Alert archive / Pennsylvania / Flash Flood Warnings in 1996

Flash Flood Warning 200, NWS Cleveland, OH

December 11, 1996Crawford County, Pennsylvania

NWS Cleveland, OH issued this flash flood warning at Dec 11, 1996, 2:58 PM EST for Crawford County, Pennsylvania. It was in force for 3 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 11, 1996, 2:58 PM EST (19:58 UTC)
Expired
Dec 11, 1996, 6:00 PM EST
In force
3 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

County Crawford County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.0 hours before the alert went out and 142 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, Pittsburgh, PA at 12:00Z on 1996-12-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 1996-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 309 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
838 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
309 m²/s²
0-3 km storm-relative helicity
445 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 KCLE 112002
FFWCLE
PAC039-112300-
 
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS
NATIONAL WEATHER SERVICE CLEVELAND OH
258 PM EST WED DEC 11 1996
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS
EFFECTIVE UNTIL  600 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  PENNSYLVANIA
 
   ...CRAWFORD COUNTY
 
NATIONAL WEATHER SERVICE DOPPLER RADAR IN CLEVELAND ESTIMATES ONE INCH
OF RAIN HAS FALLEN IN SOUTHWESTERN CRAWFORD COUNTY SINCE 1PM EST. SOME
MINOR STREET FLOODING HAS ALREADY BEEN REPORTED IN WEST MEADE TOWNSHIP.
THE RAIN IS EXPECTED TO CONTINUE WITH ADDITIONAL FLOODING LIKELY IN LOW
LYING AND POOR DRAINAGE AREAS.
 
DO NOT DRIVE YOUR VEHICLE IZNTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
 
MILLER

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.