Alert archive / Ohio / Flash Flood Warnings in 1991

Flash Flood Warning 13, NWS Cleveland, OH

August 19, 1991Erie County, Huron County, Ohio

NWS Cleveland, OH issued this flash flood warning at Aug 19, 1991, 5:12 PM EDT for Erie County, Huron County, Ohio. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Aug 19, 1991, 5:12 PM EDT (21:12 UTC)
Expired
Aug 19, 1991, 7:15 PM EDT
In force
2 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Erie County, OH, Huron County, OH

The nearest sounding before it

Detroit, MI (KFNT), launched 12:00Z, 9.2 hours before the alert went out and 172 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 1991-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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 1991-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
3 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
709 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
92 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 192105
FFWCLE
OHC043-077-192315-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
512 PM EDT MON AUG 19 1991
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  715 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL OHIO
 
   ...ERIE COUNTY...HURON COUNTY
 
AT 5 PM WEATHER SERVICE RADAR SHOWED NEARLY STATIONARY THUNDERSTORMS
WITH HEAVY RAINS OVER ERIE AND HURON COUNTIES... MAINLY BETWEEN
SANDUSKY AND NORWALK. THESE STORMS COULD EASILY CAUSE FLOODING OF
STREETS... CREEKS... AND OTHER LOW-LYING AREAS.
 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAbT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
JK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 11:58 AM EDTSevere Thunderstorm WarningCLEHolmes62 min
Aug 19, 4:30 PM EDTFlash Flood WarningCLEOttawa60 min
Aug 19, 4:33 PM EDTTornado WarningCLEGeauga42 min
Aug 19, 5:28 PM EDTFlash Flood WarningCLEOttawa2 hr
Aug 19, 7:51 PM EDTFlash Flood WarningCLEOttawa2 hr

Nearby

Flash Flood Warnings in Ohio, 1991Every flash flood warning in 1991

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.