• Admin
  • This week, a sizable, strong winter storm is expected to hit the United States.
  • December 11, 2022

From the coast of Northern California to Lake Tahoe, a winter storm carrying strong winds, torrential rain, and maybe several feet of snow in the Sierra Nevada shut down mountain highways, fell trees, and issued flood watches and avalanche warnings on Saturday. Over the next few days, the potent storm system is predicted to continue east, according to forecasters.

A Large Winter Storm

A large portion of the west coast is expected to receive one to two inches of rain, with some localized spots receiving two to four inches. Over the course of the weekend, coastal California will be at risk of flash floods due to the amount of rain that fell in such a short period of time.

With a strong upper low developing from the Pacific Northwest, another powerful winter storm Diaz is developing for the northern United States this week. The northern Rockies and Dakotas will be covered with deep snow and dangerous blizzard conditions on Tuesday. On Tuesday night, a strong cold front will also bring the possibility of thunderstorms, tornadoes, and flooding to the Southeast of the United States. As the system shifts to the East later this week, substantial cold will return.

Storm Diaz

Before heading for the Rockies, the winter storm known as storm Diaz will first dump a ton of snow and cover California’s Sierra Nevada. On Monday, a frontal system will get stronger and bring the typical blizzard to the Northern Plains.

The winter storm then intensifies as it moves eastward throughout the following week. It might be more than 1,500 miles long by Tuesday, stretching from the Gulf Coast to United States.

By Tuesday, there will be two big issues: severe weather in the Deep South and blizzard conditions on the northern plains.

Whiteout conditions

Whiteout conditions will occur on Tuesday and Wednesday from Nebraska to Minnesota due to heavy snowfall and strong winds. While Tuesday in Louisiana, Arkansas, and Mississippi there is a risk for severe thunderstorms and tornadoes on the other side of the storm.

Heavy to extremely heavy snowfall is expected to accompany Winter Storm Diaz’s development for the Northern Plains on Monday night, gradually moving east while the surface low moves toward the Dakotas and Minnesota on Tuesday.

Areas Expected To Receive The Most Snow

The areas expected to receive the most snow are expected to be eastern Monday and the west-central Dakotas, including western Nebraska. It is predicted that several places would get about 2 feet of snow (20-30 inches). Locally, there may even be greater snowfall potential. Particularly close to the moving surface low’s center. spanning precisely the southern regions of South Dakota.

High moisture and escalating winds will cause the snow accumulations in the Rockies to increase swiftly starting early Tuesday due to a combination of convective and orographic snowfall expected across the High Plains. The maximum accumulations of up to three feet of snow are conceivable.

The worst-hit areas will be in South Dakota, extremely close to the winter storm’s core track, even though the general model consensus is in good accord.

At Sierra Nevada

At Sierra Nevada, south of Yosemite, where more than 10 feet of snow had been recorded since early November, around 10 inches of snow had already fallen by Saturday afternoon.

On Sunday, there will likely be significant rainfall in several areas of Southern California. According to the weather service, rainfall in the foothills of Los Angeles County might reach 6 inches.

The weather agency predicts that the system will develop into a “large-scale and substantial storm” early next week, bringing severe weather, heavy snow, and rain to the central and southern United States. From Sunday until early Monday morning, 6 to 12 inches of snow are predicted to fall in the mountains of the central Rockies and Arizona.

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