Alert archive / Kentucky / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 13, NWS Louisville, KY

March 12, 1986Butler County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Mar 12, 1986, 3:03 AM CST for Butler County, Kentucky. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Mar 12, 1986, 3:03 AM CST (09:03 UTC)
Expired
Mar 12, 1986, 3:30 AM CST
In force
27 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Butler 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

Nashville Metro, TN (KBNA), launched 00:00Z, 9.1 hours before the alert went out and 120 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, Nashville Metro, TN at 00:00Z on 1986-03-12Temperature 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, Nashville Metro, TN at 00:00Z on 1986-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 square meters per square second.1939587897Sfc1 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
1997 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
146 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 KEVV 120905
SVREVV
KYC141-177-059-031-219-120930-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EVANSVILLE IN
303 AM CST WED MAR 12 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 330 AM CST FOR PEOPLE IN THE FOLLOWING
COUNTIES OF


SOUTH CENTRAL KENTUCKY...LOGAN...MUHLENBERG...OHIO...BUTLER AND TODD

AT 300 AM CST VERY STRONG AND DANGEROUS THUNDERSTORMS WERE
MOVING OVER TODD AND MUHLENBERG COUNTIES IN SOUTHWEST KENTUCKY
..AND WILL ENTER LOGAN BUTLER AND OHIO COUNTIES BEFORE 330 AM.

IF THREATENING WEATHER APPROACHES GO TO A SAFE PLACE IMMEDIATELY.
TO REPORT SEVERE WEATHER CONTACT THE NEAREST LAW ENFORCEMENT ASGENCY
AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

THESE DANGEROUS THUNDERSTORMS WERE MOVING NORTHEAST AT 35
MILES AN HOUR AND ARE CAPABLE OF STRONG DAMAGING WIND LARGE
HAIL AND DANGEROUS LIGHTNING.
ZIMMER

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, Mar 11, 11:43 PM CST, 3 hours 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1140 PM CST TUE MAR 11 1986

...STRONG THUNDERSTORMS IN FAR WEST KENTUCKY...

AT 11 30 PM CENTRAL TIME STRONG THUNDERSTORMS WERE OCCURRING OVER
FAR WEST KENTUCKY FROM NEAR MAYFIELD SOUTHWEST THROUGH HICKMAN IN
FULTON COUNTY THEN SOUTH INTO TENNESSEE. STRONG GUSTY WINDS AND
HAIL ARE LIKELY WITH THESE STORMS. MARBLE SIZED HAIL HAS BEEN REPORTED
BY STATE POLICE IN MAYFIELD FROM THESE STORMS.

TO THE SOUTH IN TENNESSEE HAIL THE SIZE OF GULF BALLS HAS BEEN
OBSERVED. THESE STORMS WERE ALL MOVING RAPIDLY TO THE NORTHEAST AND
VERY STRONG STORMS IN TENNESSEE WILL LIKELY BE MOVING NORTH INTO
KENTUCKY BEFORE 2 AM CENTRAL TIME.

PERSONS IN WEST KENTUCKY ARE ADVISED TO STAY ALERT AND BE PREPARED TO
SEEK SHELTER IF THE WEATHER BECOMES UNUSUALLY THREATENING.
SCHOLZ

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 12:05 AM CSTSevere Thunderstorm WarningLMKCalloway, Graves60 min
Mar 12, 3:03 AM CSTSevere Thunderstorm WarningLMKLogan, Muhlenberg, Todd27 min
Mar 12, 3:28 AM CSTSevere Thunderstorm WarningLMKSimpson, Warren32 min
Mar 12, 4:00 AM CSTSevere Thunderstorm WarningLMKEdmonson, Grayson, Hart30 min
Mar 12, 4:15 AM CSTSevere Thunderstorm WarningLMKBullitt, Hardin, Meade60 min
Mar 12, 4:42 AM CSTTornado WarningLMKBullitt, Nelson58 min
Mar 12, 5:40 AM CSTSevere Thunderstorm WarningLMKAnderson, Franklin, Woodford60 min
Mar 12, 6:25 AM CSTSevere Thunderstorm WarningLMKBourbon, Nicholas35 min
Mar 12, 6:25 AM CSTSevere Thunderstorm WarningLMKFleming35 min
Mar 12, 6:25 AM CSTTornado WarningLMKBourbon, Fleming, Nicholas35 min
Mar 12, 7:00 AM CSTTornado WarningLMKFayette30 min
Mar 12, 7:00 AM CSTTornado WarningLMKFleming30 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.