Alert archive / Indiana / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 41, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Sep 7, 1990, 4:35 PM EDT for Clark County, Scott County, Washington County, Indiana. It was in force for 40 min. 2 reports 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
- Sep 7, 1990, 4:35 PM EDT (20:35 UTC)
- Expired
- Sep 7, 1990, 5:15 PM EDT
- In force
- 40 min
- Issued by
- NWS Louisville, KY
- Area
- Whole counties
Counties Clark County, IN, Scott 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 7, 4:45 PM EDT | Hail 1.75 | Washington, IN | |
| Sep 7, 5:14 PM EDT | Hail 2.5 | Clark, IN |
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
Dayton/James M C, OH (KDAY), launched 12:00Z, 8.6 hours before the alert went out and 204 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.
- Mixed-layer CAPE
- 1234 J/kg
- Mixed-layer CIN
- -131 J/kg
- Mixed-layer LCL
- 1461 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 209 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSDF 072039 COR
SVRSDF
INC019-143-175-072115-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED RADAR TIME FOR 430 PM EDT
NATIONAL WEATHER SERVICE LOUISVILLE KY
435 PM EDT FRI SEP 7 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 515 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE EXTREME SOUTH PART OF INDIANA
NORTHERN CLARK...SCOTT...EASTERN WASHINGTON
AT 430 PM EDT RADAR INDICATED A SEVERE THUNDERSTORM 30 MILES
NORTHWEST OF LOUISVILLE JUST NORTH OF SALEM INDIANA IN
WASHINGTON COUNTY. THIS STORM IS LIKELY PRODUCING LARGE HAIL
AND DAMAGING WIND.
WHEN THUNDERSTORMS OCCUR...MOVE INSIDE A STRONG BUILDING. GO TO THE
INTERIOR SECTION...OR PREFERABLY A BASEMENT OR LOWEST LEVEL IF
POSSIBLE. DO NOT STAND NEAR WINDOWS. DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE TO
SHELTER...PREFERABLY INSIDE A STRONG BUILDING. ONCE INSIDE...STAY
AWAY FROM WINDOWS.
TUCEKWhat 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, Sep 7, 1:18 PM EDT, 3 hours 17 minutes before
INZ15-KYZ04-071900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 115 PM EDT FRI SEP 7 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 6 PM EDT... A COLD FRONT DROPPING SOUTH ACROSS THE SOUTHERN GREAT LAKES REGION IS PRODUCING STRONG THUNDERSTORMS OVER CENTRAL INDIANA AND OHIO. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE AREA INCLUDING SOUTHERN INDIANA AND NORTHERN KENTUCKY. THE STORMS ARE MOVING SOUTHEAST AROUND 25 MPH AND WILL MOVE INTO SOUTHERN INDIANA AND NORTHERN KENTUCKY LATER THIS AFTERNOON. AMMERMAN
Special weather statement, Sep 7, 3:02 PM EDT, 1 hour 33 minutes before
KYZ007-072100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LEXINGTON KY 3 PM EDT FRI SEP 7 1990 ...SEVERE THUNDERSTORM WATCH FOR PARTS OF EAST CENTRAL KENTUCKY... A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PARTS OF EAST CENTRAL KENTUCKY UNTIL 6 PM THIS EVENING. AT 3 PM...SKIES WERE PARTLY TO MOSTLY SUNNY AS TEMPERATURES HAD RISEN INTO THE LOWER 90S. PARTLY TO MOSTLY SUNNY SKIES WILL CONTINUE OVER THE CENTRAL BLUEGRASS THIS AFTERNO ON THROUGH 5 PM. TEMPERATURES WILL BE RISING A DEGREE OR TWO MORE. ALTHOUGH THERE ARE NO SHOWERS OR THUNDERSTORMS IN KENTUCKY THIS AFTERNOON...DEVELOPMENT COULD BE STRONG AND RAPID. ULLOM
Special weather statement, Sep 7, 3:10 PM EDT, 1 hour 25 minutes before
