A winter storm coming from the Gulf of Alaska will sweep through San Diego County this week, dropping more than 12 inches of rain in San Diego and up to 12 inches of snow on local mountain peaks, according to the National Weather Service.
The leading edge of the storm will hit the county Tuesday night, producing showers and possibly fog in places like Julian and Descanso. The system will reach its peak on Wednesday afternoon and evening, when thunderstorms could occur due to the cold air.
The storm could affect people’s appointments at outdoor COVID-19 vaccination posts in the region.
Most of the snow is likely to fall overnight from Wednesday to Thursday. Meteorologists say the snow level will drop to 4,000 feet and could drop to 3,500 feet. Some areas may also receive graupel.
A winter storm watch will be in effect for the eastern edge of the county from 8 pm Tuesday to 10 pm Thursday.
It could take until Thursday night or early Friday for the storm to fully clear to the east.
Daytime highs will be well below average. In San Diego, 62 will be registered on Monday, 60 on Tuesday, 57 on Wednesday and 58 on Thursday. Julian will be 48 on Monday, 42 on Tuesday, 38 on Wednesday, and 40 on Thursday.
Since October 1, San Diego International Airport has registered 3.46 inches of rain, which is 4.41 inches below average.
“This storm will be beneficial, but we will need two or three more this month to reach seasonal levels,” said Bruno Rodríguez, an expert in weather forecasting.
Spring begins on March 20.
Read this story in English.
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