Alert archive / Michigan / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 49, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Sep 14, 1990, 1:34 PM EDT for Lenawee County, Michigan. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- Sep 14, 1990, 1:34 PM EDT (17:34 UTC)
- Expired
- Sep 14, 1990, 2:15 PM EDT
- In force
- 41 min
- Issued by
- NWS Detroit, MI
- Area
- Whole counties
County Lenawee 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
Detroit, MI (KFNT), launched 12:00Z, 5.6 hours before the alert went out and 106 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
- 134 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 825 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 82 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 KDTW 141734
SVRDTW
MIC093-161-091-141815-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DETROIT MI
134 PM EDT FRI SEP 14 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 215 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE SOUTHEAST PART OF LOWER MICHIGAN
LIVINGSTON...WASHTENAW...NORTHERN LENAWEE
AT 130 PM EDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
EAST OF JACKSON...55 MILES WEST OF DOWNTOWN DETROIT. THESE STORMS
HAVE PRODUCED NICKEL SIZED HAIL AND WINDS IN EXCESS OF 50 MILES AN
HOUR SINCE 1230 PM. MOVEMENT WAS EAST NORTHEAST AT 35 MILES AN
HOUR.
A TORNADO WATCH IS ALSO IN EFFMECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
ZALESKIWhat 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, Sep 14, 9:36 AM EDT, 3 hours 58 minutes before
MIZ026-031>034-036>039-042-141515 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FLINT MI 935 AM EDT FRI SEP 14 1990 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EAST CENTRAL MICHIGAN... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR ALL OF EAST CENTRAL MICHIGAN UNTIL 3PM EDT THIS AFTERNOON. LARGE HAIL..DAMAGING WINDS..AND DANGEROUS LIGHTNING ARE POSSIBLE. PERSONS IN EAST CENTRAL MICHIGAN SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS. AS OF 915AM NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS STRETCHING SOUTHWESTWARD FROM NEAR HOUGHTON LAKE THROUGH MUSKEGON INTO SOUTHERN LAKE MICHIGAN. MOVEMENT WAS EAST AT 30 MILES PER HOUR. ONCE AGAIN..A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 3PM EDT FOR ALL OF EAST CENTRAL MICHIGAN. STAY TUNED TO NATIONAL WEATHER SERVICE RADIO AND LOCAL TV AND RADIO STATIONS FOR FURTHER WEATHER STATEMENTS AND POSSIBLE WARNINGS. DJF
Special weather statement, Sep 14, 9:38 AM EDT, 3 hours 56 minutes before
MIZ026-031>034-036>039-042-141515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FLINT MI 935 AM EDT FRI SEP 14 1990 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EAST CENTRAL MICHIGAN... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR ALL OF EAST CENTRAL MICHIGAN UNTIL 3PM EDT THIS AFTERNOON. LARGE HAIL..DAMAGING WINDS..AND DANGEROUS LIGHTNING ARE POSSIBLE. PERSONS IN EAST CENTRAL MICHIGAN SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS. AS OF 915AM NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS STRETCHING SOUTHWESTWARD FROM NEAR HOUGHTON LAKE THROUGH MUSKEGON INTO SOUTHERN LAKE MICHIGAN. MOVEMENT WAS EAST AT 30 MILES PER HOUR. ONCE AGAIN..A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 3PM EDT FOR ALL OF EAST CENTRAL MICHIGAN. STAY TUNED TO NATIONAL WEATHER SERVICE RADIO AND LOCAL TV AND RADIO STATIONS FOR FURTHER WEATHER STATEMENTS AND POSSIBLE WARNINGS. DJF
Special weather statement, Sep 14, 10:38 AM EDT, 2 hours 56 minutes before
MIZ026-031>034-036>039-042-141600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FLINT MI 1040 AM EDT FRI SEP 14 1990 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EAST CENTRAL MICHIGAN UNTIL 3PM... AT 1035AM NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS STRETCHING FROM JUST SOUTH OF HOUGHTON LAKE SOUTHWESTWARD THROUGH THE GRAND RAPIDS AREA INTO SOUTHERN LAKE MICHIGAN. THE STRONGEST STORMS WERE OVER NORTHERN CLARE COUNTY AND IN KENT COUNTY JUST NORTH OF GRAND RAPIDS. MOVEMENT WAS EAST AROUND 25 MILES PER HOUR. THESE THUNDERSTORMS WILL REACH MIDLAND AND ARENAC COUNTIES BY 1115AM. PERSONS THROUGHOUT EAST CENTRAL MICHIGAN SHOULD BE ON THE LOOKOUT FOR THE DEVELOPMENT OF SEVERE WEATHER THIS MORNING AND AFTERNOON. THESE THUNDERSTORMS MAY CONTAIN HEAVY RAIN..LARGE HAIL..AND DAMAGING WINDS. THE STORMS ALSO COULD PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING. STAY TUNED TO NATIONAL WEATHER SERVICE RADIO AND LOCAL TELEVISION AND RADIO STATIONS FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS. DJF
Special weather statement, Sep 14, 11:20 AM EDT, 2 hours 14 minutes before
MIZ001>068-141730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ANN ARBOR MI 1115 AM EDT FRI SEP 14 1990 ...TORNADO WATCH 745 IN EFFECT TILL 500 PM... ...SEVERE THUNDERSTORM WATCH 744 CANCELED... A TORNADO WATCH IS IN EFFECT FOR MUCH OF SOUTHERN LOWER MICHIGAN UNTIL 500 PM EDT THIS AFTERNOON. THE WATCH COVERS LOWER MICHIGAN ROUGHLY SOUTH OF A LINE FROM GRAND HAVEN TO A POINT ON SAWINAW BAY 25 MILES NORTH OF BAY CITY. LARGER CITIES UNDER THIS WATCH INCLUDE GRAND RAPIDS...LANSING... FLINT...SAGINAW...BENTON HARBOR...KALAMAZOO...JACKSON...ANN ARBOR AND DETROIT. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS AND TORNADOES IN AND CLOSE TO THE WATCH AREA. IF YOU LIVE IN THE WATCH AREA...PLAN NOW A COURSE OF ACTION TO TAKE SHOULD SEVERE WEATHER THREATEN YOUR LOCATION. THIS TORNADO WATCH REPLACES THE OLD SEVERE THUNDERSTORM WATCH THAT HAD BEEN IN EFFECT ACROSS LOWER MIC/HIGAN. THE TORNADO WATCH CONTINUES TILL 5 PM. STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION. EDF
Special weather statement, Sep 14, 11:37 AM EDT, 1 hour 57 minutes before
MIZ026-031>034-036>039-042-141635-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FLINT MI
1135 AM EDT FRI SEP 14 1990
...A TORNADO WATCH IS IN EFFECT FOR MOST OF EAST CENTRAL MICHIGAN UNTIL
5PM EDT...
