Alert archive / Kentucky / Flash Flood Warnings in 1991

Flash Flood Warning 30, NWS Jackson, KY

December 2, 19914 counties in Kentucky

NWS Jackson, KY issued this flash flood warning at Dec 2, 1991, 5:49 PM EST for 4 counties in Kentucky. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Dec 2, 1991, 5:49 PM EST (22:49 UTC)
Expired
Dec 2, 1991, 8:00 PM EST
In force
2 hr
Issued by
NWS Jackson, KY
Area
Whole counties

Counties Bell County, KY, Clay County, KY, Knox County, KY, Leslie County, KY

The nearest sounding before it

Huntington/Tri S, WV (KHTS), launched 12:00Z, 10.8 hours before the alert went out and 186 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, Huntington/Tri S, WV at 12:00Z on 1991-12-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Huntington/Tri S, WV at 12:00Z on 1991-12-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
534 m above ground
0-6 km bulk shear
83 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
205 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Dec 2, 12:12 PM EST, 5 hours 37 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 2, 12:28 PM ESTFlash Flood WarningJKLBreathitt6 hr
Dec 2, 1:26 PM ESTFlash Flood WarningJKLLetcher5 hr
Dec 2, 1:26 PM ESTFlash Flood WarningJKLHarlan5 hr
Dec 2, 1:42 PM ESTFlash Flood WarningJKLFloyd4 hr
Dec 2, 2:46 PM ESTFlash Flood WarningJKLLeslie, Perry3 hr
Dec 2, 2:46 PM ESTFlash Flood WarningJKLKnox3 hr
Dec 2, 2:46 PM ESTFlash Flood WarningJKLKnott3 hr
Dec 2, 3:29 PM ESTFlash Flood WarningJKLMagoffin3 hr
Dec 2, 3:29 PM ESTFlash Flood WarningJKLClay3 hr
Dec 2, 3:36 PM ESTFlash Flood WarningJKLJohnson, Martin6 hr
Dec 2, 3:40 PM ESTFlash Flood WarningJKLPike2 hr
Dec 2, 5:42 PM ESTFlash Flood WarningJKLFloyd, Knott, Magoffin, Pike4 hr
Dec 2, 5:42 PM ESTFlash Flood WarningJKLBreathitt, Perry4 hr
Dec 2, 5:49 PM ESTFlash Flood WarningJKLHarlan, Letcher2 hr

Nearby

Flash Flood Warnings in Kentucky, 1991Every flash flood warning in 1991

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.