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Philadelphia Weekend Weather Forecast- Sat AM
The low pressure system that brought us the snow continues to rotate disturbances around its circulation center. These areas of moisture and vorticity may cause snow flurries and showers today and Sunday.
Sat 12/27: Considerable cloudiness, some breaks of sun. Snow showers likely. High 37.
Sun 12/28 Mostly cloudy, chance of snow showers. High 40.
Solar Climate Discussion (Updated 2/6): This past July and August (see post here) (and here), I suggested that this winter would be unusually cold due to a prolonged lull in solar activity. The sun is beginning to come out of a solar minimum, and there has finally been the long expected increase in solar activity signaling the real beginning of Solar Cycle 24. There are several sunspot areas, but the solar flux still hasn't taken off. It's still early in the cycle.
Total Solar Irradiance continues to be about 1 watt/m2 lower than it was during the peak of the last solar cycle, Solar Cycle 23, in April 2000.
As of early February, it looks like the solar cycle is providing the predicted colder than normal temperatures and the El Nino is providing the potent moisture rich southern jet stream. Continue to expect colder than normal temperatures into the spring.
posted: Feb 27 2010 at 7:55 am
[/weather/feb10] permanent link
Disclaimer: I am not a meteorologist and provide this information as a hobby and for entertainment (mostly my own :-) . While attempts are made to predict the weather as best as I can, use at your own risk! I am NOT responsible for any direct or indirect consequential injury/damages due to your use of these forecasts. Always check the NWS Official Forecast for your final plans.
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