Alert archive / Pennsylvania / Flash Flood Warnings in 1993

Flash Flood Warning 4, NWS Cleveland, OH

January 13, 1993Crawford County, Venango County, Pennsylvania

NWS Cleveland, OH issued this flash flood warning at Jan 13, 1993, 10:44 AM EST for Crawford County, Venango County, Pennsylvania. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jan 13, 1993, 10:44 AM EST (15:44 UTC)
Expired
Jan 13, 1993, 1:45 PM EST
In force
3 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Crawford County, PA, Venango County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 3.7 hours before the alert went out and 127 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 1993-01-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 97 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 1993-01-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.1939587897117136Sfc1 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
97 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
518 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
198 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 KERI 131601
FFWERI
PAC039-121-131845-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING FOR STREAMS AND CREEKS
NATIONAL WEATHER SERVICE ERIE PA
1044 AM EST WED JAN 13 1993
 
THE NATIONAL WEATHER SERVICE IN ERIE HAS ISSUED A
FLOOD WARNING FOR STREAMS AND CREEKS EFFECTIVE UNTIL 145 PM EST
FOR THE FOLLOWING LOCATIONS...
 
IN NORTHWEST PENNSYLVANIA
 
   ...CRAWFORD AND VENANGO COUNTIES...
 
HEAVY RAINS OVERNIGHT AND THIS MORNING IN EASTERN CRAWFORD COUNTY HAVE
CAUSED STREAMS AND CREEKS TO RISE TO BANKFULL...FURTHER SNOWMELT RUNOFF
AND RAINS WILL CAUSE FLOODING ALONG STREAMS AND CREEKS IN EASTERN
CRAWFORD AND NORTHERN VENANGO COUNTIES.
 
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.
 
LARGER STREAMS AND RIVERS IN NORTHWEST PENNSYLVANIA ARE EXPECTED TO
REMAIN BELOW FLOODSTAGE.

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, Jan 13, 8:26 AM EST, 2 hours 18 minutes before
OHZ002-003-131500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
825 AM EST WED JAN 13 1993

THE RAIN WILL MOVE OUT OF NORTHEAST OHIO BY 11 AM.

AT 810 AM RADAR SHOWED THE BACK EDGE OF THE RAIN FROM
DETROIT TO CLEVELAND TO AKRON-CANTON TO WHEELING...WEST
VIRGINIA. SOME OF THE HEAVIER RAIN WAS EAST OF CLEVELAND...NEAR
AND NORTH OF YOUNGSTOWN.

THE RAIN ENDED AT HOPKINS AIRPORT AROUND 8 AM AND WILL END ON THE
EAST SIDE BY 9 AM AND IN PAINESVILLE AROUND 930 AM.

RAINFALL AMOUNTS DURING THE LAST 24 HOURS ENDING AT 7 AM HAVE BEEN AN
INCH OR LESS ACROSS THE LAKESHORE COUNTIES. LOCAL LAW ENFORCEMENT
AGENCIES HAVE REPORTED NO FLOODING SO FAR...HOWEVER...PONDING OF
WATER ON ROADS AND IN FIELDS WILL CONTINUE INTO THE MORNING AND
MOTORISTS WILL HAVE TO USE CAUTION.

A COLD FRONT WILL SWEEP ACROSS OHIO THIS MORNING AND USHER IN
COLDER AIR. ROADS THAT DO NOT DRY UP IN THE MEANTIME MAY FREEZE...
MOTORISTS AND PEDESTRIANS WILDL HAVE TO USE CAUTION.

KIELTYKA
Special weather statement, Jan 13, 8:40 AM EST, 2 hours 4 minutes before
OHZ004-PAZ003-131630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
837 AM EST WED JAN 13 1993

CONTINUED RAIN...AND OCCASIONAL THUNDERSTORMS WHICH WERE PRODUCING
HEAVY RAINFALL WERE CAUSING MINOR STREET AND ROADWAY FLOODING ACROSS
NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA EARLY THIS MORNING.

AT 800 AM WEATHER RADAR WAS SHOWING A BAND OF MODERATE TO HEAVY RAINFALL
...WITH IMBEDDED THUNDERSTORMS...MOVING THROUGH THE REGION. THIS 50 MILE
WIDE BAND EXTENDED SOUTHWESTWARD FROM ERIE...PENNSYLVANIA TO PARKERSBURG
...WEST VIRGINIA. THE BULK OF THE HEAVY PRECIPITATION WAS OVER NORTHEAST
OHIO AND NORTHWEST PENNSYLVANIA.

THESE HEAVY SHOWERS AND THUNDERSTORMS WILL CAUSE SMALL STREAMS TO
OVERFLOW...PONDING OF WATER UNDER OVERPASSES AND ON ROADWAYS RESULTING
IN DIFFICULT DRIVING CONDITIONS. COMMUTERS ARE URGED TO USE CAUTION
WHEN TRAVELLING THIS MORNING.
CONDITIONS ARE EXPECTED TO IMPROVE AS THE BULK OF THE HEAVIER
PRECIPITATION MOVES TO THE NORTHEAST OF THE REGION BY 11 AM.

NICK
Special weather statement, Jan 13, 8:45 AM EST, 1 hour 59 minutes before
OHZ004-PAZ003-131630-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
845 AM EST WED JAN 13 1993

CONTINUED RAIN...AND OCCASIONAL THUNDERSTORMS WHICH WERE PRODUCING
HEAVY RAINFALL WERE CAUSING MINOR STREET AND ROADWAY FLOODING ACROSS
NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA EARLY THIS MORNING.

AT 800 AM WEATHER RADAR WAS SHOWING A BAND OF MODERATE TO HEAVY RAINFALL
...WITH IMBEDDED THUNDERSTORMS...MOVING THROUGH THE REGION. THIS 50 MILE
WIDE BAND EXTENDED SOUTHWESTWARD FROM ERIE...PENNSYLVANIA TO PARKERSBURG
...WEST VIRGINIA. THE BULK OF THE HEAVY PRECIPITATION WAS OVER NORTHEAST
OHIO AND NORTHWEST PENNSYLVANIA.

THESE HEAVY SHOWERS AND THUNDERSTORMS WILL CAUSE SMALL STREAMS TO
OVERFLOW...PONDING OF WATER UNDER OVERPASSES AND ON ROADWAYS RESULTING
IN DIFFICULT DRIVING CONDITIONS. COMMUTERS ARE URGED TO USE CAUTION
WHEN TRAVELLING THIS MORNING.

CONDITIONS ARE EXPECTED TO IMPROVE AS THE BULK OF THE HEAVIER
PRECIPITATION MOVES TO THE NORTHEAST OF THE REGION BY 11 AM.

NICK
CORRECTED TO INSERT SEPARATION BETWEEN LAST TWO PARAGRAPHS

Nearby

Flash Flood Warnings in Pennsylvania, 1993Every flash flood warning in 1993

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.