San Diego, California

Today is the day the calendar ticks over to February, and also the day that we will begin using WeatherNation as one of the sites we verify against. With the kerfuffle between DirecTV and The Weather Channel, the emerging WeatherNation started making headlines, and will now start making appearances here at The Weather Blog. Their forecast will be the 6th one listed, under “WN”. Welcome and good luck!
Hopefully, San Diego will be a fairly easy way to break into the forecast!

At 351PM, PT, San Diego was reporting a temperature of 62 degrees with clear skies. A brisk west wind was producing some clouds in the high country east of town, but it was a generally quiet night for southern California, and the ocean to the west was clear of any evident low clouds, to the Marine Layer doesn’t appear to be of significant concern.
Aloft, things are a bit more interesting. A weak upper level trough is going to see stronger flow through it over the next 48 hours. The unusually warm winter that the west has been seeing will take a break over the next 48 hours, and a low pressure center will ride the western leg of the trough south along the California coast. Rain will arrive in the San Diego area late tomorrow night, and will continue into the morning. The 540 thickness line will dip south of San Diego, which in other locations might mean residents should look out for snow. Obviously, this won’t be a concern for San Diego, but is just an indicator of how cold the air mass is. The rain will end by late morning on Monday, and warmer temperatures will return fairly quickly in the afternoon, but the return of nightly haze and clouds seems likely.
Tomorrow – Rain in the evening, High 64, Low 44
Monday – Rain showers early, High 61, Low 50

TWC: Tomorrow – Sunny High 64, Low 46
Monday – Rain High 61, Low 52

AW: Tomorrow – Some sun High 61, Low 46
Monday – Periods of sun with a shower possible; cool High 59, Low 52

NWS: Tomorrow – Mostly sunny (late rain/storms) High 61, Low 48
Monday – A chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny High 58, Low 51

WB: Tomorrow – Partly cloudy (PM rain) High 61, Low 47
Monday – Mostly cloudy with a chance of showers and slight chance of thunderstorms in the morning…then partly cloudy with a chance of showers in the afternoon. High 57, Low 51

WN: Tomorrow – Scattered Showers High 61, Low 46
Monday – Scattered Showers High 57, Low 52

So there you go, WeatherNation makes their debut. Visit them at www.weathernationtv.com. Here is a nice visible satellite, allowing us to investigate more closely the cloud picture. Just some up in the mountains to the east, as you will note, but not much going on off shore.
San Diego

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