Alert archive / Michigan / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 4, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Jun 30, 1990, 1:18 AM EDT for Manistee County, Michigan. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- Jun 30, 1990, 1:18 AM EDT (05:18 UTC)
- Expired
- Jun 30, 1990, 2:15 AM EDT
- In force
- 57 min
- Issued by
- NWS Gaylord, MI
- Area
- Whole counties
County Manistee County, MI
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 5.3 hours before the alert went out and 147 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
- 2871 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 897 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMKG 300518
SVRMKG
MIC101-300615-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MUSKEGON MI
118 AM EDT SAT JUN 30 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 215 AM EDT FOR
PEOPLE IN THE FOLLOWING COUNTY
IN THE NORTHWEST PART OF LOWER MICHIGAN
WESTERN MANISTEE
...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE
COUNTY JUST MENTIONED
AT 110AM EDT WEATHER RADAR DETECTED A SEVERE THUNDERSTORM 20
NORTHWEST OF THE TOWN OF MANISTEE. THE THUNDERSTORM WAS MOVING
SOUTHEAST AT 35 MILES AN HOUR.
IF YOU ARE IN THE PATH OF THIS STORM.....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.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS 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 DONT
DRIVE INTO AREAS WHERE WATER COVERS THE ROADS. BOATERS SHOULD
SEEK SAFE HARBOR IMMEDIATELY;.
SMITHWhat 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, Jun 30, 12:07 AM EDT, 1 hour 11 minutes before
MIZ045-043-044-046-047-063 300402 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUGHTON LAKE MI 1202 AM EDT SAT JUN 30 1990 ...STRONG THUNDERSTORMS MOVING TOWARDS HOUGHTON LAKE... AT 1200 MIDNIGHT WEATHER RADAR AT HOUGHTON LAKE INDICATED AN AREA OF VERY STRONG THUNDERSTORMS ABOUT 25 MILES NORTHWEST OF HOUGHTON LAKE. THE STRONGEST STORMS ARE CURRENTLY ABOUT 45 MILES NORTHWEST OF HOUGHTON LAKE AND ARE MOVING SOUTHEAST AT ABOUT 35 MILES AN HOUR. PERSONS IN ROSCOMMON AND CRAWFORD COUNTIES SHOULD BE ESPECIALLY ALERT DURING THE NEXT SEVERAL HOURS FOR THESE THUNDERSTORMS AS THEY WILL PRODUCE VERY HEAVY RAINS...DANGEROUS LIGHTNING AND STRONG GUSTY WINDS AS THEY PASS THROUGH THE AREA. BOATERS ON HOUGHTON LAKE TONIGHT SH0ULD MOVE TO THE SAFETY OF THE SHORE IMMEDIATELY AS THESE DANGEROUS STORMS WILL REACH THE HOUGHTON LAKE AREA IN THE NEXT TWENTY MINUTES TO HALF HOUR. KEITH DICKS
Special weather statement, Jun 30, 12:45 AM EDT, 33 minutes before
MIZ045-043-044-046-047-063 300402 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUGHTON LAKE MI 1240 AM EDT SAT JUN 30 1990 ...STRONG THUNDERSTORMS MOVING TOWARDS HOUGHTON LAKE... AT 1230 AM EDT WEATHER SERVICE RADAR FROM HOUGHTON LAKE INDICATED AN AREA OF VERY STRONG THUNDERSTORMS FROM 20 MILES NORTHWEST OF HOUGHTON LAKE TO GRAND TRAVERSE BAY. MOVEMENT IS EAST TO SOUTHEAST AT 30 TO 35 MILES AN HOUR. PERSONS IN NORTHWEST AND NORTHCENTRAL LOWER MICHIGAN SHOULD BE ON THE ALERT FOR THESE STRONG STORMS AS THEY WILL PRODUCE VERY HEAVY RAINS...DANGEROUS LIGHTNING AND STRONG GUSTY WINDS AS THEY PASS THROUGH THE AREA. BOATERS ON HOUGHTON LAKE TON IGHT SH0ULD MOVE TO THE SAFETY OF THE SHORE IMMEDIATELY AS THESE DANGEROUS STORMS WILL REACH THE HOUGHTON LAKE AREA IN THE NEXT 15 TO 20 MINUTES. KEITH DICKS
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 1:03 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Grand Traverse, Manistee, Wexford | 57 min |
| Jun 30, 2:02 AM EDT | Severe Thunderstorm Warning | APX | Missaukee, Wexford | 58 min |
| Jun 30, 2:22 AM EDT | Severe Thunderstorm Warning | APX | Lake, Manistee, Mason | 68 min |
| Jun 30, 3:52 AM EDT | Severe Thunderstorm Warning | APX | Muskegon, Oceana | 68 min |
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; the sounding from the Mesonet's radiosonde archive.