Alert archive / Michigan / Tornado Warnings in 1996

Tornado Warning 1, NWS Detroit, MI

April 12, 1996Lenawee County, Michigan

NWS Detroit, MI issued this tornado warning at Apr 12, 1996, 4:16 PM EDT for Lenawee County, Michigan. It was in force for 44 min. 4 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
Apr 12, 1996, 4:16 PM EDT (20:16 UTC)
Expired
Apr 12, 1996, 5:00 PM EDT
In force
44 min
Issued by
NWS Detroit, MI
Area
Whole counties

County Lenawee County, MI

The radar

The Detroit radar (KDTX), 102 km from the middle of the area, began a volume at 20:17 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Apr 12, 4:19 PM EDTHail 1Adrian, MI
Apr 12, 4:22 PM EDTHail 1.5Clayton, MI
Apr 12, 4:50 PM EDTThunderstorm Wind 60Adrian, MI
Apr 12, 5:04 PM EDTThunderstorm Wind 78Riga, 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.

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 8.3 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.

Skew-T log-pSkew-T log-p diagram, Detroit, MI at 12:00Z on 1996-04-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 1996-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1032 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KDTX 122017
TORDTX
MIC091-122100-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT PONTIAC MI
416 PM EDT FRI APR 12 1996
 
THE NATIONAL WEATHER SERVICE IN DETROIT PONTIAC HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  500 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST LOWER MICHIGAN
 
   ...LENAWEE COUNTY
 
AT 413 PM...SPOTTERS AND EMERGENCY SERVICES REPORTED A TORNADO TOUCHDOWN
3 MILES SOUTH OF HUDSON. THE THUNDERSTORM THAT PRODUCED THE TORNADO
WAS MOVING EAST AT 45 MPH AND WILL AFFECT ADRIAN...FAIRFIELD AND JASPER
BETWEEN 415 PM AND 430 PM.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDLY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
NADOLSKI
 
&

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Apr 12, 10:54 AM EDT, 5 hours 22 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PONTIAC/DETROIT MI
1053 AM EST FRI APR 12 1996

TIME (EST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS............
            ....COUNTY LOCATION....

1043 AM     OTISVILLE                 MI   DIME (1.00 INCH DIAMETER) SIZE
4/12/96     GENESEE COUNTY                 HAIL.
Special weather statement, Apr 12, 11:07 AM EDT, 5 hours 9 minutes before
MIZ016>083-130900-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1100 AM EDT FRI APR 12 1996

...SEVERE WEATHER POTENTIAL STATEMENT FOR MICHIGAN...

THERE IS A CHANCE OF SEVERE THUNDERSTORMS ACROSS SOUTHERN LOWER
MICHIGAN THROUGH TONIGHT...MAINLY ALONG AND SOUTH OF A LINE FROM
MUSKEGON TO THE TIP OF THE THUMB.  THIS INCLUDES THE COMMUNITIES OF
MUSKEGON...GRAND RAPIDS...KALAMAZOO...LANSING...SAGINAW...FLINT...AND
DETROIT.  THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS FOR PARTS OF
CENTRAL AND NORTHERN LOWER MICHIGAN...SOUTH OF A LINE FROM TRAVERSE
CITY TO OSCODA...FROM LATE THIS AFTERNOON THROUGH TONIGHT.  THIS AREA
INCLUDES TRAVERSE CITY...HOUGHTON LAKE...LUDINGTON...AND WEST BRANCH.
PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY.  FOR SOUTHEAST
MICHIGAN...SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND TONIGHT.

A FEW THUNDERSTORMS ARE EXPECTED TO OCCUR ACROSS THE REST OF NORTHERN
LOWER MICHIGAN THIS AFTERNOON AND THIS EVENING...NORTH OF THE TRAVERSE
CITY TO OSCODA LINE...BUT THE STORMS ARE NOT EXPECTED TO BECOME SEVERE.

