Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 455, NWS Cleveland, OH

December 6, 1998Ottawa County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Dec 6, 1998, 11:33 PM EST for Ottawa County, Ohio. It was in force for 32 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
Dec 6, 1998, 11:33 PM EST (04:33 UTC)
Expired
Dec 7, 1998, 12:05 AM EST
In force
32 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Ottawa County, OH

The watch it was issued in

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

IssuedProductOfficeLasted
Dec 6, 10:00 PM ESTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 4.6 hours before the alert went out and 142 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 1998-12-07Temperature 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 00:00Z on 1998-12-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.1939587897117136156Sfc1 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
631 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
163 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.

741 
WUUS1 KCLE 070437 RRA
SVRCLE
OHC123-143-147-175-070505-

BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1133 PM EST SUN DEC 6 1998

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  OTTAWA COUNTY IN NORTHWESTERN OHIO
  SANDUSKY COUNTY IN NORTHWESTERN OHIO
  SENECA COUNTY IN NORTHWESTERN OHIO
  WYANDOT COUNTY IN NORTHWESTERN OHIO
  
* UNTIL 1205 AM EST

* AT 1135 PM EST... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF THUNDERSTORMS...FROM TOLEDO TO OTTAWA AND WAS MOVING EAST
  AT 35 MPH.

* SOME CITIES IN THE PATH OF THE STORMS ARE
  PORT CLINTON...
  FREMONT...
  TIFFIN...
  UPPER SANDUSKY...

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

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, 11:56 PM ESTSevere Thunderstorm WarningCLECrawford, Marion49 min
Dec 6, 11:56 PM ESTSevere Thunderstorm WarningCLEErie, Huron49 min
Dec 7, 12:27 AM ESTSevere Thunderstorm WarningCLEKnox, Morrow, Richland48 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; the sounding from the Mesonet's radiosonde archive.