Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 102, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Dec 11, 2021, 3:16 AM EST for 9 counties in Kentucky. It was in force for 29 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
- Dec 11, 2021, 3:16 AM EST (08:16 UTC)
- Expired
- Dec 11, 2021, 3:45 AM EST
- In force
- 29 min
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Anderson County, KY, Franklin County, KY, Harrison County, KY, Henry County, KY, Nelson County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Woodford County, KY
The radar
The Louisville radar (KLVX), 110 km from the middle of the area, began a volume at 08:17 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 10, 7:21 PM EST | Tornado Watch | SPC | 10 hr |
| Dec 11, 2:27 AM EST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 8.3 hours before the alert went out and 147 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.
942
WUUS53 KLMK 110816
SVRLMK
KYC005-073-097-103-179-209-211-215-239-110845-
/O.NEW.KLMK.SV.W.0102.211211T0816Z-211211T0845Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
316 AM EST Sat Dec 11 2021
The National Weather Service in Louisville has issued a
* Severe Thunderstorm Warning for...
Spencer County in central Kentucky...
Eastern Shelby County in central Kentucky...
North central Nelson County in central Kentucky...
Northwestern Woodford County in central Kentucky...
Northwestern Scott County in central Kentucky...
Northern Anderson County in central Kentucky...
Southeastern Henry County in central Kentucky...
Northwestern Harrison County in central Kentucky...
Franklin County in central Kentucky...
* Until 345 AM EST.
* At 315 AM EST, a severe thunderstorm was located 8 miles northwest
of Frankfort, moving east at 70 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
Spencer, eastern Shelby, north central Nelson, northwestern
Woodford, northwestern Scott, northern Anderson, southeastern
Henry, northwestern Harrison and Franklin Counties, including the
following locations... Yoder, Longlick, Slickway, Highgrove,
Wayside, Stonewall, Anderson City, Glensboro, Farmdale and Stamping
Ground.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 600 AM EST for central
Kentucky. A Tornado Watch also 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.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
A Tornado Watch remains in effect until 600 AM EST for central
Kentucky. A Tornado Watch also remains in effect until 900 AM EST for
central Kentucky.
&&
LAT...LON 3805 8482 3788 8558 3789 8559 3841 8501
3843 8492 3842 8488 3838 8490 3837 8487
3836 8487 3834 8478 3837 8471 3849 8456
3851 8449 3854 8448 3853 8445 3854 8442
3856 8441 3857 8433
TIME...MOT...LOC 0815Z 247DEG 60KT 3830 8495
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
KDWThe 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 | 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, 4:20 AM EST | Severe Thunderstorm Warning | LMK | Bourbon, Clark, Fayette, Harrison, Jessamine, Nicholas and 2 more | 25 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.