Flash Flood Warning 20, NWS Philadelphia/Mount Holly

Issued

Jul 17, 2024, 7:18 PM EDT (23:18 UTC)

Expired

Jul 17, 2024, 9:23 PM EDT

In force

2 hr

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Flood severity

None

Counties Sussex County, NJ, Warren County, NJ, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA

The Philadelphia radar (KDIX), 133 km from the middle of the area, began a volume at 23:21 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.

493 
WGUS51 KPHI 172318
FFWPHI
NJC037-041-PAC025-077-089-095-180330-
/O.NEW.KPHI.FF.W.0020.240717T2318Z-240718T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
718 PM EDT Wed Jul 17 2024

The National Weather Service in Mount Holly has issued a

* Flash Flood Warning for...
  Southwestern Sussex County in northwestern New Jersey...
  Northern Warren County in northwestern New Jersey...
  Northeastern Lehigh County in eastern Pennsylvania...
  Northern Northampton County in eastern Pennsylvania...
  Southeastern Carbon County in northeastern Pennsylvania...
  Southern Monroe County in northeastern Pennsylvania...

* Until 1130 PM EDT.

* At 718 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 3 inches of rain 
  have fallen. The expected rainfall rate is 1 to 2 inches in 1 
  hour. 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...
  Newton, Lehighton, East Stroudsburg, Blairstown, Palmerton, 
  Slatington, Branchville, Delaware Water Gap, Stormville, Columbia 
  and Echo Lake.

This includes the following highways...
	Interstate 80 in New Jersey between mile markers 0 and 11.
	Interstate 80 in Pennsylvania between mile markers 304 and 314.
	Northeast Extension between mile markers 70 and 79.

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 4097 7555 4109 7504 4108 7503 4121 7466
      4106 7464 4093 7489 4088 7532 4076 7561
      4077 7581

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR

$$

RCM

961 
WGUS71 KPHI 180123
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
923 PM EDT Wed Jul 17 2024

NJC037-041-PAC025-077-089-095-180133-
/O.CAN.KPHI.FF.W.0020.000000T0000Z-240718T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-Carbon PA-Lehigh PA-Monroe PA-Northampton PA-
923 PM EDT Wed Jul 17 2024

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHWESTERN SUSSEX, 
NORTHERN WARREN, NORTHEASTERN LEHIGH, NORTHERN NORTHAMPTON, 
SOUTHEASTERN CARBON AND SOUTHERN MONROE COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

&&

LAT...LON 4097 7555 4109 7504 4108 7503 4121 7466
      4106 7464 4093 7489 4088 7532 4076 7561
      4077 7581

$$

Hoeflich

Flash Flood Warnings in Pennsylvania, 2024Flash Flood Warnings in New Jersey, 2024Every flash flood warning in 2024

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.