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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, 20 Jan 2011
Philly Winter Weather Update- Thur 9 PM
The latest NAM model data is in line with the experimental HRRR model. Only 1-2 inches snow tonight, ending daybreak Fri. Less in NJ.
The rest of the weekend will be very cold with highs in the 20s.

posted: Jan 20 2011 at 9:09 pm

[/weather/jan11] permanent link

Philly Winter Weather Update- Thur PM
Latest model outputs for PHL airport show about .27 inches water (NAM model), the QPF value (quantity of precip falling) and 0.23 inches water (GFS model). The NAM has been remarkably consistent with its QPF value, but today, the GFS model dropped back a bit. This still translates into about 2-4 inches of snow, ending daybreak on Friday.
A new experimental model, the High Resolution Rapid Refresh model, predicts only 1-2 inches for our area, keeping the heavier snowfall in central PA. I'll look at this again later on, since this model is an ultra short range model, predicting only 15 hours ahead.
The rest of the weekend will be very cold with highs in the 20s.

posted: Jan 20 2011 at 7:42 pm

[/weather/jan11] 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, 20 Jan 2011 Philly Winter Weather Update- Thur 9 PM The latest NAM model data is in line with the experimental HRRR model. Only 1-2 inches snow tonight, ending daybreak Fri. Less in NJ. The rest of the weekend will be very cold with highs in the 20s. posted: Jan 20 2011 at 9:09 pm [/weather/jan11] permanent link Philly Winter Weather Update- Thur PM Latest model outputs for PHL airport show about .27 inches water (NAM model), the QPF value (quantity of precip falling) and 0.23 inches water (GFS model). The NAM has been remarkably consistent with its QPF value, but today, the GFS model dropped back a bit. This still translates into about 2-4 inches of snow, ending daybreak on Friday. A new experimental model, the High Resolution Rapid Refresh model, predicts only 1-2 inches for our area, keeping the heavier snowfall in central PA. I'll look at this again later on, since this model is an ultra short range model, predicting only 15 hours ahead. The rest of the weekend will be very cold with highs in the 20s. posted: Jan 20 2011 at 7:42 pm [/weather/jan11] 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.