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The nation saw an active weather pattern on Friday as multiple weather features affected the country.

In the West, a low pressure system moved over the Rockies and into the Plains, which pulled cold air in from Canada and created a strong winter storm across the northern Rockies and northern Plains.

Heaviest snowfall has been reported across Wyoming and into South Dakota, with snowfall totals ranging from 6 to 12 inches and over 1 foot at highest mountains peaks. Strong winds associated with this storm created blizzard conditions across eastern Wyoming and western South Dakota.

The region saw strong winds from 30 to 40 mph, with gusts up to 50 mph, which caused poor visibility and dangerous driving conditions. The strongest wind at 63 mph was reported at Wolf Creek Pass, Colo.

At the same time, a warm front extended eastward from this system and pushed warm and moist air into the upper Midwest from the Gulf of Mexico. Showers and thunderstorms developed along the warm front, across Iowa, southern Minnesota and moved into Wisconsin and Illinois.

Some of these storms turned severe with large hail, damaging winds, and heavy rainfall across Iowa. Hail up to 1.75 inches in diameter was reported at Amana, while the heaviest rainfall was reported at Des Moines, with a midday total of 2.24 inches.

Meanwhile in the Gulf of Mexico, Tropical Storm Karin maintained strength on Friday with maximum winds up to 50 mph. This system continued to track northward toward southeastern Louisiana. While the system has not yet made landfall over the Gulf Coast, the system has pushed some scattered showers onshore from southern Louisiana and across the panhandle of Florida.


FRIDAY'S WEATHER EXTREMES:

HIGHEST TEMPERATURE (DEGREES F).........................95 Bainbridge, Ga.

HIGHEST HEAT INDEX (DEGREES F)..........................111 Ellington Field, Texas

LOWEST TEMPERATURE (DEGREES F)..........................14 Monarch Pass, Colo.

LOWEST WIND CHILL (DEGREES F)...........................-2 Anaktuvuk Pass, Alaska

HIGHEST WIND GUST (MPH).................................63 Wolf Creek Pass, Colo.

HIGHEST PRECIPITATION (INCHES)..........................2.24 Des Moines, Iowa

ON THIS DATE....... Two dozen tornadoes occurred in Oklahoma on this date in 1998, marking a record for most tornadoes in any one October day. Weather forecasters at the Storm Prediction Center in Norman, Okla., actually watched as one tornado passed in the distance.

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