Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 95, NWS Jackson, KY
NWS Jackson, KY issued this severe thunderstorm warning at Oct 21, 2021, 4:00 PM EDT for 4 counties in Kentucky. It was in force for 45 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
- Oct 21, 2021, 4:00 PM EDT (20:00 UTC)
- Expired
- Oct 21, 2021, 4:45 PM EDT
- In force
- 45 min
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Jackson County, KY, Laurel County, KY, Pulaski County, KY, Rockcastle County, KY
The radar
The Jackson,KY radar (KJKL), 88 km from the middle of the area, began a volume at 20:02 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
Nashville Metro, TN (KBNA), launched 12:00Z, 8.0 hours before the alert went out and 248 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.
- Mixed-layer CAPE
- 70 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 671 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
470
WUUS53 KJKL 212000
SVRJKL
KYC109-125-199-203-212045-
/O.NEW.KJKL.SV.W.0095.211021T2000Z-211021T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
400 PM EDT Thu Oct 21 2021
The National Weather Service in JACKSON KY has issued a
* Severe Thunderstorm Warning for...
Laurel County in south central Kentucky...
East central Pulaski County in south central Kentucky...
South central Jackson County in southeastern Kentucky...
South central Rockcastle County in south central Kentucky...
* Until 445 PM EDT.
* At 359 PM EDT, a severe thunderstorm was located near Billows, or
12 miles west of London, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Bunch around 410 PM EDT.
Bernstadt around 415 PM EDT.
Other locations in the path of this severe thunderstorm include
London, Sublimity City, Maplesville and Lesbas.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3703 8440 3722 8439 3728 8396 3719 8395
3717 8397 3715 8395 3700 8394
TIME...MOT...LOC 1959Z 272DEG 22KT 3713 8430
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
FISHER2 follow-up statements
039
WWUS53 KJKL 212016
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
416 PM EDT Thu Oct 21 2021
KYC199-212026-
/O.CAN.KJKL.SV.W.0095.000000T0000Z-211021T2045Z/
Pulaski KY-
416 PM EDT Thu Oct 21 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL PULASKI COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3703 8431 3708 8431 3709 8429 3711 8429
3712 8428 3712 8430 3716 8429 3717 8431
3723 8431 3728 8396 3719 8395 3717 8397
3715 8395 3700 8394
TIME...MOT...LOC 2016Z 272DEG 22KT 3713 8417
$$
KYC109-125-203-212045-
/O.CON.KJKL.SV.W.0095.000000T0000Z-211021T2045Z/
Laurel KY-Jackson KY-Rockcastle KY-
416 PM EDT Thu Oct 21 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR LAUREL...SOUTH CENTRAL JACKSON AND SOUTHERN ROCKCASTLE
COUNTIES...
At 416 PM EDT, a severe thunderstorm was located over Bernstadt, or
near London, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe storm will be near...
London around 420 PM EDT.
Other locations in the path of this severe thunderstorm include
Sublimity City, London-Corbin Airport, Maplesville and Lesbas.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3703 8431 3708 8431 3709 8429 3711 8429
3712 8428 3712 8430 3716 8429 3717 8431
3723 8431 3728 8396 3719 8395 3717 8397
3715 8395 3700 8394
TIME...MOT...LOC 2016Z 272DEG 22KT 3713 8417
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
FISHER247
WWUS53 KJKL 212038
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
438 PM EDT Thu Oct 21 2021
KYC109-125-203-212048-
/O.EXP.KJKL.SV.W.0095.000000T0000Z-211021T2045Z/
Laurel KY-Jackson KY-Rockcastle KY-
438 PM EDT Thu Oct 21 2021
...THE SEVERE THUNDERSTORM WARNING FOR LAUREL...SOUTH CENTRAL JACKSON
AND SOUTHERN ROCKCASTLE COUNTIES WILL EXPIRE AT 445 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with this thunderstorm.
LAT...LON 3703 8431 3708 8431 3709 8429 3711 8429
3712 8428 3712 8430 3716 8429 3717 8431
3723 8431 3728 8396 3719 8395 3717 8397
3715 8395 3700 8394
TIME...MOT...LOC 2038Z 272DEG 22KT 3713 8401
$$
FISHERThe office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 21, 3:17 PM EDT | Special Weather Statement | JKL | Pulaski | 43 min |
| Oct 21, 3:51 PM EDT | Special Weather Statement | JKL | Laurel | 39 min |
| Oct 21, 4:42 PM EDT | Special Weather Statement | JKL | Clay | 48 min |
| Oct 21, 5:37 PM EDT | Special Weather Statement | JKL | Knox | 23 min |
Nearby
Severe Thunderstorm Warnings in Kentucky, 2021Every 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; radar from the NEXRAD Level II archive.