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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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Thu, 03 Dec 2009
Winter Weather Update- Thurs Eve
Latest NAM model is wetter and colder. Still has rain late morning Sat, but has a changeover to snow by late afternoon and now suggests 1-2 inches.
Latest GFS model not yet available, but earlier GFS was much less impressive with the snow. Stay tuned.

posted: Dec 03 2009 at 10:27 pm

[/weather/dec09] permanent link

Philadelphia Weekend Weather Forecast- Thurs PM
Things have already changed from my previous outlook and there are differences in the models, with the GFS differing from the NOGAPS and NAM.
It now apprears that the atmosphere will be warmer and more moist early Saturday, according to the NAM and NOGAPS. The NAM is showing rain for Saturday morning. The GFS is colder and suppresses the moisture to the south and east until later in the afternoon. So which one is correct? The GFS is generally better than the NAM, although the NAM more correctly handled the heavy rain yesterday.
I'm going to hedge and go with a blend.

Sat 12/5: Cloudy and cold with rain by afternoon, possiby starting earlier. A few wet snow flakes possible in the evening. High 45
Sun 12/6 Mostly sunny, breezy and cold. High 44.

Read my most recent Fall-Winter Climate prediction here.
Follow me on Twitter as theweatherguy for on-the-fly weather updates and observations.

posted: Dec 03 2009 at 5:23 pm

[/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	Thu, 03 Dec 2009 Winter Weather Update- Thurs Eve Latest NAM model is wetter and colder. Still has rain late morning Sat, but has a changeover to snow by late afternoon and now suggests 1-2 inches. Latest GFS model not yet available, but earlier GFS was much less impressive with the snow. Stay tuned. posted: Dec 03 2009 at 10:27 pm [/weather/dec09] permanent link Philadelphia Weekend Weather Forecast- Thurs PM Things have already changed from my previous outlook and there are differences in the models, with the GFS differing from the NOGAPS and NAM. It now apprears that the atmosphere will be warmer and more moist early Saturday, according to the NAM and NOGAPS. The NAM is showing rain for Saturday morning. The GFS is colder and suppresses the moisture to the south and east until later in the afternoon. So which one is correct? The GFS is generally better than the NAM, although the NAM more correctly handled the heavy rain yesterday. I'm going to hedge and go with a blend. Sat 12/5: Cloudy and cold with rain by afternoon, possiby starting earlier. A few wet snow flakes possible in the evening. High 45 Sun 12/6 Mostly sunny, breezy and cold. High 44. Read my most recent Fall-Winter Climate prediction here. Follow me on Twitter as theweatherguy for on-the-fly weather updates and observations. posted: Dec 03 2009 at 5:23 pm [/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.