Alert archive / Indiana / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 104, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 20, 1990, 3:40 PM EST for Shelby County, Indiana. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- Jul 20, 1990, 3:40 PM EST (20:40 UTC)
- Expired
- Jul 20, 1990, 4:15 PM EST
- In force
- 35 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Shelby 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
Dayton/James M C, OH (KDAY), launched 12:00Z, 8.7 hours before the alert went out and 142 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
- 847 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 840 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KIND 202043
SVRIND
INC145-202115-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
340 PM EST FRI JUL 20 1990
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 415 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN CENTRAL INDIANA
...EASTERN SHELBY
RADAR INDICATED A SEVERE THUNDERSTORM NEAR SHELBYVILLE WHICH IS 25
MILES SOUTHEAST OF INDIANAPOLIS AT 339 PM EST.
THIS STORM COULD PRODUCE LARGE HAIL AND DAMAGING WINDS. THE STORM WAS
MOVING EAST AT 40 MPH. PEOPLE IN SHELBYVILLE AND ST. PAUL SHOULD SEEK
SHELTER INDOORS AWAY FROM WINDOWS.
ALLSOPPWhat 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, Jul 20, 2:25 PM EST, 1 hour 15 minutes before
INZ009>013-202015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 225 PM EST FRI JUL 20 1990 THUNDERSTORMS WERE PRODUCING DAMAGING WINDS IN CENTRAL INDIANA THIS AFTERNOON. AT 215 PM EST INDIANA STATE POLICE RELAYED A REPORT OF TREE LIMBS BLOWN DOWN AND WINDOWS BROKEN IN A HOME IN MOORELAND IN HENRY COUNTY. MOORELAND IS 15 MILES SOUTHEAST OF MUNCIE. LAWRENCE FIRE DEPARTMENT ON THE NORTHEAST SIDE OF INDIANAPOLIS ALSO REPORTED TREE LIMBS DOWN AND ROOF DAMAGE DUE TO STRONG THUNDERSTORM WINDS. RADAR SHOWED AN AREA OF STRONG THUNDERSTORMS FROM THE EAST SIDE OF INDIANAPOLIS TO GREENFIELD TO 10 MILES NORTHWEST OF RICHMOND. THE STORMS WERE MOVING EAST SOUTHEAST AT 40 MPH. PEOPLE IN KNIGHTSTOWN...RUSHVILLE AND RICHMOND SHOULD BE PREPARED FOR THUNDERSTORMS WITH BRIEF HEAVY DOWNPOURS...LOTS OF LIGHTNING AND STRONG GUSTY WINDS BETWEEN 225 PM AND 315 PM EST. ALLSOPP
Special weather statement, Jul 20, 2:50 PM EST, 50 minutes before
INZ009>013-202030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 245 PM EST FRI JUL 20 1990 STRONG THUNDERSTORMS WERE OVER CENTRAL INDIANA THIS AFTERNOON. AT 240 PM EST RADAR SHOWED THUNDERSTORMS FROM THE SOUTHEAST SIDE OF INDIANAPOLIS TO NEAR RUSHVILLE TO RICHMOND. THUNDERSTORMS PRODUCED MARBLE SIZE HAIL AND 40 TO 50 MPH WINDS SOUTH OF WINCHESTER...NORTH OF RICHMOND AT 235 PM EST. PEOPLE IN SHELBYVILLE...RUSHVILLE AND CONNERSVILLE SHOULD BE PREPARED FOR THUNDERSTORMS WITH BRIEF HEAVY DOWNPOURS...LOTS OF LIGHTNING AND GUSTY WINDS AS THEY MOVE EAST SOUTHEAST BETWEEN 245 PM AND 330 PM EST. OTHER STRONG THUNDERSTORMS WERE IN SOUTHERN INDIANA FROM JASPER TO FRENCH LI6CK TO SALEM TO NEAR VERSAILLES. THE STRONGEST STORM WAS NEAR AUSTIN AND DEPUTY. THIS STORM COULD PRODUCE HAIL AND GUSTY WINDS AS IT MOVES EAST SOUTHEAST 40 MPH TO SCOTTSBURG AND MADISON. ALLSOPP
Special weather statement, Jul 20, 3:11 PM EST, 29 minutes before
INZ009>013-202100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 310 PM EST FRI JUL 20 1990 STRONG THUNDERSTORMS WERE DEVELOPING IN A NARROW LINE OVER EAST CENTRAL AND SOUTH CENTRAL INDIANA. AT 305 PM EST RADAR SHOWED THUNDERSTORMS FROM 5 MILES SOUTH OF RICHMOND TO RUSHVILLE TO SHELBYVILLE TO BLOOMINGTON TO LINTON. THE STRONGEST STORMS WERE 5 MILES SOUTH AND 10 MILES SOUTHEAST OF BLOOMINGOTN AND FROM SHELBYVILLE TO RUSHVILLE. SOME OF THESE STORMS WILL PRODUCE VERY HEAVY RAIN...SMALL HAIL AND GUSTY WINDS WHICH COULD SNAP TREE LIMBS AND KNOCK OUT POWER. THE STORMS WERE MOVING EAST AT 40 MPH. PEOPLE IN NEWBERRY...CRANE NAVAL WEAPONS AREA...BEDFORD...COLUMBUS AND SEY`MOUR SHOULD STAY INDOORS BETWEEN 305 AND 400 PM EST WHILE THE STORMS PASS THROUGH. REPORT SEVERE WEATHER TO LAW ENFORCEMENT FOR RELAY TO THE NATIONAL WEATHER SERVICE. ALLSOPP
Special weather statement, Jul 20, 3:34 PM EST, 6 minutes before
INZ009>013-202130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 335 PM EST FRI JUL 20 1990 RADAR SHOWED A VERY STRONG THUNDERSTORM 10 MILES NORTHWEST OF SHELBYVILLE NEAR FAIRLAND AT 330 PM EST. ANOTHER STRONG STORM WAS 5 MILES SOUTH OF RUSHVILLE. THESE STORMS HAVE THE POTENTIAL OF PRODUCING TORRENTIAL RAIN... HAIL...AND STRONG GUSTY WINDS WHICH COULD BLOW AWAY LOOOSE OBJECTS AND SNAP SOME TREE LIMBS. THE STORMS WERE MOVING EAST AT 40 MPH. THE SHELBY COUNTY STORM WILL PASS THROUGH SHELBYVILLE AND ST PAUL BETWEEN 325 AND 400 PM WHILE THE RUSH COUNTY STORM MOVES THROUGH ANDERSONVILLE...LAUREL AND CONNERSVILLE. REPORT SEVERE WEATHER TO LAW ENFORCEMENT FOR RELAY TO xTHE NATIONAL WEATHER SERVICE. ALLSOPP
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.