Alert archive / Michigan / Tornado Warnings in 2003

Tornado Warning 10, NWS Detroit, MI

August 1, 2003Lenawee County, Michigan

NWS Detroit, MI issued this tornado warning at Aug 1, 2003, 5:23 PM EDT for Lenawee County, Michigan. It was in force for 82 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 1, 2003, 5:23 PM EDT (21:23 UTC)
Expired
Aug 1, 2003, 6:45 PM EDT
In force
82 min
Issued by
NWS Detroit, MI
Area
Counties, with a storm outline in the text

County Lenawee County, MI

The radar

The Detroit radar (KDTX), 110 km from the middle of the area, began a volume at 21:24 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.

IssuedProductOfficeLasted
Aug 1, 3:45 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 9.4 hours before the alert went out and 114 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 2003-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 212 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 2003-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.193958Sfc1 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
212 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
1092 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

943 
WFUS53 KDTX 012123
TORDTX
MIC091-012245-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
523 PM EDT FRI AUG 1 2003

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A

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

* UNTIL 645 PM EDT

* AT 519 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES SOUTH OF
  HUDSON...OR 16 MILES WEST OF ADRIAN...MOVING EAST AT 20 MPH. 

* THE TORNADO IS EXPECTED TO BE NEAR...
  CLAYTON AT 535 PM EDT
  SENECA...ROME CENTER AT 540 PM EDT
  FAIRFIELD...ADRIAN AT 600 PM EDT
  OGDEN CENTER AT 615 PM EDT
  HOLLOWAY AT 620 PM EDT

SEEK SHELTER IN THE INNERMOST PORTION OF THE BUILDING...ON THE LOWEST
FLOOR. GET TO A BASEMENT IF ONE IS AVAILABLE...AND AVOID WINDOWS.
PROTECT YOUR BODY FROM FLYING DEBRIS WITH CUSHIONS OR PILLOWS.

LAT...LON 4191 8443 4173 8443 4173 8377 4199 8379

$$

MANN WAG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 12:52 PM EDTSevere Thunderstorm WarningDTXSaginaw68 min
Aug 1, 12:56 PM EDTSevere Thunderstorm WarningDTXShiawassee79 min
Aug 1, 2:41 PM EDTSevere Thunderstorm WarningDTXLivingston79 min
Aug 1, 2:54 PM EDTSevere Thunderstorm WarningDTXWashtenaw81 min
Aug 1, 3:22 PM EDTSevere Thunderstorm WarningDTXOakland68 min
Aug 1, 3:25 PM EDTSpecial Marine WarningDTX95 min
Aug 1, 3:25 PM EDTSpecial Marine WarningDTX95 min
Aug 1, 3:38 PM EDTSevere Thunderstorm WarningDTXWayne82 min
Aug 1, 3:46 PM EDTSpecial Marine WarningDTX119 min
Aug 1, 3:51 PM EDTSevere Thunderstorm WarningDTXLapeer, Saint Clair69 min
Aug 1, 4:12 PM EDTSevere Thunderstorm WarningDTXSanilac63 min
Aug 1, 4:16 PM EDTSevere Thunderstorm WarningDTXMacomb44 min
Aug 1, 4:59 PM EDTSevere Thunderstorm WarningDTXSaint Clair61 min
Aug 1, 5:00 PM EDTSpecial Marine WarningDTX60 min
Aug 1, 5:08 PM EDTSevere Thunderstorm WarningDTXLenawee82 min

Nearby

Tornado Warnings in Michigan, 2003Every tornado warning in 2003Tornadoes in 2003

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.