Alert archive / Ohio / Flash Flood Warnings in 1990

Flash Flood Warning 86, NWS Charleston, WV

August 21, 1990Ross County, Ohio

NWS Charleston, WV issued this flash flood warning at Aug 21, 1990, 11:14 PM EDT for Ross County, Ohio. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Aug 21, 1990, 11:14 PM EDT (03:14 UTC)
Expired
Aug 22, 1990, 1:15 AM EDT
In force
2 hr
Issued by
NWS Charleston, WV
Area
Whole counties

County Ross County, OH

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 3.2 hours before the alert went out and 116 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, Dayton/James M C, OH at 00:00Z on 1990-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 976 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, Dayton/James M C, OH at 00:00Z on 1990-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
976 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
724 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
67 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 220316
FFWCMH
OHC141-220515-
 
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBUS OH
ISSUED BY CLEVELAND OH
1114 PM EDT TUE AUG 21 1990
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL  115 AM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN CENTRAL OHIO
          ...ROSS
 
AT 1105 PM RADAR WAS SHOWING A THUNDERSTORM WITH VERY HEAVY RAIN OVER
ROSS COUNTY. THE THUNDERSTORM WAS MOVING SLOWLY. STREET FLOODING WILL
BE COMMON AND SOME CREEKS MAY OVERFLOW THEIR BANKS.
 
AT 1110 PM THE CHILLICOTHE POLICE REPORTED SOME FLOODING OF
UNDERPASSES IN THAT CITY.
 
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.
 
KIELTYKA

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 21, 5:51 PM EDT, 5 hours 23 minutes before
KYZ006-OHZ008-OHZ009-WVZ003-212300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTINGTON WV
650 PM EDT TUE AUG 21 1990

...STRONG THUNDERSTORMS CONTINUE IN KENTUCKY AND OHIO...

AT 645 PM EDT WEATHER RADAR INDICATED SEVERAL THUNDERSTORMS WITHIN
A LARGE AREA OF RAINFALL ACROSS KENTUCKY AND OHIO.  THE STRONGEST
STORMS WERE LOCATED IN ADAMS COUNTY OHIO JUST SOUTHWEST OF WEST UNION
AND ENTERING JOHNSON COUNTY ABOUT 8 MILES WEST OF PAINTSVILLE.

ALL THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR.

THESE STORMS CONTAIN VERY HEAVY RAINFALL...STRONG GUSTY WINDS...
FREQUENT INTENSE LIGHTNING STRIKES AND POSSIBLY SMALL HAIL.
THE HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON ROADS AND POSSIBLE
FLOODING OF LOW LYING AREAS.

IF YOU ARE IN THE PATH OF THESE STORMS...KEEP AN EYE ON THE RAPIDLY
CHANGING WEATHER CONDITIONS AND BE PREPARED TO MOVE QUICKLY TO
A SAFE INDOOR SHELTER.  STAY AWAY FROM ELECTRICAL APPLIANCES AND DO
NOT USE THE TELEPHONE UNLESS IT IS AN EMERGENCY.

REPORT ANY SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY FOR
RELAY TO THE NATIONAL WEATHER SERVICE.  STAY TUNED TO NOAA WEATHER
RADIO FOR THE LATEST DETAILS CONCERNING THESE STORMS.

END/YOUNG
Special weather statement, Aug 21, 7:26 PM EDT, 3 hours 48 minutes before
WVZ006>008-220100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BECKLEY WV
725 PM EDT TUE AUG 21 1990

...FLASH FLOOD WATCH IN EFFECT THROUGH TONIGHT FOR ALL OF SOUTHERN WEST
VIRGINIA...

AT 1015 AM EDT NATIONAL WEATHER SERVICE RADAR AT BECKLEY SHOWED AN AREA
OF THUNDERSTORMS IN EASTERN KENTUCKY MOVING EASTWARD AROUND 30 MPH.
THE LEADING EDGE OF THIS AREA OF THUNDERSTORMS WILL MOVE INTO MINGO
COUNTY DURING THE NEXT HOUR AND ON THROUGH THE REMAINDER OF THE
SOUTHERN WEST VIRGINIA COUNTIES LATER THIS EVENING.

VERY HEAVY RAINFALL ASSOCIATED WITH THESE THUNDERSTORMS MAY CAUSE SOME
FLOODING OF SMALL STREAMS AND LOW-LYING AREAS. PERSONS LIVING ALONG STREAMS
AND CREEKS SHOULD BE PREPARED TO MOVE TO HIGHER GROUND IMMEDIATELY IF
HEAVY RAIN OCCURS OR A WARNING IS ISSUED. THESE THUNDERSTORMS WILL ALSO
BE ACCOMPANIED BY DANGEROUS LIGHTNING AND POSSIBLY SOME SMALL HAIL.
PERSONS SHOULD SEEK SAFE INDOOR SHELTER AS THESE THUNDERSTORMS APPROACbH.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.

END/MONEYPENNY
Special weather statement, Aug 21, 7:28 PM EDT, 3 hours 46 minutes before
WVZ006>008-220100-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE BECKLEY WV
725 PM EDT TUE AUG 21 1990

...FLASH FLOOD WATCH IN EFFECT THROUGH TONIGHT FOR ALL OF SOUTHERN WEST
VIRGINIA...

AT 720 PM EDT NATIONAL WEATHER SERVICE RADAR AT BECKLEY SHOWED AN AREA
OF THUNDERSTORMS IN EASTERN KENTUCKY MOVING EASTWARD AROUND 30 MPH.
THE LEADING EDGE OF THIS AREA OF THUNDERSTORMS WILL MOVE INTO MINGO
COUNTY DURING THE NEXT HOUR AND ON THROUGH THE REMAINDER OF THE
SOUTHERN WEST VIRGINIA COUNTIES LATER THIS EVENING.

VERY HEAVY RAINFALL ASSOCIATED WITH THESE THUNDERSTORMS MAY CAUSE SOME
FLOODING OF SMALL STREAMS AND LOW-LYING AREAS. PERSONS LIVING ALONG STREAMS
AND CREEKS SHOULD BE PREPARED TO MOVE TO HIGHER GROUND IMMEDIATELY IF
HEAVY RAIN OCCURS OR A WARNING IS ISSUED. THESE THUNDERSTORMS WILL ALSO
BE ACCOMPANIED BY DANGEROUS LIGHTNING AND POSSIBLY SOME SMALL HAIL.
PERSONS SHOULD SEEK SAFE INDOOR SHELTER AS THESE THUNDERSTfORMS APPROACH.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.

END/MONEYPENNY

Nearby

Flash Flood Warnings in Ohio, 1990Every flash flood warning in 1990

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.