Alert archive / Ohio / Flash Flood Warnings in 1997

Flash Flood Warning 70, NWS Cleveland, OH

June 30, 1997Henry County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jun 30, 1997, 3:41 PM EDT for Henry County, Ohio. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 30, 1997, 3:41 PM EDT (19:41 UTC)
Expired
Jun 30, 1997, 5:45 PM EDT
In force
2 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

County Henry County, OH

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 7.7 hours before the alert went out and 163 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, Detroit, MI at 12:00Z on 1997-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 707 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 1997-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
707 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
562 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
-3 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 301945
FFWCLE
OHC069-302145-
 
FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
341 PM EDT MON JUN 30 1997
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS
EFFECTIVE UNTIL  545 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  OHIO
 
   ...HENRY COUNTY
 
AT 335 PM DOPPLER RADAR WAS SHOWING SHOWERS AND THUNDERSTORMS WITH HEAVY
RAINS OVER EASTERN HENRY COUNTY NEAR THE CITY OF MCLURE. RADAR WAS
ESTIMATING THAT AROUND 3 INCHES OF RAIN FELL BETWEEN 230 PM AND 330 PM.
 
SHOWERS AND THUNDERSTORMS WILL CONTINUE THIS AFTERNOON. THE STORM WERE
MOVING SLOWLY AND WILL PRODUCE LOCALLY HEAVY RAINS MAINLY OVER THE
EASTERN PORTION OF THE COUNTY. THESE RAINS WILL BE HEAVY ENOUGH TO CAUSE
SOME FLOODING OF RAODS AND SMALL STEAMS.
 
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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 1:16 PM EDTFlash Flood WarningCLEWood119 min
Jun 30, 2:20 PM EDTFlash Flood WarningCLELucas115 min
Jun 30, 2:56 PM EDTFlash Flood WarningCLEFulton2 hr

Nearby

Flash Flood Warnings in Ohio, 1997Every flash flood warning in 1997

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.