Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 141, NWS Cleveland, OH

June 12, 1998Cuyahoga County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 12, 1998, 7:50 PM EDT for Cuyahoga County, Ohio. It was in force for 95 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
Jun 12, 1998, 7:50 PM EDT (23:50 UTC)
Expired
Jun 12, 1998, 9:25 PM EDT
In force
95 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Cuyahoga County, OH

The radar

The Cleveland radar (KCLE), 17 km from the middle of the area, began a volume at 23:52 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, 8:03 PM EDTThunderstorm Wind 50Countywide, OHNumerous trees and power lines were downed. A 58 mile per hour wind gust was measured at Cleveland Hopkins International Airport..

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, 4:45 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 11.8 hours before the alert went out and 178 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 12:00Z on 1998-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 629 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, Pittsburgh, PA at 12:00Z on 1998-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 240 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
629 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
549 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
240 m²/s²
0-3 km storm-relative helicity
240 m²/s²
Significant tornado parameter
0.7
Supercell composite
5.4

Open this sounding in Storm Lab

The text

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

674 
WUUS1 KCLE 122352 RRA
SVRCLE
OHC035-OHZ524-130125-

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

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CUYAHOGA COUNTY INCLUDING ADJACENT COASTAL WATERS IN NORTHEASTERN OHIO

* UNTIL 925 PM EDT

* AT 749 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
 A LINE OF SEVERE THUNDERSTORM FROM AVON LAKE SOUTHWEST TO WEST CENTRAL
 OHIO. 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

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 5:23 PM EDTTornado WarningCLELucas47 min
Jun 12, 5:42 PM EDTSevere Thunderstorm WarningCLEWood63 min
Jun 12, 5:57 PM EDTSevere Thunderstorm WarningCLEOttawa63 min
Jun 12, 6:30 PM EDTSevere Thunderstorm WarningCLESandusky50 min
Jun 12, 6:41 PM EDTFlash Flood WarningCLEWood119 min
Jun 12, 6:44 PM EDTSevere Thunderstorm WarningCLEHancock, Seneca61 min
Jun 12, 6:55 PM EDTSevere Thunderstorm WarningCLEErie, Huron60 min
Jun 12, 7:06 PM EDTTornado WarningCLEErie49 min
Jun 12, 7:09 PM EDTTornado WarningCLESeneca51 min
Jun 12, 7:21 PM EDTSevere Thunderstorm WarningCLEWyandot64 min
Jun 12, 7:26 PM EDTSevere Thunderstorm WarningCLELorain79 min
Jun 12, 7:29 PM EDTSevere Thunderstorm WarningCLECrawford61 min
Jun 12, 7:48 PM EDTTornado WarningCLELorain47 min
Jun 12, 7:55 PM EDTSevere Thunderstorm WarningCLEAshland, Richland2 hr

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.