Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 89, NWS Louisville, KY

July 16, 2021Shelby County, Spencer County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 16, 2021, 2:42 PM EDT for Shelby County, Spencer 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 outline as issued.

The facts

Issued: Jul 16, 2021, 2:42 PM EDT (18:42 UTC)
Expired: Jul 16, 2021, 3:15 PM EDT
In force: 33 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Shelby County, KY, Spencer County, KY

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.7 hours before the alert went out and 190 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 291 J/kg
Mixed-layer CIN: -68 J/kg
Mixed-layer LCL: 941 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

296 
WUUS53 KLMK 161842
SVRLMK
KYC211-215-161915-
/O.NEW.KLMK.SV.W.0089.210716T1842Z-210716T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
242 PM EDT Fri Jul 16 2021

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Central Spencer County in central Kentucky...
  Southeastern Shelby County in central Kentucky...

* Until 315 PM EDT.

* At 242 PM EDT, a severe thunderstorm was located over Taylorsville,
  moving east at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* This severe thunderstorm will remain over mainly rural areas of
  central Spencer and southeastern Shelby Counties, including the
  following locations... Yoder, Southville, Rivals, Harrisonville,
  Waddy, Hemp Ridge, Little Mount, Normandy, Junte and Olive Branch.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3817 8508 3806 8506 3805 8507 3805 8508
      3804 8508 3804 8510 3803 8511 3803 8535
      3811 8536
TIME...MOT...LOC 1842Z 266DEG 25KT 3806 8531 

HAIL...<.75IN
WIND...60MPH
 
$$

CG

1 follow-up statement

706 
WWUS53 KLMK 161856
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
256 PM EDT Fri Jul 16 2021

KYC215-161905-
/O.CAN.KLMK.SV.W.0089.000000T0000Z-210716T1915Z/
Spencer KY-
256 PM EDT Fri Jul 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL SPENCER COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning has been cancelled.

LAT...LON 3817 8508 3810 8507 3810 8516 3815 8518
TIME...MOT...LOC 1855Z 266DEG 25KT 3807 8519 

$$

KYC211-161915-
/O.CON.KLMK.SV.W.0089.000000T0000Z-210716T1915Z/
Shelby KY-
256 PM EDT Fri Jul 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR SOUTHEASTERN SHELBY COUNTY...

At 255 PM EDT, a severe thunderstorm was located 8 miles east of
Taylorsville, moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Hemp Ridge and Waddy. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3817 8508 3810 8507 3810 8516 3815 8518
TIME...MOT...LOC 1855Z 266DEG 25KT 3807 8519 

HAIL...<.75IN
WIND...60MPH
 
$$

CG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 16, 1:59 PM EDT	Special Weather Statement	LMK	Bullitt	16 min
Jul 16, 2:04 PM EDT	Special Weather Statement	LMK	Lincoln	26 min
Jul 16, 2:12 PM EDT	Areal Flood Advisory	LMK	Adair, Casey	76 min
Jul 16, 2:28 PM EDT	Special Weather Statement	LMK	Spencer	32 min
Jul 16, 2:59 PM EDT	Special Weather Statement	LMK	Franklin	31 min
Jul 16, 3:12 PM EDT	Severe Thunderstorm Warning	LMK	Franklin, Shelby	33 min
Jul 16, 3:48 PM EDT	Special Weather Statement	LMK	Green, Marion, Mercer, Taylor, Washington	57 min
Jul 16, 3:49 PM EDT	Special Weather Statement	LMK	Robertson	26 min
Jul 16, 3:57 PM EDT	Areal Flood Advisory	LMK	Marion, Nelson, Washington	3 hr
Jul 16, 3:59 PM EDT	Areal Flood Advisory	LMK	Anderson, Franklin, Scott, Shelby, Woodford	3 hr
Jul 16, 4:02 PM EDT	Special Weather Statement	LMK	Allen, Barren, Metcalfe, Monroe	43 min
Jul 16, 4:06 PM EDT	Special Weather Statement	LMK	Bourbon, Nicholas	24 min
Jul 16, 4:15 PM EDT	Flash Flood Warning	LMK	Marion	2 hr
Jul 16, 4:17 PM EDT	Special Weather Statement	LMK	Hart	28 min
Jul 16, 4:28 PM EDT	Special Weather Statement	LMK	Nicholas	32 min
Jul 16, 4:46 PM EDT	Special Weather Statement	LMK	Adair, Boyle, Casey, Clinton, Cumberland, Green and 5 more	59 min
Jul 16, 4:52 PM EDT	Special Weather Statement	LMK	Oldham	38 min
Jul 16, 5:28 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Boyle, Casey, Garrard, Lincoln, Marion and 2 more	47 min
Jul 16, 5:41 PM EDT	Areal Flood Advisory	LMK	Adair, Casey, Green, Marion, Russell, Taylor	3 hr
Jul 16, 5:50 PM EDT	Special Weather Statement	LMK	Bullitt	40 min
Jul 16, 6:15 PM EDT	Special Weather Statement	LMK	Boyle, Garrard, Lincoln	45 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2021 Every severe thunderstorm warning 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.