Alert archive / Ohio / Flash Flood Warnings in 1998

Flash Flood Warning 34, NWS Cleveland, OH

April 16, 1998Lorain County, Ohio

NWS Cleveland, OH issued this flash flood warning at Apr 16, 1998, 8:24 PM EDT for Lorain County, Ohio. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 16, 1998, 8:24 PM EDT (00:24 UTC)
Expired
Apr 16, 1998, 11:25 PM EDT
In force
3 hr
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 00:26 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 00:00Z, 0.4 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 00:00Z on 1998-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 210 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 00:00Z on 1998-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.1939587897117136Sfc1 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
210 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
878 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCLE 170025
FFWCLE
OHC093-170325-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
824 PM EDT THU APR 16 1998

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS FOR...
  LORAIN COUNTY IN NORTHEASTERN OHIO

* UNTIL 1125 PM EDT

* THUNDERSTORMS WITH HEAVY RAIN WILL CONTINUE TO MOVE ACROSS LORAIN
  COUNTY THROUGH 930 PM.  CLEVELAND DOPPLER RADAR HAS INDICATED THAT
  OVER AN INCH OF RAIN HAS ALREADY FALLEN ACROSS NORTHWEST LORAIN
  COUNTY.



.DON'T DRIVE ACROSS FLOODED ROADS! MOST FLASH FLOOD DEATHS OCCUR IN
AUTOMOBILES.

BARJENBRUCH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 8:32 PM EDTFlash Flood WarningCLEHuron3 hr
Apr 16, 9:16 PM EDTFlash Flood WarningCLECuyahoga3 hr
Apr 16, 10:25 PM EDTFlash Flood WarningCLEMedina3 hr
Apr 16, 10:36 PM EDTFlash Flood WarningCLEGeauga, Summit3 hr

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.