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Heavy winds hit northern Utah

Weather advisories » Winter Winter and High Wind warnings.

First Published Nov 20 2013 07:35 am • Last Updated Nov 21 2013 10:27 pm

Intense gusts of up to 80 mph hour ripped through the northern Wasatch Front on Thursday, forcing partial road closuresand kicking off what should be a wild, wet and windy end of the week.

The most intense gusts hit Centerville on Thursday afternoon, according to National Weather Service meteorologist Monica Traphagan. Winds in excess of 70 mph also were recorded in Farmington near Lagoon.

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The high winds prompted The Utah Department of Transportation to shut down Interstate 15 and Highway 89 for high profile vehicles between Layton and Bountiful. The closure went into effect just before 6:30 p.m. and includes travel in both directions, according to UDOT spokesman John Gleason.

"The danger is for semis, campers," Gleason said. "That’s why we’re prohibiting them. Message signs will be out warning them of dangerous high winds."

According to Gleason, winds of up to 60 mph can topple a semi trailer. As of early Thursday evening, wind had not damaged or toppled any high profile vehicles. Officials did not know when the roads would be re-opened to those vehicles.

Smaller vehicles are not included in the closure.

The intense guests comes after the NWS issued a High Wind Warning and Alert for northern Utah’s Weber, Davis and Salt Lake counties beginning 4 p.m. Thursday and extending through noon on Saturday. The region braced for steady winds of 30-40 mph with gusts topping a hurricane-force 70 mph.

Traphagan said much of the northern Wasatch Front had experienced winds of about 40 mph or less Thursday afternoon.

The windy weather is the result of a low pressure system in southern California, Traphagan explained. She said air circulates around the system counter clockwise, creating unusual eastern winds in Utah. Davis County and areas north of Salt Lake City are particularly impacted by the system due to topography and the alignment of mountains.

The state’s mountainous spine, from the Idaho border stretching south and west to the Arizona border, along with northwestern Utah’s Uintas, began Thursday under a Winter Weather Advisory. Snowfall of 4-8 inches was predicted in higher elevations by the time the advisory expired at noon Thursday.

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The Utah Avalanche Center took note of the weather forecast, putting the state’s mountains under a "moderate" rating for the risk of potentially deadly snow slides.

The Wasatch Front expected Friday’s daytime high temperatures to settle in the mid- to upper 40s, the same range as forecast for Thursday. Overnight lows were to dip into the 20s.

Southern Utah was looking for rain and wind as highs dipped into the upper 50s and overnight temperatures slid into the low 40s.

For more extensive, region by region breakdowns of the weather, visit the Tribune’s weather page at this link: http://www.sltrib.com/weather


Twitter: @remims

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