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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, 13 Apr 2006
Yet Another Forecast Change...
Numerous disturbances in a fast jet flow are difficult to time with the models.
The first disturbance comes through on Friday, with showers during much of the mid-day hours. The latest WRF and GFS shows another disturbance now coming through on Saturday morning, with showers in the morning possibly through noon.

Expect additional changes as the weekend approaches. Confidence in the weekend forecast is lower than usual.
Sat 4/15: Cloudy with showers in the morning, clearing by the afternoon. High 78
Sun 4/16: Mostly sunny in the morning, increasing clouds in the afternoon. High 72.

posted: Apr 13 2006 at 6:34 pm

[/weather/apr06] permanent link

Weekend Outlook
Numerous disturbances moving in the zonal flow across our area are expected over the next few days. The GFS model has had troubles with timing these distubances. A 12-24 hour difference in timing will make a significant difference in the sensible weather.
The first distubance is expected on Thursday, and a second disturbance with showers, is expected on Friday (instead of Saturday). A disturbance on Saturday is expected to pass to our south now, while a somewhat stronger disturbance may bring light showers on Sunday late afternoon.

Expect more changes as the weekend approaches. Confidence in the weekend forecast is lower than usual.
Sat 4/15: Partly sunny and mild. Temps in the mid 70s.
Sun 4/16: Mostly sunny in the morning, increasing clouds in the afternoon. High 72.

posted: Apr 13 2006 at 6:56 am

[/weather/apr06] 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 Apr 2006 Yet Another Forecast Change... Numerous disturbances in a fast jet flow are difficult to time with the models. The first disturbance comes through on Friday, with showers during much of the mid-day hours. The latest WRF and GFS shows another disturbance now coming through on Saturday morning, with showers in the morning possibly through noon. Expect additional changes as the weekend approaches. Confidence in the weekend forecast is lower than usual. Sat 4/15: Cloudy with showers in the morning, clearing by the afternoon. High 78 Sun 4/16: Mostly sunny in the morning, increasing clouds in the afternoon. High 72. posted: Apr 13 2006 at 6:34 pm [/weather/apr06] permanent link Weekend Outlook Numerous disturbances moving in the zonal flow across our area are expected over the next few days. The GFS model has had troubles with timing these distubances. A 12-24 hour difference in timing will make a significant difference in the sensible weather. The first distubance is expected on Thursday, and a second disturbance with showers, is expected on Friday (instead of Saturday). A disturbance on Saturday is expected to pass to our south now, while a somewhat stronger disturbance may bring light showers on Sunday late afternoon. Expect more changes as the weekend approaches. Confidence in the weekend forecast is lower than usual. Sat 4/15: Partly sunny and mild. Temps in the mid 70s. Sun 4/16: Mostly sunny in the morning, increasing clouds in the afternoon. High 72. posted: Apr 13 2006 at 6:56 am [/weather/apr06] 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.