“Confidence remains high for significant rainfall event through it region”, the National Weather Service said. in en online discussion on Thursday.
The remnants of the storm may also bring gusty winds and dangerous surf coastal conditions of Southern California.
Category 1 hurricane with 85 mph wind, Kay expected to make landfall on west-central coast of Baja California in Mexico, Thursday evening. The storm is weakening and is predicted to be downgraded to a tropical storm. on Friday.
accused for at least three deaths over Baja California Cay continues to be a major source of rain.
The storm is forecast to bring 6 to 10 inches. of heavy rain of peninsula, with localized sums of up up to 15 inches. Off the coast of Kei is expected to break up big waves and dangerous rip currents, with destructive storm surge or rise in ocean water over normally dry land, possible also.
Tropical storm warning issued for completeness of Coastline of Baja California, even on its east side which rests on bay of California. This is because Kay is a big hurricane; tropical storm-force winds (over 39 mph) are expanding up up to 230 miles from its center, while the hurricaneforce winds (74 plus miles per hour) extend 35 miles from the center.
Effects on southwest US
Cay is expected to weaken further and veer off the Mexican coast as it approaches dry Southern California. However, winds from the southwest will draw the moisture of Kei into region, first bringing with is the cloud cover that will help end the protracted record-parameter heat wave.
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The rest of the hurricane will also carry unusual amounts of moisture that can help mitigate the ongoing drought in Southern California. A little thunderstorms connected with Kay is already began to rumble near Riverside, California, bringing isolated heavy rain and lightning.
Although rain is needed, the National Weather Service warns that Kay arrival will not be without danger.
“Despite these positives, it never good too much rain at once, damn too common among the slowlymoving tropical storms,” the Weather Service wrote.
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Sedimentary water, measure of atmospheric humidity is predicted to be over 2 inches in pieces of Southern California by the end of Friday. it’s five standard deviations above the norm for in region at the moment of year which means it’s very rare.
Flash flood most likely in narrow slot canyons in urbanized areas like San Diego, Palm Springs, California and Yuma, Arizona, and over burn scars where fire lost vegetation, and the water tends to quickly run off not dig into the ground.
Flood watches were raised from central Southern California to western Arizona and the Weather Service posted a large band of Southern California and growing part of southwestern Arizona in mild to moderate risk zone for flash floods from Friday to Saturday mornings.
Precipitation of more more than 2 inches most likely in area covered flood watch, with up up to 4 or 5 inches possible on eastern slopes of mountains, where winds from the east will intensify precipitation.
Updated rainfall potential on Sunday due to moisture from Tropical Cyclone Kay. The biggest potential for heavy rains and flash floods for eastern slopes of mountains and adjacent deserts for Friday afternoon and evening. #kavks rice.twitter.com/JzaWihbf2k
— NWS San Diego (@NWSSanDiego) September 8, 2022
In San Diego an inch or less of rain is expected, mostly falling from Friday to Saturday morning. But being along the coast will bring a separate set of danger. There is a weather service warning of dangerous rip currents and increased surf of 3 to 6 feet, lengthwise with possibility of gusty wind up up to 40 miles per hour.
In Los Angeles, the Weather Service predicts 0.25 to 0.75 inches. of rain, with 1 to 2 inches in mountains to the east, mostly rolling from Friday evening to Saturday.
Some useful rain can reach this far north like the southern San Joaquin Valley before the rain fades on Sunday.
Until Kay won’t get close to landfall in California, she’ll still bring strong winds on Friday that will improve the local fire danger. Gusts on Laguna Mountains to the east of San Diego could top 70 mph, which help feed any flames.
Thunderstorms can also bring dangerous cloud lightning that can start forest fires in in region – although any showers from Kei may help cancel some of them.
Kay is not the one first tropical system affect California, but such cases in the condition is quite rare. They are usually formed from the remains of tropical storms and hurricanes, as it happens with Kay, not straight punches.
No name system ever made landfall in California though nameless storm in 1939 crossed the coast around Long Beach, bringing with it a tropical storm.
The most famous meeting in California with tropical system was probably in 1976 when Tropical Storm Kathleen was previously a hurricane. over ocean, entered south-central California from Mexico. Kathleen Unleashed maximum precipitation of almost 15 inches, condition record. Storm caused serious damage in Ocotillo, California and was charged for 12 deaths in United States.
Jason Samenow contributed to this report.