Alert archive / Michigan / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 150, NWS Indianapolis, IN

June 28, 1994Cass County, Michigan

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 28, 1994, 4:26 PM EST for Cass County, Michigan. It was in force for 49 min.

The area

The counties it named.

The facts

Issued
Jun 28, 1994, 4:26 PM EST (21:26 UTC)
Expired
Jun 28, 1994, 5:15 PM EST
In force
49 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Cass County, MI

The nearest sounding before it

Detroit, MI (KFNT), launched 12:00Z, 9.4 hours before the alert went out and 229 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 1994-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 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 1994-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
15 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
983 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KSBN 282129 RRA
SVRSBN
MIC027-282215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SOUTH BEND IN
426 PM EST (526 PM EDT) TUE JUN 28 1994
 
THE NATIONAL WEATHER SERVICE IN SOUTH BEND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM EST (615 PM EDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST LOWER MICHIGAN
 
   ...CASS COUNTY
 
AT 425 PM EST / 525 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM
OCCURRING 5 MILES EAST OF NILES MICHIGAN OR 10 MILES NORTHEAST OF SOUTH
BEND.
 
THIS THUNDERSTORM WAS MOVING OFF TO THE EAST NORTHEAST AT 35 MILES AN
HOUR.  TOWNS IN THE PATH OF THIS STORM ARE...EDWARDSBURG...ADAMSVILLE
...CALVIN CENTER AND UNION.
 
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
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.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
SPRIGGS
 
&

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, Jun 28, 1:24 PM EST, 3 hours 2 minutes before
INZALL-290200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
124 PM EST TUE JUN 28 1994

IN INDIANA THIS TORNADO WATCH IS IN EFFECT UNTIL 9 PM EST
AND INCLUDES THAT PART OF INDIANA...

NORTH OF A LINE FROM 20 MILES NORTH OF LAFAYETTE TO 25 MILES SOUTH
OF FORT WAYNE...EXCEPT FOR LAKE...PORTER AND NEWTON COUNTIES IN FAR
NORTHWEST INDIANA WHICH ARE NOT IN THE WATCH AREA.

SOME CITIES INCLUDED ARE... SOUTH BEND...ELKHART...ANGOLA...
MONTICELLO...LOGANSPORT...FORT WAYNE...WABASH AND DECATUR.

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.
STEIGERWALDT
/
Special weather statement, Jun 28, 1:26 PM EST, 3 hours before
INZALL-290200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
124 PM EST TUE JUN 28 1994

IN INDIANA THIS TORNADO WATCH IS IN EFFECT UNTIL 9 PM EST
AND INCLUDES THAT PART OF INDIANA...

NORTH OF A LINE FROM 20 MILES NORTH OF LAFAYETTE TO 25 MILES SOUTH
OF FORT WAYNE...EXCEPT FOR LAKE...PORTER AND NEWTON COUNTIES IN FAR
NORTHWEST INDIANA WHICH ARE NOT IN THE WATCH AREA.

SOME CITIES INCLUDED ARE... SOUTH BEND...ELKHART...ANGOLA...
MONTICELLO...LOGANSPORT...FORT WAYNE...WABASH AND DECATUR.

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.
STEIGERWALDT

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 28, 3:49 PM ESTSevere Thunderstorm WarningINDBerrien, Cass41 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1994Every severe thunderstorm warning in 1994

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.