Alert archive / Michigan / Tornado Warnings in 1991

Tornado Warning 3, NWS Gaylord, MI

May 28, 1991Mason County, Oceana County, Michigan

NWS Gaylord, MI issued this tornado warning at May 28, 1991, 8:13 PM EDT for Mason County, Oceana County, Michigan. It was in force for 22 min.

The area

The counties it named.

The facts

Issued
May 28, 1991, 8:13 PM EDT (00:13 UTC)
Expired
May 28, 1991, 8:35 PM EDT
In force
22 min
Issued by
NWS Gaylord, MI
Area
Whole counties

Counties Mason County, MI, Oceana County, MI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.2 hours before the alert went out and 156 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 1991-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1991-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
381 m²/s²
Significant tornado parameter
0.0
Supercell composite
11.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMKG 290013
TORMKG
MIC105-127-290115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO AND SPECIAL MARINE WARNING 
NATIONAL WEATHER SERVICE MUSKEGON MI
813 PM EDT TUE MAY 28 1991

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO AND SPECIAL 
MARINE WARNING EFFECTIVE UNTIL 915 PM EDT FOR PEOPLE IN THE 
FOLLOWING COUNTIES

   IN THE WEST CENTRAL PART OF LOWER MICHIGAN
      MASON...NORTHERN OCEANA

...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE
COUNTIES JUST MENTIONED

AT  800 PM EDT A CONFIRMED TORNADO WAS REPORTED WEST OF HART.
RADAR INDICATES THE STORM PRODUCING THE TORNADO WAS MOVING EAST
AT 20 MPH.

IF YOU ARE IN THE PATH OF THIS TORNADO...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.

THIS IS A DANGEROUS STORM. TAKE COVER IMMEDIATELY.

BOLEN

What forecasters said that day

The local office's own words before this tornado 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, May 28, 5:13 PM EDT, 3 hours before
MIZ043-044-045-046-047-063-282200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUGHTON LAKE MI
510 PM EDT TUE MAY 28 1991

...SEVERE THUNDERSTORMS OVER OTSEGO COUNTY...

AT 510 PM EDT...TWO SEVERE THUNDERSTORMS WERE NEAR GAYLORD IN
OTSEGO COUNDY. ONE WAS 5 MILES NORTHEAST AND THE OTHER WAS 10 MILES
SOUTHWEST. BOTH WERE MOVING EAST AT 45 TO 50 MPH.

IF YOU HAVE NOT TAKEN COVER YET...DO IT NOW.
LH

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 6:46 AM EDTSevere Thunderstorm WarningAPXCharlevoix44 min
May 29, 7:52 AM EDTSevere Thunderstorm WarningAPXMontmorency53 min
May 29, 8:15 AM EDTSevere Thunderstorm WarningAPXAlpena45 min
May 29, 9:07 AM EDTTornado WarningAPXIosco23 min

Nearby

Tornado Warnings in Michigan, 1991Every tornado warning in 1991Tornadoes in 1991

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.