Alert archive / Kentucky / Tornado Warnings in 1998

Tornado Warning 17, NWS Louisville, KY

April 8, 1998Green County, Metcalfe County, Kentucky

NWS Louisville, KY issued this tornado warning at Apr 8, 1998, 2:57 AM CDT for Green County, Metcalfe County, Kentucky. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 8, 1998, 2:57 AM CDT (07:57 UTC)
Expired
Apr 8, 1998, 3:20 AM CDT
In force
23 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Green County, KY, Metcalfe County, KY

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 8, 2:00 AM CDTTornado WatchSPC6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 8.0 hours before the alert went out and 143 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 1998-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 441 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 1998-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 246 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
441 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
1130 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
246 m²/s²
0-3 km storm-relative helicity
370 m²/s²
Significant tornado parameter
0.6
Supercell composite
12.6

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 tornado 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, Apr 7, 10:52 PM CDT, 4 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1152 PM EDT TUE APR 07 1998

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

1145 PM                              IN   MARBLE SIZE HAIL
04/07/98   WASHINGTON                     AT CAMPBELLSBURG.

WAIDLEY
Local storm report, Apr 7, 10:52 PM CDT, 4 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1152 PM EDT TUE APR 07 1998

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

1145 PM                              IN   MARBLE SIZE HAIL
04/07/98   WASHINGTON                     AT CAMPBELLSBURG.

WAIDLEY
Local storm report, Apr 8, 2:48 AM CDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
348 AM EDT WED APR 08 1998

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

330 AM                               KY   LARGE TREES DOWN ACROSS
04/07/98   SIMPSON                        NORTHERN SIMPSON COUNTY.

WAIDLEY
Local storm report, Apr 8, 2:48 AM CDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
348 AM EDT WED APR 08 1998

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

330 AM                               KY   LARGE TREES DOWN ACROSS
04/07/98   SIMPSON                        NORTHERN SIMPSON COUNTY.

WAIDLEY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 8, 1:29 AM CDTSevere Thunderstorm WarningLMKLogan46 min
Apr 8, 1:33 AM CDTTornado WarningLMKLogan47 min
Apr 8, 1:51 AM CDTSevere Thunderstorm WarningLMKWarren39 min
Apr 8, 2:02 AM CDTSevere Thunderstorm WarningLMKTrimble33 min
Apr 8, 2:15 AM CDTTornado WarningLMKEdmonson30 min
Apr 8, 2:28 AM CDTSevere Thunderstorm WarningLMKSimpson32 min
Apr 8, 2:33 AM CDTSevere Thunderstorm WarningLMKBarren32 min
Apr 8, 2:33 AM CDTTornado WarningLMKHart32 min
Apr 8, 2:39 AM CDTTornado WarningLMKBarren31 min
Apr 8, 2:49 AM CDTSevere Thunderstorm WarningLMKAllen31 min
Apr 8, 3:23 AM CDTSevere Thunderstorm WarningLMKAdair32 min
Apr 8, 12:04 PM CDTSevere Thunderstorm WarningLMKButler, Warren31 min
Apr 8, 12:28 PM CDTSevere Thunderstorm WarningLMKEdmonson17 min
Apr 8, 12:33 PM CDTSevere Thunderstorm WarningLMKGrayson, Ohio27 min
Apr 8, 1:05 PM CDTSevere Thunderstorm WarningLMKBreckinridge, Hardin25 min
Apr 8, 1:35 PM CDTSevere Thunderstorm WarningLMKHardin, Meade30 min
Apr 8, 1:35 PM CDTSevere Thunderstorm WarningLMKBullitt30 min
Apr 8, 1:53 PM CDTTornado WarningLMKBoyle, Mercer22 min
Apr 8, 1:58 PM CDTSevere Thunderstorm WarningLMKJefferson, Spencer32 min
Apr 8, 2:16 PM CDTSevere Thunderstorm WarningLMKShelby29 min

Nearby

Tornado Warnings in Kentucky, 1998Every tornado warning in 1998Tornadoes 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; the sounding from the Mesonet's radiosonde archive.