Alert archive / Michigan / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 21, NWS Grand Rapids, MI

July 13, 1992Kalamazoo County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Jul 13, 1992, 10:36 PM EDT for Kalamazoo County, Michigan. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
Jul 13, 1992, 10:36 PM EDT (02:36 UTC)
Expired
Jul 13, 1992, 11:05 PM EDT
In force
29 min
Issued by
NWS Grand Rapids, MI
Area
Whole counties

County Kalamazoo County, MI

The nearest sounding before it

Detroit, MI (KFNT), launched 00:00Z, 2.6 hours before the alert went out and 180 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 00:00Z on 1992-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1992-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 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
1 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
559 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
293 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 140235
SVRGRR
MIC077-140315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1036 PM EDT MON JUL 13 1992
 
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST MICHIGAN
 
   ...EASTERN KALAMAZOO COUNTY
 
AT 1030 PM EDT SKYWARN SPOTTERS REPORTED 3 FOOT DIAMETER TREES BLOWN
DOWN IN KALAMAZOO...50 MPH WIND AT CHANNEL 3 IN KALAMAZOO. THIS STORM IS
MOVING EAST AT 40 MPH AND WILL BE MOVING THROUGH THE COMMUNITIES OF
GALESBURG...CLIMAX AND SCOTTS.
 
IF YOU ARE IN THE PATH OF THIS SEVERE THUNDERSTORM MOVE INSIDE A
STRONG BUILDING.$ DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY. MOTORISTS SHOULD
NOT DRIVE INTO LOW WATER CROSSINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 8:31 PM EDTSevere Thunderstorm WarningGRRBranch34 min
Jul 13, 8:54 PM EDTSevere Thunderstorm WarningGRRHillsdale31 min
Jul 13, 9:43 PM EDTSevere Thunderstorm WarningGRRVan Buren16 min
Jul 13, 10:46 PM EDTSevere Thunderstorm WarningGRRBranch, Calhoun44 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1992Every severe thunderstorm warning in 1992

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.