Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 425, NWS Cleveland, OH

September 20, 1998Hancock County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Sep 20, 1998, 5:38 PM EDT for Hancock County, Ohio. It was in force for 32 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Sep 20, 1998, 5:38 PM EDT (21:38 UTC)
Expired
Sep 20, 1998, 6:10 PM EDT
In force
32 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Hancock County, OH

What was reported inside it

TimeReportWhereRemark
Sep 20, 5:45 PM EDTThunderstorm WindVan Buren, OHLarge branches and at least one tree were downed. A corn field was blown down and awnings were damaged at a campground..
Sep 20, 5:45 PM EDTHail 0.75Van Buren, OH

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 9.6 hours before the alert went out and 192 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 1998-09-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 147 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 12:00Z on 1998-09-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.193958Sfc1 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
147 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
1350 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
83 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.

633 
WUUS1 KCLE 202139 RRA
SVRCLE
OHC063-202210-

BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
538 PM EDT SUN SEP 20 1998

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HANCOCK COUNTY IN NORTHWESTERN OHIO

* UNTIL 610 PM EDT

* AT 537 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES NORTHWEST OF FINDLAY OR 2 MILES WEST OF
  MORTIMER MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL MOVE NEAR...
  VAN BUREN
  ARCADIA
  WEST INDEPENDENCE

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. GO INSIDE
A STURDY BUILDING AND STAY AWAY FROM WINDOWS

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cleveland, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 20, 3:44 PM EDT, 1 hour 54 minutes earlier.

Area forecast discussion, Sep 20, 3:44 PM EDT, 1 hour 54 minutes before
TOL WB 063/074 049/062 043 09552
CLE WC 065/076 055/064 046 09463
CAK WC 064/077 053/064 043 09363
YNG WC 063/077 052/064 042 09363
ERI WC 066/077 054/063 046 09364
CVG TB 067/080 058/076 048 25473
DAY TvB 066/080 055/072 046 25473
CMH TB 067/081 055/071 045 25473

WCR

Nearby

Severe Thunderstorm Warnings in Ohio, 1998Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.