Alert archive / Michigan / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 35, NWS Gaylord, MI

July 6, 1994Arenac County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jul 6, 1994, 6:57 PM EDT for Arenac County, Michigan. It was in force for 34 min.

The area

The counties it named.

The facts

Issued
Jul 6, 1994, 6:57 PM EDT (22:57 UTC)
Expired
Jul 6, 1994, 7:31 PM EDT
In force
34 min
Issued by
NWS Gaylord, MI
Area
Whole counties

County Arenac County, MI

The nearest sounding before it

Detroit, MI (KFNT), launched 12:00Z, 11.0 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 1994-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1873 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 1994-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.1939Sfc1 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
1873 J/kg
Mixed-layer CIN
-118 J/kg
Mixed-layer LCL
1033 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KAPN 062259 RRA
SVRAPN
MIC011-070000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALPENA MI
657 PM EDT WED JUL 6 1994
 
THE NATIONAL WEATHER SERVICE IN ALPENA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 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 655 PM EDT...3 REPORTS OF FUNNEL CLOUDS WERE RECEIVED IN THE VICINITY
OF STANDISH. WE ARE CLOSELY MONITORING THIS STORM FOR TORNADIC
DEVELOPMENT. THIS STORM WAS MOVING EAST AT 20 MILES AN HOUR AND WILL
REACH THE SAGINAW BAY BY 720 PM EDT. THIS STORM WILL PASS SOUTH OF OMER
AND AU GRES. RADAR ALSO INDICATED THIS STORM WILL LIKELY PRODUCE HAIL
3/4 INCH OR LARGER.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

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, Jul 6, 5:19 PM EDT, 1 hour 38 minutes before
MIZ028-034-035-062215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUGHTON LAKE MI
519 PM EDT WED JUL 6 1994

...THUNDERSTORMS WERE GRADUALLY MOVING INTO WEST PORTIONS OF NORTH
CENTRAL LOWER MICHIGAN...

AT 515 PM EDT...NATIONAL WEATHER SERVICE RADAR OUT OF HOUGHTON LAKE
INDICATED AN EXPANDING LINE OF THUNDERSTORMS EXTENDING FROM ABOUT 25
MILES SOUTH OF ALPENA TO 20 MILES SOUTHWEST OF CADILLAC. THE STRONGEST
STORM WAS LOCATED OVER THE VILLAGE OF ROSCOMMON. THIS STORM WAS MOVING
SLOWLY TO THE EAST AT 10 MPH...WHILE THE MAIN LINE OF THUNDERSTORMS WAS
NEARLY STATIONARY. PEOPLE IN SOUTHERN CRAWFORD COUNTY...NORTHERN OGEMAW
COUNTY...AND NORTHERN ROSCOMMON COUNTY CAN EXPECT THESE THUNDERSTORMS TO
LINGER FOR THE NEXT HOUR OR SO...BRINGING LOCALLY HEAVY RAINS...
DANGEROUS CLOUD TO GROUND LIGHTNING...GUSTY WINDS...AND POSSIBLY SMALL
HAIL. THIS WOULD INCLUDE THE COMMUNITIES OF ROSCOMMON...ROSE CITY...AS
WELL AS THE HOUGHTON LAKE/HIGGINS LAKE AREAS.

IF YOU SEE A THUNDERSTORM APPROACH YOUR AREA...GET INSIDE A STURDY
BUILDING IMMEDIATELY AND STAY AWAY FROM WINDOWS.

HURLEY

NNNN
Special weather statement, Jul 6, 5:46 PM EDT, 1 hour 11 minutes before
MIZ042-062350-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALPENA MI
546 PM EDT WED JUL 6 1994

...A FUNNEL CLOUD WAS REPORTED AT 540 PM EDT...

AT 540 PM EDT...A SPOTTER JUST SOUTH OF STERLING REPORTED A FUNNEL
CLOUD. THE NATIONAL WEATHER SERVICE IS CLOSELY MONITORING THIS STORM
FOR SIGNS OF TORNADIC DEVELOPMENT. THIS THUNDERSTORM WAS MOVING SLOWLY
SOUTHEAST AT 10 MPH. IT WILL BE MOVING NEAR OMER BY 610 PM AND AU GRES
BY 640.

THIS STORM WILL LIKELY PRODUCE TORRENTIAL RAIN...DEADLY LIGHTNING...AND
POSSIBLY SMALL HAIL AND GUSTY WINDS. IF YOU SEE SIGNS OF THREATENING
WEATHER...MOVE INTO A STURDY SHELTER.

