Alert archive / Michigan / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 4, NWS Gaylord, MI

April 30, 1996Iosco County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Apr 30, 1996, 9:04 PM EDT for Iosco County, Michigan. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 30, 1996, 9:04 PM EDT (01:04 UTC)
Expired
Apr 30, 1996, 9:45 PM EDT
In force
41 min
Issued by
NWS Gaylord, MI
Area
Whole counties

County Iosco County, MI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.1 hours before the alert went out and 365 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, Green Bay/Straub, WI at 00:00Z on 1996-05-01Temperature 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, Green Bay/Straub, WI at 00:00Z on 1996-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
1144 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
70 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 KAPN 010110
SVRAPN
MIC069-MIZ539-010145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
904 PM EDT TUE APR 30 1996
 
THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL  945 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  MICHIGAN
 
   ...IOSCO COUNTY
 
  AND FOR MARINE INTERESTS
 
   ...TAWAS CITY TO ALABASTER
 
AT 908 PM A SPOTTER FROM EAST TAWAS IN IOSCO COUNTY REPORTED
A STRONG THUNDERSTORM JUST NORTH OF TOWN. THIS STORM WAS MOVING
EAST AT AROUND 25 MPH AND WILL MOVE OFFSHORE NORTH OF ALABASTER BY
915 PM.
 
IF YOU ARE IN THE PATH OF THIS STORM...THE SAFEST PLACE IS THE
BASEMENT. THIS STORM CAN PRODUCE STRONG WINDS OR A POSSIBLE
TORNADO. BOATERS SHOULD SEEK A SAFE HARBOR.

Nearby

Severe Thunderstorm Warnings in Michigan, 1996Every severe thunderstorm warning in 1996

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.