Alert archive / Michigan / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 8, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Jul 4, 1990, 8:14 PM EDT for Muskegon County, Michigan. It was in force for 61 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 4, 1990, 8:14 PM EDT (00:14 UTC)
- Expired
- Jul 4, 1990, 9:15 PM EDT
- In force
- 61 min
- Issued by
- NWS Gaylord, MI
- Area
- Whole counties
County Muskegon County, MI
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 4, 8:15 PM EDT | Hail 1 | Muskegon, MI | |
| Jul 4, 9:00 PM EDT | Hail 1.75 | Muskegon, MI |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.2 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2093 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -41 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMKG 050014
SVRMKG
MIC121-050115-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MUSKEGON MI
814 PM EDT WED JUL 4 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 915 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE WEST CENTRAL PART OF LOWER MICHIGAN
MUSKEGON
AT 8 PM 1/2 TO 3/4 INCH HAIL WAS REPORTED OVER THE CITY OF
MUSKEGON.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 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, Jul 4, 7:18 PM EDT, 56 minutes before
MIZ045-043-044-046-047-050000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUGHTON LAKE MI 715 PM EDT WED JUL 04 1990 ...STRONG THUNDERSTORMS ARE RAPIDLY DEVELOPING WEST OF HOUGHTON/ HIGGINS LAKE... AT 715 PM EDT..THE HOUGHTON LAKE RADAR SHOWED STRONG THUNDERSTORMS DEVELOPING ABOUT 30 MILES DUE WEST OF HOUGHTON LAKE. THESE STORMS SHOULD MOVE STRAIGHT EAST AT ABOUT 30 TO 35 MILES AN HOUR. THIS WOULD PUT THEM IN THE HOUGHTON/HIGGINS LAKE uAREA BETWEEN 800 AND 830 PM THIS EVENING. EVERYONE SHOULD BE ALERT AND BOATERS SHOULD PREPARE TO MOVE TO SAFE HARBOR. THESE STORMS WILL PRODUCE GUSTY WIND...HEAVY RAINS AND DEADLY LIGHTING.
Special weather statement, Jul 4, 8:09 PM EDT, 5 minutes before
MIZ045-043-044-046-050030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUGHTON LAKE MI 805 PM EDT WED JUL 04 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 100 AM... AT 800 PM EDT...THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WERE OVER MISSAUKEE...ROSCOMMON...AND EXTREME NORTH CLARE COUNTIES...WITHIN 10 TO 25 MILES SOUTH AND SOUTHWEST OF HOUGHTON LAKE. THE THUNDERSTORMS WERE MOVING EAST ABOUT 25 MILES AN HOUR. PERSONS IN THE PATH OF THESE THUNDERSTORMS SHOULD BE ON THE LOOKOUT FOR DEADLY LIGHTNING...VERY HEAVY RAIN...LARGE HAIL AND DANGEROUS WIND GUSTS.
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.