Alert archive / Michigan / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 21, NWS Gaylord, MI

July 5, 1994Leelanau County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jul 5, 1994, 6:59 PM EDT for Leelanau County, Michigan. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Jul 5, 1994, 6:59 PM EDT (22:59 UTC)
Expired
Jul 5, 1994, 7:45 PM EDT
In force
46 min
Issued by
NWS Gaylord, MI
Area
Whole counties

County Leelanau County, MI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.0 hours before the alert went out and 179 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 12:00Z on 1994-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 70 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 1994-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
70 J/kg
Mixed-layer CIN
-344 J/kg
Mixed-layer LCL
910 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
35 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 
TTAA00 KMKG 052301
SVRMKG
MIC009-089-MIZ905-052345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MUSKEGON MI
659 PM EDT TUE JUL 5 1994
 
THE NATIONAL WEATHER SERVICE IN MUSKEGON MI  HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL  745 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST LOWER MICHIGAN
 
   ...WESTERN ANTRIM COUNTY...LEELANAU COUNTY
 
  AND FOR MARINE INTERESTS ON COASTAL WATERS FROM..
 
  ...NORTH PORT TO CHARLEVOIS INCLUDING GRAND TRAVERSE BAY...
 
AT 655 PM EDT... WEATHER RADAR INDICATED A SEVERE THUNDERSTORM JUST WEST
OF LELAND...20 MILES NORTHWEST OF TRAVERSE CITY. THIS STORM WAS MOVING
NORTHEAST AT 35 MPH AND WILL MOVE THROUGH THE COMMUNITY OF NORTHPORT BY
710 PM AND NORWOOD IN ANTRIM COUNTY BY 730 PM. RESIDENTS CAN EXPECT
WIND GUSTS TO 60 MPH AND VERY HEAVY RAIN WITH THE PASSAGE OF THIS STORM.
 
BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY!!
 
 
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.
 
 
THIS WARNING REPLACES THE SPECIAL MARINE WARNING THAT WAS PREVIOUSLY IN
EFFECT FOR THE NEARSHORE WATERS FROM POINT BETSIE TO CHARLEVOIX.
 
FELVER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 8:09 PM EDTSevere Thunderstorm WarningAPXAntrim, Grand Traverse51 min
Jul 4, 8:37 PM EDTSevere Thunderstorm WarningAPXMissaukee, Wexford68 min
Jul 4, 9:13 PM EDTSevere Thunderstorm WarningAPXCheboygan47 min
Jul 4, 10:25 PM EDTSevere Thunderstorm WarningAPXOscoda30 min
Jul 4, 10:31 PM EDTTornado WarningAPXOsceola34 min
Jul 4, 10:58 PM EDTSevere Thunderstorm WarningAPXMuskegon, Oceana47 min
Jul 4, 11:38 PM EDTSevere Thunderstorm WarningAPXNewaygo58 min
Jul 4, 11:51 PM EDTSevere Thunderstorm WarningAPXMecosta69 min
Jul 5, 12:10 AM EDTSevere Thunderstorm WarningAPXMissaukee65 min
Jul 5, 6:59 PM EDTSevere Thunderstorm WarningAPXAntrim46 min
Jul 5, 7:13 PM EDTSevere Thunderstorm WarningAPXKalkaska47 min
Jul 5, 7:47 PM EDTSevere Thunderstorm WarningAPXLake, Mason58 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.