Thursday, December 5, 2013
By News 8 Chief Meteorologist Matt Baylow
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You've got a very, very large pool of very, very cold air that's swinging across the Western United States, and that air is overhead here in San Diego. Temperatures overnight have been running 10F to 15F degrees colder than Wednesday morning, and that will translate to keep temperatures cool even during the daytime today. In fact, highs won't get any warmer than 60F inland or at the coastline.
This air is so cold and unstable that even a little ripple in the atmosphere could produce some sprinkles or showers - and that's a possiblilty this morning. It won't amount to much, if anything at all, but there should be lots of sunshine this afternoon, too.
Your next chance of rain looks to be Friday night into Saturday night; this next system was much more moisture with it, so rainfall amounts of up to 1/2" are expected. The cold air is clearly already in place, so any precipitation that we get will end up as snow in our local mountains. Several inches of the white stuff could be there by Sunday AM.
And of course, the cold! This is the big headline with this week's weather in San Diego. Morning lows will be near freezing in a few spots by tomorrow morning and continuing each morning through Monday of next week. There may be some Frost or Freeze Warnings issued later this week - I'll have the latest on my twitter feed (above).
Matt Baylow is the "Big Cheese" (AKA Chief Meteorologist) for KFMB-TV, and you can catch his weather forecasts each weeknight at 5pm, 6:30pm, and 11pm on San Diego's weathercasts first broadcast in sparkling High Definition. There's never been a "clearer" weather forecast, that is, if you can get past the hair that's out of place. And sometimes the pattern on the tie. Did we mention the tie?