Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 258, NWS Charleston, WV

August 25, 1998Morgan County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Aug 25, 1998, 5:04 PM EDT for Morgan County, Ohio. It was in force for 46 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
Aug 25, 1998, 5:04 PM EDT (21:04 UTC)
Expired
Aug 25, 1998, 5:50 PM EDT
In force
46 min
Issued by
NWS Charleston, WV
Area
Whole counties

County Morgan County, OH

The radar

The Charleston,WV radar (KRLX), 146 km from the middle of the area, began a volume at 21:10 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
Aug 25, 5:45 PM EDTThunderstorm WindMalta, 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
Aug 25, 2:30 PM EDTSevere Thunderstorm WatchSPC7 hr
Aug 25, 4:45 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.1 hours before the alert went out and 168 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 12:00Z on 1998-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 369 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 12:00Z on 1998-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.193958Sfc1 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
369 J/kg
Mixed-layer CIN
-244 J/kg
Mixed-layer LCL
1371 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCRW 252104 RRA
SVRCRW
OHC115-252150-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
504 PM EDT TUE AUG 25 1998

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN MORGAN COUNTY OHIO

* UNTIL 550 PM EDT

* AT 501 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM 12 MILES NORTHEAST OF MCCONNELSVILLE OR 7
  MILES NORTH OF REINERSVILLE MOVING SOUTHEAST AT 35 MPH.

* SOME COMMUNITIES WHICH MAY BE AFFECTED BY THIS STORM ARE...
   REINERSVILLE.
   HACKNEY.

DAMAGING WINDS AND LARGE HAIL ARE LIKELY.  GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!  A TORNADO HWATCH IS ALSO IN
EFFECT!

PLEASE REPORT ANY TORNADOES...HAIL OR STRONG WINDS BY CALLING TOLL
FREE AT 877-633-6772.

.END/JMV

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 25, 4:32 PM EDTSevere Thunderstorm WarningRLXPerry48 min
Aug 25, 5:35 PM EDTSevere Thunderstorm WarningRLXPerry35 min
Aug 25, 5:56 PM EDTTornado WarningRLXMorgan34 min
Aug 25, 5:57 PM EDTSevere Thunderstorm WarningRLXAthens, Washington63 min
Aug 25, 6:17 PM EDTSevere Thunderstorm WarningRLXVinton43 min
Aug 25, 6:46 PM EDTTornado WarningRLXMeigs49 min
Aug 25, 7:05 PM EDTSevere Thunderstorm WarningRLXAthens20 min
Aug 25, 7:44 PM EDTSevere Thunderstorm WarningRLXJackson, Lawrence51 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.