Alert archive / Michigan / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 47, NWS Gaylord, MI

August 19, 1994Muskegon County, Newaygo County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Aug 19, 1994, 8:56 PM EDT for Muskegon County, Newaygo County, Michigan. It was in force for 49 min.

The area

The counties it named.

The facts

Issued
Aug 19, 1994, 8:56 PM EDT (00:56 UTC)
Expired
Aug 19, 1994, 9:45 PM EDT
In force
49 min
Issued by
NWS Gaylord, MI
Area
Whole counties

Counties Muskegon County, MI, Newaygo County, MI

The nearest sounding before it

Detroit, MI (KFNT), launched 00:00Z, 0.9 hours before the alert went out and 222 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 00:00Z on 1994-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1388 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 00:00Z on 1994-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
1388 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
1124 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KMKG 200057 RRA
SVRMKG
MIC121-123-200145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MUSKEGON MI
856 PM EDT FRI AUG 19 1994
 
THE NATIONAL WEATHER SERVICE IN MUSKEGON MI  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  945 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL LOWER MICHIGAN
 
   ...SOUTHERN MUSKEGON COUNTY...SOUTHERN NEWAYGO COUNTY
 
AND THE ADJACENT COASTAL WATERS OF LAKE MICHIGAN.
 
 
AT 850 PM EDT RADAR INDICATED A SEVERE THUNDERSTORM OVER SOUTHWEST
MUSKEGON COUNTY SOUTH OF MUSKEGON MOVING TO THE NORTHEAST AT 40 MPH.
THIS STORM WILL MOVE TO NORTHWEST OF RAVENNA BY 905 PM AND TO NEAR
NEWAYGO BY 915 PM.
 
THIS THUNDERSTORM PRODUCED WIND GUSTS TO 60 MPH AS IT MOVED BY THE
GRAND HAVEN AIRPORT.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
 
 
&

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 19, 7:27 PM EDT, 1 hour 29 minutes before
MIZ007-008-200130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAULT STE MARIE MI
727 PM EDT FRI AUG 19 1994

...STRONG THUNDERSTORM NORTH OF NEWBERRY...

AT 725 PM A STRONG THUNDERSTORM WAS LOCATED OVER DEER PARK...OR
ABOUT 25 MILES NORTH OF NEWBERRY...ON THE LAKE SUPERIOR SHORE IN
LUCE COUNTY.  THIS THUNDERSTORM WILL MOVE TO THE EAST AT ABOUT 25
MILES AN HOUR BRINGING IT JUST NORTH OF THE TAHQUAMENON FALLS STATE
PARK BETWEEN 800 AND 830 PM THIS EVENING.  THE STORM WILL PASS
BETWEEN PARADISE AND WHITEFISH POINT AND INTO WHITEFISH BAY AROUND
900 PM THIS EVENING.

THIS STORM CONTAINS VERY HEAVY RAIN...DANGEROUS LIGHTNING...SMALL
HAIL AND GUSTY WINDS.  CAMPERS NEAR THE LITTLE TWO HEARTED
LAKES...BETSY AND SHEEPHEAD LAKES...ANDRUS LAKE AND THE WHITEFISH
POINT ROAD SHOULD PREPARE FOR THIS STORM BY SEEKING SHELTER IN A
STRONG REINFORCED BUILDING.

L. WILLETTE
Special weather statement, Aug 19, 8:21 PM EDT, 35 minutes before
MIZ007-008-200135-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAULT STE MARIE MI
821 PM EDT FRI AUG 19 1994

...STRONG THUNDERSTORM HAS MOVED INTO LAKE SUPERIOR...

AT 820 PM THE STRONG THUNDERSTORM THAT WAS ON THE LAKE SUPERIOR
SHORELINE OF LUCE AND CHIPPEWA COUNTIES HAS MOVED INTO LAKE
SUPERIOR NORTH OF WHITEFISH POINT.  THIS STORM NO LONGER PRESENTS A
DANGER TO PERSONS NEAR TAHQUAMENON FALLS...PARADISE OR WHITEFISH
POINT.

OTHER THUNDERSTORMS ARE POSSIBLE LATER TONIGHT IN EAST UPPER
MICHIGAN.  STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER
INFORMATION.

L. WILLETTE
Special weather statement, Aug 19, 8:24 PM EDT, 32 minutes before
MIZ040-041-200130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUGHTON LAKE MI
824 PM EDT FRI AUG 19 1994

...THUNDERSTORMS MOVING THROUGH NORTH CLARE COUNTY...

AT 820 PM EDT WEATHER RADAR INDICATED A STRONG THUNDERSTORM OVER
NORTHERN CLARE 3 MILES SOUTH OF THE CLARE AND ROSCOMMON COUNTY LINE...
ABOUT 7 MILES NORTH OF THE TOWN OF HARRISON. THIS THUNDERSTORM WAS
MOVING TO THE EAST AT 35 MPH AND WILL PASS OVER THE TOWN OF MEREDITH...
ON THE CLARE AND GLADWIN COUNTY LINES BY 835 PM EDT.

PERSONS BETWEEN THE TOWNS OF LEOTA IN CLARE COUNTY AND MEREDITH IN
NORTHWEST GLADWIN COUNTY SHOULD MOVE INDOORS IMMEDIATELY...STAY AWAY
FROM DOORS AND WINDOWS AND ONLY USE THE TELEPHONE IN AN EMERGENCY.
THIS THUNDERSTORM WILL PRODUCE SMALL HAIL...STRONG GUSTY WINDS...BRIEF
HEAVY RAINS AND FREQUENT DEADLY LIGHTNING AS IT PASSES OVERHEAD.

KEITH

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 9:23 PM EDTSevere Thunderstorm WarningAPXMecosta52 min
Aug 19, 10:35 PM EDTSevere Thunderstorm WarningAPXAlcona, Iosco55 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.