Alert archive / Michigan / Tornado Warnings in 2004

Tornado Warning 12, NWS Detroit, MI

May 22, 2004Lapeer County, Michigan

NWS Detroit, MI issued this tornado warning at May 22, 2004, 4:32 PM EDT for Lapeer County, Michigan. It was in force for 58 min. 1 report 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: May 22, 2004, 4:32 PM EDT (20:32 UTC)
Expired: May 22, 2004, 5:30 PM EDT
In force: 58 min
Issued by: NWS Detroit, MI
Area: Counties, with a storm outline in the text

County Lapeer County, MI

The radar

The Detroit radar (KDTX), 65 km from the middle of the area, began a volume at 20:33 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
May 22, 4:45 PM EDT	TSTM WND DMG	1 W Fostoria, MI	TREE DOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 22, 2:30 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 8.5 hours before the alert went out and 62 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 955 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 162 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 
WFUS53 KDTX 222032
TORDTX
MIC087-222130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
432 PM EDT SAT MAY 22 2004

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A

* TORNADO WARNING FOR...
  LAPEER COUNTY IN SOUTHEAST MICHIGAN

* UNTIL 530 PM EDT

* AT 428 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 19 MILES WEST OF
  NORTH BRANCH...OR ABOUT 16 MILES NORTHEAST OF FLINT...MOVING EAST
  AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  NORTH BRANCH AND CLIFFORD AROUND 500 PM EDT

PEOPLE IN THE PROJECTED PATH OF THE TORNADO SHOULD SEEK SHELTER
IMMEDIATELY. MOVE INSIDE A BASEMENT...OR A SMALL INTERIOR ROOM ON THE
LOWEST FLOOR.

LAT...LON 4333 8336 4311 8346 4310 8304 4328 8300
          4327 8309 4332 8313

$$

SC / BT

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 9:40 PM EDT	Flash Flood Warning	DTX	Lenawee, Livingston, Macomb, Monroe, Oakland, Washtenaw and 1 more	6 hr
May 21, 10:05 PM EDT	Severe Thunderstorm Warning	DTX	Livingston	55 min
May 21, 10:11 PM EDT	Severe Thunderstorm Warning	DTX	Washtenaw	64 min
May 21, 10:41 PM EDT	Severe Thunderstorm Warning	DTX	Oakland	64 min
May 22, 3:42 PM EDT	Severe Thunderstorm Warning	DTX	Saginaw	78 min
May 22, 3:50 PM EDT	Tornado Warning	DTX	Saginaw	55 min
May 22, 3:58 PM EDT	Tornado Warning	DTX	Tuscola	77 min
May 22, 4:07 PM EDT	Tornado Warning	DTX	Genesee	53 min
May 22, 4:12 PM EDT	Special Marine Warning	DTX		93 min
May 22, 4:12 PM EDT	Special Marine Warning	DTX		93 min
May 22, 4:26 PM EDT	Tornado Warning	DTX	Shiawassee	64 min
May 22, 4:30 PM EDT	Tornado Warning	DTX	Sanilac	60 min
May 22, 4:42 PM EDT	Tornado Warning	DTX	Huron	63 min
May 22, 4:53 PM EDT	Tornado Warning	DTX	Genesee	67 min
May 22, 5:26 PM EDT	Tornado Warning	DTX	Lapeer	64 min
May 22, 5:30 PM EDT	Tornado Warning	DTX	Sanilac	60 min
May 22, 5:47 PM EDT	Special Marine Warning	DTX		88 min
May 22, 5:47 PM EDT	Special Marine Warning	DTX		88 min
May 22, 6:04 PM EDT	Severe Thunderstorm Warning	DTX	Oakland	41 min

Nearby

Tornado Warnings in Michigan, 2004 Every tornado warning in 2004 Tornadoes in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.