Alert archive / Ohio / Flash Flood Warnings in 1990

Flash Flood Warning 65, NWS Cleveland, OH

August 19, 1990Cuyahoga County, Lorain County, Medina County, Ohio

NWS Cleveland, OH issued this flash flood warning at Aug 19, 1990, 3:04 AM EDT for Cuyahoga County, Lorain County, Medina County, Ohio. It was in force for 116 min.

The area

The counties it named.

The facts

Issued
Aug 19, 1990, 3:04 AM EDT (07:04 UTC)
Expired
Aug 19, 1990, 5:00 AM EDT
In force
116 min
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Cuyahoga County, OH, Lorain County, OH, Medina 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

Pittsburgh, PA (KPIT), launched 00:00Z, 7.1 hours before the alert went out and 185 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 1990-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 339 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 1990-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
339 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
674 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
58 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 190658
FFWCLE
OHC035-093-103-190900-
 
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
304 AM EDT SUN AUG 19 1990
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL  500 AM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTHEAST OHIO
          ...CUYAHOGA...LORAIN...MEDINA
 
AT 250 AM...RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN OVER
LORAIN...MEDIAN AND CUYAHOGA COUNTIERS. THE LORAIN COUNTY SHERIFF`S
OFFICE REPORTED SOME STREETS WERE FLOODING IN ELYRIA. ADDITIONAL RAIN
WITH EMBEDDED THUNDERSTORMS WAS OVER LAKE ERIE WHICH WILL ALSO MOVE
ACROSS NORTHERN OHIO BY 5AM.
 
 
LGABRIC

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 8:30 PM EDTSevere Thunderstorm WarningCLEWashington60 min
Aug 19, 3:39 AM EDTFlash Flood WarningCLEStark, Summit3 hr
Aug 19, 6:34 AM EDTSevere Thunderstorm WarningCLEErie56 min
Aug 19, 2:26 PM EDTSevere Thunderstorm WarningCLEWyandot34 min
Aug 19, 3:38 PM EDTSevere Thunderstorm WarningCLEStark, Wayne67 min
Aug 19, 4:12 PM EDTSevere Thunderstorm WarningCLEHolmes, Tuscarawas63 min
Aug 19, 4:17 PM EDTSevere Thunderstorm WarningCLECoshocton58 min
Aug 19, 4:58 PM EDTSevere Thunderstorm WarningCLEGuernsey62 min
Aug 19, 6:08 PM EDTSevere Thunderstorm WarningCLEWashington67 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.