Alert archive / Michigan / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 65, NWS Gaylord, MI

September 6, 1995Mackinac County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Sep 6, 1995, 10:56 PM EDT for Mackinac County, Michigan. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
Sep 6, 1995, 10:56 PM EDT (02:56 UTC)
Expired
Sep 7, 1995, 12:00 AM EDT
In force
64 min
Issued by
NWS Gaylord, MI
Area
Whole counties

County Mackinac County, MI

The nearest sounding before it

Sault Ste Marie, MI (KY62), launched 00:00Z, 2.9 hours before the alert went out and 75 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 00:00Z on 1995-09-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1077 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, Sault Ste Marie, MI at 00:00Z on 1995-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 289 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
1077 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
805 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
289 m²/s²
0-3 km storm-relative helicity
338 m²/s²
Significant tornado parameter
1.5
Supercell composite
12.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSSM 070254 RRA
SVRSSM
MIC097-MIZ513-508-070400-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE SAULT STE MARIE MI
1056 PM EDT WED SEP 6 1995
 
THE NATIONAL WEATHER SERVICE IN SAULT STE MARIE HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL MIDNIGHT EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST MICHIGAN
 
   ...MACKINAC COUNTY
 
AND ADJACENT COASTAL WATERS OF THE GREAT LAKES...
 
AT 11 PM EDT A LINE OF SEVERE THUNDERSTORMS EXTENDED FROM THE ST MARYS
RIVER SYSTEM WEST TO POINT PATTERSON IN SOUTHWEST MACKINAC COUNTY. THIS
LINE OF STORMS WAS MOVING TO THE EAST SOUTHEAST AT 40 MILES AN HOUR AND
WILL BE NEAR BREVORT... ALLENVILLE...ST IGNACE... MACKINAC AND BOIS
BLANC ISLANDS... AND CEDARVILLE AT 1130 PM EDT. THESE STORMS HAVE
PRODUCED WIND GUSTS OF 63 MILES AN HOUR AND ALSO CONTAIN DANGEROUS
LIGHTNING AND HEAVY RAIN.
 
A TORNADO WATCH REMAINS IN EFFECT FOR EAST UPPER MICHIGAN UNTIL 1 AM
EDT.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH... DESTRUCTIVE HAIL AND DEADLY LIGHTNING. FOR YOUR PROTECTION
MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS. HEA4VY RAINS WILL FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
 
NNNN
LHW

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Sep 6, 7:50 PM EDT, 3 hours 6 minutes before
MIZ008-022000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAULT STE MARIE MI
750 PM EDT WED SEP 06 1995

...TORNADO WATCH IN EFFECT FOR EAST UPPER MICHIGAN UNTIL 1 AM EDT...

THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED A TORNADO
WATCH VALID UNTIL 100 AM EDT FOR EAST UPPER MICHIGAN.

THIS WATCH INCLUDES THE FOLLOWING COUNTIES IN EAST UPPER MICHIGAN:

CHIPPEWA...MACKINAC...

THIS WATCH INCLUDES THE ADJACENT COASTAL WATERS AROUND THE WARNING
AREA.

REMEMBER...A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

BRW
Special weather statement, Sep 6, 9:20 PM EDT, 1 hour 36 minutes before
MIZ008-015-070230

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAULT STE MARIE MI
920 PM EDT WED SEP 06 1995

...A TORNADO WATCH... AND SEVERE THUNDERSTORM WARNING REMAINS IN
EFFECT FOR EAST UPPER MICHIGAN.

THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED A TORNADO
WATCH VALID UNTIL 100 AM EDT FOR EAST UPPER MICHIGAN. THIS WATCH
INCLUDES THE FOLLOWING COUNTIES IN EAST UPPER MICHIGAN...

CHIPPEWA...MACKINAC...

THIS WATCH INCLUDES THE ADJACENT COASTAL WATERS AROUND THE WARNING
AREA.

REMEMBER...A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING IS IN EFFECT
UNTIL 945 PM FOR NORTHWEST CHIPPEWA COUNTY. A SEVERE THUNDERSTORM
AND SPECIAL MARINE WARNING IS ALSO IN EFFECT UNTIL 10 PM FOR
PERSONS IN MACKINAC COUNTY.

THIS IS A DANGEROUS WEATHER SITUATION. LISTEN FOR FURTHER
STATEMENTS AND WARNINGS AND BE PREPARED TO MOVE INTO SAFE SHELTER
IF THREATENING THUNDERSTORMS APPROACH YOUR AREA.

LHW
Special weather statement, Sep 6, 10:10 PM EDT, 46 minutes before
MIZ008-015-070300

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAULT STE MARIE MI
1010 PM EDT WED SEP 06 1995

...A TORNADO WATCH... AND SEVERE THUNDERSTORM WARNINGS REMAIN IN
EFFECT FOR EAST UPPER MICHIGAN.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1 AM EDT FOR CHIPPEWA AND
MACKINAC COUNTIES OF EAST UPPER MICHIGAN.

A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING IS IN EFFECT UNTIL
1030 PM FOR CHIPPEWA COUNTY AND ADJOINING WATERS OF THE GREAT LAKES.
A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING IS ALSO IN EFFECT
UNTIL 1100 PM EDT FOR MACKINAC COUNTY AND ADJOINING WATERS.

AT AROUND 930 PM EDT...THE NATIONAL WEATHER SERVICE RECORDED A WIND
GUST OF 63 MILES AN HOUR...OR 55 KNOTS...AT WHITEFISH POINT IN
NORTHWEST CHIPPEWA COUNTY. AT 835 PM THE WEATHER OFFICE IN SAULT STE
MARIE RECORDED A WIND GUST OF 30 MILES AND HOUR... OR 26 KNOTS... AT
SANDERSON FIELD.

THIS IS A DANGEROUS WEATHER SITUATION. LISTEN FOR FURTHER
STATEMENTS AND WARNINGS AND BE PREPARED TO MOVE INTO SAFE SHELTER
IF THREATENING THUNDERSTORMS APPROACH YOUR AREA.

LHW

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 6, 8:45 PM EDTSevere Thunderstorm WarningAPXChippewa60 min
Sep 6, 9:00 PM EDTSevere Thunderstorm WarningAPXMackinac60 min
Sep 6, 9:25 PM EDTSevere Thunderstorm WarningAPXChippewa65 min
Sep 6, 9:51 PM EDTSevere Thunderstorm WarningAPXMackinac69 min
Sep 6, 10:25 PM EDTSevere Thunderstorm WarningAPXChippewa65 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1995Every severe thunderstorm warning in 1995

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.