Alert archive / Michigan / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 5, NWS Gaylord, MI

June 30, 1990Missaukee County, Wexford County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jun 30, 1990, 2:02 AM EDT for Missaukee County, Wexford County, Michigan. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jun 30, 1990, 2:02 AM EDT (06:02 UTC)
Expired
Jun 30, 1990, 3:00 AM EDT
In force
58 min
Issued by
NWS Gaylord, MI
Area
Whole counties

Counties Missaukee County, MI, Wexford County, MI

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 6.0 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, Green Bay/Straub, WI at 00:00Z on 1990-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2871 joules per kilogram.LCLEL10008507005003002001001 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, Green Bay/Straub, WI at 00:00Z on 1990-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
2871 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
897 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMKG 300602
SVRMKG
MIC165-113-300700-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE MUSKEGON MI
202 AM EDT SAT JUN 30 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 300 AM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTHWEST PART OF LOWER MICHIGAN
      WEXFORD...

   IN THE NORTH CENTRAL PART OF LOWER MICHIGAN
      MISSAUKEE...

AT 155AM EDT WEATHER RADAR DETECTED A SEVERE THUNDERSTORM JUST
SOUTH OF THE TOWN OF HARRIETTA IN WESTERN WEXFORD COUNTY MOVING
SOUTHEAST AT 35 MILES AN HOUR.

IF YOU ARE IN THE PATH OF THIS STORM.....GO TO A BASEMENT SHELTER IF
AVAILABLE...OTHERWISE GO TO A CENTRAL INTERIOR ROOM ON THE LOWEST
FLOOR. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING.

 SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH
 ...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR
 YOUR PROTECTION MOVE TO AN IbNTERIOR ROOM ON THE LOWEST FLOOR OF
 YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DONT
 DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

 SMITH

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 30, 12:07 AM EDT, 1 hour 55 minutes before
MIZ045-043-044-046-047-063 300402

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUGHTON LAKE MI
1202 AM EDT SAT JUN 30 1990

...STRONG THUNDERSTORMS MOVING TOWARDS HOUGHTON LAKE...

AT 1200 MIDNIGHT WEATHER RADAR AT HOUGHTON LAKE INDICATED AN AREA
OF VERY STRONG THUNDERSTORMS ABOUT 25 MILES NORTHWEST OF HOUGHTON
LAKE. THE STRONGEST STORMS ARE CURRENTLY ABOUT 45 MILES NORTHWEST
OF HOUGHTON LAKE AND ARE MOVING SOUTHEAST AT ABOUT 35 MILES AN
HOUR.

PERSONS IN ROSCOMMON AND CRAWFORD COUNTIES SHOULD BE ESPECIALLY
ALERT DURING THE NEXT SEVERAL HOURS FOR THESE THUNDERSTORMS AS
THEY WILL PRODUCE VERY HEAVY RAINS...DANGEROUS LIGHTNING AND
STRONG GUSTY WINDS AS THEY PASS THROUGH THE AREA.

BOATERS ON HOUGHTON LAKE TONIGHT SH0ULD MOVE TO THE SAFETY OF THE
SHORE IMMEDIATELY AS THESE DANGEROUS STORMS WILL REACH THE HOUGHTON
LAKE AREA IN THE NEXT TWENTY MINUTES TO HALF HOUR.

KEITH DICKS
Special weather statement, Jun 30, 12:45 AM EDT, 1 hour 17 minutes before
MIZ045-043-044-046-047-063 300402

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUGHTON LAKE MI
1240 AM EDT SAT JUN 30 1990

...STRONG THUNDERSTORMS MOVING TOWARDS HOUGHTON LAKE...

AT 1230 AM EDT WEATHER SERVICE RADAR FROM HOUGHTON LAKE INDICATED
AN AREA OF VERY STRONG THUNDERSTORMS FROM 20 MILES NORTHWEST OF
HOUGHTON LAKE TO GRAND TRAVERSE BAY. MOVEMENT IS EAST TO SOUTHEAST
AT 30 TO 35 MILES AN HOUR.

