Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 147, NWS Cleveland, OH

June 12, 1998Geauga County, Summit County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 12, 1998, 8:15 PM EDT for Geauga County, Summit County, Ohio. It was in force for 2 hr. 3 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
Jun 12, 1998, 8:15 PM EDT (00:15 UTC)
Expired
Jun 12, 1998, 10:20 PM EDT
In force
2 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Geauga County, OH, Summit County, OH

The radar

The Cleveland radar (KCLE), 44 km from the middle of the area, began a volume at 00:15 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.

What was reported inside it

TimeReportWhereRemark
Jun 12, 8:36 PM EDTThunderstorm Wind 86Countywide, OHTrees, large limbs and power lines were downed, especially in the areas of Twinsburg, Stow and Springfield Township. Wind gusts were estimated at 60 miles per hour in Twinsburg and 100 miles per hour in Springfield Township.
Jun 12, 9:05 PM EDTThunderstorm Wind 56Welshfield, OHA wind gust was measured at 65 miles per hour. A tree fell on a barn in Bainbridge.
Jun 12, 9:12 PM EDTHail 0.75Portage Lakes, 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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 12, 8:15 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 0.3 hours before the alert went out and 146 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, Pittsburgh, PA at 00:00Z on 1998-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1057 joules per kilogram.LCLEL10008507005003002001001 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, Pittsburgh, PA at 00:00Z on 1998-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.19395878Sfc1 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
1057 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1287 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

836 
WUUS1 KCLE 130017 RRA
SVRCLE
OHC055-153-130220-

BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
815 PM EDT FRI JUN 12 1998

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GEAUGA COUNTY IN NORTHEASTERN OHIO
  SUMMIT COUNTY IN NORTHEASTERN OHIO

* UNTIL 1020 PM EDT

* AT 813 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  A LINE OF SEVERE THUNDERSTORMS FROM CLEVELAND SOUTHWEST THROUGH
 ASHLAND.

 THIS LINE WAS MOVING EAST AT 30 MILES PER HOUR.


.SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCE WARNING. GO INSIDE A STURDY BUILDING AND STAY
AWAY FROM WINDOWS

RINGO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 8:04 PM EDTSevere Thunderstorm WarningCLEMedina96 min
Jun 12, 8:07 PM EDTSevere Thunderstorm WarningCLELake93 min
Jun 12, 8:12 PM EDTSevere Thunderstorm WarningCLEWayne2 hr
Jun 12, 8:33 PM EDTSevere Thunderstorm WarningCLEKnox, Morrow92 min
Jun 12, 8:47 PM EDTSevere Thunderstorm WarningCLEAshtabula63 min
Jun 12, 8:47 PM EDTSevere Thunderstorm WarningCLEPortage63 min
Jun 12, 8:50 PM EDTSevere Thunderstorm WarningCLEHolmes95 min
Jun 12, 8:57 PM EDTSevere Thunderstorm WarningCLETrumbull93 min
Jun 12, 8:57 PM EDTSevere Thunderstorm WarningCLEStark93 min
Jun 12, 9:02 PM EDTTornado WarningCLESummit48 min
Jun 12, 9:34 PM EDTSevere Thunderstorm WarningCLEMahoning61 min
Jun 13, 10:49 AM EDTSevere Thunderstorm WarningCLEMedina, Wayne61 min
Jun 13, 11:11 AM EDTSevere Thunderstorm WarningCLECuyahoga64 min
Jun 13, 11:35 AM EDTSevere Thunderstorm WarningCLEGeauga65 min
Jun 13, 11:52 AM EDTSevere Thunderstorm WarningCLEPortage63 min
Jun 13, 12:43 PM EDTSevere Thunderstorm WarningCLEMahoning, Trumbull62 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; radar from the NEXRAD Level II archive.