Alert archive / Kentucky / Flash Flood Warnings in 1999

Flash Flood Warning 14, NWS Louisville, KY

January 22, 1999Logan County, Simpson County, Warren County, Kentucky

NWS Louisville, KY issued this flash flood warning at Jan 22, 1999, 10:31 PM CST for Logan County, Simpson County, Warren County, Kentucky. It was in force for 6 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
Jan 22, 1999, 10:31 PM CST (04:31 UTC)
Expired
Jan 23, 1999, 4:30 AM CST
In force
6 hr
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Logan County, KY, Simpson County, KY, Warren County, KY

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 4.5 hours before the alert went out and 375 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, Little Rock, AR at 00:00Z on 1999-01-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 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, Little Rock, AR at 00:00Z on 1999-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -64 square meters per square second.1939587897117136Sfc1 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
12 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
536 m above ground
0-6 km bulk shear
99 kt
0-1 km storm-relative helicity
-64 m²/s²
0-3 km storm-relative helicity
119 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 Louisville, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 22, 6:40 PM CSTFlash Flood WarningLMKBullitt, Jefferson, Oldham5 hr
Jan 22, 6:40 PM CSTFlash Flood WarningLMKAllen5 hr
Jan 22, 6:40 PM CSTFlash Flood WarningLMKTrimble5 hr
Jan 22, 6:40 PM CSTFlash Flood WarningLMKBarren, Hardin, Hart5 hr
Jan 22, 10:31 PM CSTFlash Flood WarningLMKBreckinridge, Butler, Edmonson, Grayson, Ohio6 hr
Jan 22, 10:31 PM CSTFlash Flood WarningLMKMeade6 hr
Jan 22, 10:31 PM CSTFlash Flood WarningLMKHancock6 hr
Jan 22, 11:30 PM CSTFlash Flood WarningLMKBullitt, Hardin, Hart, Jefferson, Larue6 hr
Jan 22, 11:30 PM CSTFlash Flood WarningLMKOldham, Trimble6 hr
Jan 22, 11:30 PM CSTFlash Flood WarningLMKAllen, Barren, Monroe6 hr
Jan 22, 11:30 PM CSTFlash Flood WarningLMKGreen, Metcalfe6 hr
Jan 22, 6:40 PM CSTFlash Flood WarningLMKClark, Jefferson, Scott5 hr
Jan 22, 10:31 PM CSTFlash Flood WarningLMKCrawford, Dubois, Orange, Washington6 hr
Jan 22, 10:31 PM CSTFlash Flood WarningLMKFloyd6 hr
Jan 22, 11:30 PM CSTFlash Flood WarningLMKClark, Jefferson, Scott6 hr

Nearby

Flash Flood Warnings in Kentucky, 1999Every flash flood warning in 1999

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.