Alert archive / Pennsylvania / Flash Flood Warnings in 1996

Flash Flood Warning 119, NWS Philadelphia/Mount Holly

December 2, 1996Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this flash flood warning at Dec 2, 1996, 3:05 AM EST for Carbon County, Monroe County, Pennsylvania. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 2, 1996, 3:05 AM EST (08:05 UTC)
Expired
Dec 2, 1996, 7:00 AM EST
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Carbon County, PA, Monroe County, PA

The radar

The Binghamton radar (KBGM), 140 km from the middle of the area, began a volume at 08:09 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.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 8.1 hours before the alert went out and 224 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 00:00Z on 1996-12-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 1996-12-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 397 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
549 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
397 m²/s²
0-3 km storm-relative helicity
452 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KPHL 020804 RRA
FFWPHL
PAC025-089-021200-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
305 AM EST MON DEC 2 1996

THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY NJ HAS
ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 700 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN  PENNSYLVANIA

   ...CARBON COUNTY
   ...MONROE COUNTY
 

AUTOMATED RAIN GAGES INDICATED THAT 3 TO 4 INCHES OF RAIN HAS FALLEN
OVER THE SOUTHERN POCONOS DURING THE PAST 24 HOURS.  ANOTHER BAND OF
HEAVY RAIN WILL BE MOVING INTO THE AREA OVER THE NEXT TWO HOURS. THIS
WILL EXACERBATE OR START FLOODING OF SMALLER STREAMS ACROSS THE AREA.
 
AVOID AREAS WHICH ARE PRONE TO FLOODING. BBE ESPECIALLY CAUTIOUS AT
NIGHT WHEN IT IS MORE DIFFICULT TO RECOGNIZE FLOOD DANGERS. IF YOU
GET CAUGHT BY FLOOD WATERS...LEAVE YOUR CAR AND GET TO HIGHER GROUND
QUICKLY. YOUR LIFE MAY DEPEND ON IT.

TFG

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 2, 4:12 AM ESTFlash Flood WarningPHIBucks4 hr
Dec 2, 4:12 AM ESTFlash Flood WarningPHIChester, Delaware4 hr
Dec 2, 8:15 AM ESTFlash Flood WarningPHIChester5 hr

Nearby

Flash Flood Warnings in Pennsylvania, 1996Every flash flood warning in 1996

Sources

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.