Alert archive / Michigan / Tornado Warnings in 2001

Tornado Warning 5, NWS Detroit, MI

May 25, 2001Oakland County, Michigan

NWS Detroit, MI issued this tornado warning at May 25, 2001, 6:14 PM EDT for Oakland County, Michigan. It was in force for 46 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
May 25, 2001, 6:14 PM EDT (22:14 UTC)
Expired
May 25, 2001, 7:00 PM EDT
In force
46 min
Issued by
NWS Detroit, MI
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Oakland County, MI

The radar

The Detroit radar (KDTX), 10 km from the middle of the area, began a volume at 22:18 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 nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 10.2 hours before the alert went out and 14 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-pSkew-T log-p diagram, Detroit, MI at 12:00Z on 2001-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 37 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2001-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
37 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
996 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
89 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 252214
TORDTX
MIC125-252300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
614 PM EDT FRI MAY 25 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 700 PM EDT

* AT 613 PM EDT...A TORNADO AS INDICATED BY TRAINED WEATHER SPOTTERS
  WAS LOCATED 3 MILES NORTHEAST OF MILFORD...OR 14 MILES WEST OF
  PONTIAC...MOVING NORTH AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  WHITE LAKE...HIGHLAND AT 620 PM EDT
  DAVISBURG AT 635 PM EDT
  HOLLY AT 645 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.

LAT...LON 4252 8366 4254 8342 4288 8346 4286 8369

JZ BGM

&

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 4:26 PM EDTSevere Thunderstorm WarningDTXWashtenaw34 min
May 25, 4:49 PM EDTSevere Thunderstorm WarningDTXMonroe41 min
May 25, 4:56 PM EDTSevere Thunderstorm WarningDTXWashtenaw34 min
May 25, 6:13 PM EDTSevere Thunderstorm WarningDTXSaginaw62 min
May 25, 6:58 PM EDTSevere Thunderstorm WarningDTXSaginaw47 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.