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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, 19 Aug 2006
Weekend Weather Forecast- Saturday AM Update
Before the days of access to computer models, I used to forecast the weather based on clouds, barometric pressure and wind direction.
Right now, there's a significant amount of "mixed clouds"- an altocumulus layer above (with some cirrus above that) and cumulus congestus layer developing below. This sort of stormy/threatening sky is often found during August, with tropical moisture adding to the instability. I'm wondering if the models are still underestimating the cloudiness and chance of showers today?
Here's my update:
Sat 8/19: More clouds than sunshine, very warm and humid. Cloudy late afternoon. There's a chance of widely scattered showers during the day. High 87. NJ Beaches: Mostly sunny with clouds just inland as instability meets the slightly cooler ocean flow. Chance of showers, mostly inland. Warm, humid with weak variable winds.
Sun 8/20: Clouds and lingering showers will break for some partial clearing and some sun. High 85. NJ Beaches: Cloudy in the morning, some residual showers. Slow clearing with breaks of sun in afternoon. Still uncertainty in this forecast.

posted: Aug 19 2006 at 8:31 am

[/weather/aug06] permanent link

Weekend Weather Forecast- Saturday
The models continue to have the bulk of precipitation shearing off to our north on Saturday night/Sunday morning, with a frontal boundary passing through during the morning hours.
The high resolution WRF has showers possible just approaching Philadelphia early this evening (Sat) but continues having the bulk of the heavy precip move just north of Philadelphia proper. At the shore, most of the activity will miss us, although some light showers possible early Sunday morning.
Sat 8/19: A mix of clouds and sunshine, very warm and humid. Some increase in clouds late in the afternoon. High 87. NJ Beaches: Mostly sunny, warm and humid.
Sun 8/20: Clouds and lingering showers will break for some partial clearing and some sun. High 85. NJ Beaches: Cloudy in the morning, some residual showers. Slow clearing with breaks of sun in afternoon.

posted: Aug 19 2006 at 6:53 am

[/weather/aug06] 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, 19 Aug 2006 Weekend Weather Forecast- Saturday AM Update Before the days of access to computer models, I used to forecast the weather based on clouds, barometric pressure and wind direction. Right now, there's a significant amount of "mixed clouds"- an altocumulus layer above (with some cirrus above that) and cumulus congestus layer developing below. This sort of stormy/threatening sky is often found during August, with tropical moisture adding to the instability. I'm wondering if the models are still underestimating the cloudiness and chance of showers today? Here's my update: Sat 8/19: More clouds than sunshine, very warm and humid. Cloudy late afternoon. There's a chance of widely scattered showers during the day. High 87. NJ Beaches: Mostly sunny with clouds just inland as instability meets the slightly cooler ocean flow. Chance of showers, mostly inland. Warm, humid with weak variable winds. Sun 8/20: Clouds and lingering showers will break for some partial clearing and some sun. High 85. NJ Beaches: Cloudy in the morning, some residual showers. Slow clearing with breaks of sun in afternoon. Still uncertainty in this forecast. posted: Aug 19 2006 at 8:31 am [/weather/aug06] permanent link Weekend Weather Forecast- Saturday The models continue to have the bulk of precipitation shearing off to our north on Saturday night/Sunday morning, with a frontal boundary passing through during the morning hours. The high resolution WRF has showers possible just approaching Philadelphia early this evening (Sat) but continues having the bulk of the heavy precip move just north of Philadelphia proper. At the shore, most of the activity will miss us, although some light showers possible early Sunday morning. Sat 8/19: A mix of clouds and sunshine, very warm and humid. Some increase in clouds late in the afternoon. High 87. NJ Beaches: Mostly sunny, warm and humid. Sun 8/20: Clouds and lingering showers will break for some partial clearing and some sun. High 85. NJ Beaches: Cloudy in the morning, some residual showers. Slow clearing with breaks of sun in afternoon. posted: Aug 19 2006 at 6:53 am [/weather/aug06] 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.