Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 252, NWS Cleveland, OH

June 29, 1998Ashland County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 29, 1998, 4:28 AM EDT for Ashland County, Ohio. It was in force for 37 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 29, 1998, 4:28 AM EDT (08:28 UTC)
Expired
Jun 29, 1998, 5:05 AM EDT
In force
37 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Ashland County, OH

The radar

The Cleveland radar (KCLE), 72 km from the middle of the area, began a volume at 08:30 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 29, 4:30 AM EDTHail 0.75Mc Kay, 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

Pittsburgh, PA (KPIT), launched 00:00Z, 8.5 hours before the alert went out and 190 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 1998-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2035 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 1998-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 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
2035 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
656 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
231 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.6

Open this sounding in Storm Lab

The text

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

545 
WUUS1 KCLE 290828 RRA
SVRCLE
OHC005-290905-

BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
428 AM EDT MON JUN 29 1998

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ASHLAND COUNTY IN NORTH CENTRAL OHIO

* UNTIL 505 AM EDT

* AT 428 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES SOUTHEAST OF ASHLAND OR IN THE VICINITY
  OF MCKAY MOVING SOUTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL MOVE NEAR...
  MCKAY
  LAKE FORK
  MCZENA

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. 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 28, 8:01 PM EDTSevere Thunderstorm WarningCLETrumbull64 min
Jun 28, 9:24 PM EDTFlash Flood WarningCLEKnox, Morrow2 hr
Jun 29, 4:40 AM EDTSevere Thunderstorm WarningCLEWayne65 min
Jun 29, 5:00 AM EDTSevere Thunderstorm WarningCLESeneca65 min
Jun 29, 5:07 AM EDTSevere Thunderstorm WarningCLEStark63 min
Jun 29, 5:40 AM EDTSevere Thunderstorm WarningCLEHuron65 min
Jun 29, 9:32 AM EDTSevere Thunderstorm WarningCLECrawford, Marion63 min
Jun 29, 11:28 AM EDTSevere Thunderstorm WarningCLEStark32 min
Jun 29, 7:37 PM EDTSevere Thunderstorm WarningCLEAshland, Wayne63 min
Jun 29, 7:52 PM EDTSevere Thunderstorm WarningCLEHolmes48 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.