Wisconsin Weather Update for February 27, 2012.

By: HaleStorm , 1:28 PM GMT on February 27, 2012

Get your popcorn ready…
…because come Wednesday morning, you may not want to leave your house! Yes, the storm we’ve been waiting for all winter long may finally arrive tomorrow evening, with a heavy “mix changing to snow” event expected. This storm could be much more interesting in northern and central Wisconsin, because warm air may keep some of this precip as a mix or even rain early on, before colder air moves in and eventually changes it over to snow for everyone by Wednesday morning. With warmer temperatures expected to keep more of this as rain or a mix south, I suspect this is why southern Wisconsin is not under the same Winter Storm Watch that northern and central Wisconsin is under for tomorrow night through Wednesday afternoon. Snowfall amounts will vary greatly depending on where you live, but where this falls entirely as snow, up to a foot of snow is possible! And if this storm ends up disappointing you, fear not, as ANOTHER big storm is expected on FRIDAY! It took until late February and early March, but it looks like winter is finally here. Get your popcorn ready.
http://www.crh.noaa.gov/news/display_cmsstory.php ?wfo=grb&storyid=76964&source=0
http://www.crh.noaa.gov/news/display_cmsstory.php ?wfo=mkx&storyid=79598&source=0

Active Advisory: (Source: National Weather Service)
Fox Cities:
Winter Storm Watch in effect from Tuesday evening through Wednesday afternoon...
http://www.wunderground.com/DisplayDisc.asp?Discu ssionCode=GRB

Today’s Forecast Grade: B-
Short-Term Forecast Confidence: Low to Medium

Wisconsin Forecast:
Today’s Conditions: Mostly cloudy and windy with decreasing clouds and winds later today. Maybe a flurry this morning if you’re lucky.
Today’s High Temps: A little colder than yesterday with a high of 35. Wind chills probably in the teens during the morning. Stupid wind.
Today’s Winds: Windy from the west, decreasing later.

Raw Model Data: (combined numerical output range from three different NOAA weather models)
Appleton: Highs 30-35.
Madison: Highs 34-35.
Milwaukee: Highs 34-36.
http://www.nws.noaa.gov/cgi-bin/mos/getall.pl?sta =KATW&sta=KMSN&sta=KMKE

Tonight: Increasing clouds. Lows near 20.

Tomorrow’s Conditions: Cloudy with a mix of precip developing in the late afternoon. This mix gets very heavy tomorrow night and gradually changes over to snow by Wednesday morning. Snowfall amounts will vary greatly depending on what type of precip falls in your backyard, with the precip being more of a mix or even rain the further south you live, but parts of northern Wisconsin could see 9-15” of new snow and central Wisconsin 5-8”, before this thing moves away Wednesday afternoon.
Tomorrow’s Temps: Highs in the mid- 30s east-central, upper 30s south. Lows tomorrow night in the upper 20s to lower 30s.
Tomorrow’s Winds: Becoming windy again from the southeast.

Extended Outlook:
Conditions: Snow diminishes in intensity Wednesday morning before gradually ending Wednesday afternoon. But if this storm isn’t enough for you, we’ve got another one on Friday which could dump more shovelable snow to Wisconsin. Light snow lingers on Saturday, maybe, then dry on Sunday.
High Temperatures: Just above 40 on Wednesday, upper 30s to near 40 Thursday and Friday, then 30-35 this weekend.
Extended Forecast Confidence: Medium

Today Outside of Wisconsin:

Minneapolis/St. Paul, Minnesota:
Winter Storm Watch in effect from Tuesday afternoon through Wednesday afternoon...
Conditions: Becoming partly cloudy.
High Temperatures: Low to mid- 30s.
http://www.wunderground.com/US/MN/Minneapolis.htm l
http://www.weather.com/outlook/travel/businesstra veler/local/USMN0503

Anna, Illinois:
Conditions: Partly cloudy.
High Temperatures: Mid- 50s.
http://www.weather.com/outlook/travel/businesstra veler/local/USIL0033

League City, Texas:
Conditions: Scattered showers.
High Temperatures: Upper 60s.
http://www.wunderground.com/US/TX/League_City.htm l
http://www.weather.com/outlook/travel/businesstra veler/local/USTX0745

Hilton Head Island, South Carolina:
Conditions: Rain.
High Temperatures: Mid- 60s.
http://www.wunderground.com/US/SC/Hilton_Head_Isl and.html
http://www.weather.com/outlook/travel/businesstra veler/local/USSC0155

Charlotte, North Carolina:
Conditions: Scattered showers.
High Temperatures: Mid- 50s.
http://www.weather.com/outlook/travel/businesstra veler/local/USNC0121

Las Vegas, Nevada:
Conditions: Scattered thunderstorms. Yep!
High Temperatures: Lower 60s.
http://www.weather.com/outlook/travel/businesstra veler/local/USNV0040

Davenport, Florida:
Conditions: Scattered thunderstorms.
High Temperatures: Near 80.
http://www.weather.com/outlook/travel/businesstra veler/local/USFL0104

The views of the author are his/her own and do not necessarily represent the position of The Weather Company or its parent, IBM.

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About HaleStorm

Atmospheric and Oceanic Sciences degree from UW-Madison: 1998. Former broadcast Meteorologist for NewsRadio 1310 WIBA in Madison. NWS Storm Spotter.

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