Flash Flood Warning 35, NWS Philadelphia/Mount Holly

Issued

Aug 6, 2024, 6:37 PM EDT (22:37 UTC)

Expired

Aug 6, 2024, 9:59 PM EDT

In force

3 hr

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Flood severity

None

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

The Philadelphia radar (KDIX), 125 km from the middle of the area, began a volume at 22:38 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.

258 
WGUS51 KPHI 062237
FFWPHI
NJC041-PAC025-077-089-095-070230-
/O.NEW.KPHI.FF.W.0035.240806T2237Z-240807T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
637 PM EDT Tue Aug 6 2024

The National Weather Service in Mount Holly has issued a

* Flash Flood Warning for...
  West Central Warren County in northwestern New Jersey...
  North Central Lehigh County in eastern Pennsylvania...
  Central Northampton County in eastern Pennsylvania...
  Southeastern Carbon County in northeastern Pennsylvania...
  South Central Monroe County in northeastern Pennsylvania...

* Until 1030 PM EDT.

* At 637 PM EDT, Doppler radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. Between 
  1 and 2 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...
  Easton, Forks, Wilson, Nazareth, Palmerton, Bangor, Slatington, 
  Pen Argyl, Wind Gap, Bath, Harmony and Alpha.

This includes the following highways...
	Interstate 78 in New Jersey near mile marker 0.
	Northeast Extension between mile markers 67 and 69.

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 4086 7550 4097 7521 4076 7509 4066 7517
      4071 7528 4072 7545 4072 7563 4081 7564

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

$$

MJL

292 
WGUS71 KPHI 070159
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
959 PM EDT Tue Aug 6 2024

NJC041-PAC025-077-089-095-070209-
/O.CAN.KPHI.FF.W.0035.000000T0000Z-240807T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Warren NJ-Carbon PA-Lehigh PA-Monroe PA-Northampton PA-
959 PM EDT Tue Aug 6 2024

...FLASH FLOOD WARNING IS CANCELLED FOR WEST CENTRAL WARREN, NORTH 
CENTRAL LEHIGH, CENTRAL NORTHAMPTON, SOUTHEASTERN CARBON AND SOUTH 
CENTRAL MONROE 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 1200 PM EDT Wednesday for 
portions of northern Delaware, New Jersey, and Pennsylvania.

&&

LAT...LON 4086 7550 4097 7521 4076 7509 4066 7517
      4071 7528 4072 7545 4072 7563 4081 7564

$$

MJL

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.