Hurricane Key will be the closest hurricane to Southern California in 25 years added to California weather troubles

Like this moves north this can lead to heavy rains and threat of flash flood. And – far from being a salvation from the extreme situation in California. heat — hurricane winds can raise temperatures higher in a little locations.

Hurricane Key is predicted to track north, parallel to the Baja California peninsula, until Friday. Then it will turn west from the coast just shy of US border with Mexico, but not before making the next one pass to Southern California for hurricane after Hurricane Nora in 1997.

Kay is expected remain with hurricane strength until it is about 250 miles from San Diego, which the National Weather Service says has happened to only four other storms since 1950 before weakening when it moves nearer.

But the storm is not need to be strong “for this must be a major problem for Southern California,” said Brandt Maxwell, an NWS meteorologist based in San Diego.

Forecasters warn system can strengthen the region extreme heat troubles, not alleviate them.

The wind can blow more than 60 mph like system interacts with mountainous terrain of Southern California. And those winds will blow from the east, which means they will have warming effect on coastal cities. As air travels down mountains, it contracts and its temperature rises.

It will be similar to the Santa Ana wind phenomenon that usually occurs in autumn and winter.

“We don’t call it Santa Ana winds, but they will have the characteristics of them as they are pass through canyons and sloping terrain,” Maxwell told CNN.

Warm, dry winds from the east will increase the region’s fire risk. The temperature can reach 100 degrees in coastal areas of San Diego and Orange counties on Friday.

“It is happened in 1984 as Category 1 Hurricane Marie to the southwest. of In San Diego County, the temperature rose to 100 degrees. in San Diego,” Maxwell said.

Overnight lows can remain in 80’s over Thursday night and Friday morning, making sleep uncomfortable, especially for those who don’t have air conditioning.

Then relentless heat will end “suddenly and unusually” late Friday night, the NWS in Los Angeles said as the tropical system clouded and rained move in the region, sharply reducing the temperature, but creating new danger.

Even when the Southwest is mired in multi-year megadrought, Cay’s precipitation may represent a significant flood the threat.

“Trust is growing fast for significant rainfall event through Southern California, Arizona, and eventually into central California and Nevada by Saturday,” the Weather Prediction Center’s forecasters wrote on Wednesday.

East-facing slopes near the Santa Rosa and San Jacinto mountain ranges could see the heaviest rains, with as much as 4 inches possible to Friday. WPC issued rare level 3 out of 4 world view for excessive rainfall on this region for Friday.

Even though rain is badly needed in arid Southern California, this rainfall over short period of time may cause streams and rivers to rise fast.

“It’s never good too much rain at once, damn too common among the slowlymoving tropical storms, the WPC said. – So flash flood potential also is rapidly increasing.”

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