Alert archive / Ohio / Flash Flood Warnings in 1990

Flash Flood Warning 11, NWS Cleveland, OH

June 8, 1990Hancock County, Wyandot County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jun 8, 1990, 6:23 PM EDT for Hancock County, Wyandot County, Ohio. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Jun 8, 1990, 6:23 PM EDT (22:23 UTC)
Expired
Jun 8, 1990, 7:30 PM EDT
In force
67 min
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Hancock County, OH, Wyandot 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 12:00Z, 10.4 hours before the alert went out and 129 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 12:00Z on 1990-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 754 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 12:00Z on 1990-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 240 square meters per square second.19395878Sfc1 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
754 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
799 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
240 m²/s²
0-3 km storm-relative helicity
258 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTOL 082224
FFWTOL
OHC063-175-082330-
 
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE TOLEDO OH
623 PM EDT FRI JUN 8 1990
 
THE NATIONAL WEATHER SERVICE IN TOLEDO HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL  730 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTHWEST OHIO
          ...HANCOCK
IN NORTH CENTRAL OHIO
          ...WYANDOT
 
AT 620 PM EDT WEATHER SERVICE RADAR INDICATED THUNDERSTORMS WITH VERY
HEAVY RAIN OVER PORTIONS OF HANCOCK AND WYANDOT COUNTIES OF OHIO. THE
RAIN IS EXPECTED TO CONTINUE ON AND OFF UNTIL ATLEAST 630 PM EDT.
 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  TH.E 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.
 
ELH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 4:27 PM EDTSevere Thunderstorm WarningCLECoshocton63 min
Jun 8, 5:55 PM EDTSevere Thunderstorm WarningCLEGuernsey65 min
Jun 8, 6:21 PM EDTSevere Thunderstorm WarningCLEBelmont69 min
Jun 8, 6:33 PM EDTSevere Thunderstorm WarningCLEWayne57 min

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.