Alert archive / Indiana / Tornado Warnings in 1991
Tornado Warning 11, NWS Indianapolis, IN
NWS Indianapolis, IN issued this tornado warning at May 31, 1991, 5:16 PM EST for Saint Joseph County, Indiana. It was in force for 29 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
- May 31, 1991, 5:16 PM EST (22:16 UTC)
- Expired
- May 31, 1991, 5:45 PM EST
- In force
- 29 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Saint Joseph County, IN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 31, 5:30 PM EST | Tornado F0 | 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, 10.3 hours before the alert went out and 260 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
- 281 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 665 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSBN 312224 COR
TORSBN
INC141-312245-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SOUTH BEND IN
516 PM EST FRI MAY 31 1991
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 545 PM EST FOR PEOPLE IN THE FOLLOWING COUNTY
IN THE NORTH CENTRAL PART OF INDIANA
ST JOSEPH IN
AT 510 PM EST...THE WEATHER SERVICE HAS SPOTTED A FUNNEL CLOUD
4 MILES SOUTHEAST OF THE AIRPORT.
MOVEMENT WAS NORTHEAST 25 MILES AN HOUR. TOWNS IN THE PATH OF THIS STORM
ARE SOUTH BEND AND MISHAWAKA.
IF YOU ARE IN THE PATH OF THIS TORNADO...YOU SHOULD GO TO A BASEMENT
SHELTER OR IN MOST BUILDINGS WITHOUT A BASEMENT THE SAFEST PLACE IS
IN A SMALL ROOM IN THE CENTER OF THE BUILDING ON THE LOWEST FLOOR.
THIS IS A DANGEROUS STORM. TAKE COVER IMMEDIATELY.
REPORT SEVERE WEATHER TO YOUR NEAREST LAW ENFORCEMENT AGENCY AND ASK
THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.
CORRECTION FOR DIRECTION OF MOVEMENT
WHEELERWhat forecasters said that day
The local office's own words before this tornado 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, May 31, 3:30 PM EST, 1 hour 46 minutes before
INZALL-010300- AREAL OUTLINE FOR SEVERE THUNDERSTORM WATCH NUMBER 449 NATIONAL WEATHER SERVICE INDIANAPOLIS IN 330 PM EST FRI MAY 31 1991 IN INDIANA SEVERE THUNDERSTORM WATCH NUMBER 449 IS IN EFFECT UNTIL 1000 PM EST AND INCLUDES THAT PART OF INDIANA... NORTH OF A LINE FROM 10 MILES NORTHWEST OF VALPARAISO IN PORTER COUNTY TO ANGOLA IN STEUBEN COUNTY. SOME CITIES INCLUDED ARE... SOUTH BEND...LAGRANGE...LA PORTE AND GOSHEN. 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 LATER STATEMENTS AND POSSIBLE WARNINGS.
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 4:16 PM EST | Severe Thunderstorm Warning | IND | LaPorte | 44 min |
| May 31, 5:59 PM EST | Severe Thunderstorm Warning | IND | LaPorte | 31 min |
| May 31, 6:40 PM EST | Severe Thunderstorm Warning | IND | LaPorte, Starke | 50 min |
| May 31, 6:42 PM EST | Flash Flood Warning | IND | Saint Joseph | 2 hr |
Nearby
Tornado Warnings in Indiana, 1991Every tornado warning in 1991Tornadoes in 1991
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.