Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 97, NWS Louisville, KY

May 25, 1998Adair County, Taylor County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at May 25, 1998, 9:50 AM CDT for Adair County, Taylor County, Kentucky. It was in force for 30 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 25, 1998, 9:50 AM CDT (14:50 UTC)
Expired: May 25, 1998, 10:20 AM CDT
In force: 30 min
Issued by: NWS Louisville, KY
Area: Whole counties

Counties Adair County, KY, Taylor County, KY

The radar

The Louisville radar (KLVX), 100 km from the middle of the area, began a volume at 14:49 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

Time	Report	Where
May 25, 10:12 AM CDT	Thunderstorm Wind 50	Campbellsville, KY
May 25, 10:13 AM CDT	Thunderstorm Wind 50	Yuma, KY
May 25, 10:25 AM CDT	Thunderstorm Wind 50	Campbellsville, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 25, 7:45 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 2.8 hours before the alert went out and 169 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: 2174 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 774 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 182 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 5.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSDF 251451 RRA
SVRSDF
KYC001-217-251520-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1050 AM EDT (950 AM CDT) MON MAY 25 1998

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ADAIR COUNTY IN SOUTH CENTRAL KENTUCKY
  TAYLOR COUNTY IN SOUTH CENTRAL KENTUCKY

* UNTIL 1020 AM CDT (1120 AM EDT)

* NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM 45 MILES NORTHEAST OF BOWLING GREEN NEAR
  GREENSBURG...MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CAMPBELLSVILLE BY 1105 AM EDT
  COLUMBIA BY 1105 EDT

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!

REITMEYER

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

Local storm report, May 25, 8:53 AM CDT, 57 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
953 AM EDT MON MAY 25 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0952 AM    2 NW BOWLING GREEN        KY   1.75 INCH HAIL
05/25/98   WARREN

Local storm report, May 25, 9:26 AM CDT, 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
1026 AM EDT MON MAY 25 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1024 AM    FRANKLIN                  KY   1 INCH HAIL
05/25/98   SIMPSON                        1 INCH HAIL REPORTED AT
                                          FRANKLIN IN SIMPSON COUNTY

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 7:44 AM CDT	Severe Thunderstorm Warning	LMK	Butler	46 min
May 25, 8:28 AM CDT	Tornado Warning	LMK	Edmonson, Warren	47 min
May 25, 9:12 AM CDT	Severe Thunderstorm Warning	LMK	Simpson	33 min
May 25, 9:31 AM CDT	Severe Thunderstorm Warning	LMK	Allen	29 min
May 25, 9:39 AM CDT	Severe Thunderstorm Warning	LMK	Green, Metcalfe	31 min
May 25, 10:01 AM CDT	Severe Thunderstorm Warning	LMK	Monroe	49 min
May 25, 10:11 AM CDT	Severe Thunderstorm Warning	LMK	Casey, Russell	44 min
May 25, 6:36 PM CDT	Severe Thunderstorm Warning	LMK	Logan	34 min
May 25, 6:56 PM CDT	Severe Thunderstorm Warning	LMK	Adair, Casey	34 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1998 Every 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.