Alert archive / Michigan / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 2, NWS Grand Rapids, MI

June 28, 1990Kalamazoo County, Van Buren County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Jun 28, 1990, 6:45 PM EDT for Kalamazoo County, Van Buren County, Michigan. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Jun 28, 1990, 6:45 PM EDT (22:45 UTC)
Expired
Jun 28, 1990, 7:45 PM EDT
In force
60 min
Issued by
NWS Grand Rapids, MI
Area
Whole counties

Counties Kalamazoo County, MI, Van Buren 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 12:00Z, 10.8 hours before the alert went out and 210 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 1990-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1990-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 139 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
744 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
139 m²/s²
0-3 km storm-relative helicity
176 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRR 282248
SVRGRR
MIC077-159-282345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
645 PM EDT THU JUN 28 1990
 
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  745 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHWEST MICHIGAN
          ...WESTERN KALAMAZOO...EASTERN VAN BUREN
 
AT 645 PM EDT...WEATHER RADAR INDICATED THE THUNDERSTORMS OVER VAN
BUREN COUNTY HAD CONTINUED TO INCREASE IN INTENSITY. AT 643 GOLF BALL
SIZED HAIL WAS FALLING IN THE CITY OF PAW PAW...16 MILES WEST
SOUTHWEST OF KALAMAZOO. THE THUNDERSTORMS WERE IN A SMALL LINE
EXTENDING FROM GLENDALE SOUTH THROUGH PAW PAW TO DECATUR IN VAN BUREN
COUNTY. THE THUNDESTORMS WERE MOVING EAST AT 30 MPH AND WILL BE MOVING
INTO KALAMAZOO COUNTY BY 655 PM AND INTO THE CITY OF KALAMAZOO BY 715
PM EDT. PERSONS IN THE PATH OF THESE STORMS SHOULD PREPARE FOR SEVERE
WEATHER AND TAKE COVER NOW.
 
 
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. PERSONS IN THE WARNING AREA
SHOULD GET INTO A REINFORCED SHELTER AND PREPARE FOR STRONG
WINDS...LARGE HAIL...VERY HEAVY 'RAIN AND DEADLY LIGHTNING.

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, 5:45 PM EDT, 1 hour before
MIZ002-003-004-009-010-013-015-016-281500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
540 PM EDT THU JUN 28 1990

...STRONG THUNDERSTORM IN SOUTHWEST LOWER MICHIGAN...

AT 535PM EDT...WEATHER RADAR INDICATED A STRONG THUNDERSTORM OVER VAN
BUREN COUNTY...IN SOUTHWEST LOWER MICHIGAN. THE THUNDERSTORM WAS LOCATED
NEAR THE CITIES OF COVERT AND MCDONALD...35 MILES WEST OF THE CITY OF
KALAMAZOO. THE THUNDERSTORM WAS MOVING EAST AT 30 MPH. THIS THUNDERSTORM
IS THE ONLY ONE IN SOUTHWEST LOWER MICHIGAN AT THIS TIME.

THIS THUNDERSTORM CAN PRODUCE STRONG GUSTY WINDS IN EXCESS OF 45 MPH...
HAIL AND DEADLY LIGHTNING. PERSONS IN VAN BUREN COUNTY SHOULD BE ON
THE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS...AND REPORT ANY
SEVERE WEATHER TO THE LOCAL POLICE FOR RELAY TO THE NATIONAL WEATHER
SERVICE.

REK
Special weather statement, Jun 28, 5:46 PM EDT, 59 minutes before
MIZ002-003-004-009-010-013-015-016-282245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
540 PM EDT THU JUN 28 1990

...STRONG THUNDERSTORM IN SOUTHWEST LOWER MICHIGAN...

AT 535PM EDT...WEATHER RADAR INDICATED A STRONG THUNDERSTORM OVER VAN
BUREN COUNTY...IN SOUTHWEST LOWER MICHIGAN. THE THUNDERSTORM WAS LOCATED
NEAR THE CITIES OF COVERT AND MCDONALD...35 MILES WEST OF THE CITY OF
KALAMAZOO. THE THUNDERSTORM WAS MOVING EAST AT 30 MPH. THIS THUNDERSTORM
IS THE ONLY ONE IN SOUTHWEST LOWER MICHIGAN AT THIS TIME.

THIS THUNDERSTORM CAN PRODUCE STRONG GUSTY WINDS IN EXCESS OF 45 MPH...
HAIL AND DEADLY LIGHTNING. PERSONS IN VAN BUREN COUNTY SHOULD BE ON
THE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS...AND REPORT ANY
SEVERE WEATHER TO THE LOCAL POLICE FOR RELAY TO THE NATIONAL WEATHER
SERVICE.

REK

The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 28, 6:00 PM EDTSevere Thunderstorm WarningGRRVan Buren45 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1990Every severe thunderstorm warning in 1990

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.