Alert archive / Michigan / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 8, NWS Gaylord, MI

June 28, 1994Arenac County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jun 28, 1994, 2:36 PM EDT for Arenac County, Michigan. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
Jun 28, 1994, 2:36 PM EDT (18:36 UTC)
Expired
Jun 28, 1994, 3:23 PM EDT
In force
47 min
Issued by
NWS Gaylord, MI
Area
Whole counties

County Arenac County, MI

The nearest sounding before it

Detroit, MI (KFNT), launched 12:00Z, 6.6 hours before the alert went out and 149 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, Detroit, MI at 12:00Z on 1994-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 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, Detroit, MI at 12:00Z on 1994-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
15 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
983 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
61 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 
WUUS1 KAPN 281837 RRA
SVRAPN
MIC011-281945-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALPENA MI
236 PM EDT TUE JUN 28 1994
 
THE NATIONAL WEATHER SERVICE IN ALPENA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL LOWER MICHIGAN
 
   ...ARENAC COUNTY
 
...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE
COUNTIES JUST MENTIONED
 
AT 236 PM EDT...RADAR SHOWED A DEVELOPING SEVERE THUNDERSTORM 30 MILES
NORTH OF BAY CITY BETWEEN ALGER AND STANDISH. IT WAS MOVING NORTHEAST AT
20 MILES AN HOUR. BY 300 PM IT WILL BE LOCATED JUST NORTH OF OMER AND BY
320 PM IT WILL BE JUST NORTH OF TWINING ON THE ARENAC AND IOSCO COUNTY
LINE. THIS STORM HAD A HISTORY OF PRODUCING 3/4 INCH HAIL.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
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, Jun 28, 1:31 PM EDT, 1 hour 5 minutes before
MIZ041-281900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUGHTON LAKE MI
130 PM EDT TUE JUN 1281994

...A THUNDERSTORM WAS DEVELOPING IN SOUTHWEST GLADWIN COUNTY...

AT 125 PM EDT...RADAR INDICATED A DEVELOPING THUNDERSTORM IN
SOUTHWEST GLADWIN COUNTY JUST SOUTH OF BEAVERTON OR 30 MILES
SOUTHEAST OF HOUGHTON LAKE. MOVEMENT WAS NORTHEAST AT 20 MPH WHICH
WOULD PLACE THE STORM IN AN AREA OF WIXOM LAKE BY 200 PM.

LOCALLY HEAVY RAINFALL CAN BE EXPECTED IN ITS PATH...AS WELL AS
FREQUENT CLOUD TO GROUND LIGHTNING AND HAIL. WHEN A THUNDERSTORM
APPROACHES YOUR AREA...GET INDOORS AND STAY AWAY FROM WINDOWS. DO NOT
USE ELECTRICAL APPLIANCES DURING A THUNDERSTORM AND ONLY USE THE
TELEPHONE IF IT IS AN EMERGENCY.
Special weather statement, Jun 28, 1:31 PM EDT, 1 hour 5 minutes before
MIZ041-281900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUGHTON LAKE MI
130 PM EDT TUE JUN 1281994

...A THUNDERSTORM WAS DEVELOPING IN SOUTHWEST GLADWIN COUNTY...

AT 125 PM EDT...RADAR INDICATED A DEVELOPING THUNDERSTORM IN
SOUTHWEST GLADWIN COUNTY JUST SOUTH OF BEAVERTON OR 30 MILES
SOUTHEAST OF HOUGHTON LAKE. MOVEMENT WAS NORTHEAST AT 20 MPH WHICH
WOULD PLACE THE STORM IN AN AREA OF WIXOM LAKE BY 200 PM.

LOCALLY HEAVY RAINFALL CAN BE EXPECTED IN ITS PATH...AS WELL AS
FREQUENT CLOUD TO GROUND LIGHTNING AND HAIL. WHEN A THUNDERSTORM
APPROACHES YOUR AREA...GET INDOORS AND STAY AWAY FROM WINDOWS. DO NOT
USE ELECTRICAL APPLIANCES DURING A THUNDERSTORM AND ONLY USE THE
TELEPHONE IF IT IS AN EMERGENCY.
Special weather statement, Jun 28, 2:08 PM EDT, 28 minutes before
MIZ016>019-023-024-029-030-036-042-509-514-282010-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALPENA MI
208 PM EDT TUE JUN 28 1994

...STRONG THUNDERSTORMS WERE RAPIDLY DEVELOPING...

AT 204 PM EDT...RADAR SHOWED STRONG THUNDERSTORMS RAPIDLY DEVELOPING
FROM WOLVERINE TO LEWISTON MOVING EAST AT 25 MILES AN HOUR. BY
300 PM...THESE STORMS WILL BE FROM ONAWAY TO BETWEEN ATLANTA AND
HILLMAN.

ALSO...A VERY STRONG THUNDERSTORM WITH SOME HAIL WILL MOVE INTO
ARENAC COUNTY BETWEEN ATLANTA AND STANDISH...NEAR ALGER BY 245 PM AS IT
MOVES NORTHEAST AT 25 MILES AN HOUR.

ALL OF THESE THUNDERSTORMS ARE DANGEROUS...SO MOVE INDOORS IMMEDIATELY
IF YOU ARE IN THE PATH OF THEM.

HELGESON
Special weather statement, Jun 28, 2:08 PM EDT, 28 minutes before
MIZ016>019-023-024-029-030-036-042-509-514-282010-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALPENA MI
208 PM EDT TUE JUN 28 1994

...STRONG THUNDERSTORMS WERE RAPIDLY DEVELOPING...

AT 204 PM EDT...RADAR SHOWED STRONG THUNDERSTORMS RAPIDLY DEVELOPING
FROM WOLVERINE TO LEWISTON MOVING EAST AT 25 MILES AN HOUR. BY
300 PM...THESE STORMS WILL BE FROM ONAWAY TO BETWEEN ATLANTA AND
HILLMAN.

ALSO...A VERY STRONG THUNDERSTORM WITH SOME HAIL WILL MOVE INTO
ARENAC COUNTY BETWEEN ATLANTA AND STANDISH...NEAR ALGER BY 245 PM AS IT
MOVES NORTHEAST AT 25 MILES AN HOUR.

ALL OF THESE THUNDERSTORMS ARE DANGEROUS...SO MOVE INDOORS IMMEDIATELY
IF YOU ARE IN THE PATH OF THEM.

HELGESON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 5:06 PM EDTSevere Thunderstorm WarningAPXEmmet69 min
Jun 28, 5:51 PM EDTSevere Thunderstorm WarningAPXCheboygan, Presque Isle54 min
Jun 28, 6:47 PM EDTSevere Thunderstorm WarningAPXCheboygan, Presque Isle43 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.