Alert archive / Indiana / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 23, NWS Louisville, KY

June 7, 1990Orange County, Washington County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Jun 7, 1990, 4:09 AM EST for Orange County, Washington County, Indiana. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Jun 7, 1990, 4:09 AM EST (09:09 UTC)
Expired
Jun 7, 1990, 5:00 AM EST
In force
51 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Orange County, IN, Washington County, IN

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

Paducah/Barkley, KY (KPAH), launched 00:00Z, 9.2 hours before the alert went out and 269 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, Paducah/Barkley, KY at 00:00Z on 1990-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1297 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, Paducah/Barkley, KY at 00:00Z on 1990-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 263 square meters per square second.193958Sfc1 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
1297 J/kg
Mixed-layer CIN
-256 J/kg
Mixed-layer LCL
1044 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
263 m²/s²
0-3 km storm-relative helicity
413 m²/s²
Significant tornado parameter
0.0
Supercell composite
10.4

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 7, 3:40 AM EST, 29 minutes before
KYZ007-071030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LEXINGTON KY
440 AM EDT THU JUN 7 1990

...STRONG THUNDERSTORMS MOVING THROUGH EAST CENTRAL KENTUCKY...

A LINE OF SHOWERS AND THUNDERSTORMS WAS MOVING RAPIDLY SOUTHEAST THROUGH
EAST CENTRAL KENTUCKY THIS MORNING AT 430 AM. THE LEADING EDGE OF THIS
LINE WAS GENERALLY FROM PORTSMOUTH OHIO THROUGH FLEMINGSBURG AND
WINCHESTER THEN SOUTHWEST TO DANVILLE. THE STRONGEST THUNDERSTORMS WERE
OVER FLEMING COUNTY NEAR FLEMINGSBURG...45 MILES NORTHEAST OF LEXINGTON
...AND OVER SOUTHERN BOURBON COUNTY...24 MILES NORTHEAST OF LEXINGTON.

THESE THUNDERSTORMS THIS MORNING WERE PRODUCING BRIEF PERIODS OF VERY
HEAVY RAIN...FREQUENT AND DANGEROUS LIGHTNING AND STRONG GUSTY WINDS.
SMALL HAIL MAY ALSO BE PRODUCED BY THESE THUNDERSTORMS.

WITH THE HEAVY AND SUDDEN DOWNPOURS PRODUCED BY SOME OF THE STRONGER
STORMS THIS MORNING...YOU SHOULD BE VERY CAUTIOUS OF PONDING AND STANDING
WATER ON AREA ROADS. POORLY DRAINING DITCHES AND SEWAGE SYSTEMS MAY ALSO
CAUSE MINOR FLOODING OF AREA ROADS.
ULLOM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 4:01 AM ESTSevere Thunderstorm WarningLMKAdair, Casey, Taylor44 min
Jun 7, 4:43 AM ESTSevere Thunderstorm WarningLMKBullitt, Jefferson47 min
Jun 7, 5:56 AM ESTSevere Thunderstorm WarningLMKJefferson49 min
Jun 7, 6:18 AM ESTFlash Flood WarningLMKJefferson3 hr
Jun 7, 6:52 AM ESTFlash Flood WarningLMKOldham3 hr
Jun 7, 7:39 AM ESTTornado WarningLMKJefferson51 min
Jun 7, 7:59 AM ESTTornado WarningLMKOldham, Shelby46 min
Jun 7, 7:59 AM ESTTornado WarningLMKBullitt, Spencer46 min
Jun 7, 4:25 AM ESTSevere Thunderstorm WarningLMKFloyd, Harrison35 min
Jun 7, 5:01 AM ESTFlash Flood WarningLMKCrawford, Harrison, Orange, Washington3 hr
Jun 7, 5:31 AM ESTSevere Thunderstorm WarningLMKCrawford, Harrison44 min
Jun 7, 7:27 AM ESTTornado WarningLMKHarrison48 min
Jun 7, 7:53 AM ESTTornado WarningLMKClark52 min
Jun 7, 8:01 AM ESTFlash Flood WarningLMKCrawford, Harrison, Orange, Washington3 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 1990Every 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; the sounding from the Mesonet's radiosonde archive.