Alert archive / Kentucky / Flash Flood Warnings in 2021
Flash Flood Warning 43, NWS Louisville, KY
NWS Louisville, KY issued this flash flood warning at Aug 16, 2021, 3:55 PM EDT for Nicholas 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 16, 2021, 3:55 PM EDT (19:55 UTC)
- Expired
- Aug 16, 2021, 7:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
- Flood severity
- None
County Nicholas County, KY
The radar
The Jackson,KY radar (KJKL), 106 km from the middle of the area, began a volume at 19:58 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 16, 3:55 PM EDT | FLASH FLOOD | 1 Nw Carlisle, KY | OLD PARIS ROAD IS CLOSED DUE TO FLOODING. |
| Aug 16, 3:55 PM EDT | FLASH FLOOD | Carlisle, KY | FLOODING NEAR SHELL ON CONCRETE ROAD. |
| Aug 16, 3:55 PM EDT | FLASH FLOOD | Carlisle, KY | MAIN STREET IS CLOSED DUE TO FLOODING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.9 hours before the alert went out and 124 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
- 241 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 572 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
509
WGUS53 KLMK 161955
FFWLMK
KYC181-162300-
/O.NEW.KLMK.FF.W.0043.210816T1955Z-210816T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Louisville KY
355 PM EDT Mon Aug 16 2021
The National Weather Service in Louisville has issued a
* Flash Flood Warning for...
Central Nicholas County in central Kentucky...
* Until 700 PM EDT.
* At 355 PM EDT, local law enforcement reported thunderstorms
producing heavy rain across the warned area. Flash flooding is
already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement reported.
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...
Carlisle and Ellisville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
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 3830 8412 3835 8407 3839 8404 3844 8403
3844 8402 3839 8397 3831 8401 3828 8409
3828 8411 3829 8410 3829 8411 3829 8412
FLASH FLOOD...OBSERVED
$$
KDW1 follow-up statement
232
WGUS73 KLMK 162254
FFSLMK
Flash Flood Statement
National Weather Service Louisville KY
654 PM EDT Mon Aug 16 2021
KYC181-162304-
/O.EXP.KLMK.FF.W.0043.000000T0000Z-210816T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Nicholas KY-
654 PM EDT Mon Aug 16 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 7 PM EDT THIS EVENING FOR
CENTRAL NICHOLAS COUNTY...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
LAT...LON 3830 8412 3835 8407 3839 8404 3844 8403
3844 8402 3839 8397 3831 8401 3828 8409
3828 8411 3829 8410 3829 8411 3829 8412
$$
KDWThe office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 3:20 PM EDT | Areal Flood Advisory | LMK | Bourbon, Fayette, Scott | 3 hr |
| Aug 16, 3:21 PM EDT | Areal Flood Advisory | LMK | Nicholas | 3 hr |
| Aug 16, 5:15 PM EDT | Areal Flood Advisory | LMK | Scott | 3 hr |
| Aug 16, 5:43 PM EDT | Flash Flood Warning | LMK | Scott | 3 hr |
| Aug 16, 7:17 PM EDT | Areal Flood Advisory | LMK | Anderson, Mercer, Woodford | 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.