HELGESON
Special weather statement, Jul 6, 6:10 PM EDT, 47 minutes before
MIZ030-024-042-036-029-023-070015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALPENA MI
610 PM EDT WED JUL 6 1994

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR A PART OF NORTHEAST
LOWER MICHIGAN AND A PART EAST CENTRAL LOWER MICHIGAN...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THE FOLLOWING COUNTIES
OF NORTHEAST AND EAST CENTRAL LOWER MICHIGAN...ARENAC...ALCONA...
IOSCO...AND OSCODA COUNTIES. THIS WATCH IS IN EFFECT UNTIL MIDNIGHT EDT
THIS WEDNESDAY NIGHT.

AT 608 PM EDT...RADAR INDICATED THUNDERSTORMS FROM SOUTH OF ALPENA
EXTENDING SOUTHEAST PAST HOUGHTON LAKE. THE STORMS WERE MOVING SLOWLY
EAST AT 15 MILES AN HOUR. THESE STORMS AND ANY STORMS THAT DEVELOP OVER
THE WATCH AREA ARE CAPABLE OF PRODUCING LARGE...DAMAGING
HAIL...DESTRUCTIVE WINDS...AND DEADLY LIGHTNING.

THUNDERSTORMS WILL CONTINUE OVER THESE SAME AREAS UNTIL AT LEAST 800
PM BECAUSE THEY EXTEND SO FAR TO THE SOUTHWEST. SOME MINOR LOCAL FLOODINMAY ALSO OCCUR.

REMEMBER...SEVERE THUNDERSTORMS SOMETIMES PRODUCE TORNADOES...SO IF SEE
THREATENING WEATHER APPROACHING MOVE TO THE LOWEST PLACE OF YOUR
RESIDENCE AND GET UNDER A STURDY PIECE OF FURNITURE.

HELGESON
Special weather statement, Jul 6, 6:12 PM EDT, 45 minutes before
MIZ030-024-042-036-029-023-070015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALPENA MI
610 PM EDT WED JUL 6 1994

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR A PART OF NORTHEAST
LOWER MICHIGAN AND A PART EAST CENTRAL LOWER MICHIGAN...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THE FOLLOWING COUNTIES
OF NORTHEAST AND EAST CENTRAL LOWER MICHIGAN...ARENAC...ALCONA...
IOSCO...AND OSCODA COUNTIES. THIS WATCH IS IN EFFECT UNTIL MIDNIGHT EDT
THIS WEDNESDAY NIGHT.

AT 608 PM EDT...RADAR INDICATED THUNDERSTORMS FROM SOUTH OF ALPENA
EXTENDING SOUTHEAST PAST HOUGHTON LAKE. THE STORMS WERE MOVING SLOWLY
EAST AT 15 MILES AN HOUR. THESE STORMS AND ANY STORMS THAT DEVELOP OVER
THE WATCH AREA ARE CAPABLE OF PRODUCING LARGE...DAMAGING
HAIL...DESTRUCTIVE WINDS...AND DEADLY LIGHTNING.

THUNDERSTORMS WILL CONTINUE OVER THESE SAME AREAS UNTIL AT LEAST 800
PM BECAUSE THEY EXTEND SO FAR TO THE SOUTHWEST. SOME MINOR LOCAL FLOODIXNMAY ALSO OCCUR.

REMEMBER...SEVERE THUNDERSTORMS SOMETIMES PRODUCE TORNADOES...SO IF SEE
THREATENING WEATHER APPROACHING MOVE TO THE LOWEST PLACE OF YOUR
RESIDENCE AND GET UNDER A STURDY PIECE OF FURNITURE.

HELGESON
Special weather statement, Jul 6, 6:18 PM EDT, 39 minutes before
MIZ030-024-042-036-029-023-070015-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE ALPENA MI
618 PM EDT WED JUL 6 1994

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR A PART OF NORTHEAST
LOWER MICHIGAN AND A PART EAST CENTRAL LOWER MICHIGAN...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THE FOLLOWING COUNTIES
OF NORTHEAST AND EAST CENTRAL LOWER MICHIGAN...ARENAC...ALCONA...
IOSCO...AND OSCODA COUNTIES. THIS WATCH IS IN EFFECT UNTIL MIDNIGHT EDT
THIS WEDNESDAY NIGHT.

