Alert archive / Michigan / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 162, NWS Detroit, MI

October 4, 2006Tuscola County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at Oct 4, 2006, 2:50 AM EDT for Tuscola County, Michigan. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 4, 2006, 2:50 AM EDT (06:50 UTC)
Expired
Oct 4, 2006, 3:45 AM EDT
In force
55 min
Issued by
NWS Detroit, MI
Area
Counties, with a storm outline in the text

County Tuscola County, MI

The radar

The Detroit radar (KDTX), 88 km from the middle of the area, began a volume at 06:52 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
Oct 3, 10:37 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 6.8 hours before the alert went out and 86 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 2006-10-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 448 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 00:00Z on 2006-10-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
448 J/kg
Mixed-layer CIN
-231 J/kg
Mixed-layer LCL
1044 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 4, 1:58 AM EDTSevere Thunderstorm WarningDTXMidland77 min
Oct 4, 2:00 AM EDTSevere Thunderstorm WarningDTXSanilac46 min
Oct 4, 2:06 AM EDTSevere Thunderstorm WarningDTXHuron54 min
Oct 4, 2:08 AM EDTSpecial Marine WarningDTX88 min
Oct 4, 2:13 AM EDTSpecial Marine WarningDTX92 min
Oct 4, 2:15 AM EDTSevere Thunderstorm WarningDTXBay60 min
Oct 4, 2:35 AM EDTSevere Thunderstorm WarningDTXSaginaw70 min
Oct 4, 2:52 AM EDTSevere Thunderstorm WarningDTXHuron40 min
Oct 4, 7:24 AM EDTSevere Thunderstorm WarningDTXSaginaw45 min
Oct 4, 8:37 AM EDTSevere Thunderstorm WarningDTXLapeer24 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2006Every severe thunderstorm warning in 2006

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.