Alert archive / Kentucky / Flash Flood Warnings in 1989

Flash Flood Warning 32, NWS Jackson, KY

September 15, 1989Pike County, Kentucky

NWS Jackson, KY issued this flash flood warning at Sep 15, 1989, 10:29 PM EDT for Pike County, Kentucky. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Sep 15, 1989, 10:29 PM EDT (02:29 UTC)
Expired
Sep 16, 1989, 2:30 AM EDT
In force
4 hr
Issued by
NWS Jackson, KY
Area
Whole counties

County Pike County, KY

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Huntington/Tri S, WV (KHTS), launched 00:00Z, 2.5 hours before the alert went out and 101 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 00:00Z on 1989-09-16Temperature 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 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 00:00Z on 1989-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.19395878Sfc1 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
574 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
84 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 16, 1:31 PM EDTSevere Thunderstorm WarningJKLLawrence29 min
Sep 16, 2:10 PM EDTSevere Thunderstorm WarningJKLJohnson, Lawrence65 min
Sep 16, 4:32 PM EDTFlash Flood WarningJKLMason58 min

Nearby

Flash Flood Warnings in Kentucky, 1989Every flash flood warning in 1989

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.