Alert archive / Michigan / Tornado Warnings in 2002

Tornado Warning 1, NWS Detroit, MI

July 28, 2002Macomb County, Saint Clair County, Michigan

NWS Detroit, MI issued this tornado warning at Jul 28, 2002, 1:53 PM EDT for Macomb County, Saint Clair County, Michigan. It was in force for 37 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 28, 2002, 1:53 PM EDT (17:53 UTC)
Expired: Jul 28, 2002, 2:30 PM EDT
In force: 37 min
Issued by: NWS Detroit, MI
Area: Counties, with a storm outline in the text

Counties Macomb County, MI, Saint Clair County, MI

The radar

The Detroit radar (KDTX), 62 km from the middle of the area, began a volume at 17:54 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

Time	Report	Where	Remark
Jul 28, 2:02 PM EDT	Tornado F0	New Haven Macomb Arp, MI	Trained spotters reported a brief tornado touchdown 2 miles west of New Haven. A National Weather Service storm survey confirmed tree damage consistent with an F0 tornado.
Jul 28, 2:29 PM EDT	Thunderstorm Wind 50 E	Port Huron, MI	A newspaper reported that a large tree was blown over in thunderstorms winds and landed next to an apartment building, tearing the electrical service box from the building.

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, 5.9 hours before the alert went out and 58 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1933 J/kg
Mixed-layer CIN: -79 J/kg
Mixed-layer LCL: 854 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 218 m²/s²
0-3 km storm-relative helicity: 210 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.1

Open this sounding in Storm Lab

The text

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

935 
WFUS53 KDTX 281753
TORDTX
MIC099-147-281830-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
152 PM EDT SUN JUL 28 2002

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A

* TORNADO WARNING FOR...
  ST. CLAIR COUNTY IN SOUTHEAST MICHIGAN
  MACOMB COUNTY IN SOUTHEAST MICHIGAN

* UNTIL 230 PM EDT

* AT 149 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO OVER NEW HAVEN...OR 6 MILES NORTHWEST OF NEW
  BALTIMORE...MOVING EAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  ANCHORVILLE AT 200 PM EDT
  MARYSVILLE...SPARLINGVILLE AT 215 PM EDT
  PORT HURON AT 220 PM EDT

AT 150 PM EDT...SPOTTERS REPORTED A FUNNEL CLOUD NEAR 26 MILE ROAD 
AND ROMEO PLANK ROAD. SPOTTERS ALSO REPORTED GOLF BALL SIZE HAIL.

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IN A HOME OR
BUSINESS IS AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. AVOID
WINDOWS.

LAT...LON 4275 8299 4262 8281 4292 8233 4310 8257

RBP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 9:42 PM EDT	Special Marine Warning	DTX		63 min
Jul 28, 12:27 AM EDT	Severe Thunderstorm Warning	DTX	Lenawee	63 min
Jul 28, 12:37 AM EDT	Severe Thunderstorm Warning	DTX	Washtenaw	38 min
Jul 28, 2:25 AM EDT	Special Marine Warning	DTX		65 min
Jul 28, 4:58 AM EDT	Special Marine Warning	DTX		47 min
Jul 28, 5:31 AM EDT	Severe Thunderstorm Warning	DTX	Huron	44 min
Jul 28, 5:44 AM EDT	Special Marine Warning	DTX		61 min
Jul 28, 1:08 PM EDT	Severe Thunderstorm Warning	DTX	Lapeer	52 min
Jul 28, 1:09 PM EDT	Severe Thunderstorm Warning	DTX	Lenawee	51 min
Jul 28, 1:20 PM EDT	Severe Thunderstorm Warning	DTX	Macomb	40 min
Jul 28, 1:36 PM EDT	Special Marine Warning	DTX		69 min
Jul 28, 1:45 PM EDT	Severe Thunderstorm Warning	DTX	Saint Clair	45 min

Nearby

Tornado Warnings in Michigan, 2002 Every tornado warning in 2002 Tornadoes in 2002

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.