Alert archive / Ohio / Flash Flood Warnings in 1993

Flash Flood Warning 20, NWS Cleveland, OH

August 24, 1993Washington County, Ohio

NWS Cleveland, OH issued this flash flood warning at Aug 24, 1993, 8:01 PM EDT for Washington County, Ohio. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Aug 24, 1993, 8:01 PM EDT (00:01 UTC)
Expired
Aug 24, 1993, 9:00 PM EDT
In force
59 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Washington County, OH

The nearest sounding before it

Huntington/Tri S, WV (KHTS), launched 00:00Z, 0.0 hours before the alert went out and 149 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, Huntington/Tri S, WV at 00:00Z on 1993-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1179 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, Huntington/Tri S, WV at 00:00Z on 1993-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 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
1179 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1020 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
2 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 KCAK 250002
FFWCAK
OHC167-250100-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AKRON OH
801 PM EDT TUE AUG 24 1993
 
THE NATIONAL WEATHER SERVICE IN AKRON HAS ISSUED A
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
EFFECTIVE UNTIL  900 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY......
 
IN SOUTHEAST OHIO
 
   ...WASHINGTON COUNTY
 
AT 758 PM WEATHER RADAR SHOWED A CLUSTER OF THUNDERSTORMS OVER WESTERN
WASHINGTON COUNTY MOVING EAST AT 25 MPH. TORRENTIAL DOWNPOURS WITH THIS
STORM WILL CAUSE URBAN STREET FLOODING. WIND GUSTS TO 60 MPH AND LARGE
HAIL ARE POSSIBLE WITH THE STORM.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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, Aug 24, 6:02 PM EDT, 1 hour 59 minutes before
OHZ004-007-242300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
602 PM EDT TUE AUG 24 1993

THUNDERSTORMS WITH HEAVY RAIN...SMALL HAIL AND GUSTY WINDS WERE MOVING
THROUGH PARTS OF EAST CENTRAL OHIO LATE THIS AFTERNOON.

RADAR AT 6 PM SHOWED LARGE THUNDERSTORMS OVER HARRISON AND JEFFERSON
COUNTIES. PEA SIZE HAIL AND WIND GUSTS TO 45 MPH WERE REPORTED BY A
STORM SPOTTER AT STILLWATER IN SOUTHEAST TUSCARAWAS COUNTY AT 515 PM.

THE THUNDERSTORMS HAVE WEAKENED A LITTLE BUT MAY STILL PRODUCE SMALL
HAIL..TORRENTIAL DOWNPOURS AND WIND GUSTS TO 40 MPH AS THEY MOVE INTO
THE OHIO VALLEY FROM WHEELING TO EAST LIVERPOOL BETWEEN 6 AND 7 PM.

PONDING OF WATER IS LIKELY IN LOW SPOTS AND POOR DRAINAGE AREAS.

NIBERT
Special weather statement, Aug 24, 6:03 PM EDT, 1 hour 58 minutes before
OHZ004-007-242300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
602 PM EDT TUE AUG 24 1993

THUNDERSTORMS WITH HEAVY RAIN...SMALL HAIL AND GUSTY WINDS WERE MOVING
THROUGH PARTS OF EAST CENTRAL OHIO LATE THIS AFTERNOON.

RADAR AT 6 PM SHOWED LARGE THUNDERSTORMS OVER HARRISON AND JEFFERSON
COUNTIES. PEA SIZE HAIL AND WIND GUSTS TO 45 MPH WERE REPORTED BY A
STORM SPOTTER AT STILLWATER IN SOUTHEAST TUSCARAWAS COUNTY AT 515 PM.

THE THUNDERSTORMS HAVE WEAKENED A LITTLE BUT MAY STILL PRODUCE SMALL
HAIL..TORRENTIAL DOWNPOURS AND WIND GUSTS TO 40 MPH AS THEY MOVE INTO
THE OHIO VALLEY FROM WHEELING TO EAST LIVERPOOL BETWEEN 6 AND 7 PM.

PONDING OF WATER IS LIKELY IN LOW SPOTS AND POOR DRAINAGE AREAS.

NIBERT
Special weather statement, Aug 24, 7:05 PM EDT, 56 minutes before
OHZ004-007-250000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
705 PM EDT TUE AUG 24 1993

THUNDERSTORMS WERE PRODUCING HEAVY RAIN...GUSTY WINDS AND POSSIBLY SOME
SMALL HAIL OVER PARTS OF EAST CENTRAL AND SOUTHEAST OHIO THIS EVENING.

RADAR AT 7 PM SHOWED A LARGE THUNDERSTORM OVER BELMONT COUNTY NEAR
SAINT CLAIRSVILLE. THIS STORM WAS MOVING EAST TOWARD WHEELING WEST
VIRGINIA AT 20 MPH.

