Alert archive / Ohio / Flash Flood Warnings in 1990

Flash Flood Warning 84, NWS Cleveland, OH

September 9, 1990Cuyahoga County, Lorain County, Ohio

NWS Cleveland, OH issued this flash flood warning at Sep 9, 1990, 9:03 AM EDT for Cuyahoga County, Lorain County, Ohio. It was in force for 117 min.

The area

The counties it named.

The facts

Issued
Sep 9, 1990, 9:03 AM EDT (13:03 UTC)
Expired
Sep 9, 1990, 11:00 AM EDT
In force
117 min
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Cuyahoga County, OH, Lorain 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, 1.1 hours before the alert went out and 187 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 1990-09-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Detroit, MI at 12:00Z on 1990-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1034 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
-15 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 091304
FFWCLE
OHC035-093-091500-
 
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
903 AM EDT SUN SEP 9 1990
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL 1100 AM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTHEAST OHIO
          ...CUYAHOGA...LORAIN
 
AN URBAN AND SMALL STREAM FLOOD WARNING FOR CUYAHOGA
COUNTY HAS BEEN ISSUED AND THE WARNING FOR LORAIN COUNTY HAS
BEEN CONTINUED.
 
HIGH WATER ON ROADWAYS AND FLOODED BASEMENTS AS WELL AS A GENERAL
BACKUP OF STORM SEWERS IN CUYAHOGA AND LORAIN COUNTIES HAS PROMPTED
THE WARNING. IN WESTLAKE OHIO NEARLY TWO AND ONE HALF INCHES OF
RAIN FELL OVERNIGHT AND AREAS OF THE METROPARKS ARE NEARLY IN FLOOD
NOW.
 
 
 
 
 
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE
ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.
HEATHFIELD

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 9, 7:23 AM EDTFlash Flood WarningCLESeneca97 min
Sep 9, 9:47 AM EDTFlash Flood WarningCLEBelmont, Guernsey, Noble, Washington118 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.