Alert archive / Kentucky / Flash Flood Warnings in 2021
Flash Flood Warning 42, NWS Louisville, KY
NWS Louisville, KY issued this flash flood warning at Aug 14, 2021, 4:25 PM EDT for Larue County, Nelson County, Kentucky. It was in force for 3 hr. 3 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
- Aug 14, 2021, 4:25 PM EDT (20:25 UTC)
- Expired
- Aug 14, 2021, 7:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Larue County, KY, Nelson County, KY
The radar
The Louisville radar (KLVX), 54 km from the middle of the area, began a volume at 20:28 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 |
|---|---|---|---|
| Aug 14, 5:00 PM EDT | FLASH FLOOD | 3 Sw Hodgenville, KY | TANNER ROAD WAS CLOSED DUE TO HIGH WATER. |
| Aug 14, 5:00 PM EDT | FLASH FLOOD | 4 E Buffalo, KY | HERBERT HOWELL ROAD WAS CLOSED DUE TO HIGH WATER. |
| Aug 14, 5:00 PM EDT | FLASH FLOOD | 4 Sse Howardstown, KY | WAYNE ENNIS ROAD WAS CLOSED DUE TO HIGH WATER. |
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 12:00Z, 8.4 hours before the alert went out and 182 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
- 250 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 966 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
960
WGUS53 KLMK 142025
FFWLMK
KYC123-179-142330-
/O.NEW.KLMK.FF.W.0042.210814T2025Z-210814T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Louisville KY
425 PM EDT Sat Aug 14 2021
The National Weather Service in Louisville has issued a
* Flash Flood Warning for...
Central Larue County in central Kentucky...
South Central Nelson County in central Kentucky...
* Until 730 PM EDT.
* At 425 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 3 inches of
rain have fallen. Additional rainfall amounts up to 1 inch are
possible in 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...
Hodgenville, Leafdale, Howardstown, Stiles, Ginseng, Boundary Oak,
Mathers Mill, Gleanings and Tanner.
This includes the following streams and drainages...
South Fork Nolin River southwest of Hodgenville, and Rolling Fork
near Howardstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3755 8552 3750 8551 3750 8582 3757 8581
3759 8576 3762 8557 3761 8550 3756 8552
FLASH FLOOD...RADAR INDICATED
$$
RAS1 follow-up statement
334
WGUS73 KLMK 142324
FFSLMK
Flash Flood Statement
National Weather Service Louisville KY
724 PM EDT Sat Aug 14 2021
KYC123-179-142334-
/O.EXP.KLMK.FF.W.0042.000000T0000Z-210814T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Larue KY-Nelson KY-
724 PM EDT Sat Aug 14 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 730 PM EDT THIS EVENING FOR
CENTRAL LARUE AND SOUTH CENTRAL NELSON COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3755 8552 3750 8551 3750 8582 3757 8581
3759 8576 3762 8557 3761 8550 3756 8552
$$
RASThe office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 8:09 PM EDT | Areal Flood Advisory | LMK | Franklin, Harrison, Henry, Scott, Shelby | 3 hr |
| Aug 14, 2:06 PM EDT | Special Weather Statement | LMK | Logan | 24 min |
| Aug 14, 2:07 PM EDT | Special Weather Statement | LMK | Hardin | 23 min |
| Aug 14, 2:28 PM EDT | Special Weather Statement | LMK | Logan | 32 min |
| Aug 14, 2:32 PM EDT | Special Weather Statement | LMK | Hardin | 28 min |
| Aug 14, 2:43 PM EDT | Special Weather Statement | LMK | Warren | 32 min |
| Aug 14, 2:54 PM EDT | Areal Flood Advisory | LMK | Jefferson | 2 hr |
| Aug 14, 2:58 PM EDT | Areal Flood Advisory | LMK | Hardin | 2 hr |
| Aug 14, 3:00 PM EDT | Areal Flood Advisory | LMK | Warren | 3 hr |
| Aug 14, 3:10 PM EDT | Areal Flood Advisory | LMK | Metcalfe | 2 hr |
| Aug 14, 3:16 PM EDT | Areal Flood Advisory | LMK | Bullitt, Jefferson | 119 min |
| Aug 14, 3:18 PM EDT | Areal Flood Advisory | LMK | Nelson | 117 min |
| Aug 14, 3:22 PM EDT | Special Weather Statement | LMK | Warren | 38 min |
| Aug 14, 3:33 PM EDT | Areal Flood Advisory | LMK | Hardin | 117 min |
| Aug 14, 3:39 PM EDT | Flash Flood Warning | LMK | Bullitt, Jefferson | 3 hr |
| Aug 14, 3:47 PM EDT | Areal Flood Advisory | LMK | Nicholas | 3 hr |
| Aug 14, 3:57 PM EDT | Areal Flood Advisory | LMK | Larue | 3 hr |
| Aug 14, 4:44 PM EDT | Areal Flood Advisory | LMK | Butler | 3 hr |
| Aug 14, 4:45 PM EDT | Areal Flood Advisory | LMK | Grayson, Ohio | 3 hr |
| Aug 14, 5:47 PM EDT | Areal Flood Advisory | LMK | Breckinridge, Meade | 3 hr |
| Aug 14, 7:50 PM EDT | Areal Flood Advisory | LMK | Lincoln | 3 hr |
Nearby
Flash Flood Warnings in Kentucky, 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.