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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]
	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			Fri, 16 Oct 2009 Forecast Update Layest NAM Model data avaiable. Light rain for Saturday; it now has the heavy rain for all day Sunday. GFS model data not yet available. posted: Oct 16 2009 at 10:31 pm [/weather/oct09] permanent link Philadelphia Weekend Weather Forecast- Fri PM No change in the forecast- The models have been consistent with the forecast for the weekend. The basic scenario involves the development of a sharp upper air trough in the Great Lakes area, causing the passage of a cold front on Friday. Surface low pressure develops along the upper trough, giving rain for Saturday. The upper trough lifts out late Sunday. According to the GFS model, the rain ends early Sunday afternoon, remaining mostly cloudy, perhaps some bright spots in the afternoon. (The NAM has rain lingering into the evening. I'm going with the GFS.) Sat 10/17: Cloudy with rain, moderately heavy at times. Breezy and cold. High 42. Sun 10/18:Cloudy with showers and damp in the morning, showers end early afternoon. Possible bright spots in the afternoon. Breezy, cold. High 45 Read my most recent Fall-Winter Climate prediction here. Follow me on Twitter as theweatherguy for on-the-fly weather updates and observations. posted: Oct 16 2009 at 6:57 pm [/weather/oct09] permanent link Philadelphia Weekend Weather Outlook- Fri AM The models have been consistent with the forecast for the weekend. The basic scenario involves the development of a sharp upper air trough in the Great Lakes area, causing the passage of a cold front on Friday. Surface low pressure develops along the upper trough, giving rain for Saturday. The upper trough lifts out late Sunday. The rain ends early Sunday afternoon, remaining mostly cloudy, perhaps some bright spots in the afternoon. Sat 10/17: Cloudy with rain, moderately heavy at times. Breezy and cold. High 42. Sun 10/18:Cloudy and damp early breaks for brighter skies in the afternoon. Breezy, cold. High 46 Read my most recent Fall-Winter Climate prediction here. Follow me on Twitter as theweatherguy for on-the-fly weather updates and observations. posted: Oct 16 2009 at 5:48 am [/weather/oct09] 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.