Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 183, NWS Louisville, KY

June 21, 1998Barren County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 21, 1998, 2:58 AM CDT for Barren County, Kentucky. It was in force for 32 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: Jun 21, 1998, 2:58 AM CDT (07:58 UTC)
Expired: Jun 21, 1998, 3:30 AM CDT
In force: 32 min
Issued by: NWS Louisville, KY
Area: Whole counties

County Barren County, KY

The radar

The Nashville radar (KOHX), 98 km from the middle of the area, began a volume at 08:02 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	Remark
Jun 21, 3:15 AM CDT	Thunderstorm Wind 50	Temple Hill, KY	DES reported trees and power lines down.

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 00:00Z, 8.0 hours before the alert went out and 110 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: 1573 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 1215 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 230 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Jun 20, 10:44 PM CDT, 4 hours 14 minutes before

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Local storm report, Jun 21, 12:27 AM CDT, 2 hours 31 minutes before

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Local storm report, Jun 21, 12:52 AM CDT, 2 hours 6 minutes before

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Local storm report, Jun 21, 12:58 AM CDT, 2 hours before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
158 AM EDT SUN JUN 21 1998

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

0150 AM    1 SW ABBOTT               KY    FLOOD
06/21/98   TRIMBLE                         PATTONS AND ORGAN
                                           CREEKS OUT OF THEIR
                                           BANKS. REPORT FROM
                                           STATE POLICE.

Local storm report, Jun 21, 1:30 AM CDT, 1 hour 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
230 AM EDT SUN JUN 21 1998

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

0215 AM    WESTPORT                  KY    FLOOD
06/21/98   OLDHAM                          ROCK SLIDE OCCURRED ON
                                           HIGHWAY 524 WHICH IS
                                           PARTIALLY BLOCKED. 10
                                           HOMES EVACUATED JUST
                                           EAST OF WESTPORT.
                                           REPORT FROM STATE POLICE.

Local storm report, Jun 21, 2:29 AM CDT, 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
329 AM EDT SUN JUN 21 1998

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

0320 AM    SCOTTSVILLE               KY    WIND DAMAGE
06/21/98   ALLEN                           TREES AND POWER LINES
                                           DOWN. REPORT FROM
                                           DISPATCH.

0325 AM    SCOTTSVILLE               KY    FLOOD
06/21/98   ALLEN                           WATER REPORTED OVER
                                           GALLATIN ROAD. SEVERAL
                                           SMALL CREEKS AT
                                           BANKFUL. REPORT FROM
                                           DISPATCH.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 4:24 AM CDT	Severe Thunderstorm Warning	LMK	Breckinridge	36 min
Jun 21, 5:41 AM CDT	Severe Thunderstorm Warning	LMK	Warren	34 min
Jun 21, 6:02 AM CDT	Flash Flood Warning	LMK	Adair, Taylor	118 min
Jun 21, 6:04 AM CDT	Flash Flood Warning	LMK	Allen, Monroe	2 hr
Jun 21, 6:15 AM CDT	Severe Thunderstorm Warning	LMK	Allen	30 min
Jun 21, 6:35 AM CDT	Severe Thunderstorm Warning	LMK	Butler	40 min
Jun 21, 7:21 AM CDT	Flash Flood Warning	LMK	Bullitt, Hardin	2 hr
Jun 21, 7:32 AM CDT	Flash Flood Warning	LMK	Adair, Barren, Cumberland, Green, Metcalfe, Monroe	2 hr
Jun 21, 7:32 AM CDT	Flash Flood Warning	LMK	Allen, Simpson, Warren	2 hr
Jun 21, 7:32 AM CDT	Flash Flood Warning	LMK	Taylor	2 hr
Jun 21, 7:36 AM CDT	Flash Flood Warning	LMK	Jefferson	114 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.