Alert archive / Ohio / Flash Flood Warnings in 1998

Flash Flood Warning 29, NWS Cleveland, OH

February 28, 1998Lorain County, Ohio

NWS Cleveland, OH issued this flash flood warning at Feb 28, 1998, 5:29 PM EST for Lorain County, Ohio. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 28, 1998, 5:29 PM EST (22:29 UTC)
Expired
Feb 28, 1998, 6:30 PM EST
In force
61 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Lorain County, OH

The radar

The Cleveland radar (KCLE), 25 km from the middle of the area, began a volume at 22:31 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 10.5 hours before the alert went out and 176 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 1998-02-28Temperature 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 1998-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
1567 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
35 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 282233
FFWCLE
OHC093-282330-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAM
NATIONAL WEATHER SERVICE CLEVELAND OH
529 PM EST SAT FEB 28 1998
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAM
EFFECTIVE UNTIL  630 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  OHIO
 
   ...LORAIN COUNTY
 
AT 530 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR IN CLEVELAND
INDICATED A NEARLY STATIONARY THUNDERSTORM PRODUCING ESTIMATED RAINFALL
AT THE RATE OF 1.5 INCHES PER HOUR. THIS STORM WAS LOCATED NEAR SOUTH
AMHERST...AND WAS SHOWING LITTLE MOVEMENT.
 
 
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.
 
 
MILLER

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 4:50 PM ESTFlash Flood WarningCLERichland70 min
Feb 28, 5:43 PM ESTSevere Thunderstorm WarningCLEHuron47 min

Nearby

Flash Flood Warnings in Ohio, 1998Every flash flood warning in 1998

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; radar from the NEXRAD Level II archive.