Alert archive / Wisconsin / Special Weather Statements in 2016

Special Weather Statement, NWS Duluth, MN

October 17, 2016Sawyer County, Wisconsin

NWS Duluth, MN issued this special weather statement at Oct 17, 2016, 1:56 AM CDT for Sawyer 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 outline as issued.

The facts

Issued
Oct 17, 2016, 1:56 AM CDT (06:56 UTC)
Expired
Oct 17, 2016, 2:15 AM CDT
In force
19 min
Issued by
NWS Duluth, MN

County Sawyer County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 6.9 hours before the alert went out and 273 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 00:00Z on 2016-10-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2016-10-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1458 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 16, 9:19 PM CDTSpecial Weather StatementDLHAitkin26 min
Oct 16, 9:26 PM CDTSpecial Weather StatementDLHCass34 min
Oct 17, 1:55 AM CDTSpecial Weather StatementDLHIron20 min
Oct 17, 2:33 AM CDTSpecial Weather StatementDLHPrice27 min
Oct 17, 6:56 PM CDTSpecial Weather StatementDLHPrice49 min

Nearby

Special Weather Statements in Wisconsin, 2016Every special weather statement in 2016

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.