Alert archive / Kentucky / Flash Flood Warnings in 2021
Flash Flood Warning 57, NWS Louisville, KY
NWS Louisville, KY issued this flash flood warning at Sep 15, 2021, 11:33 AM CDT for Logan County, Simpson County, Kentucky. 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
- Sep 15, 2021, 11:33 AM CDT (16:33 UTC)
- Expired
- Sep 15, 2021, 2:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Logan County, KY, Simpson County, KY
The radar
The Ft Campbell radar (KHPX), 45 km from the middle of the area, began a volume at 16:37 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 |
|---|---|---|---|
| Sep 15, 12:21 PM CDT | FLASH FLOOD | 4 Se Corinth, KY | DEBRIS WAS REPORTED OVER MIDDLETON CIRCLE ROAD IN MIDDLETON FROM FLASH FLOODING. ALSO WATER OVER THE ROADWAYS ON 100 W NEAR THE SAME AREA. |
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, 4.6 hours before the alert went out and 68 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
- 843 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 585 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
685
WGUS53 KLMK 151633
FFWLMK
KYC141-213-151930-
/O.NEW.KLMK.FF.W.0057.210915T1633Z-210915T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Louisville KY
1133 AM CDT Wed Sep 15 2021
The National Weather Service in Louisville has issued a
* Flash Flood Warning for...
Southeastern Logan County in south central Kentucky...
Northern Simpson County in south central Kentucky...
* Until 230 PM CDT.
* At 1133 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2.5 inches of
rain have fallen. The expected rainfall rate is 1 to 3 inches in 1
hour. Additional rainfall amounts of 1 to 3 inches 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...
Franklin, Adairville, Middleton, Neosheo, Prices Mill, Turnertown,
Schochoh, Salmons, Schley and Dot.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3664 8696 3671 8696 3682 8670 3686 8660
3685 8659 3683 8658 3681 8645 3673 8657
3667 8676 3665 8691 3665 8693 3665 8694
3665 8695
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-3 INCHES IN 1 HOUR
$$
BJS1 follow-up statement
424
WGUS73 KLMK 151928
FFSLMK
Flash Flood Statement
National Weather Service Louisville KY
228 PM CDT Wed Sep 15 2021
KYC141-213-151938-
/O.EXP.KLMK.FF.W.0057.000000T0000Z-210915T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Logan KY-Simpson KY-
228 PM CDT Wed Sep 15 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 230 PM CDT THIS AFTERNOON FOR
SOUTHEASTERN LOGAN AND NORTHERN SIMPSON COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
A Flash Flood Watch remains in effect until 700 PM CDT for portions
of east central Kentucky, north central Kentucky and south central
Kentucky.
LAT...LON 3664 8696 3671 8696 3682 8670 3686 8660
3685 8659 3683 8658 3681 8645 3673 8657
3667 8676 3665 8691 3665 8693 3665 8694
3665 8695
$$
BJSThe office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 15, 6:16 AM CDT | Areal Flood Advisory | LMK | Larue, Nelson, Washington | 106 min |
| Sep 15, 6:52 AM CDT | Areal Flood Advisory | LMK | Grayson, Hardin | 3 hr |
| Sep 15, 7:14 AM CDT | Flash Flood Watch | LMK | Adair, Allen, Anderson, Barren, Bourbon, Boyle and 28 more | 12 hr |
| Sep 15, 7:50 AM CDT | Flash Flood Warning | LMK | Hardin, Larue, Marion, Nelson, Washington | 4 hr |
| Sep 15, 8:12 AM CDT | Flash Flood Warning | LMK | Butler, Grayson | 3 hr |
| Sep 15, 9:25 AM CDT | Areal Flood Advisory | LMK | Clark, Fayette, Jessamine, Madison | 4 hr |
| Sep 15, 10:11 AM CDT | Areal Flood Advisory | LMK | Boyle, Marion, Mercer, Washington | 3 hr |
| Sep 15, 11:05 AM CDT | Areal Flood Advisory | LMK | Marion | 7 min |
| Sep 15, 11:12 AM CDT | Flash Flood Warning | LMK | Marion | 117 min |
| Sep 15, 11:22 AM CDT | Areal Flood Advisory | LMK | Logan, Simpson | 11 min |
| Sep 15, 12:31 PM CDT | Areal Flood Advisory | LMK | Allen, Logan, Simpson, Warren | 3 hr |
| Sep 15, 4:59 PM CDT | Areal Flood Advisory | LMK | Franklin | 2 hr |
| Sep 15, 5:51 PM CDT | Areal Flood Advisory | LMK | Larue | 114 min |
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.