Alert archive / Michigan / Tornado Warnings in 2004

Tornado Warning 30, NWS Detroit, MI

June 13, 2004Saint Clair County, Sanilac County, Michigan

NWS Detroit, MI issued this tornado warning at Jun 13, 2004, 8:15 PM EDT for Saint Clair County, Sanilac County, Michigan. It was in force for 60 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
Jun 13, 2004, 8:15 PM EDT (00:15 UTC)
Expired
Jun 13, 2004, 9:15 PM EDT
In force
60 min
Issued by
NWS Detroit, MI
Area
Counties, with a storm outline in the text

Counties Saint Clair County, MI, Sanilac County, MI

The radar

The Detroit radar (KDTX), 104 km from the middle of the area, began a volume at 00:16 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 00:00Z, 0.3 hours before the alert went out and 100 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 00:00Z on 2004-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1133 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2004-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
1133 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
852 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.8

Open this sounding in Storm Lab

The text

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

294 
WFUS53 KDTX 140015
TORDTX
MIC147-151-140115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
814 PM EDT SUN JUN 13 2004

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A

* TORNADO WARNING FOR...
  SANILAC COUNTY IN SOUTHEAST MICHIGAN
  ST. CLAIR COUNTY IN SOUTHEAST MICHIGAN

* UNTIL 915 PM EDT

* AT 811 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR YALE...OR
  ABOUT 21 MILES NORTHWEST OF PORT HURON...MOVING NORTHEAST AT 35
  MPH.

* THE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WILL BE NEAR...
  CROSWELL AROUND 830 PM EDT
  LEXINGTON AROUND 835 PM EDT

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING FOR 
SANILAC COUNTY. 

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 4337 8293 4305 8285 4329 8200 4357 8217
      4352 8254

$$

RBP / JB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 8:13 PM EDTSpecial Marine WarningDTX92 min
Jun 14, 2:06 PM EDTSevere Thunderstorm WarningDTXLivingston84 min
Jun 14, 2:18 PM EDTSevere Thunderstorm WarningDTXShiawassee57 min
Jun 14, 2:19 PM EDTSevere Thunderstorm WarningDTXLenawee71 min
Jun 14, 2:39 PM EDTSevere Thunderstorm WarningDTXGenesee66 min
Jun 14, 2:42 PM EDTSevere Thunderstorm WarningDTXWashtenaw78 min
Jun 14, 2:50 PM EDTSevere Thunderstorm WarningDTXOakland85 min
Jun 14, 3:17 PM EDTSpecial Marine WarningDTX118 min
Jun 14, 3:17 PM EDTSpecial Marine WarningDTX118 min
Jun 14, 3:21 PM EDTSpecial Marine WarningDTX114 min
Jun 14, 3:21 PM EDTSevere Thunderstorm WarningDTXMonroe54 min
Jun 14, 3:32 PM EDTSevere Thunderstorm WarningDTXWayne58 min
Jun 14, 3:35 PM EDTSevere Thunderstorm WarningDTXMacomb70 min
Jun 14, 4:00 PM EDTSevere Thunderstorm WarningDTXSaint Clair75 min
Jun 14, 7:16 PM EDTSpecial Marine WarningDTX44 min

Nearby

Tornado Warnings in Michigan, 2004Every tornado warning in 2004Tornadoes in 2004

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.