Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 232, NWS Duluth, MN

October 3, 2006Iron County, Wisconsin

NWS Duluth, MN issued this severe thunderstorm warning at Oct 3, 2006, 3:36 PM CDT for Iron County, Wisconsin. It was in force for 19 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 3, 2006, 3:36 PM CDT (20:36 UTC)
Expired
Oct 3, 2006, 3:55 PM CDT
In force
19 min
Issued by
NWS Duluth, MN
Area
Counties, with a storm outline in the text

County Iron County, WI

The radar

The Duluth radar (KDLH), 160 km from the middle of the area, began a volume at 20:37 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.6 hours before the alert went out and 265 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, Green Bay/Straub, WI at 12:00Z on 2006-10-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 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, Green Bay/Straub, WI at 12:00Z on 2006-10-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
15 J/kg
Mixed-layer CIN
-620 J/kg
Mixed-layer LCL
896 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 3, 3:21 PM CDTSevere Thunderstorm WarningDLHCass, Crow Wing39 min
Oct 3, 4:39 PM CDTSevere Thunderstorm WarningDLHPine51 min
Oct 3, 1:29 PM CDTSevere Thunderstorm WarningDLHBayfield, Douglas31 min
Oct 3, 1:56 PM CDTSevere Thunderstorm WarningDLHBayfield, Douglas34 min
Oct 3, 2:28 PM CDTSevere Thunderstorm WarningDLHAshland, Bayfield32 min
Oct 3, 5:38 PM CDTSevere Thunderstorm WarningDLHBurnett, Washburn52 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 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.