Alert archive / Michigan / Tornado Warnings in 1996

Tornado Warning 15, NWS Detroit, MI

July 7, 1996Macomb County, Michigan

NWS Detroit, MI issued this tornado warning at Jul 7, 1996, 5:03 PM EDT for Macomb County, Michigan. It was in force for 57 min. 1 report 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
Jul 7, 1996, 5:03 PM EDT (21:03 UTC)
Expired
Jul 7, 1996, 6:00 PM EDT
In force
57 min
Issued by
NWS Detroit, MI
Area
Whole counties

County Macomb County, MI

The radar

The Detroit radar (KDTX), 46 km from the middle of the area, began a volume at 21:04 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
Jul 7, 5:10 PM EDTThunderstorm Wind 95Sterling Heights, 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

Alpena, MI (KAPX), launched 12:00Z, 9.1 hours before the alert went out and 270 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, Alpena, MI at 12:00Z on 1996-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 21 joules per kilogram.LCLLFCEL10008507005003002001001 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, Alpena, MI at 12:00Z on 1996-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 184 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
21 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
857 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
184 m²/s²
0-3 km storm-relative helicity
212 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 072103
TORDTX
MIC099-072200-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT PONTIAC MI
503 PM EDT SUN JUL 7 1996
 
THE NATIONAL WEATHER SERVICE IN DETROIT PONTIAC HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  600 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST LOWER MICHIGAN
 
   ...MACOMB COUNTY
 
 
AT 503 PM...DOPPLER RADAR INDICATED A POSSIBLE TORNADO NEAR
STERLING HEIGHTS. THE THUNDERSTORM PRODUCING THIS POSSIBLE
TORNADO WAS MOVING EAST AT 30 MILES AN HOUR.
 
THIS STORM WILL REACH THE FRASER AND ROSEVILLE AREAS BY 515 PM...
AND THE ST. CLAIR SHORES AREA BY 530 PM.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY 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.
 
CAMPBELL

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

Special weather statement, Jul 7, 11:11 AM EDT, 5 hours 52 minutes before
MIZ016>083-081200-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1115 AM EDT SUN JUL 7 1996

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

THERE IS A CHANCE OF SHOWERS AND THUNDERSTORMS OVER SOUTHEAST MICHIGAN
THIS AFTERNOON...MAINLY EAST OF A LINE FROM NEAR STANDISH TO BATTLE
CREEK. THESE THUNDERSTORMS ARE NOT EXPECTED TO BECOME SEVERE.
DISPATCHERS... PLEASE NOTIFY YOUR EMERGENCY MANAGERS.

A WEAK COLD FRONT WILL MOVE TO THE EAST ACROSS LOWER MICHIGAN THIS
AFTERNOON... AND THUNDERSTORMS WILL DEVELOP OUT AHEAD OF THE COLD FRONT.
THESE SHOWERS AND THUNDERSTORMS WILL SPREAD FROM STANDISH TO BATTLE
CREEK EARLY THIS AFTERNOON... THEN MOVE EAST... REACHING THE DETROIT
AND MONROE AREAS BETWEEN 2 AND 3 PM.

THUNDERSTORMS WILL MOVE EAST AT AROUND 30 MILES AN HOUR... AND THEY
WILL HAVE THE POTENTIAL TO BRING WIND GUSTS TO 45 MILES AN HOUR...
ALONG WITH PEA SIZE HAIL.

BY 6 PM...SHOWERS AND THUNDERSTORMS WILL lBE DIMINISHING ACROSS
EXTREME SOUTHEAST MICHIGAN.

STAY TUNED TO NATIONAL WEATHER SERVICE WEATHER RADIO FOR THE LATEST
INFORMATION ON SEVERE WEATHER POTENTIAL IN MICHIGAN.

CAMPBELL
Special weather statement, Jul 7, 4:48 PM EDT, 15 minutes before
MIZ016>083-081200-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
445 PM EDT SUN JUL 7 1996

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

SHOWERS AND THUNDERSTORMS WILL MOVE THROUGH SOUTHEAST LOWER MICHIGAN
THIS EVENING...MAINLY NEAR AND EAST OF A LINE FROM HOWELL TO MARLETTE.
THESE THUNDERSTORMS MAY CONTAIN HAIL UP TO 1 INCH...AS WELL AS WIND
GUSTS TO 40 MPH...HEAVY RAINS AND DEADLY LIGHTING. DISPATCHERS... PLEASE
NOTIFY YOUR EMERGENCY MANAGERS.

A WEAK COLD FRONT WILL MOVE TO THE EAST ACROSS LOWER MICHIGAN THIS
EVENING... WITH THUNDERSTORMS WILL ALONG THE COLD FRONT. MOST OF THE
ACTIVITY WILL BE OUT OF THE STATE BY 8 PM... WITH CELLS MOVING EAST
AT 30 MPH.D

STAY TUNED FOR UPDATES AS NEEDED.
REILLY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 3:13 PM EDTSevere Thunderstorm WarningDTXGenesee, Shiawassee47 min
Jul 7, 3:51 PM EDTSevere Thunderstorm WarningDTXOakland69 min
Jul 7, 4:51 PM EDTSevere Thunderstorm WarningDTXMacomb69 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.