Alert archive / Kentucky / Flash Flood Warnings in 1999

Flash Flood Warning 13, NWS Louisville, KY

January 22, 19995 counties in Kentucky

NWS Louisville, KY issued this flash flood warning at Jan 22, 1999, 10:31 PM CST for 5 counties in 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 Breckinridge County, KY, Butler County, KY, Edmonson County, KY, Grayson County, KY, Ohio County, KY

The radar

The Louisville radar (KLVX), 79 km from the middle of the area, began a volume at 04:35 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.5 hours before the alert went out and 325 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, Cncnati-Daytn, OH at 00:00Z on 1999-01-23Temperature 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, Cncnati-Daytn, OH at 00:00Z on 1999-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 292 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
2246 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
292 m²/s²
0-3 km storm-relative helicity
553 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 WarningLMKLogan, Simpson, Warren6 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

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; radar from the NEXRAD Level II archive.