Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 8, NWS Louisville, KY

February 28, 2021Adair County, Clinton County, Russell County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Feb 28, 2021, 8:14 PM CST for Adair County, Clinton County, Russell County, Kentucky. It was in force for 16 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Feb 28, 2021, 8:14 PM CST (02:14 UTC)
Expired: Feb 28, 2021, 8:30 PM CST
In force: 16 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Adair County, KY, Clinton County, KY, Russell County, KY

The radar

The Nashville radar (KOHX), 145 km from the middle of the area, began a volume at 02:14 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.

What was reported inside it

Time	Report	Where	Remark
Feb 28, 8:18 PM CST	TSTM WND DMG	Cumberland City, KY	REPORTED SEVERAL STRUCTURES DAMAGED ALONG HWY 558. TIME ESTIMATED FROM RADAR.
Feb 28, 8:18 PM CST	TORNADO	1 Wsw Cumberland City, KY	EF1 TORNADO ON THE GROUND FOR 4 MINUTES, CONTINUING INTO FAR WESTERN PORTIONS OF WAYNE COUNTY. IT CAUSED SEVERAL UPROOTED AND OR SNAPPED TREES AND STRUCTURAL DAMAGE TO SEVERAL HOMES AND LARGE BARNS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Feb 28, 7:11 PM CST	Severe Thunderstorm Watch	SPC	3 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 2.2 hours before the alert went out and 154 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: 419 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 979 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 220 m²/s²
0-3 km storm-relative helicity: 278 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 4.5

Open this sounding in Storm Lab

The text

As transmitted.

258 
WUUS53 KLMK 010214
SVRLMK
KYC001-053-207-010230-
/O.NEW.KLMK.SV.W.0008.210301T0214Z-210301T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
814 PM CST Sun Feb 28 2021

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Clinton County in south central Kentucky...
  Southern Russell County in south central Kentucky...
  Southern Adair County in south central Kentucky...

* Until 830 PM CST.

* At 814 PM CST, severe thunderstorms were located along a line
  extending from 8 miles southwest of Jamestown to 7 miles west of
  Zula to near Albany, moving east at 60 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Albany, Desda, Cartwright, Snow, Cundiff, Savage, Ida, Seventy Six,
  Hobart and Aaron.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3663 8530 3667 8528 3676 8518 3692 8525
      3692 8523 3693 8525 3697 8527 3696 8490
      3695 8491 3696 8491 3695 8495 3692 8496
      3686 8506 3683 8506 3677 8501 3670 8502
      3666 8500 3663 8500 3662 8498 3663 8514
TIME...MOT...LOC 0214Z 278DEG 52KT 3690 8517 3676 8511 3666 8521 

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

13

1 follow-up statement

310 
WWUS53 KLMK 010232
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
832 PM CST Sun Feb 28 2021

KYC001-053-207-010241-
/O.EXP.KLMK.SV.W.0008.000000T0000Z-210301T0230Z/
Clinton KY-Russell KY-Adair KY-
832 PM CST Sun Feb 28 2021

...THE SEVERE THUNDERSTORM WARNING FOR CLINTON...SOUTHERN RUSSELL AND
SOUTHERN ADAIR COUNTIES HAS EXPIRED...
    
The storms which prompted the warning have moved out of the area.
However gusty winds and heavy rain are still possible.

A Severe Thunderstorm Watch remains in effect until 1000 PM CST for
south central Kentucky.

LAT...LON 3663 8530 3667 8528 3676 8518 3692 8525
      3692 8523 3693 8525 3697 8527 3696 8490
      3695 8491 3696 8491 3695 8495 3692 8496
      3686 8506 3683 8506 3677 8501 3670 8502
      3666 8500 3663 8500 3662 8498 3663 8514
TIME...MOT...LOC 0231Z 278DEG 52KT 3687 8487 3673 8481 3663 8491 

$$

13

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 7:01 PM CST	Flash Flood Warning	LMK	Allen, Barren, Logan, Simpson, Warren	6 hr
Feb 28, 7:07 PM CST	Severe Thunderstorm Warning	LMK	Allen, Barren, Monroe	38 min
Feb 28, 7:20 PM CST	Special Weather Statement	LMK	Simpson	25 min
Feb 28, 7:37 PM CST	Severe Thunderstorm Warning	LMK	Cumberland, Monroe	38 min
Feb 28, 7:59 PM CST	Flash Flood Warning	LMK	Adair, Clinton, Cumberland, Metcalfe, Monroe, Russell	4 hr
Feb 28, 8:07 PM CST	Special Weather Statement	LMK	Clinton, Cumberland, Russell	23 min
Feb 28, 8:43 PM CST	Areal Flood Warning	LMK	Boyle, Casey, Garrard, Lincoln, Madison	13 hr
Feb 28, 8:46 PM CST	Areal Flood Warning	LMK	Barren, Edmonson, Green, Hart, Larue, Marion and 3 more	13 hr
Feb 28, 9:04 PM CST	Areal Flood Warning	LMK	Anderson, Bourbon, Clark, Fayette, Franklin, Garrard and 6 more	9 hr
Feb 28, 9:21 PM CST	Areal Flood Warning	LMK	Butler, Logan, Warren	12 hr
Mar 1, 12:01 AM CST	Areal Flood Warning	LMK	Adair, Casey, Clinton, Cumberland, Metcalfe, Monroe and 1 more	9 hr
Mar 1, 12:48 AM CST	Areal Flood Warning	LMK	Allen, Barren, Logan, Simpson, Warren	9 hr
Mar 1, 2:52 AM CST	River Flood Warning	LMK	Warren	44 hr
Mar 1, 4:04 AM CST	River Flood Warning	LMK	Cumberland, Monroe	9 hr
Mar 1, 8:55 AM CST	Areal Flood Warning	LMK	Adair, Allen, Barren, Boyle, Butler, Casey and 17 more	12 hr
Mar 1, 10:31 AM CST	River Flood Warning	LMK	Hancock	21 days

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.