Flash Flood Warning 56, NWS Philadelphia/Mount Holly

Issued

Sep 8, 2011, 3:15 AM EDT (07:15 UTC)

Expired

Sep 8, 2011, 9:15 AM EDT

In force

6 hr

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Flood severity

None

Counties Hunterdon County, NJ, Mercer County, NJ, Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Lehigh County, PA, Monroe County, PA, Northampton County, PA

The Philadelphia radar (KDIX), 104 km from the middle of the area, began a volume at 07:19 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.

484 
WGUS51 KPHI 080715
FFWPHI
NJC019-021-027-035-037-041-PAC077-089-095-081315-
/O.NEW.KPHI.FF.W.0056.110908T0715Z-110908T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
315 AM EDT THU SEP 8 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SUSSEX COUNTY...
  WARREN COUNTY...
  MORRIS COUNTY...
  HUNTERDON COUNTY...
  SOMERSET COUNTY...
  MERCER COUNTY...
  LEHIGH COUNTY...
  NORTHAMPTON COUNTY...
  MONROE COUNTY...

* UNTIL 915 AM EDT...

* AT 310 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  ANOTHER ROUND OF VERY HEAVY RAIN MOVING INTO THE AREA FROM THE     
  SOUTH. RAINFALL RATES OF 1 TO 2 INCHES PER HOUR ARE POSSIBLE.      
  RAPID RUNOFF WILL OCCUR GIVEN THE SATURATED CONDITIONS FROM RAIN   
  OVER THE PAST SEVERAL DAYS. EXPECT ROADWAY AND POOR DRAINAGE       
  FLOODING. SMALL STREAMS WILL ALSO SEE RENEWED RISES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 4120 7437 4104 7449 4100 7430 4089 7427
      4064 7440 4056 7453 4048 7447 4034 7465
      4026 7448 4013 7460 4062 7512 4043 7549
      4066 7584 4082 7548 4094 7557 4125 7531
      4126 7514 4116 7516 4109 7503 4135 7471

$$

FORECASTER: JJM

651 
WGUS71 KPHI 081313
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
913 AM EDT THU SEP 8 2011

NJC019-021-027-035-037-041-PAC077-089-095-081319-
/O.EXP.KPHI.FF.W.0056.000000T0000Z-110908T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX NJ-WARREN NJ-MORRIS NJ-HUNTERDON NJ-SOMERSET NJ-MERCER NJ-
LEHIGH PA-NORTHAMPTON PA-MONROE PA-
913 AM EDT THU SEP 8 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 915 AM EDT FOR MONROE...
NORTHAMPTON...LEHIGH...MERCER...SOMERSET...HUNTERDON...MORRIS...
WARREN AND SUSSEX COUNTIES...

THE HEAVY RAINS THE REGION RECEIVED EARLIER THIS MORNING HAVE MOVED 
NORTH. THE ASSOCIATED RAPID, LIFE-THREATENING RISES ON CREEKS AND 
STREAMS HAVE SLOWED.

ALTHOUGH THIS FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE, 
FLOODING IS STILL ONGOING THROUGHOUT THE REGION AND OTHER FLOOD 
WARNINGS REMAIN IN AFFECT.

LAT...LON 4120 7437 4104 7449 4100 7430 4089 7427
      4064 7440 4056 7453 4048 7447 4034 7465
      4026 7448 4013 7460 4062 7512 4043 7549
      4066 7584 4082 7548 4094 7557 4125 7531
      4126 7514 4116 7516 4109 7503 4135 7471

$$

KRUZDLO

Flash Flood Warnings in New Jersey, 2011Flash Flood Warnings in Pennsylvania, 2011Every flash flood warning in 2011

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.