Alert archive / Michigan / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 53, NWS Gaylord, MI

August 28, 1994Presque Isle County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Aug 28, 1994, 1:55 AM EDT for Presque Isle County, Michigan. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Aug 28, 1994, 1:55 AM EDT (05:55 UTC)
Expired
Aug 28, 1994, 2:30 AM EDT
In force
35 min
Issued by
NWS Gaylord, MI
Area
Whole counties

County Presque Isle County, MI

The nearest sounding before it

Sault Ste Marie, MI (KY62), launched 00:00Z, 5.9 hours before the alert went out and 124 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 1994-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 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 1994-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 249 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
934 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
249 m²/s²
0-3 km storm-relative helicity
273 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 280556 RRA
SVRAPN
MIC141-280630-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALPENA MI
155 AM EDT SUN AUG 28 1994
 
THE NATIONAL WEATHER SERVICE IN ALPENA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  230 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST LOWER MICHIGAN
 
   ...EASTERN PRESQUE ISLE COUNTY
 
...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE
COUNTIES JUST MENTIONED
 
AT 154 AM EDT...RADAR SHOWED A SEVERE THUNDERSTORM BETWEEN POSEN AND
ROGERS CITY MOVING EAST NEAR 50 MPH. THIS STORM WILL LIKELY PRODUCE HAIL
IN EXCESS OF 3/4 INCH AND DAMAGING WINDS. IT WILL BE OVER GRAND LAKE AND
PRESQUE ISLE BY 210 A`M EDT.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. SEVERE
THUNDERSTORMS OCCASIONALLY PRODUCE TORNADOES WITH NO ADVANCE
WARNING, SO TAKE COVER IMMEDIATELY.
 
HELGESON

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, Aug 28, 12:15 AM EDT, 1 hour 40 minutes before
MIZ016>019-023-024-029-030-036-042-509-514-280500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALPENA MI
1215 AM EDT SUN AUG 28 1994

...THUNDERSTORMS WERE MOVING INTO EXTREME NORTHWEST LOWER MICHIGAN...

AT 1210 AM...NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF
SHOWERS WITH EMBEDDED THUNDERSTORMS EXTENDING FROM NORTHERN
LAKE MICHIGAN TO SOUTH OF BEAVER ISLAND. THE AREA WILL MOVE EAST
AT 40 MILES AN HOUR...WITH THE LEADING EDGE MOVING TO OVER
CHEBOYGAN...INDIAN RIVER...BOYNE CITY AND EAST JORDAN BY 1245 AM.
BY 115 AM...SHOWERS AND A FEW THUNDERSTORMS WILL MOVE TO OVER THE
HAMMOND BAY AREA AND EXTEND SOUTHWEST TO OVER GAYLORD.

HEAVY RAIN...LIGHTNING...GUSTY WINDS AND SMALL HAIL WILL BE POSSIBLE
AS THE AREA MOVES EAST ACROSS NORTHERN LOWER MICHIGAN. YOU SHOULD BE
READY TO GO TO A REINFORCED SHELTER IF THREATENING WEATHER APPROACHES.

WOOD
Special weather statement, Aug 28, 12:17 AM EDT, 1 hour 38 minutes before
MIZ016>019-023-024-029-030-036-042-509-514-280500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALPENA MI
1215 AM EDT SUN AUG 28 1994

...THUNDERSTORMS WERE MOVING INTO EXTREME NORTHWEST LOWER MICHIGAN...

AT 1210 AM...NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF
SHOWERS WITH EMBEDDED THUNDERSTORMS EXTENDING FROM NORTHERN
LAKE MICHIGAN TO SOUTH OF BEAVER ISLAND. THE AREA WILL MOVE EAST
AT 40 MILES AN HOUR...WITH THE LEADING EDGE MOVING TO OVER
CHEBOYGAN...INDIAN RIVER...BOYNE CITY AND EAST JORDAN BY 1245 AM.
BY 115 AM...SHOWERS AND A FEW THUNDERSTORMS WILL MOVE TO OVER THE
HAMMOND BAY AREA AND EXTEND SOUTHWEST TO OVER GAYLORD.

HEAVY RAIN...LIGHTNING...GUSTY WINDS AND SMALL HAIL WILL BE POSSIBLE
AS THE AREA MOVES EAST ACROSS NORTHERN LOWER MICHIGAN. YOU SHOULD BE
READY TO GO TO A REINFORCED SHELTER IF THREATENING WEATHER APPROACHES.

