Alert archive / Kentucky / Flash Flood Warnings in 2021
Flash Flood Warning 60, NWS Louisville, KY
NWS Louisville, KY issued this flash flood warning at Dec 11, 2021, 3:56 AM CST for 12 counties in Kentucky; Harrison County, Indiana. It was in force for 3 hr. 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, 3:56 AM CST (09:56 UTC)
- Expired
- Dec 11, 2021, 7:00 AM CST
- In force
- 3 hr
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Harrison County, IN, Breckinridge County, KY, Bullitt County, KY, Franklin County, KY, Grayson County, KY, Hancock County, KY, Hardin County, KY, Jefferson County, KY, Meade County, KY, Ohio County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY
The radar
The Louisville radar (KLVX), 10 km from the middle of the area, began a volume at 09:57 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, 4:30 AM CST | FLASH FLOOD | 4 Ene Garfield, KY | WATER OVER THE BRIDGE AT ROSETTA CORNERS RD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 9.9 hours before the alert went out and 203 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
- 182 J/kg
- Mixed-layer CIN
- -168 J/kg
- Mixed-layer LCL
- 593 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 391 m²/s²
- 0-3 km storm-relative helicity
- 370 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
653
WGUS53 KLMK 110956
FFWLMK
INC061-KYC027-029-073-085-091-093-111-163-183-209-211-215-111300-
/O.NEW.KLMK.FF.W.0060.211211T0956Z-211211T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Louisville KY
456 AM EST Sat Dec 11 2021
The National Weather Service in Louisville has issued a
* Flash Flood Warning for...
Southeastern Harrison County in south central Indiana...
Southern Breckinridge County in central Kentucky...
Bullitt County in central Kentucky...
Franklin County in central Kentucky...
Northwestern Grayson County in central Kentucky...
Eastern Hancock County in central Kentucky...
Northwestern Hardin County in central Kentucky...
Southern Jefferson County in central Kentucky...
Southeastern Meade County in central Kentucky...
Central Ohio County in central Kentucky...
West Central Scott County in central Kentucky...
Shelby County in central Kentucky...
Spencer County in central Kentucky...
* Until 800 AM EST /700 AM CST/.
* At 456 AM EST /356 AM CST/, Doppler radar indicated thunderstorms
producing heavy rain across the warned area. Flash flooding is
ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Frankfort, Shelbyville, Shepherdsville, Hartford, Hardinsburg,
Pioneer Village, Taylorsville, Hollyvilla, Fairdale and Minor Lane
Heights.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3745 8709 3796 8614 3809 8577 3835 8496
3835 8454 3795 8539 3799 8549 3736 8702
FLASH FLOOD...RADAR INDICATED
$$
KDW1 follow-up statement
902
WGUS73 KLMK 111253
FFSLMK
Flash Flood Statement
National Weather Service Louisville KY
753 AM EST Sat Dec 11 2021
INC061-KYC027-029-073-085-091-093-111-163-183-209-211-215-111303-
/O.EXP.KLMK.FF.W.0060.000000T0000Z-211211T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Harrison IN-Breckinridge KY-Bullitt KY-Franklin KY-Grayson KY-
Hancock KY-Hardin KY-Jefferson KY-Meade KY-Ohio KY-Scott KY-Shelby
KY-Spencer KY-
753 AM EST Sat Dec 11 2021 /653 AM CST Sat Dec 11 2021/
...FLASH FLOOD WARNING WILL EXPIRE AT 8 AM EST/7 AM CST/ THIS
MORNING FOR SOUTHEASTERN HARRISON, SOUTHERN BRECKINRIDGE, BULLITT,
FRANKLIN, NORTHWESTERN GRAYSON, EASTERN HANCOCK, NORTHWESTERN
HARDIN, SOUTHERN JEFFERSON, SOUTHEASTERN MEADE, CENTRAL OHIO, WEST
CENTRAL SCOTT, SHELBY AND SPENCER COUNTIES...
