Alert archive / Wisconsin / Winter Weather Advisories in 2019
Winter Weather Advisory 21, NWS Milwaukee, WI
NWS Milwaukee, WI issued this winter weather advisory at Nov 30, 2019, 2:18 PM CST for 10 counties in Wisconsin. It took effect at Dec 1, 2019, 12:00 AM CST. It was in force for 23 hr.
The area
The counties it named.
The facts
- Issued
- Nov 30, 2019, 2:18 PM CST (20:18 UTC)
- In effect from
- Dec 1, 2019, 12:00 AM CST
- Expired
- Dec 1, 2019, 10:31 PM CST
- In force
- 23 hr
- Issued by
- NWS Milwaukee, WI
Counties Fond du Lac County, WI, Green Lake County, WI, Kenosha County, WI, Marquette County, WI, Milwaukee County, WI, Ozaukee County, WI, Racine County, WI, Sheboygan County, WI, Washington County, WI, Waukesha County, WI
The radar
The Milwaukee radar (KMKX), 46 km from the middle of the area, began a volume at 20:20 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
Lincoln, IL (KILX), launched 12:00Z, 8.3 hours before the alert went out and 354 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 552 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 190 m²/s²
- 0-3 km storm-relative helicity
- 182 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter weather 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 winter weather advisory went out at Nov 30, 12:04 PM CST, 2 hours 14 minutes earlier.
Area forecast discussion, Nov 30, 12:04 PM CST, 2 hours 14 minutes before
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</html>Hazardous weather outlook, Nov 30, 9:43 AM CST, 4 hours 35 minutes before
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Winter Weather Advisories in Wisconsin, 2019Every winter weather advisory in 2019
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.