Alert archive / Pennsylvania / Flash Flood Warnings in 1996

Flash Flood Warning 112, NWS Philadelphia/Mount Holly

November 8, 1996Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this flash flood warning at Nov 8, 1996, 10:11 PM EST for Carbon County, Monroe County, Pennsylvania. It was in force for 5 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
Nov 8, 1996, 10:11 PM EST (03:11 UTC)
Expired
Nov 9, 1996, 3:00 AM EST
In force
5 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 03:11 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, 3.2 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 1996-11-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 257 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 1996-11-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 250 square meters per square second.19395878Sfc1 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
257 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
514 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
250 m²/s²
0-3 km storm-relative helicity
225 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 090312
FFWPHL
PAC011-025-089-090800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
1011 PM EST FRI NOV 8 1996

THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY NJ HAS
ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 300 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN  PENNSYLVANIA

   ...CARBON COUNTY
   ...MONROE COUNTY
   ...BERKS COUNTY
 
THE NATIONAL WEATHER SERVICE HAS EXTENDED THE FLASH FLOOD
WARNING THROUGH 3 AM FOR CARBON...MONROE AND BERKS COUNTIES.
TWO TO FOUR INCHES OF RAIN HAS FALLEN IN CARBON COUNTY AND TWO
TO THREE INCHES OF RAIN HAS FALLEN IN MONROE AND BERKS
COUNTIES.  DOPPLER RADAR SHOWS ADDITIONAL ONE INCH RAINS HEADING
TOWARD THE AREA THAT WILL ONLY FURTHER EXACERBATE THE ONGOING SMALL
STREAM AND POOR DRAINAGE FLOODING. 

IF YOU ARE IN AN AREA PRONE TO FLOODING...BE ALERT TO MOVE TO HIGHER
GROUND. AFTER THE STORM HAS PASSED...AND THE THREAT OF FLOODING IS
OVER...REPORT ANY SEVERE WEATHER OR FLOODING TO YOUR LOCAL LAW
ENFORCEMENT AGENCY AND HAVE THEM RELAY YOUR SEVERE WEATHER REPORT ON
TO THE NATIONAL WEATHER SERVICE.

REMEMBER IT IS ALMOST IMPOSSIBLE AT NIGHT TO JUDGE THE DEPTH OF WATER
ON THE DROAD...OR TO EVEN KNOW IF A FLOODED ROAD IS STILL THERE.

STAY TUNED TO NOAA WEATHER RADIO...THE VOICE OF THE NATIONAL WEATHER
SERVICE...OR TO COMMERCIAL RADIO OR TELEVISION STATIONS FOR THE
LATEST STORM INFORMATION.
 

TFG

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 8, 10:11 PM ESTFlash Flood WarningPHIBerks5 hr
Nov 9, 3:40 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.