Alert archive / Kentucky / Flash Flood Warnings in 2022

Flash Flood Warning 48, NWS Jackson, KY

July 31, 2022Whitley County, Kentucky

NWS Jackson, KY issued this flash flood warning at Jul 31, 2022, 1:58 PM EDT for 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 31, 2022, 1:58 PM EDT (17:58 UTC)
Expired
Jul 31, 2022, 5:00 PM EDT
In force
3 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

County Whitley County, KY

The radar

The Knoxville radar (KMRX), 93 km from the middle of the area, began a volume at 18:01 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, 6.0 hours before the alert went out and 230 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2022-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 505 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2022-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
505 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
747 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

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 31, 12:22 PM EDT, 1 hour 36 minutes earlier.

Area forecast discussion, Jul 31, 12:22 PM EDT, 1 hour 36 minutes before
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Hazardous weather outlook, Jul 31, 4:10 AM EDT, 9 hours 48 minutes before
Hazardous Weather Outlook
National Weather Service Jackson KY
410 AM EDT Sun Jul 31 2022

KYZ058>060-068-069-079-080-083>088-106>120-011115-
Estill-Powell-Menifee-Rockcastle-Jackson-Pulaski-Laurel-Wayne-
McCreary-Whitley-Knox-Bell-Harlan-Morgan-Johnson-Wolfe-Magoffin-
Floyd-Lee-Breathitt-Knott-Owsley-Perry-Clay-Leslie-Letcher-Martin-
Pike-
Including the cities of 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, 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
410 AM EDT Sun Jul 31 2022

...FLOOD WATCH IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
MONDAY MORNING...

This hazardous weather outlook is for portions of eastern Kentucky.

.DAY ONE...Today and Tonight.

Showers and thunderstorms are expected today and tonight. Flash
flooding will be possible, especially at locations that see
repeated rounds of storms.

The main stem of the Kentucky River will continue to run high
through tonight.

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

Showers and thunderstorms are expected on Monday. Flash flooding
will be possible, especially at locations that see repeated rounds
of storms.

Thunderstorms are also possible on Tuesday, as well as at times
from Thursday through Saturday.

Additionally, heat indices will peak between 95 and 100 degrees
Wednesday and Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any occurrences of flooding
through Monday.

KYZ044-050>052-104-011115-
Fleming-Montgomery-Bath-Rowan-Elliott-
Including the cities of Flemingsburg, Camargo, Jeffersonville,
Mount Sterling, Owingsville, Morehead, and Sandy Hook
410 AM EDT Sun Jul 31 2022

This hazardous weather outlook is for portions of eastern Kentucky.

.DAY ONE...Today and Tonight.

Showers and thunderstorms are expected today and tonight.
Localized flash flooding will be possible for places that see
repeated rounds of storms.

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

Showers and thunderstorms are expected on Monday. Flash flooding
will be possible, especially at locations that see repeated rounds
of storms.

Thunderstorms are also possible on Tuesday, as well as at times
from Thursday through Saturday.

Additionally, heat indices will peak between 95 and 100 degrees
Wednesday and Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any occurrences of flooding
through Monday.

GREIF/BATZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 6:17 AM EDTRiver Flood AdvisoryJKLLee15 hr
Jul 31, 1:00 PM EDTAreal Flood AdvisoryJKLBell, Harlan, Knox, Leslie, Letcher, McCreary and 1 more3 hr
Jul 31, 1:24 PM EDTFlash Flood WarningJKLMcCreary, Whitley3 hr
Jul 31, 2:15 PM EDTFlash Flood WarningJKLBell, Harlan, Leslie2 hr
Jul 31, 2:24 PM EDTAreal Flood AdvisoryJKLFloyd, Knott, Pike111 min
Jul 31, 2:31 PM EDTFlash Flood WarningJKLFloyd, Pike4 hr
Jul 31, 3:19 PM EDTAreal Flood AdvisoryJKLBreathitt, Jackson, Lee, Owsley4 hr
Jul 31, 3:54 PM EDTFlash Flood WarningJKLBell, Knox, Whitley117 min
Jul 31, 4:13 PM EDTAreal Flood AdvisoryJKLBell, Harlan, Leslie3 hr
Jul 31, 4:29 PM EDTAreal Flood AdvisoryJKLClay2 hr
Jul 31, 4:50 PM EDTFlash Flood WarningJKLPike115 min
Jul 31, 5:44 PM EDTAreal Flood AdvisoryJKLWhitley4 hr
Jul 31, 5:51 PM EDTAreal Flood AdvisoryJKLBell, Knox, Whitley5 hr
Jul 31, 6:33 PM EDTAreal Flood WarningJKLFloyd, Pike3 hr
Jul 31, 7:12 PM EDTAreal Flood AdvisoryJKLBell, Harlan, Leslie5 hr
Jul 31, 7:43 PM EDTAreal Flood AdvisoryJKLKnox2 hr

Nearby

Flash Flood Warnings in Kentucky, 2022Every 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.