A STATIONARY FRONT WILL REMAIN OVER EXTREME SOUTHERN LOWER MICHIGAN
THROUGH TONIGHT.  A LOW PRESSURE CENTER OVER EASTERN IOWA LATE THIS
MORNING WILL MOVE ALONG THE FRONT INTO THE FAR SOUTHWEST CORNER OF
LOWER MICHIGAN BY SUNRISE SATURDAY.  THE FRONT WILL SEPARATE VERY WARM
AIR TO ITS SOUTH AND CONSIDERABLY COOLER AIR TO THE NORTH.  THE MOST
UNSTABLE AIR THIS AFTERNOON WILL BE OVER SOUTHERN LOWER MICHIGAN...
ALONG AND NEAR THE FRONT.  HOWEVER...AS THE LOW PRESSURE CENTER
APPROACHES MICHIGAN TONIGHT...THERE WILL BE A SLIGHT CHANCE OF SEVERE
STORMS OVER PARTS OF NORTHERN LOWER MICHIGAN.  THE THREAT OF SEVERE
WEATHER WILL CONTINUE OVER SOUTHERN LOWER MICHIGAN THROUGHOUT THE
NIGHT.

HAIL WILL BE THE PRIMARY SEVERE THREAT.  HAIL MAY BE AS LARGE AS AROUND
AN INCH IN DIAMETER.  ISOLATED WIND GUSTS TO 60 MPH WILL ALSO BE
POSSIBLE...MAINLY SOUTH OF THE STATIONARY FRONT TOWARD THE FAR SOUTHERN
MICHIGAN BORDER.  STORMS ARE EXPECTED TO MOVE TO THE EAST AT 50 MPH.

STAY TUNED TO NOAA WEATHER RADIO...AND TO LOCAL RADIO AND TELEVISION
STATIONS...FOR THE LATEST FORECASTS AND STATEMENTS CONCERNING THE
THREAT OF SEVERE THUNDERSTORMS ACROSS LOWER MICHIGAN.

DJF
Special weather statement, Apr 12, 1:50 PM EDT, 2 hours 26 minutes before
MIZ060-061-062-053-054-063-055-049-048-047-122345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT PONTIAC MI
149 PM EDT FRI APR 12 1996

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PORTIONS OF SOUTHEAST
LOWER MICHIGAN UNTIL 800 PM...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR A LARGE PORTION OF
SOUTHEAST LOWER MICHIGAN UNTIL 800 PM.  THIS WATCH INCLUDES THE
FOLLOWING COUNTIES...MIDLAND...BAY...HURON...TUSCOLA...SANILAC...LAPEER.
ST CLAIR...GENESEE...SHIAWASSEE...SAGINAW.  A FEW COMMUNITIES INCLUDED
ARE FLINT...SAGINAW...MIDLAND...LAPEER...CARO AND OWOSSO.

AT 149 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS HOUGHTON LAKE TO MOUNT PLEASANT THEN SOUTHWEST TO GRAND
RAPIDS.  THESE STORMS WERE MOVING EAST AT 50 MPH AND WILL MOVE INTO THE
WATCH AREA BETWEEN 200 PM AND 230 PM AND THEN CONTINUE TO OVERSPREAD THE
AREA THROUGH THE AFTERNOON.

THESE STORMS WILL BE CAPABLE OF PRODUCING 3/4 INCH HAIL OR LARGER.

WHEN STORMS APPROACH MOVE TO A STURDY SHELTER.  CONTINUE TO LISTEN TO
NOAA WEATHER RADIO FOR FURTHER STATEMENTS AND WARNINGS.

NADOLSKI
Special weather statement, Apr 12, 2:48 PM EDT, 1 hour 28 minutes before
MIZ016>083-122150-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
245 PM EDT FRI APR 12 1996

...A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 8 PM FOR
PORTIONS OF SOUTHEAST MICHIGAN...

THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR SOUTHEAST
MICHIGAN ROUGHLY ALONG AND NORTH OF ROUTE 69.  INCLUDED IN THE WATCH
AREA ARE THE COMMUNITIES OF OWOSSO...FLINT...LAPEER...BAD AXE...
MIDLAND...AND SAGINAW.

AT 240 PM DOPPLER RADAR WAS INDICATING AN AREA OF STRONG THUNDERSTORMS
EXTENDING FROM NEAR SAGINAW BAY SOUTHWEST TO THE GRAND RAPIDS AREA...
THEN SOUTH TO ELKHART INDIANA. MARBLE SIZED HAIL WAS REPORTED AT 239
PM NEAR SAGINAW. THE STRONGEST STORMS WERE IN THE SOUTHWEST NEAR THE
INDIANA STATE LINE...WERE SOME SEVERE THUNDERSTORM WARNINGS ARE IN
EFFECT.

THE STORMS WERE MOVING EAST AT ABOUT 50 MPH...AND THE LEADING
EDGE OF THE STORMS WILL BE ALONG A LINE FROM SANDUSKY TO FLINT TO JUST
EAST OF LANSING BY 4 PM. THE STORMS WILL CONTINUE MOVING EAST REACHING
THE DETROIT METROPOLITAN AREA AFTER 5 PM.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.

