Alert archive / Michigan / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 4, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Jul 8, 1990, 8:35 PM EDT for Otsego County, Michigan. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- Jul 8, 1990, 8:35 PM EDT (00:35 UTC)
- Expired
- Jul 8, 1990, 9:10 PM EDT
- In force
- 35 min
- Issued by
- NWS Detroit, MI
- Area
- Whole counties
County Otsego 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
Sault Ste Marie, MI (KSSM), launched 00:00Z, 0.6 hours before the alert went out and 163 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
- 585 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 88 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 KHTL 090041
SVRHTL
MIC137-090130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUGHTON LAKE MI
835 PM EDT SUN JUL 08 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 930 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN NORTH CENTRAL MICHIGAN
OTSEGO COUNTY
AT 835 PM EDT...RADAR INDICATES A SEVERE THUNDERSTORM OVER NORTHWEST
OTSEGO COUNTY ABOUT 10 MILES WEST OF GAYLORD. THE STORM IS MOVING
EAST SOUTHEAST ABOUT 35 MILES AN HOUR. THIS STORM PRODUCED A TORNADO
NEAR ELK LAKE IN ANTRIM COUNTY.
PEOPLE IN THE WARNED AREA SHOULD GET INTO A REINFORCED SHELTER AND
PREPARE FOR DAMAGING WINDS...LARGE HAIL...*VERY HEAVY RAIN AND
DANGEROUS LIGHTNING.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 8, 7:13 PM EDT, 1 hour 22 minutes before
MIZ001>068-090015-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ANN ARBOR MI
713 PM EDT SUN JUL 8 1990
...SEVERE THUNDERSTORM WATCH ISSUED FOR MUCH OF LOWER MICHIGAN...
SEVERE THUNDERSTORM WATCH NUMBER 605... ISSUED FOR MOST OF THE NORTH
THREE QUARTERS OF LOWER MICHIGAN... IS IN EFFECT UNTIL 12 MIDNIGHT EDT
TONIGHT.
THE WATCH IS IN EFFECT FOR THAT PART OF LOWER MICHIGAN WHICH IS
MAINLY...
NORTH OF A LINE THROUGH HOLLAND... LANSING... AND PONTIAC
AND SOUTH OF A LINE THROUGH CHARLEVOIX... AND PRESQUE ISLE.
IF YOU ARE IN OR NEAR THIS WATCH AREA... PLEASE STAY ALERT FOR THE
POSSIBILITY OF SEVERE THUNDERSTORMS TONIGHT.
MRKSpecial weather statement, Jul 8, 7:23 PM EDT, 1 hour 12 minutes before
MIZ026-031>034-036>039-042-090400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FLINT MI 720 PM EDT SUN JUL 8 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT TIL MIDNIGHT 1AM EDT... AT 630 PM... AN AREA OF SCATTERED THUNDERSTORMS WAS INDICATED BY RADAR FROM CENTRAL LAKE HURON... ACROSS THE THUMB... TO SOUTHWEST OF HOUGHTON LAKE... WITH THE STRONGEST STORMS OVER THE THUMB. MOVEMENT WAS EAST AROUND 45 MPH. LARGE HAIL... DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS ARE POSSIBLE AS THESE STORMS PASS. PEOPLE IN EAST CENTRAL MICHIGAN SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND BE PREPARED TO MOVE TO A SAFE PLACE. STJ
Special weather statement, Jul 8, 7:32 PM EDT, 1 hour 3 minutes before
MIZ026-031>034-036>039-042-090400- SPECIAL WEATHER STATEMENT... CORRECTED NATIONAL WEATHER SERVICE FLINT MI 720 PM EDT SUN JUL 8 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL MIDNIGHT EDT... AT 630 PM EDT... AN AREA OF SCATTERED THUNDERSTORMS WAS INDICATED BY RADAR FROM CENTRAL LAKE HURON... ACROSS THE THUMB... TO SOUTHWEST OF HOUGHTON LAKE... WITH THE STRONGEST STORMS OVER THE THUMB. MOVEMENT WAS EAST AROUND 45 MPH. LARGE HAIL... DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS ARE POSSIBLE AS THESE STORMS PASS. PEOPLE IN EAST CENTRAL MICHIGAN SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND BE PREPARED TO MOVE TO A SAFE PLACE IF THREATENING WEATHER APPROACHES. STJ
Special weather statement, Jul 8, 8:17 PM EDT, 18 minutes before
MIZ026-031>034-036>039-042-090110- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FLINT MI 815 PM EDT SUN JUL 8 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL MIDNIGHT EDT... AT 730 PM EDT... AN AREA OF SCATTERED THUNDERSTORMS CONTINUED TO BE INDICATED BY RADAR FROM THE THUMB EAST INTO LAKE HURON... FROM AROUND CASS CITY TO HARBOR BEACH. CASS CITY IS 35 MILES NORTHEAST OF SAGINAW. ANOTHER BAND OF THUNDERSTORMS EXTENDED FROM SAGINAW BAY... WEST TO NEAR MUSKEGON. RADAR INDICATED MOVEMENT AS EAST AT NEAR 45 MPH. LARGE HAIL... DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS ARE POSSIBLE AS THESE STORMS PASS... SOME MAY BECOME SEVERE. PEOPLE IN LOWER MICHIGAN SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND BE PREPARED TO MOVE TO SAFE SHELTER IF THREATENING WEATHER APPROACHES. STJ
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 8:45 PM EDT | Severe Thunderstorm Warning | DTX | Crawford | 60 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.