Alert archive / Kentucky / Flash Flood Warnings in 1991

Flash Flood Warning 2, NWS Indianapolis, IN

March 22, 1991Union County, Kentucky

NWS Indianapolis, IN issued this flash flood warning at Mar 22, 1991, 11:47 AM CST for Union County, Kentucky. It was in force for 28 min.

The area

The counties it named.

The facts

Issued: Mar 22, 1991, 11:47 AM CST (17:47 UTC)
Expired: Mar 22, 1991, 12:15 PM CST
In force: 28 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

County Union County, KY

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 5.8 hours before the alert went out and 93 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2208 m above ground
0-6 km bulk shear: 80 kt
0-1 km storm-relative helicity: 233 m²/s²
0-3 km storm-relative helicity: 279 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KEVV 221748
FFWEVV
KYC101-225-221845-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EVANSVILLE IN
1147 AM CST FRI MAR 22 1991
 
THE NATIONAL WEATHER SERVICE IN E

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 21, 9:31 PM CST	Severe Thunderstorm Warning	IND	Union	29 min
Mar 22, 1:11 AM CST	Severe Thunderstorm Warning	IND	Grayson, Ohio	34 min
Mar 22, 3:26 AM CST	Severe Thunderstorm Warning	IND	Allen, Barren	34 min
Mar 22, 10:14 AM CST	Severe Thunderstorm Warning	IND	Christian	31 min
Mar 22, 10:37 AM CST	Severe Thunderstorm Warning	IND	Muhlenberg, Todd	33 min
Mar 22, 11:16 AM CST	Severe Thunderstorm Warning	IND	Union	29 min
Mar 22, 11:47 AM CST	Flash Flood Warning	IND	Henderson	58 min
Mar 22, 11:47 AM CST	Severe Thunderstorm Warning	IND	Henderson, Union	58 min
Mar 22, 12:47 PM CST	Flash Flood Warning	IND	Henderson, Union	118 min
Mar 22, 4:54 PM CST	Flash Flood Warning	IND	Daviess, McLean	2 hr

Nearby

Flash Flood Warnings in Kentucky, 1991 Every 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.