Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 88, NWS Louisville, KY

July 15, 20214 counties in Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 15, 2021, 5:57 PM EDT for 4 counties in 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 15, 2021, 5:57 PM EDT (21:57 UTC)
Expired: Jul 15, 2021, 6:30 PM EDT
In force: 33 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Anderson County, KY, Jessamine County, KY, Mercer County, KY, Woodford County, KY

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.0 hours before the alert went out and 196 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: 33 J/kg
Mixed-layer CIN: -95 J/kg
Mixed-layer LCL: 1042 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 49 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

008 
WUUS53 KLMK 152157
SVRLMK
KYC005-113-167-239-152230-
/O.NEW.KLMK.SV.W.0088.210715T2157Z-210715T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
557 PM EDT Thu Jul 15 2021

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Mercer County in central Kentucky...
  Southern Woodford County in central Kentucky...
  Southeastern Anderson County in central Kentucky...
  West central Jessamine County in central Kentucky...

* Until 630 PM EDT.

* At 557 PM EDT, a severe thunderstorm was located 8 miles northwest
  of Harrodsburg, 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 be near...
  Harrodsburg around 605 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3782 8470 3782 8472 3781 8471 3776 8471
      3776 8498 3794 8500 3802 8467
TIME...MOT...LOC 2157Z 263DEG 28KT 3787 8491 

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

MJ

1 follow-up statement

736 
WWUS53 KLMK 152231
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
631 PM EDT Thu Jul 15 2021

KYC005-113-167-239-152241-
/O.EXP.KLMK.SV.W.0088.000000T0000Z-210715T2230Z/
Mercer KY-Woodford KY-Anderson KY-Jessamine KY-
631 PM EDT Thu Jul 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR MERCER...SOUTHERN WOODFORD...
SOUTHEASTERN ANDERSON AND WEST CENTRAL JESSAMINE COUNTIES HAS
EXPIRED...

The severe thunderstorm that prompted the warning has weakened. 
However, moderate to heavy rainfall and lightning will be seen 
across the area for the next hour or so.

LAT...LON 3782 8470 3782 8472 3781 8471 3776 8471
      3776 8498 3794 8500 3802 8467
TIME...MOT...LOC 2231Z 263DEG 28KT 3790 8460 

$$

MJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 3:41 PM EDT	Special Weather Statement	LMK	Fayette, Jessamine, Woodford	49 min
Jul 15, 3:46 PM EDT	Special Weather Statement	LMK	Nicholas	44 min
Jul 15, 4:31 PM EDT	Special Weather Statement	LMK	Clark	59 min
Jul 15, 5:04 PM EDT	Areal Flood Advisory	LMK	Bourbon, Nicholas	3 hr
Jul 15, 5:13 PM EDT	Special Weather Statement	LMK	Anderson, Boyle, Casey, Marion, Mercer, Spencer and 2 more	47 min
Jul 15, 5:16 PM EDT	Special Weather Statement	LMK	Nicholas	29 min
Jul 15, 5:53 PM EDT	Special Weather Statement	LMK	Anderson, Mercer, Woodford	52 min
Jul 15, 6:07 PM EDT	Special Weather Statement	LMK	Fayette, Jessamine, Mercer, Woodford	53 min
Jul 15, 6:46 PM EDT	Special Weather Statement	LMK	Casey, Lincoln	59 min
Jul 15, 7:10 PM EDT	Special Weather Statement	LMK	Madison	65 min
Jul 15, 7:37 PM EDT	Areal Flood Advisory	LMK	Casey, Taylor	3 hr
Jul 15, 7:50 PM EDT	Special Weather Statement	LMK	Taylor	40 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.