Alert archive / Michigan / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 21, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Jun 17, 1992, 2:49 PM EDT for Clare County, Roscommon County, Michigan. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- Jun 17, 1992, 2:49 PM EDT (18:49 UTC)
- Expired
- Jun 17, 1992, 3:45 PM EDT
- In force
- 56 min
- Issued by
- NWS Detroit, MI
- Area
- Whole counties
Counties Clare County, MI, Roscommon County, MI
The nearest sounding before it
Detroit, MI (KFNT), launched 12:00Z, 6.8 hours before the alert went out and 192 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
- 264 J/kg
- Mixed-layer CIN
- -141 J/kg
- Mixed-layer LCL
- 945 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KHTL 171849 SVRHTL MIC035-143-171945- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HOUGHTON LAKE MI 249 PM EDT WED JUN 17 1992 THE NATIONAL WEATHER SERVICE IN HOUGHTON LAKE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL MICHIGAN ...CLARE COUNTY IN NORTH CENTRAL MICHIGAN ...ROSCOMMON COUNTY A LINE OF SEVERE THUNDERSTORMS WAS INDICATED ON RADAR MOVING TO THE NORTHEAST AT AROUND 60 MPH. THESE THUNDERSTORMS WILL ENTER CLARE AND ROSCOMMON COUNTIES BY 300 PM EDT AND PERSONS IN THE TOWNS OF CLARE...FARWELL...HARRISON...HOUGHTON LAKE...HIGGINS LAKE AND ROSCOMMON SHOULD TAKE SHELTER IMMEDIATELY. SPOTTER REPORTS ALSO INDICATE THAT SEVERAL FUNNEL CLOUDS HAVE SPAWNED FROM THESE SEVERE THUNDERSTORMS. A TORNADO WATCH IS ALSO IN EFFECT 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. NNNN
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, Jun 17, 11:37 AM EDT, 3 hours 12 minutes before
SAFETY RULES FOR SEVERE THUNDERSTORMS
NATIONAL WEATHER SERVICE ANN ARBOR MI
1140 AM EDT WED JUN 17 1992
THERE IS A HIGH PROBABILITY OF SEVERE THUNDERSTORMS AND TORNADOS IN
ALL OF MICHIGAN THIS AFTERNOON AND TONIGHT. IN THE INTEREST OF PUBLIC
SAFETY...THE FOLLOWING SAFETY RULES ARE PROVIDED. PUBLIC AND COMMERCIAL
BROADCAST STATIONS SERVING THE STATE ARE ASKED TO BROADCAST THESE
MESSAGES OCCASIONALLY THROUGHOUT THE DAY AND FREQUENTLY DURING ANY
WATCH OR WARNING SITUATIONS.
..................................................
THE STRONG WIND GUSTS OF A SEVERE THUNDERSTORM CAN DAMAGE BUILDINGS...
KNOCK DOWN TREES AND CREATE A HAZARD DUE TO WIND BLOWN DEBRIS SIMILAR
TO A SMALL TORNADO. INDOORS...STAY AWAY FROM WINDOWS AND GO TO THE
SAFEST LOCATION ON THE LOWEST LEVEL OF YOUR HOUSE. MOBILE HOMES ARE
PARTICULARLY VULNERABLE TO HIGH WINDS. IF SEVERE THUNDERSTORMS
APPROACH...YOU SHOULD LEAVE AN UNANCHORED MOBILE HOME AND SEEK NEARBY
SHELTER. WHEN BOATING..ALWAYS STAY TUNED TO THE LATEST WEATHER REPORTS
AND RETURN TO SAFE HARBOR BEFORE STRONG WINDS ARRIVE.
..................................................
IT IS IMPORTANT TO REMEMBER THAT SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES. LISTEN TO YOUR WEATHER RADIO OR OTHER LOCAL RADIO OR
TELEVISION TO LEARN IF A WARNING HAS BEEN ISSUED FOR YOUR AREA. ALSO...
