Hurricane Kay will be the closest hurricane to Southern California in 25 years, adding to the state’s weather problems



CNN

More extreme weather — including sweltering heat, sweltering winds and possibly a year of rain — is expected in southern California this week as a hurricane swirls in the Pacific Ocean off the coast of Mexico.

As it moves north, Typhoon Kai’s winds – far from providing immediate relief from Heat wave caused by climate crisis in California In fact, it could actually push record temperatures higher in some places. Then, the storm can threaten flash floods and over a couple of days only drops the volume of rain parts in Southern California that you usually get within a year.

Flood watch hours are in effect in parts of southern California and western Arizona.

Kay is expected to remain in hurricane strength until about 250 miles from San Diego — something only four other storms have done since 1950, according to the National Weather Service — before weakening as it moves toward the US west coast.

But Brandt Maxwell, a national meteorologist in San Diego, said the storm didn’t need to be strong “for that to be a major concern for Southern California.”

Kaye is expected to track a path parallel to the Baja California Peninsula through Friday, pushing what could be a record amount of moisture into southern California and Arizona. Then, just shy of the US-Mexico border, it’ll turn west — away from the coast — as it makes the closest path to southern California for a hurricane since Hurricane Nora in 1997.

Winds can reach over 60 miles per hour as the system interacts with the mountainous terrain of Southern California. And those winds will come from the east, which means that they will have a warming effect on coastal cities; When the air travels to the bottom of the mountains, it becomes compressed and its temperature rises.

It will be similar to Santa Ana wind phenomenon, which usually occurs in the fall and winter. “We don’t call it the Santa Ana wind, but it will have its characteristics as it goes through canyons and sloping terrain,” Maxwell told CNN.

Warm and dry winds from the east will increase the area Already a great fire risk. Temperatures could reach 100 degrees Friday in coastal parts of San Diego and Orange counties.

“This happened in 1984 when Category 1 Hurricane Mary Well in southwest San Diego County raised temperatures to 100 degrees in San Diego,” Maxwell said.

Low levels can remain in the 80s overnight Thursday through Friday morning, making sleep uncomfortable, especially for those without air conditioning.

Then, the unusually intense heat will abruptly end late Friday, the Los Angeles Meteorological Service reports, as the tropical system’s cloud cover and precipitation trickle down, dramatically lowering temperatures but creating new risks: torrential rain and a threat sudden flood.

Although the southwest was engulfed in a Several giant yearsIn Kay, precipitation can pose a significant flood risk.

“Confidence remains high for a heavy rainfall event across this region,” the Weather Prediction Center said Thursday morning. Models indicate that humidity above this typically dry area will be well above the 99th percentile for this time of year through the end of the week.

Although rain is sorely needed across thirsty Southern California, this heavy rain over a short period can cause streams and rivers to rise rapidly.

“It’s never a good idea to have heavy rain all at once, which is a very common feature among slow-moving tropical storms,” ​​the forecast center said. “So the possibility of flash floods is also increasing rapidly as well.”

2 to 4 inches of rain, possibly as much as 6 inches, is expected throughout the mountainous terrain of Southern California, particularly on the eastern slopes.

A moderate risk of heavy rain warning – level 3 of 4 – is in effect for Friday over parts of southern California and extreme southwestern Arizona, with a slight risk – level 2 of 4 – in effect by Saturday across more southern California, western Arizona and southern Far Nevada.

The National Weather Service forecasts 2 to 4 inches of rain over 36 hours on Friday and Saturday at Imperial County Airport in southeastern California; The spot gets an average of 2.38 inches of rain each year. If Imperial receives more than 3 inches of rain, it will make this month the wettest month in September, breaking the record set in 1976.

The Imperial Valley region is home to one of the country’s most productive farm belts, particularly known for producing winter vegetables for American consumers due to its year-round growing season. The area and adjacent areas including Yuma, Arizona, have been dealing with long-term drought and are present Controversial Negotiations Over Limiting Huge Water Supply from the Colorado River.

In Palm Springs, California, 2 to 4 inches are expected over the weekend, pushing toward the typical annual precipitation rate of 4.61 inches. Three inches will put Palm Springs this month in the city’s top three precipitation spots and make it the wettest since 1976, when it got 4.17 inches; The average precipitation in September is 0.24 inches.

A day could see 1.5 inches of rain over the weekend, which would make this month the wettest September since 2009. The city’s average September rainfall is 0.68 inches.

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