Alert archive / Indiana / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 101, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 9, 1989, 2:20 AM EST for Elkhart County, Saint Joseph 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
- Jul 9, 1989, 2:20 AM EST (07:20 UTC)
- Expired
- Jul 9, 1989, 3:00 AM EST
- In force
- 40 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Elkhart 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 9, 2:35 AM EST | Hail 0.75 | St. Joseph, IN | |
| Jul 9, 2:45 AM EST | Thunderstorm Wind 0 | Elkhart, 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 00:00Z, 7.3 hours before the alert went out and 247 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
- 843 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1696 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KIND 090721
SVRSBN
INC039-141-090800-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SOUTH BEND IN
220 AM EST SUN JUL 9 1989
THE NATIONAL WEATHER SERVICE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 300 AM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTH CENTRAL INDIANA
...ELKHART...EASTERN ST. JOSEPH
AT 210 AM EST...WEATHER RADAR SHOWED A SEVERE THUNDERSTORM OVER
MISHAWAKA INDIANA.
MOVEMENT WAS EAST AT 20 MILES AN HOUR.
PEOPLE IN THE CITY OF ELKHART ARE IN THE PATH OF THIS STORM.
STEIGERWALDT
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
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.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, Jul 9, 1:06 AM EST, 1 hour 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 103 AM EST SUN JUL 9 1989 IN INDIANA SEVERE THUNDERSTORM WATCH NUMBER 588 IS IN EFFECT UNTIL 7 AM EST AND INCLUDES THAT PART OF INDIANA... NORTH OF A LINE FROM 5 MILES SOUTH OF KENTLAND TO 10 MILES NORTHEAST OF KOKOMO...AND WEST OF A LINE FROM 10 MILES NORTHEAST OF KOKOMO TO 5 MILES WEST OF ELKHART. SOME CITIES INCLUDED ARE... RENSSELAER...SOUTH BEND...PLYMOUTH... MONTICELLO...LOGANSPORT AND PERU. REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATfER STATEMENTS AND POSSIBLE WARNINGS. STEIGERWALDT
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 3:09 AM EST | Severe Thunderstorm Warning | IND | Saint Joseph | 36 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 1989Every severe thunderstorm warning in 1989
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.