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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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Sat, 15 Oct 2011
NEW NAM WEATHER MODEL GOES LIVE ON TUESDAY, OCT 18th
The NAM model gets a major upgrade and the new version becomes operational this Tuesday, Oct 18th. It's been run as an experimental parallel model for quite some time. I've noticed some significant differences in this newer model, but perhaps the best summary statement is that it's much closer to the GFS output than it used to be. It will be interesting to see how the NAM does in predicting snow this coming winter.

posted: Oct 15 2011 at 9:44 am

[/weather/oct11] permanent link

Philadelphia Weekend Weather Forecast - Sat AM
Following the cold front yesterday, high pressure will build in, but the upper pattern will be cyclonic due to a deep low in Canada. An upper air disturbance rotating around this deep low in Canada will pass through our area late Sunday giving us cloudiness.
Sat 10/15: Mostly sunny, some clouds at times, windy and cooler. High 69.
Sun 10/16: Mostly sunny early, then increasing cloudiness during the morning, becoming mostly cloudy during the afternoon. No rain expected. High 67.

NEW NAM MODEL GOES LIVE ON TUESDAY, OCT 18th-- The NAM model gets a major upgrade and becomes operational this Tuesday. It's been run as an experimental parallel model for quite some time. I've noticed some significant differences in this newer model, but perhaps the best summary statement is that it's much closer to the GFS output than it used to be. It will be interesting to see how the NAM does in predicting snow this coming winter.

posted: Oct 15 2011 at 9:39 am

[/weather/oct11] 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	Sat, 15 Oct 2011 NEW NAM WEATHER MODEL GOES LIVE ON TUESDAY, OCT 18th The NAM model gets a major upgrade and the new version becomes operational this Tuesday, Oct 18th. It's been run as an experimental parallel model for quite some time. I've noticed some significant differences in this newer model, but perhaps the best summary statement is that it's much closer to the GFS output than it used to be. It will be interesting to see how the NAM does in predicting snow this coming winter. posted: Oct 15 2011 at 9:44 am [/weather/oct11] permanent link Philadelphia Weekend Weather Forecast - Sat AM Following the cold front yesterday, high pressure will build in, but the upper pattern will be cyclonic due to a deep low in Canada. An upper air disturbance rotating around this deep low in Canada will pass through our area late Sunday giving us cloudiness. Sat 10/15: Mostly sunny, some clouds at times, windy and cooler. High 69. Sun 10/16: Mostly sunny early, then increasing cloudiness during the morning, becoming mostly cloudy during the afternoon. No rain expected. High 67. NEW NAM MODEL GOES LIVE ON TUESDAY, OCT 18th-- The NAM model gets a major upgrade and becomes operational this Tuesday. It's been run as an experimental parallel model for quite some time. I've noticed some significant differences in this newer model, but perhaps the best summary statement is that it's much closer to the GFS output than it used to be. It will be interesting to see how the NAM does in predicting snow this coming winter. posted: Oct 15 2011 at 9:39 am [/weather/oct11] 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.