Alert archive / Ohio / Flash Flood Warnings in 1987

Flash Flood Warning 1, NWS Cleveland, OH

June 23, 1987Washington County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jun 23, 1987, 1:38 AM EDT for Washington County, Ohio. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jun 23, 1987, 1:38 AM EDT (05:38 UTC)
Expired
Jun 23, 1987, 5:40 AM EDT
In force
4 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

County Washington 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

Huntington/Tri S, WV (KHTS), launched 00:00Z, 5.6 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 1987-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1404 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 1987-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 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
1404 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
949 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCAK 230539
FFWCAK
OHC167-230940-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AKRON CANTON OH
138 AM EDT TUE JUN 23 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 540 AM EDT FOR THE FOLLOWING COUNTY OF
 
SOUTHEAST OHIO... WASHINGTON
 
AT 130 AM THE WASHINGTON COUNTY SHERIFF'S DEPARTMENT REPORTED FLASH
FLOODING NEAR MARIETTA. UNDERPINNINGS WERE SWEPT FROM UNDER SOME
MOBILE HOMES AND 3 FEET OF WATER WAS REPORTED ON SOME ROADWAYS.
RADAR WAS SHOWING THE HEAVY RAINS MOVING OUT OF WASHINGTON COUNTY
BUT WATER LEVELS WILL LIKELY REMAIN FOR A FEW HOURS.
 
FLASH FLOODING HAS BEEN REPORTED IN THIS AREA.  IF YOU LIVE NEAR
FLOOD PRONE AREAS GO IMMEDIATELY TO HIGHER GROUND.
 
BROOKY

Nearby

Flash Flood Warnings in Ohio, 1987Every flash flood warning in 1987

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.