Alert archive / Wisconsin / Lake Effect Snow Advisories in 2007

Lake Effect Snow Advisory 3, NWS Milwaukee, WI

December 5, 2007Kenosha County, Milwaukee County, Racine County, Wisconsin

NWS Milwaukee, WI issued this lake effect snow advisory at Dec 5, 2007, 8:18 AM CST for Kenosha County, Milwaukee County, Racine County, Wisconsin. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Dec 5, 2007, 8:18 AM CST (14:18 UTC)
Expired: Dec 5, 2007, 11:50 AM CST
In force: 4 hr
Issued by: NWS Milwaukee, WI

Counties Kenosha County, WI, Milwaukee County, WI, Racine County, WI

The radar

The Milwaukee radar (KMKX), 60 km from the middle of the area, began a volume at 14:17 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

Davenport, (KDVN), launched 12:00Z, 2.3 hours before the alert went out and 253 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 569 m above ground
0-6 km bulk shear: 82 kt
0-1 km storm-relative helicity: -117 m²/s²
0-3 km storm-relative helicity: 29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this lake effect snow advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Milwaukee, WI wrote its last area forecast discussion before this lake effect snow advisory went out at Dec 5, 3:09 AM CST, 5 hours 9 minutes earlier.

Area forecast discussion, Dec 5, 3:09 AM CST, 5 hours 9 minutes before

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Hazardous weather outlook, Dec 5, 4:10 AM CST, 4 hours 8 minutes before

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In the hours before

Local storm report, Dec 5, 6:54 AM CST, 1 hour 24 minutes before

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Local storm report, Dec 5, 7:20 AM CST, 58 minutes before

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Local storm report, Dec 5, 7:44 AM CST, 34 minutes before

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Local storm report, Dec 5, 8:11 AM CST, 7 minutes before

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Local storm report, Dec 5, 8:12 AM CST, 6 minutes before

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Local storm report, Dec 5, 8:14 AM CST, 4 minutes before

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Nearby

Lake Effect Snow Advisories in Wisconsin, 2007 Every lake effect snow advisory in 2007

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.