Alert archive / Michigan / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 9, NWS Gaylord, MI

July 27, 1993Muskegon County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jul 27, 1993, 11:37 PM EDT for Muskegon County, Michigan. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Jul 27, 1993, 11:37 PM EDT (03:37 UTC)
Expired
Jul 28, 1993, 12:30 AM EDT
In force
53 min
Issued by
NWS Gaylord, MI
Area
Whole counties

County Muskegon County, MI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 3.6 hours before the alert went out and 206 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 1993-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 262 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, Green Bay/Straub, WI at 00:00Z on 1993-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
262 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
1008 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
155 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 
WUUS1 KMKG 280338 RRA
SVRMKG
MIC121-MIZ901-280430-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MUSKEGON MI
1137 PM EDT TUE JUL 27 1993
 
THE NATIONAL WEATHER SERVICE IN MUSKEGON MI  HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL 1230 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL LOWER MICHIGAN
 
   ...MUSKEGON COUNTY
 
  AND FOR MARINE INTERESTS ON COASTAL WATERS FROM..
 
  ...GRAND HAVEN TO MUSKEGON...
 
AT 1138 PM EDT... WEATHER RADAR SHOWED A POSSIBLE SEVERE THUNDERSTORM
OVER LAKE MICHIGAN...15 MILES WEST OF MUSKEGON. THE THUNDERSTORM WAS
MOVING TO THE EAST AT 35 MILES AN HOUR AND WILL REACH MUSKEGON... NORTON
SHORES AND NORTH MUSKEGON BY 12 AM.
 
 
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.
BUSHONG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 3:24 PM EDTSevere Thunderstorm WarningAPXLuce, Mackinac66 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1993Every severe thunderstorm warning in 1993

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.