Alert archive / Illinois / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 59, NWS Indianapolis, IN

June 6, 1990Gallatin County, Illinois; Union County, Kentucky

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 6, 1990, 1:42 PM CDT for Gallatin County, Illinois; Union County, Kentucky. It was in force for 63 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 6, 1990, 1:42 PM CDT (18:42 UTC)
Expired: Jun 6, 1990, 2:45 PM CDT
In force: 63 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

Counties Gallatin County, IL, Union County, KY

The radar

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

What was reported inside it

Time	Report	Where	Remark
Jun 6, 2:00 PM CDT	Thunderstorm Wind 0	Union, KY

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 6.7 hours before the alert went out and 89 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: 154 J/kg
Mixed-layer CIN: -506 J/kg
Mixed-layer LCL: 1005 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 60 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 061843
SVREVV
ILC059-KYC101-225-061945-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EVANSVILLE IN
142 PM CDT WED JUN 6 1990
 
THE NATIONAL WEATHER SERVICE IN EVANSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  245 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHEAST ILLINOIS
          ...GALLATIN
IN NORTHWEST KENTUCKY
          ...HENDERSON...UNION
 
AT 140 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM OVER JUNCTION
ILLINOIS AROUND 35 MILES SOUTHWEST OF EVANSVILLE. THIS THUNDERSTORM
WAS MOVING EAST AT 35 MILES AN HOUR AND WILL MOVE ACROSS RIDGEWAY
ILLINOIS...UNIONTOWN KENTUCKY...AND CORYDON KENTUCKY BY 230 PM CDT.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 58
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
SUMMY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 6, 1:42 PM CDT	Severe Thunderstorm Warning	IND	Henderson	63 min
Jun 6, 2:14 PM CDT	Tornado Warning	IND	Daviess	46 min
Jun 6, 2:29 PM CDT	Tornado Warning	IND	Hancock	46 min
Jun 6, 3:31 PM CDT	Severe Thunderstorm Warning	IND	Grayson	44 min
Jun 6, 4:13 PM CDT	Tornado Warning	IND	Logan, Todd	32 min
Jun 6, 4:49 PM CDT	Tornado Warning	IND	Logan, Simpson	26 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1990 Severe Thunderstorm Warnings in Kentucky, 1990 Every severe thunderstorm warning in 1990

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.