Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 99, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Dec 6, 2021, 1:36 AM EST for Boyle County, Garrard County, Kentucky. It was in force for 24 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
- Dec 6, 2021, 1:36 AM EST (06:36 UTC)
- Expired
- Dec 6, 2021, 2:00 AM EST
- In force
- 24 min
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Boyle County, KY, Garrard County, KY
The radar
The Louisville radar (KLVX), 114 km from the middle of the area, began a volume at 06:35 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 |
|---|---|---|---|
| Dec 6, 1:36 AM EST | TSTM WND DMG | 1 Nnw Danville, KY | TREE DOWN NEAR INTERSECTION OF HIGH STREET AND FIFTH STREET. TIME ESTIMATED FROM RADAR. |
| Dec 6, 1:39 AM EST | TSTM WND DMG | 4 Ene Danville, KY | TREES DOWN. TIME ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.6 hours before the alert went out and 204 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 934 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 432 m²/s²
- 0-3 km storm-relative helicity
- 509 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
715
WUUS53 KLMK 060636
SVRLMK
KYC021-079-060700-
/O.NEW.KLMK.SV.W.0099.211206T0636Z-211206T0700Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
136 AM EST Mon Dec 6 2021
The National Weather Service in Louisville has issued a
* Severe Thunderstorm Warning for...
Northwestern Garrard County in central Kentucky...
Northeastern Boyle County in central Kentucky...
* Until 200 AM EST.
* At 135 AM EST, a severe thunderstorm was located over Danville,
moving east at 45 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
northwestern Garrard and northeastern Boyle Counties, including the
following locations... Marcellus, Caldwell Manor, Bourne, Davis
Hill, Bryantsville, Faulconer, Stone, Toddville and Bushtown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3763 8484 3770 8484 3770 8481 3772 8479
3772 8473 3773 8473 3772 8470 3773 8469
3773 8471 3774 8469 3775 8470 3778 8463
3776 8460 3775 8462 3775 8459 3774 8459
3773 8458 3775 8454 3777 8454 3772 8450
TIME...MOT...LOC 0635Z 250DEG 39KT 3768 8477
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
CG2 follow-up statements
394
WWUS53 KLMK 060644
SVSLMK
Severe Weather Statement
National Weather Service Louisville KY
144 AM EST Mon Dec 6 2021
KYC021-079-060700-
/O.CON.KLMK.SV.W.0099.000000T0000Z-211206T0700Z/
Garrard KY-Boyle KY-
144 AM EST Mon Dec 6 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM EST
FOR NORTHWESTERN GARRARD AND NORTHEASTERN BOYLE COUNTIES...
At 144 AM EST, a severe thunderstorm was located 7 miles northwest of
Lancaster, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Danville, Marcellus, Bourne, Bryantsville, Stone, Toddville, Little
Needmore and Bushtown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3765 8475 3770 8474 3772 8473 3773 8473
3772 8470 3773 8469 3773 8471 3774 8469
3775 8470 3778 8463 3776 8460 3775 8462
3775 8459 3774 8459 3773 8458 3775 8454
3777 8454 3772 8450
TIME...MOT...LOC 0644Z 250DEG 39KT 3772 8465
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
CG255
WWUS53 KLMK 060656
SVSLMK
Severe Weather Statement
National Weather Service Louisville KY
156 AM EST Mon Dec 6 2021
KYC021-079-060705-
/O.EXP.KLMK.SV.W.0099.000000T0000Z-211206T0700Z/
Garrard KY-Boyle KY-
156 AM EST Mon Dec 6 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN GARRARD AND
NORTHEASTERN BOYLE COUNTIES WILL EXPIRE AT 200 AM EST...
The severe thunderstorm which prompted the warning has weakened and
is moving out of the warned area. Therefore, the warning will be
allowed to expire.
LAT...LON 3765 8475 3770 8474 3772 8473 3773 8473
3772 8470 3773 8469 3773 8471 3774 8469
3775 8470 3778 8463 3776 8460 3775 8462
3775 8459 3774 8459 3773 8458 3775 8454
3777 8454 3772 8450
TIME...MOT...LOC 0655Z 250DEG 39KT 3775 8455
$$
CGThe office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 5, 7:42 PM EST | Special Weather Statement | LMK | Barren | 18 min |
| Dec 5, 7:45 PM EST | Special Weather Statement | LMK | Edmonson | 15 min |
| Dec 5, 8:16 PM EST | Special Weather Statement | LMK | Hart | 29 min |
| Dec 5, 8:57 PM EST | Special Weather Statement | LMK | Green | 33 min |
| Dec 5, 9:30 PM EST | Special Weather Statement | LMK | Green, Taylor | 30 min |
| Dec 5, 10:26 PM EST | Special Weather Statement | LMK | Butler, Grayson | 34 min |
| Dec 5, 11:06 PM EST | Special Weather Statement | LMK | Edmonson, Grayson, Hart, Larue | 54 min |
| Dec 6, 1:04 AM EST | Severe Thunderstorm Warning | LMK | Boyle, Marion | 26 min |
| Dec 6, 2:02 AM EST | Special Weather Statement | LMK | Hancock | 28 min |
| Dec 6, 3:30 AM EST | Special Weather Statement | LMK | Henry, Shelby | 30 min |
| Dec 6, 4:18 AM EST | Special Weather Statement | LMK | Fayette, Scott, Woodford | 27 min |
| Dec 6, 4:27 AM EST | Special Weather Statement | LMK | Hart, Larue | 33 min |
| Dec 6, 4:48 AM EST | Special Weather Statement | LMK | Bourbon, Clark, Fayette, Nicholas | 42 min |
| Dec 6, 4:59 AM EST | Special Weather Statement | LMK | Marion | 31 min |
| Dec 6, 5:13 AM EST | Special Weather Statement | LMK | Jessamine, Mercer | 32 min |
| Dec 6, 5:43 AM EST | Tornado Warning | LMK | Logan | 17 min |
| Dec 6, 5:47 AM EST | Tornado Warning | LMK | Logan | 28 min |
| Dec 6, 6:04 AM EST | Special Weather Statement | LMK | Simpson | 26 min |
| Dec 6, 6:15 AM EST | Special Weather Statement | LMK | Warren | 30 min |
| Dec 6, 7:21 AM EST | Special Weather Statement | LMK | Cumberland | 24 min |
| Dec 6, 7:23 AM EST | Special Weather Statement | LMK | Clinton | 37 min |
| Dec 6, 7:46 AM EST | Special Weather Statement | LMK | Clinton | 14 min |
| Dec 6, 8:42 AM EST | Areal Flood Advisory | LMK | Taylor | 3 hr |
| Dec 6, 10:36 AM EST | Areal Flood Advisory | LMK | Boyle, Garrard, Marion | 3 hr |
| Dec 6, 11:54 AM EST | River Flood Warning | LMK | Bourbon | 23 hr |
| Dec 6, 1:11 PM EST | River Flood Advisory | LMK | Franklin | 32 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.