Alert archive / Michigan / Tornado Warnings in 1990

Tornado Warning 2, NWS Grand Rapids, MI

June 22, 1990Van Buren County, Michigan

NWS Grand Rapids, MI issued this tornado warning at Jun 22, 1990, 6:31 PM EDT for Van Buren County, Michigan. It was in force for 24 min.

The area

The counties it named.

The facts

Issued
Jun 22, 1990, 6:31 PM EDT (22:31 UTC)
Expired
Jun 22, 1990, 6:55 PM EDT
In force
24 min
Issued by
NWS Grand Rapids, MI
Area
Whole counties

County 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, 10.5 hours before the alert went out and 241 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 1990-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 1990-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939587897Sfc1 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
2 J/kg
Mixed-layer CIN
-91 J/kg
Mixed-layer LCL
1323 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
135 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 
TTAA00 KGRR 222231
TORGRR
MIC159-077-222315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
631 PM EDT FRI JUN 22 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 715 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTHWEST PART OF LOWER MICHIGAN
      NORTHEAST VAN BUREN...NORTHWEST KALAMAZOO

AT 625 PM EDT...THE PUBLIC REPORTED A FUNNEL CLOUD NORTHEAST OF
PAW PAW IN VAN BUREN COUNTY...ABOUT 15 MILES WEST OF KALAMAZOO...
MOVING TO THE NORTHEAST. PERSONS IN THE CITIES OF MENTHA AND ALAMO
SHOULD TAKE COVER IMMEDIATELY.

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO.  CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS.  IF YOU ARE CAUGHT IN THE PATH OF
A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING.  IF NO
STRUCTURE IS NEARBY...TAKE SHELTER IN A DITCH OR LOW SPOT.

MJK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 6:31 PM EDTTornado WarningGRRKalamazoo34 min
Jun 22, 7:11 PM EDTTornado WarningGRRBarry49 min

Nearby

Tornado Warnings in Michigan, 1990Every tornado warning in 1990Tornadoes 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.