Alert archive / Michigan / Tornado Warnings in 2000

Tornado Warning 1, NWS Detroit, MI

May 9, 2000Lenawee County, Washtenaw County, Michigan

NWS Detroit, MI issued this tornado warning at May 9, 2000, 7:39 PM EDT for Lenawee County, Washtenaw County, Michigan. It was in force for 66 min. 9 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 9, 2000, 7:39 PM EDT (23:39 UTC)
Expired: May 9, 2000, 8:45 PM EDT
In force: 66 min
Issued by: NWS Detroit, MI
Area: Whole counties

Counties Lenawee County, MI, Washtenaw County, MI

The radar

The Detroit radar (KDTX), 80 km from the middle of the area, began a volume at 23:39 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
May 9, 7:40 PM EDT	Hail 1	Adrian, MI
May 9, 7:46 PM EDT	Thunderstorm Wind 70 E	Adrian, MI
May 9, 7:48 PM EDT	Thunderstorm Wind 52 E	Onsted, MI
May 9, 8:00 PM EDT	Thunderstorm Wind 74 E	Tecumseh, MI
May 9, 8:00 PM EDT	Hail 1.75	Tecumseh, MI
May 9, 8:06 PM EDT	Hail 3	Saline, MI
May 9, 8:24 PM EDT	Thunderstorm Wind 60 E	Milan, MI
May 9, 8:26 PM EDT	Thunderstorm Wind 52 E	Dexter, MI
May 9, 8:40 PM EDT	Thunderstorm Wind 52 E	Ypsilanti, MI

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 watch it was issued in

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

Issued	Product	Office	Lasted
May 9, 6:30 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 11.7 hours before the alert went out and 84 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: 1010 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 224 m²/s²
0-3 km storm-relative helicity: 194 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 092340
TORDTX
MIC091-161-100045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
739 PM EDT TUE MAY 9 2000

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A

* TORNADO WARNING FOR...
  WASHTENAW COUNTY IN SOUTHEAST MICHIGAN
  LENAWEE COUNTY IN SOUTHEAST MICHIGAN

* UNTIL 845 PM EDT

* AT 739 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 4 MILES WEST OF HOLLOWAY...OR 5 MILES NORTHEAST
  OF ADRIAN...MOVING NORTHEAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  BRITTON...CLINTON AT 745 PM EDT
  BRIDGEWATER AT 755 PM EDT
  MILAN...SALINE AT 805 PM EDT
  WHITTAKER AT 810 PM EDT
  ANN ARBOR AT 815 PM EDT
  YPSILANTI AT 820 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.

WAG JZ

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 12:05 AM EDT	Severe Thunderstorm Warning	DTX	Huron	40 min
May 9, 12:44 AM EDT	Severe Thunderstorm Warning	DTX	Midland	31 min
May 9, 1:34 AM EDT	Severe Thunderstorm Warning	DTX	Huron	41 min
May 9, 2:21 AM EDT	Severe Thunderstorm Warning	DTX	Genesee, Shiawassee	39 min
May 9, 3:48 AM EDT	Severe Thunderstorm Warning	DTX	Wayne	27 min
May 9, 4:04 AM EDT	Severe Thunderstorm Warning	DTX	Macomb, Saint Clair	26 min
May 9, 6:49 PM EDT	Severe Thunderstorm Warning	DTX	Lenawee	41 min
May 9, 6:57 PM EDT	Severe Thunderstorm Warning	DTX	Monroe, Wayne	63 min
May 9, 7:25 PM EDT	Severe Thunderstorm Warning	DTX	Lenawee	35 min
May 9, 7:59 PM EDT	Severe Thunderstorm Warning	DTX	Macomb, Wayne	46 min

Nearby

Tornado Warnings in Michigan, 2000 Every tornado warning in 2000 Tornadoes in 2000

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.