Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 105, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Dec 11, 2021, 4:20 AM EST for 8 counties in Kentucky. It was in force for 25 min. 1 report 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 11, 2021, 4:20 AM EST (09:20 UTC)
- Expired
- Dec 11, 2021, 4:45 AM EST
- In force
- 25 min
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Bourbon County, KY, Clark County, KY, Fayette County, KY, Harrison County, KY, Jessamine County, KY, Nicholas County, KY, Scott County, KY, Woodford County, KY
The radar
The Jackson,KY radar (KJKL), 98 km from the middle of the area, began a volume at 09:20 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 11, 4:27 AM EST | TSTM WND DMG | Newtown, KY | DELAYED REPORT. TREES DOWN ON STONE RD OFF US 460 E AND ALSO FINNELL NEAR HWY 62. TIME ESTIMATED FROM RADAR. |
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 |
|---|---|---|---|
| Dec 11, 2:27 AM EST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 9.3 hours before the alert went out and 135 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
- 519 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 325 m²/s²
- 0-3 km storm-relative helicity
- 431 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
298
WUUS53 KLMK 110920
SVRLMK
KYC017-049-067-097-113-181-209-239-110945-
/O.NEW.KLMK.SV.W.0105.211211T0920Z-211211T0945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
420 AM EST Sat Dec 11 2021
The National Weather Service in Louisville has issued a
* Severe Thunderstorm Warning for...
Northeastern Woodford County in central Kentucky...
Southeastern Scott County in central Kentucky...
Northwestern Clark County in central Kentucky...
Northeastern Jessamine County in central Kentucky...
Bourbon County in central Kentucky...
Nicholas County in central Kentucky...
Fayette County in central Kentucky...
Southeastern Harrison County in central Kentucky...
* Until 445 AM EST.
* At 419 AM EST, severe thunderstorms were located along a line
extending from 7 miles northeast of Cynthiana to near Versailles,
moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Carlisle, Thoroughbred Acres, Veterans Park, Cadentown and Bryan
Station.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 900 AM EST for central
Kentucky.
For your protection move to an interior room on the lowest floor of a
building.
A Tornado Watch remains in effect until 900 AM EST for central
Kentucky.
&&
LAT...LON 3830 8385 3813 8407 3810 8407 3790 8431
3788 8434 3790 8438 3786 8437 3803 8479
3852 8420 3846 8410 3843 8400 3842 8400
3844 8397 3836 8392 3836 8389 3835 8390
3836 8387 3833 8386 3834 8384
TIME...MOT...LOC 0919Z 286DEG 24KT 3845 8419 3807 8465
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MCKThe office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 8:20 PM EST | Special Weather Statement | LMK | Ohio | 55 min |
| Dec 10, 8:48 PM EST | Tornado Warning | LMK | Ohio | 57 min |
| Dec 10, 9:04 PM EST | Special Weather Statement | LMK | Breckinridge | 56 min |
| Dec 10, 9:24 PM EST | Severe Thunderstorm Warning | LMK | Breckinridge, Hancock | 36 min |
| Dec 10, 9:32 PM EST | Tornado Warning | LMK | Ohio | 30 min |
| Dec 10, 10:21 PM EST | Tornado Warning | LMK | Ohio | 39 min |
| Dec 10, 10:29 PM EST | Special Weather Statement | LMK | Breckinridge | 31 min |
| Dec 10, 10:37 PM EST | Tornado Warning | LMK | Breckinridge, Hardin, Meade | 17 min |
| Dec 10, 11:42 PM EST | Tornado Warning | LMK | Ohio | 63 min |
| Dec 11, 12:07 AM EST | Tornado Warning | LMK | Breckinridge, Grayson, Hancock | 53 min |
| Dec 11, 12:51 AM EST | Tornado Warning | LMK | Breckinridge, Hardin, Meade | 39 min |
