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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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Fri, 15 Jan 2010
Weather Update
Tonight's models differ on the onset of rain for Sunday. The NAM model has rain starting in the afternoon while the GFS has rain starting in the morning.

posted: Jan 15 2010 at 11:08 pm

[/weather/jan10] permanent link

Philadelphia Week Weather Outlook- Fri PM
As the amplified trough retreats somewhat, allowing somewhat a somewhat milder flow to raise temps a bit here, a deep low pressure system is progged to develop in the Gulf of Mexico and move up along the Appalachians. Heavy rain is possible for Sunday. The GFS has the rain starting in the morning, the NAM waits until early afternoon. The NAM has more clouds for Saturday.
Sat 1/18 Partly sunny/cloudy and milder. Some high cloudiness possible late afternoon. High 45
Sun 1/19 Cloudy with rain, possibly heavy, by late morning. High 39.
Solar Climate Discussion: This past summer (see post), I suggested that this upcoming winter would be unusually cold due to a lull in solar activity. The sun remains at a prolonged minimum sunspot activity, although there has finally been a long expected uptick in activity in December indicating the beginning of Solar Cycle 24. Total Solar Irradiance is about 1 watt/m2 lower than it was during the peak of the last solar cycle in April 2000. Continue to expect below normal temperatures on average for this winter and early spring.

posted: Jan 15 2010 at 8:29 pm

[/weather/jan10] 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	Fri, 15 Jan 2010 Weather Update Tonight's models differ on the onset of rain for Sunday. The NAM model has rain starting in the afternoon while the GFS has rain starting in the morning. posted: Jan 15 2010 at 11:08 pm [/weather/jan10] permanent link Philadelphia Week Weather Outlook- Fri PM As the amplified trough retreats somewhat, allowing somewhat a somewhat milder flow to raise temps a bit here, a deep low pressure system is progged to develop in the Gulf of Mexico and move up along the Appalachians. Heavy rain is possible for Sunday. The GFS has the rain starting in the morning, the NAM waits until early afternoon. The NAM has more clouds for Saturday. Sat 1/18 Partly sunny/cloudy and milder. Some high cloudiness possible late afternoon. High 45 Sun 1/19 Cloudy with rain, possibly heavy, by late morning. High 39. Solar Climate Discussion: This past summer (see post), I suggested that this upcoming winter would be unusually cold due to a lull in solar activity. The sun remains at a prolonged minimum sunspot activity, although there has finally been a long expected uptick in activity in December indicating the beginning of Solar Cycle 24. Total Solar Irradiance is about 1 watt/m2 lower than it was during the peak of the last solar cycle in April 2000. Continue to expect below normal temperatures on average for this winter and early spring. posted: Jan 15 2010 at 8:29 pm [/weather/jan10] 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.