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
LAT...LON 3745 8709 3796 8614 3809 8577 3835 8496
3835 8454 3795 8539 3799 8549 3736 8702
$$
AMSThe office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 7:20 PM CST | Special Weather Statement | LMK | Ohio | 55 min |
| Dec 10, 7:48 PM CST | Tornado Warning | LMK | Ohio | 57 min |
| Dec 10, 8:04 PM CST | Special Weather Statement | LMK | Breckinridge | 56 min |
| Dec 10, 8:24 PM CST | Severe Thunderstorm Warning | LMK | Breckinridge, Hancock | 36 min |
| Dec 10, 8:32 PM CST | Tornado Warning | LMK | Ohio | 30 min |
| Dec 10, 9:21 PM CST | Tornado Warning | LMK | Ohio | 39 min |
| Dec 10, 9:29 PM CST | Special Weather Statement | LMK | Breckinridge | 31 min |
| Dec 10, 9:37 PM CST | Tornado Warning | LMK | Breckinridge, Hardin, Meade | 17 min |
| Dec 10, 10:42 PM CST | Tornado Warning | LMK | Ohio | 63 min |
| Dec 10, 11:07 PM CST | Tornado Warning | LMK | Breckinridge, Grayson, Hancock | 53 min |
| Dec 10, 11:51 PM CST | Tornado Warning | LMK | Breckinridge, Hardin, Meade | 39 min |
| Dec 11, 12:29 AM CST | Special Weather Statement | LMK | Spencer | 16 min |
| Dec 11, 12:30 AM CST | Special Weather Statement | LMK | Bullitt | 15 min |
| Dec 11, 12:33 AM CST | Special Weather Statement | LMK | Henry, Jefferson, Oldham, Shelby, Trimble | 27 min |
| Dec 11, 12:36 AM CST | Tornado Warning | LMK | Logan, Simpson | 39 min |
| Dec 11, 12:41 AM CST | Severe Thunderstorm Warning | LMK | Bullitt, Nelson, Spencer | 34 min |
| Dec 11, 12:44 AM CST | Tornado Warning | LMK | Bullitt, Nelson, Shelby, Spencer | 46 min |
| Dec 11, 12:58 AM CST | Tornado Warning | LMK | Butler, Edmonson, Logan, Simpson, Warren | 47 min |
| Dec 11, 1:27 AM CST | Tornado Warning | LMK | Barren, Butler, Edmonson, Hart, Metcalfe, Warren | 48 min |
| Dec 11, 1:28 AM CST | Tornado Warning | LMK | Franklin, Scott | 20 min |
| Dec 11, 1:45 AM CST | Special Weather Statement | LMK | Bullitt, Hardin, Larue, Nelson, Spencer | 30 min |
| Dec 11, 1:55 AM CST | Tornado Warning | LMK | Barren, Green, Hart, Larue, Marion, Metcalfe and 1 more | 50 min |
| Dec 11, 2:08 AM CST | Areal Flood Advisory | LMK | Breckinridge, Bullitt, Hardin, Jefferson, Meade | 115 min |
| Dec 11, 2:16 AM CST | Severe Thunderstorm Warning | LMK | Anderson, Franklin, Harrison, Henry, Nelson, Scott and 3 more | 29 min |
| Dec 11, 2:16 AM CST | Severe Thunderstorm Warning | LMK | Butler, Logan, Simpson, Warren | 44 min |
| Dec 11, 2:22 AM CST | Tornado Warning | LMK | Boyle, Casey, Larue, Lincoln, Marion, Mercer and 1 more | 38 min |
| Dec 11, 2:59 AM CST | Tornado Warning | LMK | Boyle, Casey, Garrard, Jessamine, Lincoln, Madison and 1 more | 46 min |
| Dec 11, 3:00 AM CST | Flash Flood Warning | LMK | Barren, Butler, Edmonson, Green, Hart, Logan and 3 more | 6 hr |
| Dec 11, 3:10 AM CST | Areal Flood Advisory | LMK | Anderson, Bullitt, Franklin, Harrison, Jefferson, Nelson and 3 more | 4 hr |
| Dec 11, 3:13 AM CST | Severe Thunderstorm Warning | LMK | Allen, Barren, Butler, Edmonson, Hart, Logan and 2 more | 32 min |
| Dec 11, 3:20 AM CST | Severe Thunderstorm Warning | LMK | Bourbon, Clark, Fayette, Harrison, Jessamine, Nicholas and 2 more | 25 min |
| Dec 11, 3:38 AM CST | Severe Thunderstorm Warning | LMK | Clark, Madison | 37 min |
| Dec 11, 3:43 AM CST | Areal Flood Advisory | LMK | Adair, Boyle, Casey, Garrard, Green, Lincoln and 3 more | 4 hr |
| Dec 11, 3:47 AM CST | Severe Thunderstorm Warning | LMK | Allen, Barren, Edmonson, Grayson, Green, Hardin and 7 more | 28 min |
| Dec 11, 4:01 AM CST | Tornado Warning | LMK | Garrard, Madison | 18 min |
| Dec 11, 4:18 AM CST | Severe Thunderstorm Warning | LMK | Adair, Allen, Barren, Casey, Cumberland, Green and 5 more | 42 min |
| Dec 11, 4:23 AM CST | Tornado Warning | LMK | Clark, Garrard, Lincoln, Madison | 37 min |
| Dec 11, 4:27 AM CST | Tornado Warning | LMK | Cumberland, Monroe | 33 min |
| Dec 11, 4:52 AM CST | Tornado Warning | LMK | Casey, Clinton, Cumberland, Russell | 23 min |
| Dec 11, 4:58 AM CST | Severe Thunderstorm Warning | LMK | Adair, Boyle, Casey, Clark, Fayette, Garrard and 6 more | 32 min |
| Dec 11, 4:58 AM CST | Severe Thunderstorm Warning | LMK | Adair, Boyle, Casey, Green, Lincoln, Marion and 2 more | 32 min |
| Dec 11, 5:28 AM CST | Severe Thunderstorm Warning | LMK | Clark, Garrard, Lincoln, Madison | 32 min |
| Dec 11, 7:42 AM CST | Areal Flood Warning | LMK | Garrard, Lincoln, Madison | 3 hr |
| Dec 11, 9:18 AM CST | Special Weather Statement | LMK | Anderson, Franklin, Henry, Nelson, Shelby, Spencer and 1 more | 27 min |
| Dec 11, 10:10 AM CST | Special Weather Statement | LMK | Anderson, Bourbon, Clark, Fayette, Harrison, Jessamine and 6 more | 65 min |
| Dec 11, 1:01 AM CST | Special Weather Statement | LMK | Crawford | 14 min |
Nearby
Flash Flood Warnings in Kentucky, 2021Flash Flood Warnings in Indiana, 2021Every flash flood 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.