WOOD
Special weather statement, Aug 28, 12:50 AM EDT, 1 hour 5 minutes before
MIZ016>019-023-024-029-030-036-042-509-514-280705-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALPENA MI
1250 AM EDT SUN AUG 28 1994

...TORNADO WATCH IN EFFECT FOR ALL OF NORTHERN LOWER MICHIGAN
UNTIL 600 AM EDT...

A TORNADO WATCH IS IN EFFECT FOR CHARLEVOIX...EMMET...CHEBOYGAN...
PRESQUE ISLE...ALPENA...MONTMORENCY...OSCODA...ALCONA...IOSCO...AND
ARENAC COUNTIES IN NORTHERN LOWER MICHIGAN UNTIL 600 AM. THE WATCH
INCLUDES THE COMMUNITIES OF PETOSKEY...INDIAN RIVER...ONAWAY...ALPENA...
MIO...AND STANDISH.

AT 1245 AM...NATIONAL WEATHER SERVICE RADAR INDICATED STRONG
THUNDERSTORMS EXTENDING FROM JUST WEST OF CHEBOYGAN...TO MULLET LAKE
...TO HARBOR SPRINGS...TO PETOSKEY AND BOYNE FALLS. THE STORMS WERE
MOVING EAST AT 40 MILES AN HOUR.

BY 115 AM...THE THUNDERSTORMS WILL MOVE TO 10 MILES NORTHWEST OF
ROGERS CITY AND EXTEND SOUTHWEST TO GAYLORD. THEN BE NEAR THE
COMMUNTIES OF POSEN...HILLMAN...ATLANTA AND LEWISTON BY 130 AM.

A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT
OF SEVERE THUNDERSTORMS AND TORNADOES IN AND CLOSE TO THE WATCH AREA.
YOU SHOULD STAY ALERT TO CHANGING WEATHER AND BE READY TO MOVE TO A
REINFORCED SHELTER IF THREATENING WEATHER APPROACHES.

WOOD
Special weather statement, Aug 28, 1:22 AM EDT, 33 minutes before
MIZ022-028-034-035-040-041-280700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUGHTON LAKE MI
122 AM EDT SUN AUG 28 1994

...A TORNADO WATCH IS IN EFFECT UNTIL 600 AM FOR NORTH CENTRAL LOWER
MICHIGAN...

A TORNADO WATCH HAS BEEN ISSUED UNTIL 600 AM FOR ALL OF NORTH CENTRAL
LOWER MICHIGAN. THE WATCH AREA COVERS THE COUNTIES OF OTSEGO...
CRAWFORD...ROSCOMMON...OGEMAW...CLARE...AND GLADWIN. A FEW WELL KNOWN
COMMUNITIES IN THE WATCH AREA INCLUDE GAYLORD...GRAYLING...HOUGHTON
LAKE...ROSCOMMON...WEST BRANCH...CLARE...HARRISON...AND GLADWIN.

AT 120 AM EDT...NATIONAL WEATHER SERVICE RADAR OUT OF HOUGHTON LAKE
INDICATED A FEW THUNDERSTORMS ENTERING WEST CENTRAL CRAWFORD COUNTY.
THE STORMS WERE MOVING EAST AT 40 MPH AND WILL REACH THE GRAYLING
AREA BY 130 AM EDT. AT THE SAME TIME...THUNDERSTORMS WERE DEVELOPING
ACROSS WESTERN LOWER MICHIGAN FROM MUSKEGON TO MANISTE. THESE
THUNDERSTORMS WILL FURTHER DEVELOP AS THEY MOVE TO THE EAST AT 40
MPH...AND WILL REACH THE WESTERN BORDERS OF ROSCOMMON AND CLARE
COUNTIES BETWEEN 200 AND 230 AM EDT.

A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT
OF SEVERE THUNDERSTORMS WHICH CAN PRODUCE DAMAGING WINDS OF 58 MPH
OR GREATER...LARGE HAIL THREE QUARTER INCH IN DIAMETER OR GREATER...
AD POSSIBLY TORNADOES. THIS CAN BE A DANGEROUS SITUATION...BE ALERT
TO RAPIDLY CHANGING WEATHER CONDITIONS AND BE READY TO RELOCATE TO
A STURDY SHELTER SHOULD SEVERE WEATHER THREATEN.

HURLEY
Special weather statement, Aug 28, 1:35 AM EDT, 20 minutes before
MIZ016>019-023-024-029-030-036-042-509-514-280705-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALPENA MI
135 AM EDT SUN AUG 28 1994

...TORNADO WATCH REMAINS IN EFFECT FOR ALL OF NORTHERN LOWER MICHIGAN
UNTIL 600 AM EDT...

