Alert archive / Kentucky / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 13, NWS Louisville, KY

May 16, 19904 counties in Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at May 16, 1990, 11:09 PM EDT for 4 counties in Kentucky. It was in force for 51 min. 3 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: May 16, 1990, 11:09 PM EDT (03:09 UTC)
Expired: May 17, 1990, 12:00 AM EDT
In force: 51 min
Issued by: NWS Louisville, KY
Area: Whole counties

Counties Bullitt County, KY, Hardin County, KY, Jefferson County, KY, Oldham County, KY

The radar

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

What was reported inside it

Time	Report	Where
May 16, 11:20 PM EDT	Thunderstorm Wind 0	Jefferson, KY
May 16, 11:30 PM EDT	Thunderstorm Wind 69	Hardin, KY
May 16, 11:30 PM EDT	Thunderstorm Wind 0	Bullitt, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 3.2 hours before the alert went out and 230 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: 1039 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1226 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 164 m²/s²
0-3 km storm-relative helicity: 225 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 6.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSDF 170310
SVRSDF
KYC029-093-111-185-223-170400-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1109 PM EDT WED MAY 16 1990
 
THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL MIDNIGHT EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTH CENTRAL KENTUCKY
          ...BULLITT...HARDIN...JEFFERSON...OLDHAM...TRIMBLE
 
AT 1100 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS EXTENDING FROM 25 MILES NORTH OF LOUISVILLE NEAR
CHARLESTOWN INDIANA TO 25 MILES SOUTHWEST OF LOUISVILLE NEAR VINE
GROVE. ROOF DAMAGE WAS REPORTED AT A HOME IN BRECKINRIDGE COUNTY
AT 1045 PM EDT.
 
THE LINE OF SEVERE STORMS WAS MOVING EAST AT 20 MPH AND WILL TRACK
INTO LOUISVILLE BY 1125 PM EDT.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
LIGHTNING IS THE SINGLE WORST KILLER WITHIN A THUNDERSTORM
...SO STAY INDOORS AND AVOID USING ELECTRICAL APPLIANCES.
HEAVY RAINS FROM THUNDERSTORMS FLOOD ROADWAYS QUICKLY
...SO AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.
 
KIRKPATRICK

The office that day

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

Issued	Product	Office	Counties	Lasted
May 16, 11:09 PM EDT	Severe Thunderstorm Warning	LMK	Trimble	51 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1990 Every severe thunderstorm warning in 1990

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.