Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 458, NWS Cleveland, OH

December 7, 1998Knox County, Morrow County, Richland County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Dec 7, 1998, 12:27 AM EST for Knox County, Morrow County, Richland County, Ohio. It was in force for 48 min. 1 report 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
Dec 7, 1998, 12:27 AM EST (05:27 UTC)
Expired
Dec 7, 1998, 1:15 AM EST
In force
48 min
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Knox County, OH, Morrow County, OH, Richland County, OH

What was reported inside it

TimeReportWhereRemark
Dec 7, 1:00 AM ESTThunderstorm WindCentral Portion, OHTrees were downed near the towns of Lucas and Ontario.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Dec 7, 12:15 AM ESTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 5.5 hours before the alert went out and 163 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, Cncnati-Daytn, OH at 00:00Z on 1998-12-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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, Cncnati-Daytn, OH at 00:00Z on 1998-12-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 397 square meters per square second.1939587897117Sfc1 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
6 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1109 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
397 m²/s²
0-3 km storm-relative helicity
409 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.

959 
WUUS1 KCLE 070529 RRA
SVRCLE
OHC005-083-093-117-139-070615-

BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1227 AM EST MON DEC 7 1998

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ASHLAND COUNTY IN NORTH CENTRAL OHIO
  KNOX COUNTY IN NORTH CENTRAL OHIO
  LORAIN COUNTY IN NORTHEASTERN OHIO
  MORROW COUNTY IN NORTH CENTRAL OHIO
  RICHLAND COUNTY IN NORTH CENTRAL OHIO

* UNTIL 115 AM EST

* NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS EXTENDING FROM SANDUSKY TO BELLEVUE TO TIFFIN AT 1225 AM
  EST.

* THESE STORMS WILL BE NEAR
  LORAIN
  MANSFIELD
  MOUNT GILEAD
  MOUNT VERNON


THIS STORM HAS A HISTORY OF DAMAGING WIND. GO INSIDE A STURDY BUILDING
AND STAY AWAY FROM WINDOWS


$$
MILLER

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 6, 11:09 PM ESTSevere Thunderstorm WarningCLELucas, Wood36 min
Dec 6, 11:09 PM ESTSevere Thunderstorm WarningCLEHancock36 min
Dec 6, 11:33 PM ESTSevere Thunderstorm WarningCLESandusky, Seneca, Wyandot32 min
Dec 6, 11:33 PM ESTSevere Thunderstorm WarningCLEOttawa32 min
Dec 6, 11:56 PM ESTSevere Thunderstorm WarningCLECrawford, Marion49 min
Dec 6, 11:56 PM ESTSevere Thunderstorm WarningCLEErie, Huron49 min
Dec 7, 12:27 AM ESTSevere Thunderstorm WarningCLEAshland, Lorain48 min

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.