The Cold Front

Posted Monday, February 24th, 2020 by Jackson Sponaugle

TL;DR: A passing cold front last night leaves the mountains with light accumulations and chilly temperatures. New accumulations are expected to be minimal in the next 24 hours as a ridge builds into the region this week giving us bluebird days.

Nowcast: A passing cold front last night leaves mid level clouds lingering over the Salt Lake Valley this morning. The resorts are reporting 3-4 inches of new snow overnight with this system. Highs today are expected to be in the low teens, but 15 mph winds are reported in Alta leaving windchill values below 0 Fahrenheit. Depicted below is a 5AM surface analysis that shows the passing cold front in central Utah, and a building high pressure off the coast of Oregon. Also below, is an altimeter graph from Mesowest showing the pressure change with the frontal passage, leaving higher pressure building into the area this morning.

Mesowest.utah.edu

Short-Term Forecast: Tomorrow, a northwest flow aloft will allow a ridge to build into the region. This northwest flow favors our Wasatch Range so in the next 24 hours we could see another 1-3 inches added to the mountain snow totals. Below, is a 48 hour forecast showing the ridge moving into the region and the trough moving to our East.

Mid- Long-Range Forecast: These minimal accumulations from this storm may be disappointing, but if you like warm sunny skiing you are in luck. Starting tomorrow, a warming trend builds all week and into the weekend allowing for sunny warm days to enjoy spring skiing conditions and escape the inversion.

Jackson

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