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Students brave the snow on the campus of the University of Nebraska-Omaha, in Omaha, Neb., Tuesday, Dec. 8, 2009, as a winter storm travels through the region. (AP Photo/Nati Harnik)
Students brave the snow on the campus of the University of Nebraska-Omaha, in Omaha, Neb., Tuesday, Dec. 8, 2009, as a winter storm travels through the region. (AP Photo/Nati Harnik)

Dangerous wind chill blankets the area

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news Worthington, 56187

Worthington Minnesota 300 11th Street / P.O. Box 639 56187

1:35 p.m. Wednesday

SIOUX FALLS, S.D. - The blizzard warning expired at noon, but the wind chill advisory remains in effect until noon Thursday for Lyon, Osceola, Dickinson and O'Brien counties in Iowa and Murray, Cottonwood, Nobles, Jackson, Pipestone and Rock counties in Minnesota

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A wind chill advisory is issued when a strong wind will combine with cold temperatures to create dangerously cold conditions for exposed skin. The wind will make it feel like it is 20 degrees below zero or colder for a period of several hours. Those planning to venture outdoors should dress warmly, making sure that all exposed skin is covered.

10:19 a.m. Wednesday

SIOUX FALLS, S.D. - A wind chill advisory has been issued for Lyon, Osceola, Dickinson and O'Brien counties in Iowa and Murray, Cottonwood, Nobles, Jackson, Pipestone and Rock counties in Minnesota, set to expire at noon Thursday.

The blizzard warning remains in effect until noon today.

Light snow and blowing snow will continue through the morning, with visibility frequently reduced to less than a quarter mile. Conditions are expected to improve by early afternoon, although some drifting snow will continue into the afternoon.

The combination of cold temperatures and winds gusting as high as 45 miles per hour will produce wind chill values as cold as 25 degrees below zero. The wind will decrease by afternoon and evening but remain strong enough to produce wind chill values of 20 to 30 below zero through tonight into Thursday morning.

A blizzard warning means severe winter weather conditions are expected or occurring. Falling and blowing snow with strong winds and poor visibilities are likely. This will lead to whiteout conditions, making travel extremely dangerous.

"Do not travel," advised the National Weather Service. "If you must, have a winter survival kit with you. If you get stranded, stay with your vehicle."

A wind chill advisory is issued when a strong wind will combine with cold temperatures to create dangerously cold conditions for exposed skin. The wind will make it feel like it is 20 degrees below zero or colder for a period of several hours. Those planning to venture outdoors should dress warmly, making sure that all exposed skin is covered.

2:18 p.m. Tuesday

SIOUX FALLS, S.D. - A blizzard warning has been issued for Jackson and Nobles counties in Minnesota and Lyon, Osceola, Dickinson and O'Brien counties in Iowa, with whiteout conditions and brutal wind chills expected, the National Weather Service advised.

A winter weather advisory remained in effect for Murray, Cottonwood, Pipestone and Rock counties in Minnesota.

A strong winter storm system will move across the central plains this afternoon and tonight, spreading snow across much of the area with moderate to heavy snow accumulations in northwest Iowa. Gradually lighter accumulations will be found in southwest Minnesota.

Strong northerly winds will develop by late this afternoon and continue through Wednesday morning, producing blizzard conditions over much of northwest Iowa and southwest Minnesota. Widespread blowing snow will reduce visibility below half a mile and arctic air will combine with strong winds to create bitterly cold wind chills of 15 to 30 below zero.

Snow will continue across the area this afternoon and continue into tonight, with the heaviest snowfall expected in the evening. Accumulations of 7 to 11 inches expected, heaviest amounts in the Sioux City to Storm Lake areas of Iowa.

Strong northerly winds of 20 to 35 miles per hour will develop by this evening and continue into Wednesday morning, resulting in whiteout conditions in rural areas, making travel hazardous. Wind chill values of 15 to 25 degrees below zero can be expected by Wednesday morning.

A blizzard warning means severe winter weather conditions are expected or occurring. Falling and blowing snow with strong winds and poor visibility are likely. This will lead to whiteout conditions, making travel extremely dangerous.

"Do not travel," advised the National Weather Service. "If you must, have a winter survival kit with you. If you get stranded, stay with your vehicle."

11:09 a.m. Tuesday

SIOUX FALLS, S.D. - The National Weather Service issued a Winter Storm Warning, which will be in effect until noon Wednesday, for Nobles and Jackson counties in Minnesota and Osceola, Dickinson, O'Brien, and Lyon counties in Iowa.

Pipestone, Murray, Cottonwood, and Rock counties remain under a Winter Storm Advisory.

A strong winter storm system will move across the Central Plains this afternoon and tonight, the NWS stated. The storm will spread snow across much of the area with moderate to heavy snow accumulations in northwest Iowa. Lighter accumulations will be found farther west and north into southwest Minnesota and South Dakota.

Strong northerly winds will develop late this afternoon and continue through Wednesday morning, producing blowing and drifting snow and reduced visibilities, making travel difficult. In addition, arctic air will combine with the strong winds to create bitterly cold wind chills of 15 to 30 degrees below zero tonight.

Snow will develop by early this afternoon and continue into early evening, gradually diminishing through the evening. Light snow or flurries are expected into Wednesday morning, with a total snowfall of 5 to 8 inches expected.

In addition to the snow, northerly winds of 15 to 30 miles per hour can be expected by late afternoon, causing blowing snow in open areas. After dark winds will increase to 25 to 35 miles per hour, which will produce widespread blowing and drifting snow. Blowing snow may reduce visibility below one-quarter of a mile at times late tonight and Wednesday morning. Wind chill temperatures will fall to 15 to 25 degrees below zero by Wednesday morning.

A winter storm warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency, and traveling must be done, people should keep an extra flashlight, food and water in the vehicle.

11:50 a.m. Monday

SIOUX FALLS, S.D. - A Winter Weather Advisory has been issued for southwest Minnesota and northern Iowa beginning at 6 a.m. Tuesday and ending at 6 a.m. Wednesday.

The area under the Winter Weather Advisory includes Murray, Cottonwood, Nobles, Jackson, Pipestone and Rock counties in Minnesota and Lyon and Osceola counties in Iowa. In addition, a Winter Storm Watch has been issued for Dickinson and O'Brien counties.

A strong winter storm system will move through the central plains on Tuesday and into Missouri and central Illinois Tuesday night, the National Weather Service cautioned.

"Confidence is getting higher that this storm will give northwest Iowa and immediate adjacent areas widespread moderate to heavy snowfall Tuesday and Tuesday evening," the National Weather Service stated.

Lighter accumulations of snow will be found heading northward toward the Interstate 90 corridor in southeast South Dakota. The National Weather Service was also concerned that strong winds would develop behind the low pressure area, which will produce widespread blowing and drifting snow. Temperatures much below normal will also combine with the strong winds to produce very cold wind chill readings Tuesday afternoon through Wednesday.

Accumulating snowfall will spread across the area late tonight lasting throughout the day and evening Tuesday. Total snowfall will be around 3 to 5 inches, with most of the accumulation occurring Tuesday afternoon and evening. Strong northerly winds of 25 to 35 miles per hour are expected Tuesday afternoon through Wednesday morning, producing widespread blowing and drifting snow and wind chill values of 10 to 20 degrees below zero.

A winter weather advisory for snow and blowing snow means visibilities will be limited due to a combination of falling and blowing snow. Travelers are urged to use caution, especially in open areas.

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