Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 42, NWS Louisville, KY

April 16, 1998Metcalfe County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Apr 16, 1998, 4:42 PM CDT for Metcalfe 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
Apr 16, 1998, 4:42 PM CDT (21:42 UTC)
Expired
Apr 16, 1998, 5:15 PM CDT
In force
33 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Metcalfe County, KY

The radar

The Louisville radar (KLVX), 113 km from the middle of the area, began a volume at 21:43 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
Apr 16, 4:53 PM CDTTornado F2Wisdom, 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.

IssuedProductOfficeLasted
Apr 16, 4:30 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.7 hours before the alert went out and 129 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 1998-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 76 joules per kilogram.LCLLFCEL10008507005003002001001 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 1998-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.19395878Sfc1 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
76 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
585 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

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

Special weather statement, Apr 16, 2:47 PM CDT, 1 hour 55 minutes before
KYZ023>043-045>049-053>057-061>067-070>078-081-082-INZ076-079-083-
084-089>092-170900-

CENTRAL KENTUCKY AND SOUTH-CENTRAL INDIANA SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
330 PM EDT  THURSDAY  APRIL 16, 1998

THE STORM PREDICTION CENTER HAS INDICATED THAT A MODERATE RISK OF
SEVERE THUNDERSTORMS EXISTS ACROSS CENTRAL KENTUCKY AND
SOUTH-CENTRAL INDIANA LATE THIS AFTERNOON AND EVENING.

...THIS IS A POTENTIALLY DANGEROUS WEATHER SITUATION...

A COLD FRONT ACROSS WESTERN PARTS OF KENTUCKY AND INDIANA WILL SWEEP
SOUTHEASTWARD ACROSS SOUTH CENTRAL INDIANA AND CENTRAL KENTUCKY LATE
THIS AFTERNOON AND INTO THE EVENING. WARM MOIST AIR WILL BE DRAWN
NORTHWARD AHEAD OF THE FRONT. AS THE FRONT APPROACHES...NUMEROUS
THUNDERSTORMS WILL ERUPT ACROSS CENTRAL KENTUCKY AND SOUTH CENTRAL
INDIANA THROUGH THE EVENING.

SOMEWHAT UNSTABLE AIR ALONG WITH STRONG WIND SHEAR IN THE
ATMOSPHERE WILL RESULT IN THE DEVELOPMENT OF SEVERE THUNDERSTORMS.
DAMAGING WINDS AND LARGE HAIL ARE LIKELY WITH THESE STORMS...AND
ISOLATED TORNADOES ARE POSSIBLE WITH THE STRONGEST CELLS.

THIS IS A PRELIMINARY OUTLOOK.  STAY TUNED TO NOAA WEATHER RADIO
FROM THE NATIONAL WEATHER SERVICE OR THE MEDIA FOR THE LATEST
INFORMATION ON THIS POTENTIALLY DANGEROUS WEATHER SITUATION. SKYWARN
SPOTTER ACTIVATION IS EXPECTED LATER TODAY.

KOCH
Local storm report, Apr 16, 3:38 PM CDT, 1 hour 4 minutes before
TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

4/16/98
325 PM CDT      LEWISBURG            KY      BASEBALL SIZE HAIL
                 LOGAN                       BETWEEN LEWISBURG AND
                                             EPLEY STATION

RNK
Local storm report, Apr 16, 4:36 PM CDT, 6 minutes before
TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

4/16/98        BOWLING GREEN        KY       DAMAGE TO HOUSES
5PM EDT        WARREN                        TELEPHONE POLES
(4PM CDT)                                    SHEARED OFF
                                             WINDOWS BLOWN OUT OF
                                             CARS

RNK

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 5:00 AM CDTSevere Thunderstorm WarningLMKFayette30 min
Apr 16, 5:17 AM CDTSevere Thunderstorm WarningLMKGreen, Hart, Larue38 min
Apr 16, 5:17 AM CDTSevere Thunderstorm WarningLMKGreen, Hart, Larue28 min
Apr 16, 5:24 AM CDTSevere Thunderstorm WarningLMKClark, Madison36 min
Apr 16, 5:35 AM CDTFlash Flood WarningLMKTrimble85 min
Apr 16, 6:51 AM CDTSevere Thunderstorm WarningLMKMonroe24 min
Apr 16, 6:51 AM CDTSevere Thunderstorm WarningLMKMonroe34 min
Apr 16, 10:21 AM CDTSevere Thunderstorm WarningLMKLogan39 min
Apr 16, 3:09 PM CDTSevere Thunderstorm WarningLMKLogan31 min
Apr 16, 3:26 PM CDTTornado WarningLMKLogan, Warren49 min
Apr 16, 4:04 PM CDTTornado WarningLMKAllen, Barren46 min
Apr 16, 5:04 PM CDTTornado WarningLMKAdair31 min
Apr 16, 5:35 PM CDTTornado WarningLMKAdair30 min
Apr 16, 5:44 PM CDTSevere Thunderstorm WarningLMKClinton31 min
Apr 16, 5:48 PM CDTSevere Thunderstorm WarningLMKCasey27 min
Apr 16, 6:10 PM CDTSevere Thunderstorm WarningLMKLincoln35 min
Apr 15, 9:07 PM CDTTornado WarningLMKOrange43 min
Apr 16, 12:26 AM CDTTornado WarningLMKDubois34 min
Apr 16, 1:07 AM CDTTornado WarningLMKOrange23 min
Apr 16, 1:30 AM CDTSevere Thunderstorm WarningLMKCrawford30 min
Apr 16, 1:41 AM CDTSevere Thunderstorm WarningLMKHarrison, Washington34 min

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.