Alert archive / Kentucky / Flash Flood Warnings in 2021
Flash Flood Warning 40, NWS Jackson, KY
NWS Jackson, KY issued this flash flood warning at Jul 1, 2021, 5:15 PM EDT for Knott County, Leslie County, Perry County, Kentucky. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 1, 2021, 5:15 PM EDT (21:15 UTC)
- Expired
- Jul 1, 2021, 8:15 PM EDT
- In force
- 3 hr
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Knott County, KY, Leslie County, KY, Perry County, KY
The radar
The Jackson,KY radar (KJKL), 31 km from the middle of the area, began a volume at 21:18 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 nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.3 hours before the alert went out and 240 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
- 133 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 627 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -47 m²/s²
- 0-3 km storm-relative helicity
- -20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted.
490
WGUS53 KJKL 012115
FFWJKL
KYC119-131-193-020015-
/O.NEW.KJKL.FF.W.0040.210701T2115Z-210702T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson KY
515 PM EDT Thu Jul 1 2021
The National Weather Service in Jackson has issued a
* Flash Flood Warning for...
Northwestern Knott County in southeastern Kentucky...
North Central Leslie County in southeastern Kentucky...
Northern Perry County in southeastern Kentucky...
* Until 815 PM EDT.
* At 515 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Hazard, Hindman, Bulan, Ary, Fisty, Talcum, Ritchie, Emmalena,
Dice, Bearville, Carrie, Tina, Vest, Krypton, Leburn, Yellow
Mountain, Soft Shell, Mosley Bend, Toulouse and Confluence.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
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. Turn around. Don't drown.
&&
LAT...LON 3729 8343 3731 8344 3744 8295 3746 8291
3739 8286 3729 8307 3724 8333 3722 8340
FLASH FLOOD...RADAR INDICATED
$$
JMW1 follow-up statement
309
WGUS73 KJKL 020011
FFSJKL
Flash Flood Statement
National Weather Service Jackson KY
811 PM EDT Thu Jul 1 2021
KYC119-131-193-020021-
/O.EXP.KJKL.FF.W.0040.000000T0000Z-210702T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Knott KY-Leslie KY-Perry KY-
811 PM EDT Thu Jul 1 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 815 PM EDT THIS EVENING FOR
NORTHWESTERN KNOTT, NORTH CENTRAL LESLIE AND NORTHERN PERRY
COUNTIES...
Flood waters have receded. The heavy rain has ended. Please continue
to heed remaining road closures.
A Flash Flood Watch remains in effect until 600 AM EDT Friday for
portions of northeast Kentucky...south central Kentucky and
southeast Kentucky.
LAT...LON 3729 8343 3731 8344 3744 8295 3746 8291
3739 8286 3729 8307 3724 8333 3722 8340
$$
GEOGERIANThe office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 12:13 AM EDT | Special Weather Statement | JKL | Rockcastle | 47 min |
| Jul 1, 12:22 AM EDT | Special Weather Statement | JKL | Pulaski | 38 min |
| Jul 1, 12:48 AM EDT | Special Weather Statement | JKL | Pulaski | 42 min |
| Jul 1, 1:00 AM EDT | Special Weather Statement | JKL | Rockcastle | 45 min |
| Jul 1, 1:14 AM EDT | Severe Thunderstorm Warning | JKL | Jackson, Laurel, Pulaski, Rockcastle | 46 min |
| Jul 1, 1:28 AM EDT | Special Weather Statement | JKL | Jackson, Rockcastle | 47 min |
| Jul 1, 7:44 AM EDT | Special Weather Statement | JKL | Powell | 46 min |
| Jul 1, 9:43 AM EDT | Areal Flood Advisory | JKL | Estill, Powell | 3 hr |
| Jul 1, 10:34 AM EDT | Flash Flood Warning | JKL | Estill, Powell | 4 hr |
| Jul 1, 2:31 PM EDT | Areal Flood Advisory | JKL | Estill, Powell | 3 hr |
| Jul 1, 3:19 PM EDT | Areal Flood Warning | JKL | Estill, Menifee, Powell | 3 hr |
| Jul 1, 3:37 PM EDT | River Flood Advisory | JKL | Estill, Powell | 37 hr |
| Jul 1, 3:52 PM EDT | Areal Flood Advisory | JKL | Clay, Knott, Knox, Laurel, Leslie, McCreary and 2 more | 3 hr |
| Jul 1, 4:23 PM EDT | Flash Flood Warning | JKL | Clay, Knox, Laurel, Whitley | 4 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.