Alert archive / Kentucky / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 2, NWS Jackson, KY

February 6, 1986Morgan County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Feb 6, 1986, 6:30 PM EST for Morgan County, Kentucky. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Feb 6, 1986, 6:30 PM EST (23:30 UTC)
Expired
Feb 6, 1986, 7:05 PM EST
In force
35 min
Issued by
NWS Jackson, KY
Area
Whole counties

County Morgan County, KY

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Huntington/Tri S, WV (KHTS), launched 12:00Z, 11.5 hours before the alert went out and 83 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, Huntington/Tri S, WV at 12:00Z on 1986-02-06Temperature 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, Huntington/Tri S, WV at 12:00Z on 1986-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.1939587897117136156Sfc1 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
614 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
61 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 KSDF 062339
SVRSDF
KYC175-070030-

BULLETIN-IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
630 PM EST THU FEB 6 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 730 PM EST FOR PEOPLE IN MORGAN COUNTY OF SOUTHEAST
KENTUCKY.

AT 630 PM EST WEATHER RADAR DETECTED A POTENTIALLY SEVERE THUNDERSTORM
OVER CENTRAL MORGAN COUNTY NEAR THE TOWN OF WEST LIBERTY 42 MILES
SOUTHWEST OF HUNTINGTON WV.

THE STORM WAS MOVING RAPIDLY TO THE NORTHEAST AT 35 MPH. THIS STORM
IS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE
HAIL.
<
IF THREATENING WEATHER APPROACHES...YOU SHOULD GO TO A SAFE PLACE
IMMEDIATELYk...AND YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY
TO RELAY YOUR SEVERE WEATHER REPORTS TO THE NATIONAL WEATHER SERVICE.

AUSTIN

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Feb 6, 5:51 PM EST, 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
545 PM EST THU FEB 6 1986

AT 545 PM RADAR SHOWED A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN
MOVING INTO THE WESTERN COUNTIES OF THE COALFIELDS.  THESE THUNDERSTORMS
WERE LOCATED FROM JUST SOUTHEAST OF LONDON TO ABOUT 40 MILES WEST OF
JACKSON AND WILL BE MOVING INTO KNOX..CLAY..AND JACKSON COUNTIES WITHIN
THE HOUR.

ELSEWHERE ACROSS SOUTHEAST KENTUCKY LIGHT TO MODERATE RAIN WAS FALLINMG
FROM JACKSON TO HAZARD TO NORTHEAST OF MIDDLESBORO.

MOVEMENT OF THE RAIN AND THUNDERSTORMS WAS TO THE NORTHEAST AT ABOUT
20 MPH.

STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATMENTS.
ADDINGTON

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 6, 6:30 PM ESTSevere Thunderstorm WarningJKLFloyd, Magoffin60 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1986Every severe thunderstorm warning in 1986

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.