Alert archive / Michigan / Tornado Warnings in 2004

Tornado Warning 31, NWS Detroit, MI

June 23, 2004Saginaw County, Michigan

NWS Detroit, MI issued this tornado warning at Jun 23, 2004, 9:07 PM EDT for Saginaw County, Michigan. It was in force for 53 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: Jun 23, 2004, 9:07 PM EDT (01:07 UTC)
Expired: Jun 23, 2004, 10:00 PM EDT
In force: 53 min
Issued by: NWS Detroit, MI
Area: Counties, with a storm outline in the text

County Saginaw County, MI

The radar

The Detroit radar (KDTX), 77 km from the middle of the area, began a volume at 01:09 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
Jun 23, 9:17 PM EDT	HAIL 0.75	3 Nw Oakley, MI
Jun 23, 9:30 PM EDT	HAIL 1	Chesaning, MI

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
Jun 23, 6:00 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 1.1 hours before the alert went out and 78 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: 742 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 1134 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 142 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KDTX 240107
TORDTX
MIC145-240200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
907 PM EDT WED JUN 23 2004

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A

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

* UNTIL 1000 PM EDT

* AT 904 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 12 MILES WEST OF
  CHESANING...OR ABOUT 15 MILES NORTHWEST OF OWOSSO...MOVING EAST AT
  40 MPH.

* THE TORNADO WILL BE NEAR...
  CHESANING AROUND 920 PM EDT
  7 MILES SOUTH OF BIRCH RUN AROUND 945 PM EDT

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.

THIS REPLACES THE SEVERE THUNDERSTORM WARNING ISSUED EARLIER.

LAT...LON 4334 8438 4314 8437 4314 8394 4322 8393
      4323 8368 4334 8369

$$

RBP / BGM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 8:47 PM EDT	Severe Thunderstorm Warning	DTX	Saginaw	73 min
Jun 23, 9:03 PM EDT	Severe Thunderstorm Warning	DTX	Shiawassee	57 min
Jun 23, 9:32 PM EDT	Severe Thunderstorm Warning	DTX	Genesee	58 min
Jun 23, 10:10 PM EDT	Severe Thunderstorm Warning	DTX	Lapeer	80 min
Jun 24, 1:04 AM EDT	Severe Thunderstorm Warning	DTX	Bay	41 min
Jun 24, 1:06 AM EDT	Special Marine Warning	DTX		84 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.