Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Louisville, KY

July 7, 2021Scott County, Kentucky

NWS Louisville, KY issued this special weather statement at Jul 7, 2021, 4:39 PM EDT for Scott County, Kentucky. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 7, 2021, 4:39 PM EDT (20:39 UTC)
Expired
Jul 7, 2021, 5:15 PM EDT
In force
36 min
Issued by
NWS Louisville, KY

County Scott County, KY

The radar

The Louisville radar (KLVX), 125 km from the middle of the area, began a volume at 20:42 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, 8.7 hours before the alert went out and 136 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 2021-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 743 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 2021-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -50 square meters per square second.1939Sfc1 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
743 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
1120 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-50 m²/s²
0-3 km storm-relative helicity
-22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

264 
WWUS83 KLMK 072039
SPSLMK

Special Weather Statement
National Weather Service Louisville KY
439 PM EDT Wed Jul 7 2021

KYZ036-072115-
Scott-
439 PM EDT Wed Jul 7 2021

...STRONG THUNDERSTORM NEAR STAMPING GROUND...

At 438 PM EDT, a strong thunderstorm was located 7 miles northwest of
Georgetown, moving north at 25 mph.

Winds in excess of 45 mph are possible with this storm.

Locations impacted include...
Stamping Ground, Sadieville, Longlick, Skinnersburg, Double Culvert,
Duval, Biddle, Shiff, Mallard Point, and Stonewall.

If outdoors, seek shelter inside a building.

LAT...LON 3840 8450 3821 8461 3821 8469 3837 8470
      3842 8465 3843 8462 3847 8459 3846 8458
TIME...MOT...LOC 2038Z 195DEG 20KT 3828 8465 

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 4:32 PM EDTSpecial Weather StatementLMKMeade13 min
Jul 7, 4:57 PM EDTSpecial Weather StatementLMKHarrison33 min
Jul 7, 5:35 PM EDTSpecial Weather StatementLMKHarrison25 min
Jul 7, 6:10 PM EDTSpecial Weather StatementLMKScott20 min

Nearby

Special Weather Statements in Kentucky, 2021Every special weather statement in 2021

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.