MSE
Special weather statement, Apr 12, 3:14 PM EDT, 1 hour 2 minutes before
MIZ016>083-130010-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
315 PM EDT FRI APR 12 1996

...A SEVERE THUNDERSTORM WATCH IS NOW IN EFFECT FOR ALL OF SOUTHEAST
MICHIGAN UNTIL 8 PM...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THE FOLLOWING COUNTIES
IN SOUTHEAST MICHIGAN UNTIL 8 PM...LIVINGSTON...OAKLAND...MACOMB...
WASHTENAW...WAYNE...LENAWEE...AND MONROE. MEANWHILE...THE SEVERE
THUNDERSTORM WATCH THAT HAS BEEN IN EFFECT NORTH OF THAT AREA REMAINS
IN EFFECT THROUGH 8 PM. AS A RESULT...A SEVERE THUNDERSTORM WATCH IS
NOW IN EFFECT FOR ALL OF SOUTHEAST MICHIGAN THROUGH 8 PM. SOME
COMMUNITIES IN A WATCH INCLUDE DETROIT...MONROE...ANN ARBOR...
PONTIAC...FLINT...LAPEER...BAD AXE...SAGINAW...AND MIDLAND.

AT 310 PM NATIONAL WEATHER SERVICE DOPPLER RADAR WAS INDICATING AN AREA
OF STRONG TO SEVERE THUNDERSTORMS EXTENDING FROM THE NORTHERN PART OF
THE THUMB OF MICHIGAN...SOUTHWEST TO NEAR LANSING...THEN SOUTH ALONG
ROUTE 69 TO COLDWATER MICHIGAN.  THE STORMS WERE MOVING EAST AT 50 MPH.
LARGE HAIL AND STRONG GUST WINDS WILL BE THE MAIN THREAT WITH THESE
STORMS AS THEY MOVE EAST LATE THIS AFTERNOON. PEA TO MARBLE SIZED HAIL
WAS REPORTED AT 3 PM IN SHIAWASSEE COUNTY NEAR OWOSSO.

BY 4 PM...THE THUNDERSTORMS WILL HAVE MOVED EAST TO A LINE FROM AROUND
LAPEER...TO FLINT...TO HOWELL...TO JUST EAST OF JACKSON. BY 500 PM...
THE STORMS WILL BEGIN TO EFFECT THE NORTHERN AND WESTERN SUBURBS OF
DETROIT...INCL<UDING THE PONTIAC AND ANN ARBOR AREAS.

IF YOU PLAN TO BE OUTDOORS LATE THIS AFTERNOON...CHECK THE LATEST
WEATHER INFORMATION AND KEEP A WEATHER EYE ON THE SKY.

MSE
Local storm report, Apr 12, 3:33 PM EDT, 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MICHIGAN
330 PM EDT FRI APR 12 1996

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION...t.

0315 PM    OWOSSO                    MI   .75 INCH HAIL
04/12/96   SHIAWASSEE

CAMPBELL

The office that day

Everything else NWS Detroit, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 12, 10:37 AM EDTSevere Thunderstorm WarningDTXGenesee, Lapeer38 min
Apr 12, 2:48 PM EDTSevere Thunderstorm WarningDTXShiawassee57 min
Apr 12, 3:39 PM EDTSevere Thunderstorm WarningDTXLenawee66 min
Apr 12, 4:32 PM EDTSevere Thunderstorm WarningDTXMonroe58 min
Apr 12, 4:40 PM EDTSevere Thunderstorm WarningDTXWayne65 min
Apr 12, 4:45 PM EDTTornado WarningDTXMonroe45 min
Apr 12, 5:03 PM EDTSevere Thunderstorm WarningDTXLenawee27 min
Apr 12, 5:57 PM EDTSevere Thunderstorm WarningDTXLenawee63 min
Apr 12, 6:46 PM EDTSevere Thunderstorm WarningDTXMidland44 min
Apr 12, 7:05 PM EDTSevere Thunderstorm WarningDTXBay40 min
Apr 12, 7:41 PM EDTSevere Thunderstorm WarningDTXLenawee, Monroe49 min
Apr 12, 7:45 PM EDTSevere Thunderstorm WarningDTXLivingston45 min

Nearby

Tornado Warnings in Michigan, 1996Every tornado warning in 1996Tornadoes in 1996

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; radar from the NEXRAD Level II archive.