Alert archive / Indiana / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 101, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 16, 1990, 6:49 PM CDT for LaPorte County, Saint Joseph County, Indiana. It was in force for 41 min. 3 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
- Jul 16, 1990, 6:49 PM CDT (23:49 UTC)
- Expired
- Jul 16, 1990, 7:30 PM CDT
- In force
- 41 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties LaPorte County, IN, Saint Joseph 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 |
|---|---|---|---|
| Jul 16, 6:53 PM CDT | Hail 1.5 | St. Joseph, IN | |
| Jul 16, 7:03 PM CDT | Hail 0.75 | La Porte, IN | |
| Jul 16, 7:10 PM CDT | Hail 1 | St. Joseph, 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, 11.8 hours before the alert went out and 270 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
- 22 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 1053 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSBN 162350
SVRSBN
INC091-141-170030-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SOUTH BEND IN
649 PM EST (649 PM CDT) MON JUL 16 1990
THE NATIONAL WEATHER SERVICE IN SOUTH BEND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM EST (730 PM CDT)
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTH CENTRAL INDIANA
...EASTERN LAPORTE...ST JOSEPH
AT 645 PM EST...GOLF BALL SIZE HAIL WAS REPORTED ON THE NORTH SIDE OF
SOUTH BEND.
THIS STORM WAS MOVING SLOWLY TO THE EAST AT 15 MPH.
TOWNS IN THE PATH OF THIS STORM INCLUDE SOUTH BEND...MISHAWAKA AND
LAPORTE.
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.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.