AS OF 11AM THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR
ALL OF EAST CENTRAL MICHIGAN UNTIL 5PM EDT WITH THE EXCEPTION OF ARENAC
COUNTY. THUNDERSTORMS WITH DAMAGING WINDS..HEAVY RAINFALL..LARGE HAIL..
AND DANGEROUS LIGHTNING ARE POSSIBLE. THESE STORMS COULD ALSO PRODUCE
A TORNADO WITH LITTLE OR NO ADVANCE WARNING.
AT 1135AM WEATHER RADAR INDICATED AN AREA OF THUNDERSTORMS STRETCHING
FROM WESTERN ARENAC COUNTY THROUGH MIDLAND COUNTY SOUTHWEST THROUGH THE
GRAND RAPIDS AREA. THE STRONGEST STORM WAS LOCATED OVER NORTHERN
MIDLAND COUNTY NEAR EDENVILLE..40 MILES NORTHWEST OF SAGINAW. THESE
THUNDERSTORMS ARE MOVING EAST AT AROUND 35 MILES PER HOUR.
PERSONS IN EAST CENTRAL MICHIGAN ASM WELL AS BOATERS ON SAGINAW BAY
SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER. STAY TUNED TO
NATIONAL WEATHER SERVICE RADIO AND LOCAL TELEVISION AND RADIO STATIONS
FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS.
DJFSpecial weather statement, Sep 14, 12:34 PM EDT, 1 hour before
MIZ026-031>034-036>039-042-141730-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FLINT MI
1235 PM EDT FRI SEP 14 1990
...A TORNADO WATCH IS IN EFFECT FOR MOST OF EAST CENTRAL MICHIGAN UNTIL
5PM EDT...
AT 1230PM NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS EXTENDING SOUTHWESTWARD FROM THE SOUTHWESTERN PORTION OF
SAGINAW BAY THROUGH THE LANSING AREA IN SOUTH CENTRAL MICHIGAN. THE
STRONGEST STORMS IN EAST CENTRAL MICHIGAN ARE LOCATED IN NORTH CENTRAL
SAGINAW COUNTY NEAR THE CITY OF SAGINAW. MOVEMENT OF THE STORMS IS
EAST SOUTHEAST AT AROUND 30 MILES PER HOUR.
THESE THUNDERSTORMS CONTAIN HEAVY RAIN..DAMAGING WINDS..AND DANGEROUS
LIGHTNING. THEY MAY ALSO PRODUCE LARGE HAIL AND TORNADOES WITH LITTLE
OR NO ADVANCE WARNING. PERSONS IN EAST CENTRAL MICHIGAN SHOULD BE ON
THE LOOKOUT FOR THE DEVELOPMENT OF THREATENING WEATHER AND SEEK SHELTER
AS IT APPROACHES. DRIVERS SHOULD ALSO EXERCISE CAUTION WHEN DRIVING IN
HEAVY RAINFALL DUE TO PONDING ON ROADS.
STAY TUNED TO NATIONAL WEATHER SERVICE RADIO AND LOCAL TELEVISION AND
RADIO STATIONS FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS.
DJFThe office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 12:56 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Shiawassee | 64 min |
| Sep 14, 1:09 PM EDT | Severe Thunderstorm Warning | DTX | Tuscola | 66 min |
| Sep 14, 1:34 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Washtenaw | 41 min |
| Sep 14, 1:54 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac | 51 min |
| Sep 14, 2:01 PM EDT | Tornado Warning | DTX | Oakland | 29 min |
| Sep 14, 2:14 PM EDT | Severe Thunderstorm Warning | DTX | Monroe, Wayne | 61 min |
| Sep 14, 2:14 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Saint Clair | 61 min |
| Sep 14, 2:26 PM EDT | Tornado Warning | DTX | Macomb | 49 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.