Alert archive / Michigan / Tornado Warnings in 1997

Tornado Warning 3, NWS Detroit, MI

June 21, 1997Genesee County, Michigan

NWS Detroit, MI issued this tornado warning at Jun 21, 1997, 5:48 PM EDT for Genesee County, Michigan. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 21, 1997, 5:48 PM EDT (21:48 UTC)
Expired: Jun 21, 1997, 6:15 PM EDT
In force: 27 min
Issued by: NWS Detroit, MI
Area: Whole counties

County Genesee County, MI

The radar

The Detroit radar (KDTX), 41 km from the middle of the area, began a volume at 21:50 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
Jun 21, 4:00 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 9.8 hours before the alert went out and 40 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: 801 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 11 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.

592 
WFUS01 KDTX 212150 RRA
TORDTX
MIC049-212215-

BULLETIN - EAS ACTIVATION
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
548 PM EDT SAT JUN 21 1997

*   TORNADO WARNING FOR
    GENESEE COUNTY - SOUTHEASTERN LOWER MICHIGAN

*   UNTIL 615 PM EDT
 
*   SOME AREAS AFFECTED
    DAVISON                       BY 600 PM EDT

*   AT 545 PM EDT...A POSSIBLE TORNADO WAS INDICATED BY
    DETROIT/PONTIAC   DOPPLER RADAR AND SPOTTER REPORTS 4 MILES
    SOUTHEAST OF FLINT MOVING   EAST AT 35 MPH.
 
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.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 10:59 PM EDT	Severe Thunderstorm Warning	DTX	Lenawee	46 min
Jun 21, 4:31 PM EDT	Severe Thunderstorm Warning	DTX	Shiawassee	59 min
Jun 21, 4:47 PM EDT	Tornado Warning	DTX	Genesee	43 min
Jun 21, 5:31 PM EDT	Tornado Warning	DTX	Lapeer	44 min
Jun 21, 6:04 PM EDT	Flash Flood Warning	DTX	Genesee, Lapeer	2 hr
Jun 21, 6:18 PM EDT	Severe Thunderstorm Warning	DTX	Saint Clair, Sanilac	57 min
Jun 21, 6:40 PM EDT	Severe Thunderstorm Warning	DTX	Oakland	35 min
Jun 21, 6:50 PM EDT	Severe Thunderstorm Warning	DTX	Macomb	65 min
Jun 21, 7:15 PM EDT	Severe Thunderstorm Warning	DTX	Saint Clair	45 min
Jun 21, 7:24 PM EDT	Severe Thunderstorm Warning	DTX	Wayne	31 min

Nearby

Tornado Warnings in Michigan, 1997 Every tornado warning in 1997 Tornadoes in 1997

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.