Alert archive / Michigan / Tornado Warnings in 2001

Tornado Warning 10, NWS Detroit, MI

October 24, 2001Tuscola County, Michigan

NWS Detroit, MI issued this tornado warning at Oct 24, 2001, 4:53 PM EDT for Tuscola County, Michigan. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Oct 24, 2001, 4:53 PM EDT (20:53 UTC)
Expired: Oct 24, 2001, 6:00 PM EDT
In force: 67 min
Issued by: NWS Detroit, MI
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Tuscola County, MI

The radar

The Detroit radar (KDTX), 82 km from the middle of the area, began a volume at 20:56 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Oct 24, 4:15 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 8.9 hours before the alert went out and 80 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: 227 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 511 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 105 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

909 
WFUS53 KDTX 242053
TORDTX
MIC157-242200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
453 PM EDT WED OCT 24 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 600 PM EDT

* AT 451 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A TORNADO 5 MILES SOUTH OF REESE MOVING NORTHEAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  VASSAR AT 500 PM EDT
  WATROUSVILLE AT 505 PM EDT
  FAIRGROVE...MAYVILLE AT 510 PM EDT
  CARO AT 515 PM EDT
  EAST DAYTON AT 520 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 4347 8372 4324 8371 4335 8314 4365 8315

WAG JW

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 24, 4:01 PM EDT	Severe Thunderstorm Warning	DTX	Saginaw	74 min
Oct 24, 4:02 PM EDT	Special Marine Warning	DTX		88 min
Oct 24, 4:08 PM EDT	Tornado Warning	DTX	Saginaw	67 min
Oct 24, 6:48 PM EDT	Severe Thunderstorm Warning	DTX	Lenawee	57 min
Oct 24, 7:01 PM EDT	Severe Thunderstorm Warning	DTX	Livingston, Washtenaw	59 min
Oct 24, 7:45 PM EDT	Severe Thunderstorm Warning	DTX	Monroe	45 min

Nearby

Tornado Warnings in Michigan, 2001 Every tornado warning in 2001 Tornadoes in 2001

Sources

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