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Philadelphia Weekend Weather and Storm Forecasts

Glenn F. Schreiber DMD and Glenn Schreiber is theweatherguy writing about Philadelphia Weather [radar] [surface map] [disclaimer]

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Glenn F Schreiber
aka "theweatherguy"

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Wed, 09 Dec 2009
Philadelphia Week Weather Outlook- Wed AM
The very deep and intensifing low pressure system over the Great Lakes will move away later today, and cold air will be brought in for the balance of the week.
A deep upper trough will provide fair, cold weather for Satuday. Warm air will move up from the south on Sunday, causing clouds and some sleet changing to rain. The DGEX and GFS models differ- the GFS has the precip starting during the morning on Sunday.
Sat 12/12: Sunny and cold. High 37.
Sun 12/13 Cloudy with rain by late morning, possibly beginning as sleet, if the precip starts early enough. High 38.

Since this past summer, I've postulated that this upcoming winter would be unusually cold due to a lull in solar activity. The sun remains at a prolonged minimum sunspot activity. Total solar irradiance is about 1 watt/m2 lower than it was during the peak of the last solar cycle in April 2000. Read my most recent Fall-Winter Climate prediction here.

posted: Dec 09 2009 at 7:44 am

[/weather/dec09] 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.

The weatherguy.net home page has been visited times since October 2003.

theweatherguy's website
		Philadelphia Weekend Weather and Storm Forecasts
Glenn F. Schreiber DMD and Glenn Schreiber is theweatherguy writing about Philadelphia Weather [radar] [surface map] [disclaimer]
	About this blog theweatherguy's website, "Thoughts and comments on Philadelphia Weather and Daily Life." Glenn F Schreiber aka "theweatherguy" Photos Weather Definitions Copy link for RSS feed Links These are a few of my favorite links. National Weather Service Official Forecasts Meteorology Glossary Archives Weather Archives: 13: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 12: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 11: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 10: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 09: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 08: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 07: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 06: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 05: Apr May Jun July Aug Sept Oct Nov Dec Commentary: Miscellaneous Find	Wed, 09 Dec 2009 Philadelphia Week Weather Outlook- Wed AM The very deep and intensifing low pressure system over the Great Lakes will move away later today, and cold air will be brought in for the balance of the week. A deep upper trough will provide fair, cold weather for Satuday. Warm air will move up from the south on Sunday, causing clouds and some sleet changing to rain. The DGEX and GFS models differ- the GFS has the precip starting during the morning on Sunday. Sat 12/12: Sunny and cold. High 37. Sun 12/13 Cloudy with rain by late morning, possibly beginning as sleet, if the precip starts early enough. High 38. Since this past summer, I've postulated that this upcoming winter would be unusually cold due to a lull in solar activity. The sun remains at a prolonged minimum sunspot activity. Total solar irradiance is about 1 watt/m2 lower than it was during the peak of the last solar cycle in April 2000. Read my most recent Fall-Winter Climate prediction here. posted: Dec 09 2009 at 7:44 am [/weather/dec09] 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. The weatherguy.net home page has been visited times since October 2003.