tue Jul 25 2023

PAC045-101-252159-
/O.CAN.KPHI.FF.W.0073.000000T0000Z-230725T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Delaware PA-Philadelphia PA-
549 PM EDT Tue Jul 25 2023

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN DELAWARE AND 
SOUTHWESTERN PHILADELPHIA COUNTIES...

The heavy rain has ended and flood waters have receded. Flooding is 
no longer expected to pose a threat.

LAT...LON 3989 7538 3999 7520 3993 7514 3987 7522
      3986 7524 3985 7531 3985 7532

$$

Robertson

Flash Flood Warnings in Pennsylvania, 2023Every flash flood warning in 2023

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