Alert archive / Ohio / Flash Flood Warnings in 1998

Flash Flood Warning 42, NWS Cleveland, OH

May 3, 1998Huron County, Seneca County, Ohio

NWS Cleveland, OH issued this flash flood warning at May 3, 1998, 4:59 PM EDT for Huron County, Seneca 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
May 3, 1998, 4:59 PM EDT (20:59 UTC)
Expired
May 3, 1998, 8:00 PM EDT
In force
3 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Huron County, OH, Seneca County, OH

The radar

The Cleveland radar (KCLE), 89 km from the middle of the area, began a volume at 20:58 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, 9.0 hours before the alert went out and 182 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 1998-05-03Temperature 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 1998-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
706 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
-12 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 032100
FFWCLE
OHC077-147-040000-

BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
459 PM EDT SUN MAY 3 1998

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS FOR...
  HURON COUNTY IN NORTH CENTRAL OHIO
  SENECA COUNTY IN NORTHWESTERN OHIO

* UNTIL 800 PM EDT

* AT 455 PM EDT...CLEVELAND DOPPLER RADAR INDICATED THAT NEARLY AN
  INCH OF RAIN HAD FALLEN ACROSS THE SOUTHERN REACHES OF SENECA AND
  HURON COUNTIES WITHIN THE PAST HOUR.

* THUNDERSTORMS WITH A HISTORY OF PRODUCING HEAVY RAIN WILL MOVE
  ACROSS SENECA AND HURON COUNTIES THROUGH 630 PM.

.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
May 3, 4:47 PM EDTFlash Flood WarningCLEWood2 hr
May 3, 5:59 PM EDTSevere Thunderstorm WarningCLEKnox66 min
May 3, 6:23 PM EDTSevere Thunderstorm WarningCLEWood62 min
May 3, 7:14 PM EDTFlash Flood WarningCLEAshland3 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.