Alert archive / Wisconsin / Winter Weather Advisories in 2012
Winter Weather Advisory 7, NWS Milwaukee, WI
NWS Milwaukee, WI issued this winter weather advisory at Feb 23, 2012, 8:54 PM CST for Kenosha County, Racine County, Walworth County, Wisconsin. It took effect at Feb 23, 2012, 9:00 PM CST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Feb 23, 2012, 8:54 PM CST (02:54 UTC)
- In effect from
- Feb 23, 2012, 9:00 PM CST
- Expired
- Feb 24, 2012, 9:00 AM CST
- In force
- 12 hr
- Issued by
- NWS Milwaukee, WI
Counties Kenosha County, WI, Racine County, WI, Walworth County, WI
The radar
The Milwaukee radar (KMKX), 53 km from the middle of the area, began a volume at 02:55 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 00:00Z, 2.9 hours before the alert went out and 232 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
- 484 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 697 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 Feb 23, 8:43 PM CST, 11 minutes earlier.
Area forecast discussion, Feb 23, 8:43 PM CST, 11 minutes before
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</html>Hazardous weather outlook, Feb 23, 3:51 PM CST, 5 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 351 PM CST THU FEB 23 2012 WIZ046-047-051-052-056>060-062>072-241115- MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE- WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE- LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA- 351 PM CST THU FEB 23 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN. .DAY ONE...TONIGHT A WINTER WEATHER ADVISORY IS IN EFFECT TONIGHT FOR LAFAYETTE...GREEN...ROCK...WALWORTH...RACINE AND KENOSHA COUNTIES. A WINTER WEATHER ADVISORY GOES INTO EFFECT AT 9 PM CST THIS EVENING FOR MILWAUKEE AND WAUKESHA COUNTIES. SNOW ACCUMULATION OF 3 TO 5 INCHES IS EXPECTED IN THESE AREAS...WITH AMOUNTS UP TO 6 INCHES POSSIBLE IN KENOSHA COUNTY NEAR THE WISCONSIN AND ILLINOIS BORDER. ELSEWHERE ACROSS SOUTHERN WISCONSIN...SNOW ACCUMULATION OF 1 TO 3 INCHES IS EXPECTED. ROADS WILL BECOME SNOW COVERED AND SLIPPERY TONIGHT. THE SNOW IS A RESULT OF A STRONG UPPER LEVEL DISTURBANCE MOVING ACROSS NORTHERN ILLINOIS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THE WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST FRIDAY MORNING FOR THE AREAS PREVIOUSLY MENTIONED. THE SNOW WILL TAPER OFF TO SCATTERED LIGHT SNOW SHOWERS THROUGH THE REST OF FRIDAY. VERY WINDY CONDITIONS ARE LIKELY SUNDAY INTO MONDAY...AS STRONG LOW PRESSURE TRACKS FROM THE DAKOTAS NORTHEAST TO LAKE SUPERIOR...AND THEN INTO CANADA. A WIND ADVISORY MAY BE NEEDED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED IN THE NEXT SEVEN DAYS...HOWEVER SNOWFALL REPORTS ARE APPRECIATED. LMZ643>646-241115- 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- 351 PM CST THU FEB 23 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE MICHIGAN. .DAY ONE...TONIGHT A SMALL CRAFT ADVISORY IS IN EFFECT TONIGHT FOR BRISK NORTH WINDS AND HIGH WAVES...DUE TO STRONG LOW PRESSURE TRACKING FROM THE MIDDLE MISSISSIPPI RIVER VALLEY TO NEAR DETROIT. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A SMALL CRAFT ADVISORY CONTINUES UNTIL MID AFTERNOON ON FRIDAY...FOR BRISK NORTHWEST WINDS AND LINGERING HIGH WAVES ASSOCIATED WITH THE PASSING LOW. GALE FORCE WINDS MAY THEN OCCUR FOR SUNDAY INTO MONDAY...AS STRONG LOW PRESSURE TRACKS FROM THE DAKOTAS NORTHEAST THROUGH LAKE SUPERIOR AND INTO CANADA. DAVIS/WOOD WWW.WEATHER.GOV/MKX
In the hours before
Local storm report, Feb 23, 8:11 PM CST, 43 minutes before
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</html>Local storm report, Feb 23, 8:41 PM CST, 13 minutes before
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</html>Local storm report, Feb 23, 8:44 PM CST, 10 minutes before
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</html>Local storm report, Feb 23, 8:47 PM CST, 7 minutes before
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</html>Local storm report, Feb 23, 8:54 PM CST, 0 minutes before
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</html>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.