KEEP A CLOSE WATCH ON THE THUNDERSTORMS AS TORNADOES CAN FORM QUICKLY
BEFORE IT IS POSSIBLE TO ISSUE A WARNING. IF YOU SEE A TORNADO MOVING
TOWARD YOU OR HEAR A TORNADO WARNING FOR YOUR AREA...YOU SHOULD FIND
SHELTER...BELOW GROUND LEVEL IF POSSIBLE...BUT IF ABOVE GROUND...GET
INTO A SMALL INTERIOR SPACE ON THE LOWEST FLOOR AND STAY AWAY FROM
OUTSIDE WALLS...DOORS...AND WINDOWS...AND STAY OUT OF AUDITORIUMS AND
GYMNASIUMS.Special weather statement, Jun 17, 1:51 PM EDT, 58 minutes before
MIZ001>083-172000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ANN ARBOR MI 150 PM EDT WED JUN 17 1992 ...A TORNADO WATCH HAS BEEN ISSUED FOR SOUTH CENTRAL AND SOUTHEAST UPPER MICHIGAN... AND THE WEST HALF OF LOWER MICHIGAN... TORNADO WATCH NUMBER 388 HAS BEEN ISSUED FOR SOUTH CENTRAL AND SOUTHEAST UPPER MICHIGAN... AND THE WEST HALF OF LOWER MICHIGAN UNTIL 900 PM THIS EVENING. AT 145 PM CLUSTERS OF THUNDERSTORMS WERE OVER NORTH MINNESOTA... WEST AND SOUTH CENTRAL UPPER MICHIGAN... EAST WISCONSIN... NORTH ILLINOIS... LAKE MICHIGAN... AND WEST CENTRAL AND NORTHWEST LOWER MICHIGAN. STORMS WERE MOVING MAINLY TO THE NORTHEAST... AT 40 TO 50 MPH. VERY MOIST AND UNSTABLE AIR CONTINUES TO SURGE NORTHWARD AND NORTHEASTWARD OVER MICHIGAN AND FEED THESE STORMS. TORNADOES ARE NATURES MOST VIOLENT STORMS. IN A HOME...ONE OF THE BEST SHELTERS IS IN THE BASEMENT UNDER HEAVY FURNITURE AND WHERE OVERHEAD SUPPORT AND PROTECTION IS GREATEST. IF THERE IS NO BASEMENT.. GO TO THE CENTER OF THE HOUSE ON THE LOWEST FLOOR. GET INTO A CLOSET.. INTERIOR HALL...AND/OR UNDER HEAVY FURNITURE. COVER YOURSELF WITH A HEAVY BLANKET OR SIMILAR OBJECT. IN A SCHOOL...OFFICE...OR OTHER TYPE OF INSTITUTIONAL BUILDING...GO QUICKLY TO A BASEMENT IF AVAILABLE. IF NONE...GO TO A CENTRAL HALL OR CORRIDOR ON THE LOWEST FLOOR. KEEP AWAY FROM OUTSIDE WALLS...DOORS AND WINDOWS. STAY OUT OF AUDITORIUMS OR GYMNASIUMS. IF IN OPEN COUNTRY OR IN A CAR AND YOU CANNOT AVOID THE PATH OF THE STORM...GET INTO A REINFORCED BUILDING OR INTO A DITCH... DEPRESSION...OR CULVERT. IF YOU ARE IN A MOBILE HOME...WHETHER IT IS TIED DOWN OR NOT...ABANDON IT AND GO TO A COMMUNITY SHELTER OR REINFORCED BUILpDING...OR GET INTO A DITCH...DEPRESSION...OR CULVERT. MRK
Special weather statement, Jun 17, 2:12 PM EDT, 37 minutes before
MIZ001>083-172030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ANN ARBOR MI 212 PM EDT WED JUN 17 1992 ...ALL OF UPPER MICHIGAN HAS BEEN PLACED UNDER A TORNADO WATCH UNTIL 900 PM EDT THIS EVENIN
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 3:56 PM EDT | Severe Thunderstorm Warning | DTX | Clare, Crawford, Roscommon | 64 min |
| Jun 17, 5:33 PM EDT | Severe Thunderstorm Warning | DTX | Clare, Roscommon | 42 min |
| Jun 17, 5:36 PM EDT | Severe Thunderstorm Warning | DTX | Crawford | 39 min |
| Jun 17, 5:51 PM EDT | Tornado Warning | DTX | Clare, Roscommon | 33 min |
| Jun 17, 6:16 PM EDT | Tornado Warning | DTX | Midland | 29 min |
| Jun 17, 6:27 PM EDT | Severe Thunderstorm Warning | DTX | Bay | 48 min |
| Jun 17, 6:40 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw | 50 min |
| Jun 17, 6:47 PM EDT | Tornado Warning | DTX | Saginaw | 28 min |
| Jun 17, 6:50 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Shiawassee, Tuscola | 40 min |
| Jun 17, 7:06 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 54 min |
| Jun 17, 7:20 PM EDT | Severe Thunderstorm Warning | DTX | Livingston | 40 min |
| Jun 17, 7:27 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 28 min |
| Jun 17, 7:27 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Tuscola | 48 min |
| Jun 17, 7:31 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 44 min |
| Jun 17, 7:37 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer, Sanilac | 68 min |
| Jun 17, 7:42 PM EDT | Tornado Warning | DTX | Huron | 33 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 1992Every severe thunderstorm warning in 1992
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.