Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 21, NWS Jackson, KY

April 15, 1998Clay County, Jackson County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Apr 15, 1998, 2:01 PM EDT for Clay County, Jackson County, Kentucky. It was in force for 49 min. 2 reports 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
Apr 15, 1998, 2:01 PM EDT (18:01 UTC)
Expired
Apr 15, 1998, 2:50 PM EDT
In force
49 min
Issued by
NWS Jackson, KY
Area
Whole counties

Counties Clay County, KY, Jackson County, KY

What was reported inside it

TimeReportWhereRemark
Apr 15, 2:15 PM EDTHail 1Oneida, KY
Apr 15, 2:15 PM EDTHail 1Annville, KY

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, 6.0 hours before the alert went out and 238 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 1998-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1998-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1153 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
71 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.

974 
WUUS1 KJKL 151801 RRA
SVRJKL
KYC051-109-151850-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON KY
201 PM EDT WED APR 15 1998

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CLAY COUNTY IN SOUTHEASTERN KENTUCKY
  SOUTHERN JACKSON COUNTY IN SOUTHEASTERN KENTUCKY

* UNTIL 250 PM EDT

* AT 200 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR BOND OR 35 MILES NORTHEAST OF SOMERSET...
  MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  TYNER AT 220 PM EDT
  SEXTONS CREEK AT 230 PM EDT

THIS IS A DANGEROUS STORM STAY INDOORS AWAY FROM WINDOWS.

WHP/RAB

The office that day

Everything else NWS Jackson, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 15, 2:40 PM EDTSevere Thunderstorm WarningJKLOwsley50 min
Apr 15, 2:46 PM EDTSevere Thunderstorm WarningJKLBreathitt, Perry64 min
Apr 15, 3:35 PM EDTSevere Thunderstorm WarningJKLKnott, Letcher50 min
Apr 15, 6:06 PM EDTSevere Thunderstorm WarningJKLPerry64 min
Apr 15, 6:52 PM EDTSevere Thunderstorm WarningJKLLetcher63 min
Apr 15, 7:20 PM EDTSevere Thunderstorm WarningJKLPike60 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 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.