Alert archive / Pennsylvania / Flash Flood Warnings in 1996

Flash Flood Warning 100, NWS Cleveland, OH

June 18, 1996Crawford County, Pennsylvania

NWS Cleveland, OH issued this flash flood warning at Jun 18, 1996, 4:50 PM EDT 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
Jun 18, 1996, 4:50 PM EDT (20:50 UTC)
Expired
Jun 18, 1996, 8:00 PM EDT
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, 8.8 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 1996-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 496 joules per kilogram.LCLLFCEL10008507005003002001001 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 1996-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 square meters per square second.193958Sfc1 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
496 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
1096 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCLE 182050
FFWCLE
PAC039-190000-
 
FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
450 PM EDT TUE JUN 18 1996
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
FLOOD WARNING FOR SMALL STREAMS
EFFECTIVE UNTIL  800 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  PENNSYLVANIA
 
   ...CRAWFORD COUNTY
 
AT 445 PM DOPPLER RADAR ESTIMATED THAT MORE THAN ONE INCH OF RAIN HAD
FALLEN OVER PORTIONS OF CRAWFORD SINCE 3PM. THIS COMBINED WITH THE
RAIN THE FELL EARLY TODAY HAS CAUSED SOME STREAMS IN CRAWFORD COUNTY
TO RISE OUT OF THEIR BANKS.  FLOODING OF SMALL STREAM WILL LIKELY
COUNTINE THROUGH 8PM.
 
DO NOT DRIVE YOUR VEHICLE INTO 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.
 
 
 
RINGO

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 18, 2:09 PM EDT, 2 hours 41 minutes before
OHZ022-023-032-033-190000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
205 PM EDT TUE JUN 18 1996

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8 PM FOR EASTERN
OHIO...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR EASTERN OHIO INCLUDING
TRUMBULL...MAHONING...PORTAGE...AND STARK COUNTIES.  THE WATCH IS IN
EFFECT UNTIL 8 PM.

STRONG THUNDERSTORMS OVER NORTHEAST OHIO EAST OF AKRON NEAR I-76 AND
I-80 ARE MOVING EAST A ROUND 20 MPH AND MAY INTENSIFY FARTHER.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TV FOR THE LATEST
STATEMENTS AND POSSIBLE WARNINGS.

LAPLANTE

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 18, 6:18 AM EDTFlash Flood WarningCLEErie3 hr
Jun 18, 8:58 AM EDTFlash Flood WarningCLEErie3 hr
Jun 18, 9:40 AM EDTFlash Flood WarningCLEErie65 min
Jun 18, 9:48 AM EDTFlash Flood WarningCLEErie3 hr
Jun 18, 12:34 PM EDTFlash Flood WarningCLEErie116 min

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.