Weather advisory: Potential spring storm to cross over state

UTAH – According to the National Weather Service, potential spring storm will cross much of Utah beginning late this weekend.

A storm system currently over the Gulf of Alaska will turn to the southeast and move inland through the Pacific Northwest Sunday. This storm will intensify as it continues southeast into the Great Basin Sunday night, then settles into the southern Great Basin through the southern Rockies for Monday through Tuesday.

Image courtesy of National Weather Service
Map of potentially affected areas  | Image courtesy of National Weather Service

Ahead of this approaching storm a moist westerly flow aloft will develop across the northern and central portions of the state. A series of weak weather disturbances embedded in the westerlies will generate periods of valley rain and high elevation snow for mainly the northern half of Utah. Accumulating snows are anticipated for the northern mountains with the greatest accumulations across the northern and central Wasatch Range.

The main portion of the pacific storm will have its first impacts on northern and western Utah Sunday night. The leading cold front will sweep south through the state Sunday night, generating showers and thunderstorms and bringing significantly colder air to much of the region.

A prolonged period of precipitation will exist as the center of the storm stalls over the southern great basin and southern Rockies early next week. Periods of long duration and occasionally heavy snowfall could develop by Monday afternoon, and continue well into Tuesday evening. Valley locations will see rain or a rain and snow mix early in the storm. Most precipitation will change to snow by Monday night at the higher valley locations and many valley locations across western Utah by late Monday night or Tuesday.

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