Alert archive / Wisconsin / Winter Weather Advisories in 2012
Winter Weather Advisory 1, NWS Milwaukee, WI
NWS Milwaukee, WI issued this winter weather advisory at Jan 11, 2012, 2:51 PM CST for 20 counties in Wisconsin. It took effect at Jan 12, 2012, 3:00 AM CST. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- Jan 11, 2012, 2:51 PM CST (20:51 UTC)
- In effect from
- Jan 12, 2012, 3:00 AM CST
- Expired
- Jan 13, 2012, 3:15 AM CST
- In force
- 24 hr
- Issued by
- NWS Milwaukee, WI
Counties Columbia County, WI, Dane County, WI, Dodge County, WI, Fond du Lac County, WI, Green County, WI, Green Lake County, WI, Iowa County, WI, Jefferson County, WI, Kenosha County, WI, Lafayette County, WI, Marquette County, WI, Milwaukee County, WI, Ozaukee County, WI, Racine County, WI, Rock County, WI, Sauk County, WI, Sheboygan County, WI, Walworth County, WI, Washington County, WI, Waukesha County, WI
The radar
The Milwaukee radar (KMKX), 31 km from the middle of the area, began a volume at 20:53 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, 8.9 hours before the alert went out and 157 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
- 1428 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 110 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 Jan 11, 2:25 PM CST, 26 minutes earlier.
Area forecast discussion, Jan 11, 2:25 PM CST, 26 minutes before
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</html>Hazardous weather outlook, Jan 11, 3:33 AM CST, 11 hours 18 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 333 AM CST WED JAN 11 2012 WIZ046-047-051-052-056>060-062>072-120945- MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE- WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE- LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA- 333 AM CST WED JAN 11 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN. .DAY ONE...TODAY AND TONIGHT A WINTER STORM WATCH GOES INTO EFFECT AFTER 3 AM TONIGHT...ROUGHLY WEST OF A LINE STRETCHING FROM BERLIN IN GREEN LAKE COUNTY TO BRODHEAD IN GREEN COUNTY. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A WINTER STORM WATCH IS IN EFFECT FOR ALL OF SOUTH CENTRAL AND SOUTHEAST WISCONSIN THROUGH EARLY FRIDAY MORNING AS AN INTENSE LOW PRESSURE SYSTEM TAKES SHAPE OVER THE CENTRAL GREAT LAKES REGION. SNOW WILL OVERSPREAD THE ENTIRE AREA BY THURSDAY MORNING AND CONTINUE INTO FRIDAY. THIS LONG DURATION SNOWFALL SHOULD LEAD TO SNOW TOTALS RANGING FROM AROUND 6 INCHES OVER SOUTHERN LAFAYETTE AND GREEN COUNTIES...TO 8 TO 9 INCHES OVER A LARGE PART OF SOUTHEAST WISCONSIN...INCLUDING THE MILWAUKEE METRO AREA. THE MADISON METRO AREA COULD SEE UP TO 7 INCHES. IN ADDITION...BRISK NORTHWEST WINDS OF 15 TO 25 MPH WITH A FEW HIGHER GUSTS SHOULD RESULT IN SOME BLOWING AND DRIFTING SNOW. TRAVEL WILL LIKELY BE IMPACTED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED...BUT SNOWFALL REPORTS WILL BE APPRECIATED OVER THE NEXT COUPLE OF DAYS. LMZ643>646-120945- SHEBOYGAN TO PORT WASHINGTON WI- PORT WASHINGTON TO NORTH POINT LIGHT WI- NORTH POINT LIGHT TO WIND POINT WI- WIND POINT WI TO WINTHROP HARBOR IL- 333 AM CST WED JAN 11 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE MICHIGAN. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A SMALL CRAFT ADVISORY WILL BE NEEDED FROM THURSDAY AFTERNOON THROUGH FRIDAY NIGHT AS STRONG LOW PRESSURE DEVELOPS OVER THE GREAT LAKES REGION. BRISK NORTHWEST WINDS WILL GENERATE LARGE WAVES...THE HIGHEST WAVES WILL BE TOWARD OPEN WATER. WIND SPEEDS WILL APPROACH GALE WARNING LEVELS FOR A TIME THURSDAY NIGHT. DAVIS WWW.WEATHER.GOV/MKX
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 11, 3:51 AM CST | Winter Storm Watch | MKX | Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more | 11 hr |
| Jan 11, 3:33 PM CST | Small Craft Advisory | MKX | 54 hr |
Nearby
Winter Weather Advisories in Wisconsin, 2012Every winter weather advisory in 2012
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.