Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 139, NWS Louisville, KY

June 10, 1998Simpson County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 10, 1998, 6:17 PM CDT for Simpson County, Kentucky. It was in force for 33 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
Jun 10, 1998, 6:17 PM CDT (23:17 UTC)
Expired
Jun 10, 1998, 6:50 PM CDT
In force
33 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Simpson County, KY

The radar

The Nashville radar (KOHX), 55 km from the middle of the area, began a volume at 23:17 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 10, 5:00 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.3 hours before the alert went out and 68 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 1998-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3323 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 1998-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 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
3323 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
782 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
1.6
Supercell composite
8.0

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

Local storm report, Jun 10, 1:38 PM CDT, 4 hours 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
238 PM EDT WED JUN 10 1998

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

0150 PM    FLAHERTY                  KY   WIND DAMAGE
06/10/98   MEADE                          TRAILERS BLOWN OFF
                                          FOUNDATION, POWER LINES -
                                          TREES DOWN, WINDOWS BLOWN
                                          OUT

0215 PM    COXS CREEK                KY   WIND DAMAGE
06/10/98   NELSON                         TREES AND POWER LINES DOWN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 12:50 PM CDTTornado WarningLMKHardin, Meade30 min
Jun 10, 1:00 PM CDTSevere Thunderstorm WarningLMKAnderson35 min
Jun 10, 1:01 PM CDTSevere Thunderstorm WarningLMKBullitt, Nelson34 min
Jun 10, 1:46 PM CDTSevere Thunderstorm WarningLMKFayette19 min
Jun 10, 5:27 PM CDTTornado WarningLMKButler, Logan43 min
Jun 10, 5:28 PM CDTSevere Thunderstorm WarningLMKJefferson32 min
Jun 10, 5:53 PM CDTFlash Flood WarningLMKJefferson2 hr
Jun 10, 5:58 PM CDTSevere Thunderstorm WarningLMKWarren47 min
Jun 10, 6:12 PM CDTFlash Flood WarningLMKAllen, Logan, Simpson, Warren3 hr
Jun 10, 5:23 PM CDTSevere Thunderstorm WarningLMKHarrison22 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.