Alert archive / Ohio / Flash Flood Warnings in 1990

Flash Flood Warning 6, NWS Cleveland, OH

February 24, 1990Lucas County, Ohio

NWS Cleveland, OH issued this flash flood warning at Feb 24, 1990, 1:28 PM EST for Lucas County, Ohio. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Feb 24, 1990, 1:28 PM EST (18:28 UTC)
Expired
Feb 24, 1990, 5:30 PM EST
In force
4 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

County Lucas 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

Detroit, MI (KFNT), launched 12:00Z, 6.5 hours before the alert went out and 115 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 1990-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Detroit, MI at 12:00Z on 1990-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
688 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
169 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 KTOL 241829
FFWTOL
OHC095-242230-
 
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE TOLEDO OH
128 PM EST SAT FEB 24 1990
 
THE NATIONAL WEATHER SERVICE IN TOLEDO HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL  530 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTHWEST OHIO
          ...LUCAS
 
THE SWAN CREEK IN METROPOLITAN TOLEDO HAS GONE ABOVE FLOOD STAGE THIS
AFTERNOON. RESIDENTS IN THE SWAN CREEK AREA HAVE BEEN EVACUATED.
PEOPLE IN THIS AREA SHOULD FOLLOW INSTRUCTIONS ISSUED BY AUTHOURITIES
ON THE SCENE.
 
 
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.
 
SPICER

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.