Alert archive / Indiana / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 11, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 17, 1989, 8:52 PM EST for Saint Joseph County, Indiana. It was in force for 38 min. 1 report 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
- Mar 17, 1989, 8:52 PM EST (01:52 UTC)
- Expired
- Mar 17, 1989, 9:30 PM EST
- In force
- 38 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County 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 |
|---|---|---|---|
| Mar 17, 9:12 PM EST | Hail 1.5 | 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
Detroit, MI (KFNT), launched 00:00Z, 1.9 hours before the alert went out and 266 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, 47 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, 13 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
The 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, 9:19 PM EST | Severe Thunderstorm Warning | IND | Carroll, Clinton | 26 min |
| Mar 17, 9:25 PM EST | Severe Thunderstorm Warning | IND | Elkhart | 35 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, 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.