Alert archive / Michigan / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 2, NWS Gaylord, MI

June 23, 1989Kalkaska County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jun 23, 1989, 7:53 PM EDT for Kalkaska County, Michigan. It was in force for 52 min.

The area

The counties it named.

The facts

Issued
Jun 23, 1989, 7:53 PM EDT (23:53 UTC)
Expired
Jun 23, 1989, 8:45 PM EDT
In force
52 min
Issued by
NWS Gaylord, MI
Area
Whole counties

County Kalkaska 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

Sault Ste Marie, MI (KSSM), launched 12:00Z, 11.9 hours before the alert went out and 208 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, Sault Ste Marie, MI at 12:00Z on 1989-06-23Temperature 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, Sault Ste Marie, MI at 12:00Z on 1989-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMKG 232353
SVRMKG
MIC079-240045-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE MUSKEGON MI
753 PM EDT FRI JUN 23 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 845 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE NORTHWEST PART OF LOWER MICHIGAN
      SOUTHERN KALKASKA

AT 745 PM EDT RADAR INDICATED A SEVERE THUNDERSTORM IN SOUTHERN
KALKASKA COUNTY 11 MILES SOUTH SOUTHEAST OF KALKASKA NEAR SHARON.
MOVEMENT OF THIS STORM WAS TO THE EAST NORTHEAST AT 20 MPH.

IF YOU ARE IN THE PATH OF THIS STORM.....GO TO A BASEMENT SHELTER IF
AVAILABLE...OTHERWISE GO TO A CENTRAL INTERIOR ROOM ON THE LOWEST
FLOOR. ABDANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING.

IF YOU ARE IN AN AREA THREATENED BY THE STORM..GO TO A REINFORCED
SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN
AND DANGEROUS LIGHTNING.

Nearby

Severe Thunderstorm Warnings in Michigan, 1989Every severe thunderstorm warning in 1989

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.