Alert archive / Michigan / Tornado Warnings in 2001
Tornado Warning 2, NWS Detroit, MI
NWS Detroit, MI issued this tornado warning at May 21, 2001, 2:24 PM EDT for Livingston County, Michigan. It was in force for 36 min. 1 report came from 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, with what was reported inside it.
The facts
- Issued
- May 21, 2001, 2:24 PM EDT (18:24 UTC)
- Expired
- May 21, 2001, 3:00 PM EDT
- In force
- 36 min
- Issued by
- NWS Detroit, MI
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Livingston County, MI
The radar
The Detroit radar (KDTX), 33 km from the middle of the area, began a volume at 18:26 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 21, 2:52 PM EDT | Tornado F0 | Fenton, MI | The tornado moved north from Livingston County, soon dissipating in far southern Genesee County. Tree damage was spotty along the path in Genesee County, consistent with a weak tornado. |
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 nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 6.4 hours before the alert went out and 37 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.
- Mixed-layer CAPE
- 293 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 630 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KDTX 211825 TORDTX MIC093-211900- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 224 PM EDT MON MAY 21 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * TORNADO WARNING FOR... LIVINGSTON COUNTY IN SOUTHEAST MICHIGAN * UNTIL 300 PM EDT * AT 221 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING TORNADO 3 MILES NORTHWEST OF BRIGHTON...OR 7 MILES SOUTHEAST OF HOWELL...MOVING NORTH AT 20 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... HARTLAND AT 235 PM EDT TYRONE TOWNSHIP...COHOCTAH AT 240 PM 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. LAT...LON 4251 8394 4248 8370 4278 8370 4278 8400 DJF OKEEFE
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 1:35 PM EDT | Tornado Warning | DTX | Oakland | 25 min |
| May 21, 2:51 PM EDT | Tornado Warning | DTX | Genesee | 39 min |
| May 21, 4:52 PM EDT | Tornado Warning | DTX | Genesee, Lapeer | 38 min |
Nearby
Tornado Warnings in Michigan, 2001Every tornado warning in 2001Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.