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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
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Thu, 13 Dec 2007
Weekend Weather Update - Thurs PM
The latest models have the approaching storm on Saturday reaching us somewhat later and the warm core of the storm will be close enough that this will be a essentially rain event, except for areas in central Pennsylvania and west.
The precip may start as sleet Saturday evening, but will quickly turn to heavy rain. There is a concern that there may be some freezing rain at the onset which may linger, especially north and west of the city. The models are having the storm develop right over us, with the triple point moving through. Some thunder/lightning is even possible with this storm.
Looking at the maps, we have to keep our eye on the amount of cold air just to our north. If high pressure builds further south, it may supress the system eastward, giving us snow. That's my two cents...the 20 stastical ensemble runs of the GFS suggest this possibility, but the regular models don't seem to show that.
Sat 12/15: Becoming cloudy. Sleet starts about 5-7PM then changes quickly to freezing rain, then rain during the evening and night. Heavy rain possible at night. High 35.
Sun 12/16: Around daybreak, Rain changes back to snow showers before ending. Cold and windy conditions develop in the afternoon, possibly some breaks in the clouds. High 35.
I'll keep an eye on this one!
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posted: Dec 13 2007 at 5:52 pm

[/weather/dec07] 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, 13 Dec 2007 Weekend Weather Update - Thurs PM The latest models have the approaching storm on Saturday reaching us somewhat later and the warm core of the storm will be close enough that this will be a essentially rain event, except for areas in central Pennsylvania and west. The precip may start as sleet Saturday evening, but will quickly turn to heavy rain. There is a concern that there may be some freezing rain at the onset which may linger, especially north and west of the city. The models are having the storm develop right over us, with the triple point moving through. Some thunder/lightning is even possible with this storm. Looking at the maps, we have to keep our eye on the amount of cold air just to our north. If high pressure builds further south, it may supress the system eastward, giving us snow. That's my two cents...the 20 stastical ensemble runs of the GFS suggest this possibility, but the regular models don't seem to show that. Sat 12/15: Becoming cloudy. Sleet starts about 5-7PM then changes quickly to freezing rain, then rain during the evening and night. Heavy rain possible at night. High 35. Sun 12/16: Around daybreak, Rain changes back to snow showers before ending. Cold and windy conditions develop in the afternoon, possibly some breaks in the clouds. High 35. I'll keep an eye on this one! Like these forecasts? Improve my Yahoo ratings by clicking on an ad of interest at the top of the page! If you receive this report via RSS feed without ads, please visit the site http://theweatherguy.net and click. Thanks! posted: Dec 13 2007 at 5:52 pm [/weather/dec07] 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.