AccuWeather.com

By John Marsh, AccuWeather.com Staff Writer

Feb 4, 2012; 8:05 AM ET

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Alyssa Alt digs her car out of the snow in Denver on Friday, Feb. 3, 2012, after a snow storm dumped 10 inches of snow overnight. Some areas of the state reported as much as 24 inches from the storm. A powerful winter storm swept across Colorado on Friday as it headed east, bringing blizzard warnings to eastern Colorado and western Kansas, and winter storm warnings for southeastern Wyoming and western Nebraska. (AP Photo/Ed Andrieski)

More than 600 flights have been canceled at Denver International Airport as a snowstorm slams Colorado, and severe storms cause damage in the Arklatex region in the lower Mississippi Valley.

Massive Snowstorm Unfolding

Heavy snow and blowing snow are spreading through Nebraska, reducing visibility down to one quarter of a mile at times.

A staggering 49 inches of snow has buried an area three miles north of Black Hawk, Colo. Evergreen, Colo., has already seen 36 inches and near West Jamestown, Colo., has received more than 34 inches of snow.

Twelve inches of snow have fallen 14 miles north-northwest of Stapleton, Neb., with snow falling at a rate of one inch per hour. Twelve miles south of Tyrion, Neb., snow fell at a rate of nearly 2 inches an hour and had dumped nearly a foot of snow with visibility down to a quarter of a mile. Denver has received 14 inches of snow from this storm.

Snow has drifted up to five feet in parts of Agate, Colo., three feet two miles north of Loveland, Colo., three feet four miles south of Rocky Flats, Colo., and five feet one mile northwest of Strasburg, Colo.

Friday night, the storm continued to move east. According to AccuWeather.com Expert Senior Meteorologist Alex Sosnowski, a push of dry air will prevent the storm from taking a traditional northeastward path.

Several roads an portions of interstates across northeastern Colorado and Nebraska had to be shut down due to the snow. A few trucks were involved in crashes, thankfully none were serious.

Heavy snow will move into Iowa today but will lessen as it moves into Illinois before eventually becoming rain over Indiana and Ohio.

Tracking Severe Storms

In the plains, severe storms pummeled their way through the region Friday afternoon and evening, leaving destruction in their path.

A possible tornado touched down in Snook, Texas and brought power lines down. In nearby College Station, Texas, one inch hail broke a window on a home near the corner of Marion Pugh and George Bush Drive. Two-inch hail fell just north of the A&M campus. 4.03 inches of rain have fallen since 6 p.m. CST in College Station, Texas, from the same cluster of storms that spawned the tornado. Water is covering roadways. Power poles are down on Ashford Road and Finfeather Road.

Quarter-sized hail struck three miles west as well as one mile east of St. Jo, Texas, and dime-sized hail crashed down on Pryor, Okla. Golf ball-sized hail has fallen on Alvord, Texas, and the ground is covered with quarter- to ping-pong ball-sized hail. Golf ball-sized hail has also fallen six miles north of Sherman, Texas. Quarter-sized hail covered the ground three miles east of Denison, Texas.

Two trees were downed along Kingston Road 1 mile northwest of Kingston, Miss.

Severe storms downed trees one mile east of Monterey, La., and four miles north-northeast of Natchez, Miss. Several roads are flooded southeast of Natchez, and a small mudslide was partially blocking Liberty Road.

Thunderstorms will moved eastward Friday night and crossed over into Arkansas and Louisiana. Storms will move to coastal Texas, Mississippi, Alabama and Tennessee on Saturday.