A TORNADO WATCH REMAIN IN EFFECT FOR CHARLEVOIX...EMMET...CHEBOYGAN...
PRESQUE ISLE...ALPENA...MONTMORENCY...OSCODA...ALCONA...IOSCO...AND
ARENAC COUNTIES IN NORTHERN LOWER MICHIGAN UNTIL 600 AM. THE WATCH
INCLUDES THE COMMUNITIES OF MACKINAW CITY...ATLANTA...GLENNIE AND
EAST TAWAS.

AT 130 AM...NATIONAL WEATHER SERVICE RADAR INDICATED  A BROAD AREA OF
SHOWERS COVERING NORTHERN LOWER MICHIGAN FROM MACKINAW CITY...TO LACHINE
...TO FAIRVIEW. THUNDERSTORMS WERE EMBEDDED WITHIN THE AREA...WITH
STRONG THUNDERSTORMS OVER MILLERSBURG...HAWKS AND HILLMAN. THE STORMS
WERE MOVING EAST AT NEAR 50 MILES AN HOUR.

BY 215 AM THE STRONG THUNDERSTORMS WILL MOVE OVER THE WATERS OF LAKE
HURON AND EXTEND SOUTHWEST ACROSS SOUTH POINT...GLENNIE AND HALE. BY
245 AM SHOWERS AND THUNDERSTORMS WILL MAINLY BE OVER THE WATER OF LAKE
HURON. HOWEVER THUNDERSTORM REDEVELOPMENT TO THE WEST WILL CONTINUE
OVERNIGHT.

AT 132 AM WIND EQUIPMENT LOCATED IN GAYLORD REPORTED WIND SPEEDS
AVERAGING 31 MPH WITH GUSTS 40 MPH.

A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT
OF SEVERE THUNDERSTORMS AND TORNADOES IN AND CLOSE TO THE WATCH AREA.
YOU SHOULD STAY ALERT TO CHANGING WEATHER AND BE READY TO MOVE TO A
REINFORCED SHELTER IF THREATENING WEATHER APPROACHES.

WOOD
Special weather statement, Aug 28, 1:38 AM EDT, 17 minutes before
MIZ016>019-023-024-029-030-036-042-509-514-280705-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALPENA MI
135 AM EDT SUN AUG 28 1994

...TORNADO WATCH REMAINS IN EFFECT FOR ALL OF NORTHERN LOWER MICHIGAN
UNTIL 600 AM EDT...

A TORNADO WATCH REMAIN IN EFFECT FOR CHARLEVOIX...EMMET...CHEBOYGAN...
PRESQUE ISLE...ALPENA...MONTMORENCY...OSCODA...ALCONA...IOSCO...AND
ARENAC COUNTIES IN NORTHERN LOWER MICHIGAN UNTIL 600 AM. THE WATCH
INCLUDES THE COMMUNITIES OF MACKINAW CITY...ATLANTA...GLENNIE AND
EAST TAWAS.

AT 130 AM...NATIONAL WEATHER SERVICE RADAR INDICATED  A BROAD AREA OF
SHOWERS COVERING NORTHERN LOWER MICHIGAN FROM MACKINAW CITY...TO LACHINE
...TO FAIRVIEW. THUNDERSTORMS WERE EMBEDDED WITHIN THE AREA...WITH
STRONG THUNDERSTORMS OVER MILLERSBURG...HAWKS AND HILLMAN. THE STORMS
WERE MOVING EAST AT NEAR 50 MILES AN HOUR.

BY 215 AM THE STRONG THUNDERSTORMS WILL MOVE OVER THE WATERS OF LAKE
HURON AND EXTEND SOUTHWEST ACROSS SOUTH POINT...GLENNIE AND HALE. BY
245 AM SHOWERS AND THUNDERSTORMS WILL MAINLY BE OVER THE WATER OF LAKE
HURON. HOWEVER THUNDERSTORM REDEVELOPMENT TO THE WEST WILL CONTINUE
OVERNIGHT.

AT 132 AM WIND EQUIPMENT LOCATED IN GAYLORD REPORTED WIND SPEEDS
AVERAGING 31 MPH WITH GUSTS 40 MPH.

A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT
OF SEVERE THUNDERSTORMS AND TORNADOES IN AND CLOSE TO THE WATCH AREA.
YOU SHOULD STAY ALERT TO CHANGING WEATHER AND BE READY TO MOVE TO A
R"EINFORCED SHELTER IF THREATENING WEATHER APPROACHES.

WOOD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 3:06 AM EDTSevere Thunderstorm WarningAPXMuskegon69 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1994Every severe thunderstorm warning in 1994

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.