Alert archive / Kentucky / Flash Flood Warnings in 2022

Flash Flood Warning 53, NWS Jackson, KY

July 31, 2022Bell County, Knox County, Kentucky

NWS Jackson, KY issued this flash flood warning at Jul 31, 2022, 8:02 PM EDT for Bell County, Knox County, Kentucky. It was in force for 118 min. 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, 8:02 PM EDT (00:02 UTC)
Expired
Jul 31, 2022, 10:00 PM EDT
In force
118 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

Counties Bell County, KY, Knox County, KY

The radar

The Knoxville radar (KMRX), 78 km from the middle of the area, began a volume at 00:03 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 00:00Z, 0.0 hours before the alert went out and 265 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 00:00Z on 2022-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 946 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 00:00Z on 2022-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.193958Sfc1 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
946 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
960 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
78 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 31, 7:20 PM EDT, 42 minutes earlier.

Area forecast discussion, Jul 31, 7:20 PM EDT, 42 minutes before
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Hazardous weather outlook, Jul 31, 4:55 PM EDT, 3 hours 7 minutes before
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In the hours before

Local storm report, Jul 31, 3:35 PM EDT, 4 hours 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON KY
335 PM EDT SUN JUL 31 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0315 PM     FLASH FLOOD      1 W SAXTON              36.63N 84.12W
07/31/2022                   WHITLEY            KY   911 CALL CENTER

            WATER WAS REPORTED OVER THE ROAD ON SUKEY
            HOLLOW ROAD NEAR SAXTON.

0315 PM     FLASH FLOOD      1 NE FAIRVIEW           36.61N 84.11W
07/31/2022                   WHITLEY            KY   911 CALL CENTER

            6 INCHES OF WATER WAS FLOWING OVER HWY 1804
            AT THE I-75 OVERPASS.

0315 PM     FLASH FLOOD      SAXTON                  36.63N 84.12W
07/31/2022                   WHITLEY            KY   911 CALL CENTER

            THE LEFT HAND LANE OF HWY-25 W WAS BLOCKED
            UNDER THE I-75 OVERPASS DUE TO WATER FLOWING
            OVER THE ROAD.

&&
Local storm report, Jul 31, 3:54 PM EDT, 4 hours 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON KY
354 PM EDT SUN JUL 31 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0348 PM     FLASH FLOOD      3 WSW MOUNTAIN ASH      36.64N 84.17W
07/31/2022                   WHITLEY            KY   911 CALL CENTER

            WHITLEY COUNTY 911 DISPATCH REPORTS THAT A
            WATER RESCUE TOOK PLACE ALONG LITTLE WOLF
            CREEK ROAD.

&&

AV
Local storm report, Jul 31, 5:15 PM EDT, 2 hours 47 minutes before
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Local storm report, Jul 31, 6:35 PM EDT, 1 hour 27 minutes before
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Local storm report, Jul 31, 6:53 PM EDT, 1 hour 9 minutes before
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Local storm report, Jul 31, 8:02 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 8:41 PM EDTFlash Flood WarningJKLWhitley3 hr
Jul 31, 9:20 PM EDTFlash Flood WarningJKLBell, Whitley2 hr
Jul 31, 9:40 PM EDTAreal Flood AdvisoryJKLClay, Knox, Leslie2 hr
Jul 31, 10:30 PM EDTAreal Flood AdvisoryJKLLeslie, Perry4 hr
Aug 1, 1:04 AM EDTAreal Flood AdvisoryJKLBreathitt, Magoffin3 hr
Aug 1, 1:29 AM EDTRiver Flood AdvisoryJKLEstill8 hr
Aug 1, 1:57 AM EDTAreal Flood AdvisoryJKLFloyd, Magoffin, Martin, Pike3 hr
Aug 1, 1:58 AM EDTAreal Flood AdvisoryJKLKnott, Letcher, Perry, Pike5 hr
Aug 1, 4:10 AM EDTAreal Flood AdvisoryJKLClay, Knox, Leslie, Perry3 hr
Aug 1, 4:14 AM EDTAreal Flood AdvisoryJKLJackson, Laurel, Pulaski, Rockcastle3 hr
Aug 1, 5:38 AM EDTAreal Flood AdvisoryJKLBreathitt, Clay, Jackson, Owsley, Perry3 hr
Aug 1, 6:04 AM EDTAreal Flood AdvisoryJKLBreathitt, Floyd, Knott, Letcher, Perry3 hr
Aug 1, 6:48 AM EDTAreal Flood AdvisoryJKLFloyd, Pike3 hr
Aug 1, 7:20 AM EDTAreal Flood AdvisoryJKLFloyd, Magoffin, Pike3 hr
Aug 1, 7:27 AM EDTAreal Flood AdvisoryJKLEstill, Powell3 hr
Aug 1, 7:48 AM EDTFlash Flood WarningJKLFloyd, Knott108 min
Aug 1, 8:07 AM EDTFlood WatchJKLBath, Breathitt, Clay, Elliott, Estill, Fleming and 18 more4 hr
Aug 1, 8:26 AM EDTFlash Flood WarningJKLBreathitt, Floyd, Johnson, Magoffin, Martin, Pike117 min
Aug 1, 8:32 AM EDTAreal Flood AdvisoryJKLBath, Fleming, Menifee, Montgomery, Morgan, Rowan114 min
Aug 1, 9:36 AM EDTAreal Flood WarningJKLFloyd, Knott114 min
Aug 1, 9:49 AM EDTRiver Flood AdvisoryJKLLetcher6 hr
Aug 1, 10:23 AM EDTAreal Flood WarningJKLFloyd, Johnson, Magoffin, Martin, Pike3 hr
Aug 1, 11:13 AM EDTRiver Flood AdvisoryJKLFloyd28 hr
Aug 1, 11:46 AM EDTFlood WatchJKLBath, Bell, Breathitt, Clay, Elliott, Estill and 27 more20 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.