Alert archive / Ohio / Flash Flood Warnings in 1992

Flash Flood Warning 39, NWS Cleveland, OH

July 30, 19924 counties in Ohio

NWS Cleveland, OH issued this flash flood warning at Jul 30, 1992, 9:25 PM EDT for 4 counties in Ohio. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jul 30, 1992, 9:25 PM EDT (01:25 UTC)
Expired
Jul 31, 1992, 1:30 AM EDT
In force
4 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Ashtabula County, OH, Cuyahoga County, OH, Geauga County, OH, Lake County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 1.4 hours before the alert went out and 166 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, Pittsburgh, PA at 00:00Z on 1992-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 706 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, Pittsburgh, PA at 00:00Z on 1992-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 149 square meters per square second.1939587897Sfc1 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
706 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
975 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
149 m²/s²
0-3 km storm-relative helicity
365 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCLE 310126
FFWCLE
OHC007-035-055-085-093-103-310530-
 
BULLETIN
FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
925 PM EDT THU JUL 30 1992
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  130 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST OHIO
 
   ...ASHTABULA COUNTY...CUYAHOGA COUNTY...GEAUGA COUNTY...LAKE COUNTY
   ...LORAIN COUNTY...MEDINA COUNTY
 
AT 925 PM WEATHER SERVICE RADAR SHOWED NUMEROUS SHOWERS AND
THUNDERSTORMS WITH HEAVY RAIN OVER NORTHEAST OHIO. THE PRECIPITATION
WAS NOT MOVING MUCH. THIS MEANS FLOODING IS LIKELY OVER NORTHEAST OHIO
UNTIL AT LEAST EARLY FRIDAY MORNING. THE GREATEST THREAT WILL BE IN
URBAN AREAS AND NEAR SMALL STREAMS.
 
 
 
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.
 
JJ^K

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 8:18 PM EDTTornado WarningCLEColumbiana57 min
Jul 30, 8:34 PM EDTTornado WarningCLETrumbull56 min
Jul 30, 9:25 PM EDTFlash Flood WarningCLELorain, Medina4 hr
Jul 30, 9:34 PM EDTFlash Flood WarningCLEPortage, Stark, Summit4 hr
Jul 30, 9:34 PM EDTFlash Flood WarningCLEHolmes, Wayne4 hr

Nearby

Flash Flood Warnings in Ohio, 1992Every flash flood warning in 1992

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.