Alert archive / Kentucky / Flash Flood Warnings in 2022

Flash Flood Warning 20, NWS Jackson, KY

July 18, 2022Bell County, Knox County, Whitley County, Kentucky

NWS Jackson, KY issued this flash flood warning at Jul 18, 2022, 3:01 PM EDT for Bell County, Knox County, Whitley 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 counties it named.

The facts

Issued: Jul 18, 2022, 3:01 PM EDT (19:01 UTC)
Expired: Jul 18, 2022, 6:00 PM EDT
In force: 3 hr
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Flood severity: None

Counties Bell County, KY, Knox County, KY, Whitley County, KY

The radar

The Knoxville radar (KMRX), 82 km from the middle of the area, began a volume at 19:02 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, 7.0 hours before the alert went out and 293 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 118 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 471 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: -17 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jackson, KY wrote its last area forecast discussion before this flash flood warning went out at Jul 17, 5:10 PM EDT, 21 hours 51 minutes earlier.

Area forecast discussion, Jul 17, 5:10 PM EDT, 21 hours 51 minutes before

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Hazardous weather outlook, Jul 17, 4:20 PM EDT, 22 hours 41 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Jackson KY
420 PM EDT Sun Jul 17 2022

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-182330-
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-
Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott-
Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike-
Including the cities of Flemingsburg, Camargo, Jeffersonville,
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna,
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee,
Annville, Burnside, Somerset, London, Monticello, Stearns,
Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro,
Pineville, Cumberland, Harlan, Sandy Hook, West Liberty,
Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright,
Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard,
Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run,
Elkhorn City, Pikeville, and South Williamson
420 PM EDT Sun Jul 17 2022

This hazardous weather outlook is for portions of eastern Kentucky.

.DAY ONE...This afternoon and tonight.

Thunderstorms are expected to be around into the night. Some
storms may be strong to severe with damaging wind gusts the
primary threat. Heavy rain could lead to isolated instances of
flash flooding, especially if multiple storms pass over the same
area.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Thunderstorms are possible at times from Monday through Thursday
and again on Saturday.

Locally heavy rain is possible on Monday, which could lead to
instances of flash flooding.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any instances of wind damage or
flooding through Monday.

GREIF/BATZ

The office that day

Everything else NWS Jackson, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 17, 8:03 PM EDT	Flash Flood Warning	JKL	Pike	2 hr
Jul 18, 9:19 AM EDT	Areal Flood Advisory	JKL	Wayne	35 min
Jul 18, 9:54 AM EDT	Flash Flood Warning	JKL	Wayne	3 hr
Jul 18, 2:20 PM EDT	Areal Flood Advisory	JKL	Bell, Harlan, Knox, Whitley	3 hr

Nearby

Flash Flood Warnings in Kentucky, 2022 Every flash flood warning in 2022

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.