Alert archive / Michigan / Tornado Warnings in 1991

Tornado Warning 10, NWS Indianapolis, IN

May 26, 1991Berrien County, Michigan

NWS Indianapolis, IN issued this tornado warning at May 26, 1991, 7:59 PM EDT for Berrien County, Michigan. It was in force for 31 min.

The area

The counties it named.

The facts

Issued
May 26, 1991, 7:59 PM EDT (23:59 UTC)
Expired
May 26, 1991, 8:30 PM EDT
In force
31 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Berrien County, MI

The nearest sounding before it

Detroit, MI (KFNT), launched 12:00Z, 12.0 hours before the alert went out and 262 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.

Skew-T log-pSkew-T log-p diagram, Detroit, MI at 12:00Z on 1991-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 238 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 1991-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 205 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
238 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
601 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
205 m²/s²
0-3 km storm-relative helicity
218 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSBN 262359
TORSBN
MIC021-270030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE SOUTH BEND IN
759 PM EDT SUN MAY 26 1991

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 830 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE SOUTHWEST PART OF MICHIGAN
      SOUTHERN BERRIEN

AT 650PM EST...750PM EDT...A FUNNEL CLOUD WAS REPORTED 5 MILES
WEST OF SOUTH BEND MOVING NORTH NORTHEAST AT 20 MPH.

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.

REPORT SEVERE fWEATHER TO YOUR NEAREST LAW ENFORCEMENT AGENCY AND ASK
THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

ARNOLD

Nearby

Tornado Warnings in Michigan, 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; the sounding from the Mesonet's radiosonde archive.