Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 13, NWS Charleston, WV

February 17, 1998Carter County, Lawrence County, Kentucky

NWS Charleston, WV issued this severe thunderstorm warning at Feb 17, 1998, 12:34 PM EST for Carter County, Lawrence County, Kentucky. It was in force for 26 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: Feb 17, 1998, 12:34 PM EST (17:34 UTC)
Expired: Feb 17, 1998, 1:00 PM EST
In force: 26 min
Issued by: NWS Charleston, WV
Area: Whole counties

Counties Carter County, KY, Lawrence County, KY

The radar

The Jackson,KY radar (KJKL), 76 km from the middle of the area, began a volume at 17:35 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

Time	Report	Where	Remark
Feb 17, 12:45 PM EST	Thunderstorm Wind	Blaine, KY	Wind gusts were estimated at 60 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 5.6 hours before the alert went out and 158 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 606 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 424 m²/s²
0-3 km storm-relative helicity: 489 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.

000 
TTAA00 KCRW 171734 RRA
SVRCRW
KYC043-127-171800-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
1234 PM EST TUE FEB 17 1998
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  100 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN EAST KENTUCKY
 
   ...CARTER COUNTY...LAWRENCE COUNTY
 
AT 1230 PM...NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF SEVERE
THUNDERSTORMS TRACKING INTO THE SOUTHERN ENDS OF THESE COUNTIES.
DAMAGING WINDS WILL LIKELY ACCOMPANY THE PASSAGE OF THESE STORMS AS THEY
TRACK RAPIDLY NORTHWARD. EARLIER...THESE STORMS PRODUCED WIND GUSTS TO
58 MILES AN HOUR IN JACKSON.
 
<< CALL TO ACTION >> IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER
FROM THE WEATHER IN A STRONG BUILDING.  DAMAGING WIND...LARGE HAIL
...HEAVY RAIN...AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE
THUNDERSTORMS. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 17, 12:51 PM EST	Severe Thunderstorm Warning	RLX	Boyd, Greenup	54 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1998 Every 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.