UPDATE: Thursday Snowfall, Weekend Forecast

UPDATED: Friday, December 4th, 2009 ---

Thursday evening's snowfall caused heavy traffic delays across the area, as between 2 and 3 inches of snow fell across much of Southcentral Wisconsin.

Friday and into the weekend is expected to be much clearer. Your Forecast from NBC 15, The Weather Authority:

Friday: Scattered flurries. Cloudy, with a high near 26. West wind between 10 and 15 mph. Friday Night: Scattered flurries before midnight. Mostly cloudy, with a low around 20. West wind around 10 mph. Saturday: Partly sunny, with a high near 31. South wind between 5 and 10 mph. Saturday Night: Partly cloudy, with a low around 21. South wind between 5 and 10 mph. Sunday: Increasing clouds, with a high near 35. South wind around 10 mph.
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UPDATED Thursday, December 3, 2009 --- 8:36 p.m.

The final batches of accumulating snow are moving out of South Central Wisconsin. The Winter Weather Advisory is dropped for most areas, but it continues for Jefferson and Walworth Counties.

As of 8pm, some totals include:
Palmyra 2.5"
Stoughton 2.4"
Fennimore 2.2"
Verona 2.1"
Middleton 2.0"

Clouds, scattered snow showers and colder air take us through the overnight. Since many roads have less than an inch of slush, and road crews are salting, there should be little if any delays Friday morning.
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UPDATED: Thursday, December 3rd, 2009 --- 4:06 p.m.

From the National Weather Service office in Sullivan, WI:

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 10 PM CST THIS EVENING.

TIMING:
SNOW WILL BECOME HEAVIER THIS AFTERNOON AND EVENING. THE HEAVIEST SNOW SHOULD FALL BETWEEN 4 PM AND 9 PM.

SNOW ACCUMULATIONS:
3 TO 5 INCHES. AXIS OF HEAVIEST SNOW LIKELY TO BE FROM DODGEVILLE TO STOUGHTON TO MILTON.

WINDS:
WEST AT 5 TO 10 MPH...THOUGH A BRIEF PERIOD OF GUST 15 TO
20 MPH WINDS IS POSSIBLE THIS EVENING. STRONGEST WINDS TOWARD
ILLINOIS BORDER.

IMPACTS:
EVENING RUSH HOUR IN MADISON AND JANESVILLE WILL LIKELY
BE SNARLED WITH SNOW COVERED AND SLIPPERY CONDITIONS. VISIBILITY WILL BE REDUCED TO ONE HALF MILE OR LESS AT TIMES. MINOR
DRIFTING OF SNOW ALONG NORTH- SOUTH ROADS IN OPEN AND RURAL
AREAS IS EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.
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ROCK COUNTY: WINTER WEATHER ADVISORY

The National Weather Service has issued a winter weather advisory for Rock County which is in effect until 10PM CST this evening. The anticipated total afternoon and evening snow accumulation is expected to be 3 to 6 inches. Winds will be between 5 and 10 mph with 20 mph winds possible towards the Illinois border.

In addition, The National Weather Service also advises evening rush hour traffic in and around Rock County will likely be snarled with snow covered and slippery road conditions. Currently, the Rock County Sheriff’s Office is responding to run-offs. Bridges and overpasses are ice-covered and slippery. Visibility will be reduced to one-half mile or less at times. Minor drifting of snow along the north-south roads in open and rural areas is expected.

The Rock County Sheriff’s Office advises all motorists to limit their travel plans and to continue to monitor local media outlets for updates on road conditions.

Travelers are strongly cautioned:

1. Do not travel unless absolutely necessary.
2. Leave early and allow for allow plenty of extra drive time for any necessary travel.
3. Travel at slow speeds and well below the speed limit.
4. Establish and increased safety zone distance between you and the vehicle you are following, especially snowplow and road salt trucks.
5. Maintain control by making slow, deliberate corrections in direction or speed.
6. Anticipate hazards ahead and take corrective action early.
7. Use extreme caution if you attempt to pass slow moving traffic – snow and slush that accumulates between the lanes may cause you to lose control.
8. Allow for considerable extra time and distance when stopping.
9. Bridges and overpasses may be iced over well before the adjacent roadways.
10. Conditions may change quickly and unpredictably, especially when transitioning to different roadways (interstate vs. state highway vs. county highway vs. town roads vs. city streets and boulevards), different road surfaces, and when crossing jurisdictional boundaries.
11. Keep your gas tank full should you get stuck and need to stay warm, and be sure to keep the area around the muffler clear when running the car while you’re stranded.
12. Carry emergency supplies such as a flashlight, flares, jumper cables, a shovel, tow-strap, blankets, warm clothing and appropriate footwear.
13. Don’t forget to bring your cell phone along should you get stranded.

Drivers should understand winter weather emergencies strain government resources and delay the response of all emergency service providers, including police, fire/EMS, and snowplows/salt trucks and towing companies. Injury crashes will take priority over run-offs and stalled vehicles and the response delay in those circumstances may be long.

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POSTED: Thursday, December 3rd, 2009 --- 9:00 a.m.

From NBC 15's Meteorologists, The Weather Authority:

Today's forecast: Snow is likely, mainly after 3pm. It will be cloudy with a high near 34 degrees, with a West wind between 5 and 10 mph. Chance of precipitation is 70%, with the possibility of new snow accumulation of around an inch.

For tonight: Snow likely, mainly before midnight, then a chance for flurries. Cloudy, with a low around 24, and a West wind between 5 and 10 mph. Again, the chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
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From the City of Madison:

The City is expecting its first pavement accumulating snow of the season later this afternoon into the evening.

Our forecasters are calling for light snow beginning around 3:00 pm and gradually accumulating to about 1.5" by 10:00 pm.

While we do expect some of the snow to initially melt when it hits the pavement due to the warmer ground and pavement temperatures, we are expecting the roads to eventually become snow covered and slippery.

We urge all motorists to use good winter driving techniques when driving home this afternoon and evening. Remember to slow down, brake early and slowly and remember to stay back from the plows and salt spreaders so they are able to do their work and clear the streets more efficiently.

We have our 30 salt routes geared up and ready to go as soon as the snow starts to accumulate. Remember that Madison only salts the main arterials, main thouroughfares, connector streets, Madison Metro Bus Routes, streets around the hospitals and major hills and curves. We don't salt all streets in an effort to keep the chloride levels in our ground and lake water from rising.


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