INZ15-KYZ04-071900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 315 PM EDT FRI SEP 7 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 6 PM EDT... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHERN INDIANA AND NORTHERN KENTUCKY UNTIL 6 PM EDT. AT 3 PM...THE STORMS WERE BETWEEN BLOOMINGTON AND INDIANAPOLIS INDIANA. THESE STORMS WERE MOVING SOUTHEAST AROUND 20 MPH AND WILL NOT MOVE INTO KENTUCKY UNTIL AROUND 5 PM. HAZY SUNSHINE COVERED KENTUCKY WITH TEMPERATURES IN THE MID AND UPPER 90. HEAT INDICES RANGED FROM 100 TO 105 DEGREES. AMMERMAN
Special weather statement, Sep 7, 3:32 PM EDT, 1 hour 3 minutes before
INZ15-KYZ04-072030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 330 PM EDT FRI SEP 7 1990 ...STIFFLING HEAT SEERS KENTUCKY AGAIN... SHORTLY AFTER 3PM EDT THE THERMOMETER AT STANDIFORD FIELD REGISTERED 99 DEGREES. THIS TIES THE 99 DEGREES RECORDED ON JULY THE 9 AND 10 FOR THE HOTTEST TEMPERATURE THIS SUMMER. THE RECORD HIGH TEMPERATURE FOR THIS DATE IS 101 DEGREES SET IN 1899. AS THE TEMPERATURE HIT THE 99 DEGREE MARK THE+ RELATIVE HUMIDITY REGISTERED 37 PERCENT. THIS COMBINATION PRODUCED A HEAT INDEX OF 107 DEGREES. KLEIN
Special weather statement, Sep 7, 4:14 PM EDT, 21 minutes before
KYZ007-072115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LEXINGTON KY 410 PM EDT FRI SEP 7 1990 ...SEVERE THUNDERSTORM WATCH UNTIL 1100 PM EDT... AT 405 PM EDT...THUNDERSTORMS WERE DEVELOPING ACROSS CENTRAL GARRARD COUNTY OF EAST CENTRAL KENTUCKY. THE STRONGEST STORMS WERE LOCATED 5 MILES NORTH OF LANCASTER OR 24 MILES SOUTH OF LEXINGTON. THESE THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MPH AND WILL MOVE INTO SOUTHERN MADISON COUNTY BUY 430 PM EDT. HEAVY RAIN...STRONG WINDS...HAIL AND DEADLY LIGHTNING STRIKES ARE POSSIBLE ACROSS MOST OF EAST CENTRAL KENTUCKY THROUGH 11 PM EDT. GO TO SAFE INDOOR SHELTER WHEN THUNDERSTORMS APPROACH. WHITE
Special weather statement, Sep 7, 4:22 PM EDT, 13 minutes before
KYZ004-009-INZ013-015-072115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 420 PM EDT FRIDAY SEP 7 1990 ...STRONG STORMS DEVELOPING RAPIDLY IN KENTUCKY AND SOUTHERN INDIANA... AT 400 PM EDT...RADAR INDICATED STRONG THUNDERSTORMS DEVELOPING IN SOUTH INDIANA AND CENTRAL KENTUCKY. THE STRONGEST STORMS WERE IN A LINE FROM BOWLING GREEN NORTHEAST TO 20 MILES SOUTH OF LEXINGTON. OTHER STRONG STORMS WERE 25 MILES NORTHWEST OF BOWLING GREEN AND 25 MILES NORTHWEST OF LOUISVILLE NEAR SALEM INDIANA. ALL THE STORMS WERE MOVING EAST AROUND 30 MILES AN HOUR AND ARE LIKELY PRODUCING SMALL HAIL AND VERY HEAVY RAIN. BASED ON THERE EXPLOSIVE DEVELOPMENT...THEY ALSO MAY PRODUCE DAMAGING WINDS AND HAIL. IF A STORM APPROACHES YOUR AREA SEEK IMMEDIATE SHELTER IN A NEARBY REINFORCED BUILDING. < A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT FOR MUCH OF KENTUCKY AND SOUTHERN INDIANA UNTIL 11 PM EDT. IF YOU RECEIVE ANY SEVERE _WEATHER...REPORT IT TO YOUR NEAREST LAW ENFORCEMENT AGENCY. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST INFORMATION AND POSSIBLE WARNINGS. TUCEK
The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 4:57 PM EDT | Tornado Warning | LMK | Clark, Scott, Washington | 48 min |
| Sep 7, 5:20 PM EDT | Tornado Warning | LMK | Clark | 40 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.