Alert archive / Kentucky / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 145, NWS Louisville, KY

June 27, 2010Hardin County, Larue County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 27, 2010, 3:40 PM EDT for Hardin County, Larue County, Kentucky. It was in force for 35 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 27, 2010, 3:40 PM EDT (19:40 UTC)
Expired
Jun 27, 2010, 4:15 PM EDT
In force
35 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Hardin County, KY, Larue County, KY

The radar

The Louisville radar (KLVX), 41 km from the middle of the area, began a volume at 19:43 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.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.7 hours before the alert went out and 268 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, Cncnati-Daytn, OH at 12:00Z on 2010-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2924 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, Cncnati-Daytn, OH at 12:00Z on 2010-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 square meters per square second.193958Sfc1 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
2924 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
678 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
-14 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 8:18 PM EDTSpecial Weather StatementLMKAllen27 min
Jun 26, 8:40 PM EDTAreal Flood AdvisoryLMKWarren50 min
Jun 27, 11:31 AM EDTSpecial Weather StatementLMKTrimble44 min
Jun 27, 12:00 PM EDTSevere Thunderstorm WarningLMKTrimble30 min
Jun 27, 12:23 PM EDTSpecial Weather StatementLMKTrimble37 min
Jun 27, 1:02 PM EDTSpecial Weather StatementLMKHenry28 min
Jun 27, 1:07 PM EDTSpecial Weather StatementLMKClark, Garrard, Madison23 min
Jun 27, 1:34 PM EDTSpecial Weather StatementLMKClark, Madison26 min
Jun 27, 3:14 PM EDTSevere Thunderstorm WarningLMKNicholas17 min
Jun 27, 4:32 PM EDTSpecial Weather StatementLMKLarue28 min
Jun 27, 5:21 PM EDTSpecial Weather StatementLMKCasey24 min
Jun 27, 11:57 AM EDTSpecial Weather StatementLMKJefferson18 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2010Every severe thunderstorm warning in 2010

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.