A CLUSTER OF THUNDERSTORMS WAS OVER SOUTHEAST OHIO...FROM ATHENS AND
POMEROY WEST TO CHILLICOTHE. SOME OF THOSE STORMS COULD MOVE ACROSS
SOUTHERN WASHINGTON COUNTY BETWEEN 7 AND 8 PM. THE STORMS WERE ALSO
MOVING EAST AT 20 MPH.

TORRENTIAL RAIN...WIND GUSTS TO 40 MPH...AND SMALL HAIL COULD FALL FROM
THE STORMS. PONDING OF WATER IS LIKELY IN LOW SPOTS AND POOR DRAINAGE
AREAS.

NIBERT
Special weather statement, Aug 24, 7:07 PM EDT, 54 minutes before
OHZ004-007-250000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
705 PM EDT TUE AUG 24 1993

THUNDERSTORMS WERE PRODUCING HEAVY RAIN...GUSTY WINDS AND POSSIBLY SOME
SMALL HAIL OVER PARTS OF EAST CENTRAL AND SOUTHEAST OHIO THIS EVENING.

RADAR AT 7 PM SHOWED A LARGE THUNDERSTORM OVER BELMONT COUNTY NEAR
SAINT CLAIRSVILLE. THIS STORM WAS MOVING EAST TOWARD WHEELING WEST
VIRGINIA AT 20 MPH.

A CLUSTER OF THUNDERSTORMS WAS OVER SOUTHEAST OHIO...FROM ATHENS AND
POMEROY WEST TO CHILLICOTHE. SOME OF THOSE STORMS COULD MOVE ACROSS
SOUTHERN WASHINGTON COUNTY BETWEEN 7 AND 8 PM. THE STORMS WERE ALSO
MOVING EAST AT 20 MPH.

TORRENTIAL RAIN...WIND GUSTS TO 40 MPH...AND SMALL HAIBL COULD FALL FROM
THE STORMS. PONDING OF WATER IS LIKELY IN LOW SPOTS AND POOR DRAINAGE
AREAS.

NIBERT
Special weather statement, Aug 24, 7:50 PM EDT, 11 minutes before
OHZ004-007-250100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
750 PM EDT TUE AUG 24 1993

THUNDERSTORMS WERE PRODUCING HEAVY RAIN...GUSTY WINDS AND POSSIBLY SOME
SMALL HAIL OVER PARTS OF SOUTHEAST OHIO THIS EVENING.

RADAR AT 745 PM SHOWED A LARGE THUNDERSTORM OVER WASHINGTON AND ATHENS
COUNTIES. MARIETTA AND BELPRE WILL BE EFFECTED BY THIS STORM. OTHER
THUNDERSTORMS FOLLOWING MAY ALSO HAVE DOWNPOURS AND COULD CAUSE FLOODING
OF SMALL STREAMS THIS EVENING.

TORRENTIAL RAIN...WIND GUSTS TO 45 MPH...AND SMALL HAIL COULD FALL FROM
THIS STORM. URBAN STREET FLOODING AND PONDING OF WATER IS LIKELY IN
LOW SPOTS AND POOR DRAINAGE AREAS. FREQUENT LIGHTNING MAY CAUSE POWER
DISRUPTIONS.

NIBERT

NIBERT
Special weather statement, Aug 24, 7:53 PM EDT, 8 minutes before
OHZ004-007-250100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
750 PM EDT TUE AUG 24 1993

THUNDERSTORMS WERE PRODUCING HEAVY RAIN...GUSTY WINDS AND POSSIBLY SOME
SMALL HAIL OVER PARTS OF SOUTHEAST OHIO THIS EVENING.

RADAR AT 745 PM SHOWED A LARGE THUNDERSTORM OVER WASHINGTON AND ATHENS
COUNTIES. MARIETTA AND BELPRE WILL BE EFFECTED BY THIS STORM. OTHER
THUNDERSTORMS FOLLOWING MAY ALSO HAVE DOWNPOURS AND COULD CAUSE FLOODING
OF SMALL STREAMS THIS EVENING.

TORRENTIAL RAIN...WIND GUSTS TO 45 MPH...AND SMALL HAIL COULD FALL FROM
THIS STORM. URBAN STREET FLOODING AND PONDING OF WATER IS LIKELY IN
LOW SPOTS AND POOR DRAINAGE AREAS. FREQUENT LIGHTNING MAY CAUSE POWER
DISRUPTIONS.

NIBERT

NIBERT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 8:01 PM EDTSevere Thunderstorm WarningCLEWashington59 min

Nearby

Flash Flood Warnings in Ohio, 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.