Alert archive / Kentucky / Flash Flood Warnings in 2021
Flash Flood Warning 39, NWS Jackson, KY
NWS Jackson, KY issued this flash flood warning at Jul 1, 2021, 4:23 PM EDT for 4 counties in Kentucky. It was in force for 4 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, 4:23 PM EDT (20:23 UTC)
- Expired
- Jul 1, 2021, 8:15 PM EDT
- In force
- 4 hr
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clay County, KY, Knox County, KY, Laurel County, KY, Whitley County, KY
The radar
The Jackson,KY radar (KJKL), 92 km from the middle of the area, began a volume at 20:23 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
Nashville Metro, TN (KBNA), launched 12:00Z, 8.4 hours before the alert went out and 249 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
- 181 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 879 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
431
WGUS53 KJKL 012023
FFWJKL
KYC051-121-125-235-020015-
/O.NEW.KJKL.FF.W.0039.210701T2023Z-210702T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson KY
423 PM EDT Thu Jul 1 2021
The National Weather Service in Jackson has issued a
* Flash Flood Warning for...
Southern Laurel County in south central Kentucky...
Northwestern Whitley County in south central Kentucky...
Central Clay County in southeastern Kentucky...
Northern Knox County in southeastern Kentucky...
* Until 815 PM EDT.
* At 423 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen since 3 pm. 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...
Barbourville, Manchester, Knoxfork, Tuttle, Gibbs, Cranes Nest,
Tedders, Cane Creek, Fletcher, Jarvis, Blackwater, Garrich,
Sasser, Sprule, Lida, Lynn Camp, Bentley Station, McHargue, Lowell
and Baileys Switch.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3695 8432 3701 8431 3714 8394 3724 8351
3722 8353 3719 8352 3717 8355 3702 8354
3681 8400 3682 8435 3683 8432 3684 8434
3686 8431 3690 8432 3694 8430
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
GEOGERIAN2 follow-up statements
834
WGUS73 KJKL 012133
FFSJKL
Flash Flood Statement
National Weather Service Jackson KY
533 PM EDT Thu Jul 1 2021
KYC051-121-125-235-020015-
/O.CON.KJKL.FF.W.0039.000000T0000Z-210702T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Clay KY-Knox KY-Laurel KY-Whitley KY-
533 PM EDT Thu Jul 1 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM EDT THIS
EVENING FOR SOUTHERN LAUREL, NORTHWESTERN WHITLEY, CENTRAL CLAY AND
NORTHERN KNOX COUNTIES...
At 533 PM EDT, Doppler radar indicated showers and thunderstorms
producing heavy rain across the warned area. Between 2 and 3 inches
of rain have fallen since 3 pm. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that will experience flash flooding include...
Barbourville, Manchester, Knoxfork, Tuttle, Gibbs, Cranes Nest,
Tedders, Cane Creek, Fletcher, Jarvis, Blackwater, Garrich,
Sasser, Sprule, Lida, Lynn Camp, Bentley Station, McHargue, Lowell
and Baileys Switch.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3695 8432 3701 8431 3714 8394 3724 8351
3722 8353 3719 8352 3717 8355 3702 8354
3681 8400 3682 8435 3683 8432 3684 8434
3686 8431 3690 8432 3694 8430
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1 INCH IN 1 HOUR
$$
GEOGERIAN695
WGUS73 KJKL 020010
FFSJKL
Flash Flood Statement
National Weather Service Jackson KY
810 PM EDT Thu Jul 1 2021
KYC051-121-125-235-020020-
/O.EXP.KJKL.FF.W.0039.000000T0000Z-210702T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Clay KY-Knox KY-Laurel KY-Whitley KY-
810 PM EDT Thu Jul 1 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 815 PM EDT THIS EVENING FOR
SOUTHERN LAUREL, NORTHWESTERN WHITLEY, CENTRAL CLAY AND NORTHERN
KNOX 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 3695 8432 3701 8431 3714 8394 3724 8351
3722 8353 3719 8352 3717 8355 3702 8354
3681 8400 3682 8435 3683 8432 3684 8434
3686 8431 3690 8432 3694 8430
$$
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, 5:15 PM EDT | Flash Flood Warning | JKL | Knott, Leslie, Perry | 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.