Saturday, December 03, 2022

A storm system would release snow in all western states and tornado threat to the south

A storm system would release snow in all western states and tornado threat to the south

(CNN) — A powerful storm system off Canada will drop snow in 11 western states over the next 48 hours, along with a tornado risk in the south, as cold Arctic air meets autumn’s heat.

“A powerful cold front will bring more cold air across the western United States, leading to heavy snow at high altitudes for the next several days,” the Weather Prediction Center said.

About 2 feet of snow may cover parts of the west

Snow is expected for much of Idaho and western Montana this Wednesday, leading to slippery road conditions and reduced visibility.

The Office of the Weather Service in Great Falls said, “As the cold front moves through this area, it will cause moderate to heavy snowfall and a short period of westerly gusts in parts of north-central and southwestern Montana.” Can be made.”

Officials have warned that strong winds could produce snowfall that would limit visibility to less than 800 metres.

Throughout the Sierra, 1 to 4 inches of snow is expected to fall, with up to 10 inches of snow expected for the lower peaks.

As the cold front moves east, the Rockies will also be affected by heavy snow accumulation. Now, a vast majority would welcome snow, as about 75% of the west is in dry conditions.

The weather service office in Grand Junction said, “This storm is expected to cause widespread snowfall of 10 to 20 inches in the mountains, close to 32 inches in some places in the San Juan area. Gusts of wind helped make it a significant hurricane.” Will get it.” ,

Behind the front, gusts of wind and very cold temperatures will set in for a while.

The maximum temperatures in parts of Colorado, which will be between 10 and 15.5 degrees Celsius on Wednesday, will be around 1 degree Celsius on Friday.

Tornado threat returns to the south

Tornado Danger

The threat of tornadoes returned to the South America. The map shows the risk range from lowest (green) to highest (fuchsia).

As the storm moves through the Rockies and plains, winter concerns on the cold front will be less and the risk of severe weather for millions of people will be higher.

Bad weather is likely in the south this Thursday and Friday.

Once the system strengthens, very heavy rains will occur over most of the plains, mid-west and deep south states.

“All hazards would be possible, including damage to hail, damage to wind gusts,” the weather service in Norman, Okla., said. “Some tornadoes can’t be ruled out,” he said.

Many of these storms will start overnight, increasing the risk.

Night-time tornadoes are more deadly than daytime tornadoes because people are asleep and are less aware of the timing.

As of this Friday, the threat of severe weather is moving east, covering much of Texas and Oklahoma, including the most populous cities in each.

More than 21 million people face the threat of severe weather Friday, including the cities of Dallas, Houston, Austin and San Antonio.

“All serious risks appear possible, although damage to thunderstorms and some tornadoes will be of major concern by Friday night,” the Storm Prediction Center warned.

There will be heavy rain along with the threat of severe weather.

Most areas will receive up to 5 cm of rain, although individual regions may record higher amounts of rain if the storm stays or trains over the same area for a long period of time.

Although much of Central America is also experiencing drought and needs rain, according to the Weather Prediction Center, excess rainfall could cause hard, dry ground to flood, especially in Arkansas, Louisiana and Texas.

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