AT 608 PM EDT...RADAR INDICATED THUNDERSTORMS FROM SOUTH OF ALPENA
EXTENDING SOUTHWEST PAST HOUGHTON LAKE. THE STORMS WERE MOVING SLOWLY
EAST AT 15 MILES AN HOUR. THESE STORMS AND ANY STORMS THAT DEVELOP OVER
THE WATCH AREA ARE CAPABLE OF PRODUCING LARGE...DAMAGING
HAIL...DESTRUCTIVE WINDS...AND DEADLY LIGHTNING.

THUNDERSTORMS WILL CONTINUE OVER THESE SAME AREAS UNTIL AT LEAST 800
PM BECAUSE THEY EXTEND SO FAR TO THE SOUTHWEST. SOME MINOR LOCAL
FLOODING MAY ALSO OCCUR. SEVERE THUNDERSTORMS MAY DEVELOP ANYWHERE IN
THE WATCH AREA UNTIL MIDNIGHT EDT.

REMEMBER...SEVERE THUNDERSTORMS SOMETIMES PRODUCE TORNADOES...SO IF SEE
THREATENING WEATHER APPROACHING MOVE TO THE LOWEST PLACE OF YOUR
RESIDENCE AND GET UNDER A STURDY PIECE OF FURNITURE.

HELGESON
Special weather statement, Jul 6, 6:20 PM EDT, 37 minutes before
MIZ030-024-042-036-029-023-070015-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE ALPENA MI
618 PM EDT WED JUL 6 1994

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR A PART OF NORTHEAST
LOWER MICHIGAN AND A PART EAST CENTRAL LOWER MICHIGAN...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THE FOLLOWING COUNTIES
OF NORTHEAST AND EAST CENTRAL LOWER MICHIGAN...ARENAC...ALCONA...
IOSCO...AND OSCODA COUNTIES. THIS WATCH IS IN EFFECT UNTIL MIDNIGHT EDT
THIS WEDNESDAY NIGHT.

AT 608 PM EDT...RADAR INDICATED THUNDERSTORMS FROM SOUTH OF ALPENA
EXTENDING SOUTHWEST PAST HOUGHTON LAKE. THE STORMS WERE MOVING SLOWLY
EAST AT 15 MILES AN HOUR. THESE STORMS AND ANY STORMS THAT DEVELOP OVER
THE WATCH AREA ARE CAPABLE OF PRODUCING LARGE...DAMAGING
HAIL...DESTRUCTIVE WINDS...AND DEADLY LIGHTNING.

THUNDERSTORMS WILL CONTINUE OVER THESE SAME AREAS UNTIL AT LEAST 800
PM BECAUSE THEY EXTEND SO FAR TO THE SOUTHWEST. SOME MINOR LOCAL
FLOODING MAY ALSO OCCUR. SEVERE THUNDERSTORMS MAY DEVELOP ANYWHERE IN
THE WATCH AREA UNTIL MIDNIGHT EDT.

REMEMBER...SEVERE THUNDERSTORMS SOMETIMES PRODUCE TORNADOES...SO IF SEE
THREATENING WEATHER APPROACHING MOVE TO THE LOWEST PLACE OF YOtUR
RESIDENCE AND GET UNDER A STURDY PIECE OF FURNITURE.

HELGESON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 8:44 PM EDTSevere Thunderstorm WarningAPXMontmorency61 min
Jul 5, 8:57 PM EDTSevere Thunderstorm WarningAPXOscoda63 min
Jul 5, 9:26 PM EDTSevere Thunderstorm WarningAPXAlcona, Alpena64 min
Jul 5, 9:34 PM EDTTornado WarningAPXAlpena, Presque Isle41 min
Jul 5, 9:59 PM EDTSevere Thunderstorm WarningAPXOscoda61 min
Jul 5, 10:09 PM EDTSevere Thunderstorm WarningAPXIosco66 min
Jul 5, 11:19 PM EDTSevere Thunderstorm WarningAPXIosco56 min
Jul 6, 3:44 PM EDTSevere Thunderstorm WarningAPXMissaukee31 min
Jul 6, 4:23 PM EDTSevere Thunderstorm WarningAPXAlcona67 min
Jul 6, 5:17 PM EDTSevere Thunderstorm WarningAPXIosco88 min
Jul 6, 5:37 PM EDTSevere Thunderstorm WarningAPXOsceola, Wexford68 min
Jul 6, 5:57 PM EDTSevere Thunderstorm WarningAPXArenac63 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.