PERSONS IN NORTHWEST AND NORTHCENTRAL LOWER MICHIGAN SHOULD
BE ON THE ALERT FOR THESE STRONG STORMS AS THEY WILL PRODUCE VERY
HEAVY RAINS...DANGEROUS LIGHTNING AND STRONG GUSTY WINDS AS THEY PASS
THROUGH THE AREA.

BOATERS ON HOUGHTON LAKE TON IGHT SH0ULD MOVE TO THE SAFETY OF THE
SHORE IMMEDIATELY AS THESE DANGEROUS STORMS WILL REACH THE HOUGHTON
LAKE AREA IN THE NEXT 15 TO 20 MINUTES.

KEITH DICKS
Special weather statement, Jun 30, 1:22 AM EDT, 40 minutes before
MIZ045-043-044-046-047-063 300402

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUGHTON LAKE MI
118 AM EDT SAT JUN 30 1990

...STRONG THUNDERSTORMS ENTERING NORTHCENTRAL LOWER MICHIGAN...

AT 115 AM EDT WEATHER SERVICE RADAR FROM HOUGHTON LAKE INDICATED AN
AREA OF VERY STRONG THUNDERSTORMS FROM 10 MILES NORTHWEST OF HOUGHTON
LAKE TO GRAND TRAVERSE BAY. MOVEMENT IS EAST TO SOUTHEAST AT 30 TO 35
MILES AN HOUR.

A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR PERSONS IN PORTIONS
OF NORTHWEST LOWER MICHIGAN AND THESE SAME STORMS ARE MOVING
TOWARDS HOUGHTON LAKE AT THIS TIME. POTENTIALLY SEVERE THUNDERSTORMS
STRONG GUSTY WINDS...HEAVY RAINS AND DEADLY LIGHTNING ARE
ACCOMP=ANYING THESE STORMS.

PERSONS SHOULD BE ALERT FOR SEVERE WEATHER FOR THE NEXT SEVERAL HOURS
AND BE PREPARED TO SEEK COVER IMMEDIATELY SHOULD SEVERE WEATHER
THREATEN.

KEITH DICKS
Special weather statement, Jun 30, 1:42 AM EDT, 20 minutes before
MIZ045-043-044-046-047-063 300402

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUGHTON LAKE MI
137 AM EDT SAT JUN 30 1990

...SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 7 AM EDT...

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF NORTHERN
LOWER MICHIGAN UNTIL 7 AM EDT THIS SATURDAY MORNING. COUNTIES
INCLUDED IN THE WATCH ARE...CLARE..CRAWFORD..GLADWIN..OGEMAW..
OSCODA AND ROSCOMMON.

WEATHER RADAR CURRENTLY INDICATES POTENTIALLY SEVERE THUNDERSTORMS
OCCURING IN WEXFORD COUNTY WITH OTHER VERY STRONG THUNDERSTORMS
MOVING TOWARDS HOUGHTON LAKE AND CRAWFORD COUNTIES AT ABOUT
35 MILES AN HOUR.

PERSONS IN THE WATCH AREA ARE URGED TO REMAIN ALERT TO RAPIDLY
DEVELOPING SEVERE WEATHER. STRONG GUSTY WINDS...LARGE HAIL..
HEAVY RAINS AND DANGEROUS LIGHTNING CAN BE EXPETCTED. THE POSSIBILITY
OF TORNADOES EXISTS WITH SEVERE THUNDERSTORMS ALSO.

FOR THE LATEST WEATHER UPDATES PLEASE STAY TUNED TO LOCAL
RADIO AND TELEVISION SITATIONS.

KEITH DICKS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 1:03 AM EDTSevere Thunderstorm WarningAPXBenzie, Grand Traverse, Manistee, Wexford57 min
Jun 30, 1:18 AM EDTSevere Thunderstorm WarningAPXManistee57 min
Jun 30, 2:22 AM EDTSevere Thunderstorm WarningAPXLake, Manistee, Mason68 min
Jun 30, 3:52 AM EDTSevere Thunderstorm WarningAPXMuskegon, Oceana68 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1990Every severe thunderstorm warning in 1990

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.