Alert archive / Michigan / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 80, NWS Gaylord, MI

September 11, 1996Antrim County, Charlevoix County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Sep 11, 1996, 10:38 PM EDT for Antrim County, Charlevoix County, Michigan. It was in force for 52 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Sep 11, 1996, 10:38 PM EDT (02:38 UTC)
Expired
Sep 11, 1996, 11:30 PM EDT
In force
52 min
Issued by
NWS Gaylord, MI
Area
Whole counties

Counties Antrim County, MI, Charlevoix County, MI

What was reported inside it

TimeReportWhereRemark
Sep 11, 10:45 PM EDTHail 1Boyne City, MI

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Alpena, MI (KAPX), launched 00:00Z, 2.6 hours before the alert went out and 220 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, Alpena, MI at 00:00Z on 1996-09-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 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, Alpena, MI at 00:00Z on 1996-09-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.1939587897117Sfc1 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
17 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
1236 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
54 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 120238
SVRAPN
MIC029-009-120330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
1038 PM EDT WED SEP 11 1996
 
THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  MICHIGAN
 
   ...CHARLEVOIX AND NORTHEAST ANTRIM COUNTIES...
 
AT 1035 PM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR EAST
JORDAN ON M-66. THE STORM WAS PRODUCING HIGH WINDS AND GOLF BALL SIZE
HAIL AS REPORTED BY LAW ENFORCEMENT. THE STORM WAS MOVING SOUTHEAST AT
20 MPH AND WILL HIT ELMIRA BY 1110 PM.
 
THE STORM WILL FOLLOW M-32 AS IT CONTINUES SOUTHEASTWARD.
 
DESTRUCTIVE WIND AND HAIL...TORRENTIAL RAIN...AND DEADLY LIGHTNING
WILL OCCUR WITH THIS SEVERE THUNDERSTORM. SEEK SHELTER NOW.
 
JAH
&

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.