Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 128, NWS Charleston, WV

August 17, 1997Lawrence County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Aug 17, 1997, 2:41 PM EDT for Lawrence County, Ohio. It was in force for 49 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 17, 1997, 2:41 PM EDT (18:41 UTC)
Expired
Aug 17, 1997, 3:30 PM EDT
In force
49 min
Issued by
NWS Charleston, WV
Area
Whole counties

County Lawrence County, OH

The radar

The Charleston,WV radar (KRLX), 78 km from the middle of the area, began a volume at 18:38 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 17, 3:10 PM EDTThunderstorm WindProctorville, OHNumerous trees were fallen along Route 775. Wind gusts were estimated at 60 to 65 mph.

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 17, 1:15 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.7 hours before the alert went out and 143 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 1997-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 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 1997-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
39 J/kg
Mixed-layer CIN
-211 J/kg
Mixed-layer LCL
934 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
131 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.

471 
WUUS1 KCRW 171846
SVRCRW
OHC087-171930-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
241 PM EDT SUN AUG 17 1997

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......

IN SOUTHEAST OHIO

   ...SOUTHERN LAWRENCE COUNTY

RADAR INDICATES THUNDERSTORMS SOUTH OF IRONTON WILL MOVE INTO SOUTHERN
LAWRENCE COUNTY OHIO AND BECOME SEVERE. THESE STORMS ARE MOVING 40
MPH TO THE EAST NORTHEAST.

<< CALL TO ACTION >> THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS
PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...
LARGE HAIL...AND DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A S
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 17, 12:57 AM EDTFlash Flood WarningRLXPerry2 hr
Aug 17, 12:32 PM EDTSevere Thunderstorm WarningRLXJackson58 min
Aug 17, 12:46 PM EDTSevere Thunderstorm WarningRLXVinton59 min
Aug 17, 1:05 PM EDTSevere Thunderstorm WarningRLXGallia, Meigs55 min
Aug 17, 1:30 PM EDTSevere Thunderstorm WarningRLXJackson15 min
Aug 17, 1:48 PM EDTSevere Thunderstorm WarningRLXAthens, Washington57 min
Aug 17, 2:16 PM EDTSevere Thunderstorm WarningRLXGallia44 min
Aug 17, 4:06 PM EDTSevere Thunderstorm WarningRLXGallia, Jackson, Meigs, Vinton54 min
Aug 17, 4:17 PM EDTSevere Thunderstorm WarningRLXLawrence43 min
Aug 17, 4:50 PM EDTSevere Thunderstorm WarningRLXLawrence55 min
Aug 17, 4:50 PM EDTSevere Thunderstorm WarningRLXAthens55 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1997Every severe thunderstorm warning in 1997

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.