| Dec 11, 1:29 AM EST | Special Weather Statement | LMK | Spencer | 16 min |
| Dec 11, 1:30 AM EST | Special Weather Statement | LMK | Bullitt | 15 min |
| Dec 11, 1:33 AM EST | Special Weather Statement | LMK | Henry, Jefferson, Oldham, Shelby, Trimble | 27 min |
| Dec 11, 1:36 AM EST | Tornado Warning | LMK | Logan, Simpson | 39 min |
| Dec 11, 1:41 AM EST | Severe Thunderstorm Warning | LMK | Bullitt, Nelson, Spencer | 34 min |
| Dec 11, 1:44 AM EST | Tornado Warning | LMK | Bullitt, Nelson, Shelby, Spencer | 46 min |
| Dec 11, 1:58 AM EST | Tornado Warning | LMK | Butler, Edmonson, Logan, Simpson, Warren | 47 min |
| Dec 11, 2:27 AM EST | Tornado Warning | LMK | Barren, Butler, Edmonson, Hart, Metcalfe, Warren | 48 min |
| Dec 11, 2:28 AM EST | Tornado Warning | LMK | Franklin, Scott | 20 min |
| Dec 11, 2:45 AM EST | Special Weather Statement | LMK | Bullitt, Hardin, Larue, Nelson, Spencer | 30 min |
| Dec 11, 2:55 AM EST | Tornado Warning | LMK | Barren, Green, Hart, Larue, Marion, Metcalfe and 1 more | 50 min |
| Dec 11, 3:08 AM EST | Areal Flood Advisory | LMK | Breckinridge, Bullitt, Hardin, Jefferson, Meade | 115 min |
| Dec 11, 3:16 AM EST | Severe Thunderstorm Warning | LMK | Anderson, Franklin, Harrison, Henry, Nelson, Scott and 3 more | 29 min |
| Dec 11, 3:16 AM EST | Severe Thunderstorm Warning | LMK | Butler, Logan, Simpson, Warren | 44 min |
| Dec 11, 3:22 AM EST | Tornado Warning | LMK | Boyle, Casey, Larue, Lincoln, Marion, Mercer and 1 more | 38 min |
| Dec 11, 3:59 AM EST | Tornado Warning | LMK | Boyle, Casey, Garrard, Jessamine, Lincoln, Madison and 1 more | 46 min |
| Dec 11, 4:00 AM EST | Flash Flood Warning | LMK | Barren, Butler, Edmonson, Green, Hart, Logan and 3 more | 6 hr |
| Dec 11, 4:10 AM EST | Areal Flood Advisory | LMK | Anderson, Bullitt, Franklin, Harrison, Jefferson, Nelson and 3 more | 4 hr |
| Dec 11, 4:13 AM EST | Severe Thunderstorm Warning | LMK | Allen, Barren, Butler, Edmonson, Hart, Logan and 2 more | 32 min |
| Dec 11, 4:38 AM EST | Severe Thunderstorm Warning | LMK | Clark, Madison | 37 min |
| Dec 11, 4:43 AM EST | Areal Flood Advisory | LMK | Adair, Boyle, Casey, Garrard, Green, Lincoln and 3 more | 4 hr |
| Dec 11, 4:47 AM EST | Severe Thunderstorm Warning | LMK | Allen, Barren, Edmonson, Grayson, Green, Hardin and 7 more | 28 min |
| Dec 11, 4:56 AM EST | Flash Flood Warning | LMK | Breckinridge, Bullitt, Franklin, Grayson, Hancock, Hardin and 6 more | 3 hr |
| Dec 11, 5:01 AM EST | Tornado Warning | LMK | Garrard, Madison | 18 min |
| Dec 11, 5:18 AM EST | Severe Thunderstorm Warning | LMK | Adair, Allen, Barren, Casey, Cumberland, Green and 5 more | 42 min |
| Dec 11, 5:23 AM EST | Tornado Warning | LMK | Clark, Garrard, Lincoln, Madison | 37 min |
| Dec 11, 5:27 AM EST | Tornado Warning | LMK | Cumberland, Monroe | 33 min |
| Dec 11, 5:52 AM EST | Tornado Warning | LMK | Casey, Clinton, Cumberland, Russell | 23 min |
| Dec 11, 5:58 AM EST | Severe Thunderstorm Warning | LMK | Adair, Boyle, Casey, Clark, Fayette, Garrard and 6 more | 32 min |
| Dec 11, 5:58 AM EST | Severe Thunderstorm Warning | LMK | Adair, Boyle, Casey, Green, Lincoln, Marion and 2 more | 32 min |
| Dec 11, 6:28 AM EST | Severe Thunderstorm Warning | LMK | Clark, Garrard, Lincoln, Madison | 32 min |
| Dec 11, 8:42 AM EST | Areal Flood Warning | LMK | Garrard, Lincoln, Madison | 3 hr |
| Dec 11, 10:18 AM EST | Special Weather Statement | LMK | Anderson, Franklin, Henry, Nelson, Shelby, Spencer and 1 more | 27 min |
| Dec 11, 11:10 AM EST | Special Weather Statement | LMK | Anderson, Bourbon, Clark, Fayette, Harrison, Jessamine and 6 more | 65 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.