Alert archive / Indiana / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 13, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 17, 1989, 9:25 PM EST for Elkhart County, Indiana; Cass County, Michigan. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- Mar 17, 1989, 9:25 PM EST (02:25 UTC)
- Expired
- Mar 17, 1989, 10:00 PM EST
- In force
- 35 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Elkhart County, IN, Cass County, MI
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
Detroit, MI (KFNT), launched 00:00Z, 2.4 hours before the alert went out and 232 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 604 m above ground
- 0-6 km bulk shear
- 89 kt
- 0-1 km storm-relative helicity
- 331 m²/s²
- 0-3 km storm-relative helicity
- 946 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 180225
SVRSBN
INC039-MIC027-180300-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SOUTH BEND IN
925 PM EST FRI MAR 17 1989
THE NATIONAL WEATHER SERVICE IN SOUTH BEND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTH CENTRAL INDIANA
...NORTHWESTERN ELKHART
IN SOUTHWEST MICHIGAN
...SOUTHERN CASS
AT 920 PM EST...A SEVERE THUNDERSTORM PRODUCING GOLF BALL SIZE HAIL
HAD JUST PAST THE MICHIANA REGIONAL AIRPORT IN SOUTH BEND. THE HAIL
WAS REPORTED TO HAVE COVERED THE GROUND IN SOME AREAS. ALSO SOME POWER
OUTAGES RESULTED FROM THE LARGE HAIL.
THE STORM IS MOVING VERY RAPIDLY NORTHEAST AT 60 MPH. SOME TOWNS IN
THE PATH OF THIS STORM ARE ELKHART INDIANA AS WELL AS ADAMSVILLE
AND UNION MICHIGAN.
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
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.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, Mar 17, 8:05 PM EST, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 805 PM EST FRI MAR 17 1989 A TORNADO WATCH IS IN EFFECT OVER MOST OF NORTH AND CENTRAL INDIANA UNTIL 100 AM. AT 800 PM...SHOWERS AND A FEW THUNDERSTORMS WERE MOVING INTO NORTHWEST INDIANA ABOUT 30 MILES NORTHWEST OF LAFAYETTE. THE PRECIPITATION WAS MOVING NORTHEAST AT 50 MPH. AN AREA OF STRONGER STORMS WAS OVER EAST CENTRAL ILLINOIS AND WILL BE MOVING INTO NORTHWEST INDIANA NORTH OF INTERSTATE 74 BETWEEN 800 AND 900 PM. A TORNADO WATCH MEANS CONDITIONS ARE FAVORALBE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. DS
Special weather statement, Mar 17, 8:39 PM EST, 46 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 840 PM EST FRI MAR 17 1989 A TORNADO WATCH IS IN EFFECT OVER MOST OF NORTH AND CENTRAL INDIANA UNTIL 100 AM. AT 830 PM...INTENSE THUNDERSTORMS WERE OVER NORTHWEST INDIANA 30 MILES WEST OF LAFAYETTE...AMATEUR RADIO REPORTED 50 MPH WINDS NEAR FOWLER. THIS STORM WILL BE MOVING NEAR OXFORD BEFORE 900 PM. PEOPLE IN OXFORD SHOULD REMAIN INSIDE. A TORNADO WATCH MEANS COdNDITIONS ARE FAVORALBE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. DS
Special weather statement, Mar 17, 9:01 PM EST, 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
900 PM EST FRI MAR 17 1989
A TORNADO WATCH IS IN EFFECT OVER MOST OF NORTH AND CENTRAL INDIANA
UNTIL 100 AM.
AT 855 PM...INTENSE THUNDERSTORMS WERE OVER NORTHWEST INDIANA FROM 25
MILES NORTH OF LAFAYETTE TO 30 MILES SOUTHWEST OF LAFAYETTE...OR
FROM AROUND MONON THROUGH WEST LAFAYETTE TO WAYNETOWN. WINDS OF UP TO
50 MILES PER HOUR HAVE OCCURRED IN THESE STORMS.
THE ST{ORMS WILL BE MOVING THROUGH MONTICELLO...LAFAYETTE AND LINDEN
BY 930 PM. STAY INSIDE IF YOU LIVE IN THOSE AREAS.
DSThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 8:36 PM EST | Severe Thunderstorm Warning | IND | LaPorte | 54 min |
| Mar 17, 8:52 PM EST | Severe Thunderstorm Warning | IND | Saint Joseph | 38 min |
| Mar 17, 9:19 PM EST | Severe Thunderstorm Warning | IND | Carroll, Clinton | 26 min |
| Mar 17, 9:28 PM EST | Severe Thunderstorm Warning | IND | Howard, Tipton | 32 min |
| Mar 17, 11:16 PM EST | Severe Thunderstorm Warning | IND | Warren | 29 min |
| Mar 17, 11:47 PM EST | Severe Thunderstorm Warning | IND | Tippecanoe | 28 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 1989Severe Thunderstorm Warnings in Michigan, 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; the sounding from the Mesonet's radiosonde archive.