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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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Mon, 30 Nov 2009
Snow?
As mentioned yesterday, the computer models are looking more and more winterlike.
The latest GFS model has a changed the forecast for the upcoming week/weekend-- it shows a deeper and broader upper trough developing during the week, with heavy rain for late Wednesday into Thursday. Once the cold air moves in on Friday, the latest GFS has a fast moving low developing and moving up the coast on Saturday, possibly giving us some wet snow late Saturday.
With ongoing changes in the computer models, we'll have to wait to see if this early snow becomes a reality. Expect a wintery weekend, certainly colder than it has been since last winter.
Read my most recent Fall-Winter Climate prediction here.
Follow me on Twitter as theweatherguy for on-the-fly weather updates and observations.

posted: Nov 30 2009 at 6:39 pm

[/weather/nov09] permanent link

Solar Cycle-> Philly Climate Forecast for 2009-2010
Solar activity has continued to gradually increase and solar flux values have gradually risen into 70s. There have been several areas of active sunspots emerging over recent weeks and an older very active area is rotating back into view.
Solar Cycle 24 has truly begun, albeit a year or two late. As a result of having had solar activity remain so low for such a long time, the effects of low total solar irradiance will likely to continue to affect our climate in the short term.
Despite some stretches of warm weather (recent weeks being an example), I believe we will remain in an climatically cold weather pattern on average for the fall and most of our winter. Indeed, it is possible that we may have record cold for the winter. While greater than average snowfall is possible, precipitation predictions are much less certain. <p>
This colder than average pattern will likely extend well into our spring if there is any truth to the solar cycle having an influence on our climate.

posted: Nov 30 2009 at 6:39 pm

[/weather/nov09] 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	Mon, 30 Nov 2009 Snow? As mentioned yesterday, the computer models are looking more and more winterlike. The latest GFS model has a changed the forecast for the upcoming week/weekend-- it shows a deeper and broader upper trough developing during the week, with heavy rain for late Wednesday into Thursday. Once the cold air moves in on Friday, the latest GFS has a fast moving low developing and moving up the coast on Saturday, possibly giving us some wet snow late Saturday. With ongoing changes in the computer models, we'll have to wait to see if this early snow becomes a reality. Expect a wintery weekend, certainly colder than it has been since last winter. Read my most recent Fall-Winter Climate prediction here. Follow me on Twitter as theweatherguy for on-the-fly weather updates and observations. posted: Nov 30 2009 at 6:39 pm [/weather/nov09] permanent link Solar Cycle-> Philly Climate Forecast for 2009-2010 Solar activity has continued to gradually increase and solar flux values have gradually risen into 70s. There have been several areas of active sunspots emerging over recent weeks and an older very active area is rotating back into view. Solar Cycle 24 has truly begun, albeit a year or two late. As a result of having had solar activity remain so low for such a long time, the effects of low total solar irradiance will likely to continue to affect our climate in the short term. Despite some stretches of warm weather (recent weeks being an example), I believe we will remain in an climatically cold weather pattern on average for the fall and most of our winter. Indeed, it is possible that we may have record cold for the winter. While greater than average snowfall is possible, precipitation predictions are much less certain. <p> This colder than average pattern will likely extend well into our spring if there is any truth to the solar cycle having an influence on our climate. posted: Nov 30 2009 at 6:39 pm [/weather/nov09] 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.