Alert archive / Pennsylvania / Flash Flood Warnings in 1996

Flash Flood Warning 179, NWS Cleveland, OH

September 9, 1996Erie County, Pennsylvania

NWS Cleveland, OH issued this flash flood warning at Sep 9, 1996, 12:38 PM EDT for Erie County, Pennsylvania. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 9, 1996, 12:38 PM EDT (16:38 UTC)
Expired
Sep 9, 1996, 1:45 PM EDT
In force
67 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Erie County, PA

The radar

The Buffalo radar (KBUF), 145 km from the middle of the area, began a volume at 16:39 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 4.6 hours before the alert went out and 146 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, Buffalo Intl Airport, NY at 12:00Z on 1996-09-09Temperature 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, Buffalo Intl Airport, NY at 12:00Z on 1996-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
926 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
8 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 091641
FFWCLE
PAC049-091745-
 
BULLETIN
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS
NATIONAL WEATHER SERVICE CLEVELAND OH
1238 PM EDT MON SEP 9 1996
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS
EFFECTIVE UNTIL  145 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  PENNSYLVANIA
 
   ...ERIE COUNTY
 
AT 1235 PM...DOPPLER RADAR IN CLEVELAND INDICATED A BAND OF
STRONG THUNDERSTORMS WITH VERY HEAVY RAIN BETWEEN WESELYVILLE AND
NORTHEAST. THE STORMS WERE MOVING NORTHEAST AT 15 MPH AND ARE LIKELY TO
DROP BETWEEN 1 AND 11/2 INCHES OF RAIN BY 130 PM.
 
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.
 
 
 
GABRIC

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, Sep 9, 11:41 AM EDT, 57 minutes before
OHZ009-014-019>023-029>033-037-038-047-PAZ001>003-100000-

SPECIAL WEATHER STATEMENT - SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CLEVELAND OH
1140 AM EDT MON SEP 9 1996

THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS FOR NORTH CENTRAL AND
NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA THIS AFTERNOON AND EVENING.

THE AIRMASS ACROSS NORTH CENTRAL AND NORTHEAST OHIO AS WELL AS
NORTHWEST PENNSYLVANIA IS MOIST AND UNSTABLE TODAY.  TO OUR WEST A COLD
FRONT EXTENDED SOUTH FROM MICHIGAN THROUGH INDIANA.  THIS FRONT WILL
PUSH INTO NORTHWEST OHIO THIS AFTERNOON AND MOVE EAST ACROSS THE AREA
TODAY AND EARLY TONIGHT.  THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG
THE FRONT AND A FEW COULD TURN SEVERE.j

THE BIGGEST THREAT WITH THE STORMS WOULD BE HAIL OR HIGH WINDS...
HOWEVER...STORMS WITH TORRENTIAL RAINS COULD ALSO CAUSE FLOODING SINCE
THE GROUND IS RATHER SATURATED FROM RAINS THIS PAST WEEKEND.

TK

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.