Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 1, NWS Louisville, KY

March 8, 1998Simpson County, Warren County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Mar 8, 1998, 5:32 PM CST for Simpson County, Warren County, Kentucky. It was in force for 33 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
Mar 8, 1998, 5:32 PM CST (23:32 UTC)
Expired
Mar 8, 1998, 6:05 PM CST
In force
33 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Simpson County, KY, Warren County, KY

The radar

The Nashville radar (KOHX), 69 km from the middle of the area, began a volume at 23:34 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

TimeReportWhereRemark
Mar 8, 5:35 PM CSTHail 0.88Franklin, KYNickel size hail reported.

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

Nashville Metro, TN (KBNA), 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, Nashville Metro, TN at 12:00Z on 1998-03-08Temperature 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 12:00Z on 1998-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 335 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
586 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
335 m²/s²
0-3 km storm-relative helicity
356 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 082333 RRA
SVRSDF
KYC213-227-090005-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
632 PM EST (532 PM CST) SUN MAR 8 1998

* SEVERE THUNDERSTORM WARNING FOR
  SIMPSON COUNTY - SOUTH CENTRAL KENTUCKY
  WARREN COUNTY - SOUTH CENTRAL KENTUCKY

* UNTIL 605 PM CST (705 PM EST)

* SOME LOCATIONS AFFECTED
  FRANKLIN BY 545 CST
  BOWLING GREEN BY 600 CST

* AT 530 PM CST WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
35 MILES SOUTH OF BOWLING GREEN NEAR THE TENNESSEE BORDER. THE STORM
WAS MOVING NORTH AT 40 TO 45 MPH.

IF YOU ARE OUTSIDE OR IN THE PATH OF THIS STORM...SEEK SHELTER
INSIDE A STRONG BUILDING. AVOID WINDOWS AND STAY OFF THE TELEPHONE
UNTIL THE STORM HAS PASSED.



JD/AB/LD

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; radar from the NEXRAD Level II archive.