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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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    Fri, 24 Jul 2009

    Philadelphia Weekend Weather Update- Fri PM
    Things have changed for Sunday. High pressure will provide a southwesterly flow of very warm (maybe hot) and humid air for Saturday. A frontal boundary approaching on Sunday may cause showers and thunderstorms in the morning and possibly into the afternoon.

    Sat 7/25: Mostly sunny, hazy, hot and humid. Chance of a late afternoon or early evening scattered thunderstorm. High 90

    Sun 7/26: Cloudy with showers and thunderstorms in the morning. Very warm and humid. High 85.

    Solar- Climate Comment- Updated 07-24-09: The visible sun remains spotless. Solar activity remains quiet and solar flux remains low, at 68. We will remain in an climatically cool weather pattern for the summer, as solar flux and total solar irradiance are at extreme lows due to an anomalous nadir in the the sunspot cycle. Continue to expect a cooler than normal summer on average and this pattern will likely extend well into the fall and winter. We may have a record cold fall and winter this year.

    Follow me on Twitter as theweatherguy for quick updates and weather observations.

    posted: Jul 24 2009 at 9:50 pm

    [/weather/jul09] permanent link

    Quick Weather Update
    Latest NAM has thunderstorms for later afternoon Friday and some rain/thunderstorms Sunday morning.

    Catch more quick updates on Twitter. Follow me as-- theweatherguy

    posted: Jul 24 2009 at 11:59 am

    [/weather/jul09] permanent link

    Philadelphia Weekend Weather Outlook- Fri AM
    High pressure will provide a southwesterly flow of very warm (maybe hot) and humid air for Saturday. A frontal boundary approaching on Sunday may cause showers and thunderstorms late in the day. Most of the weekend will be dry.

    Sat 7/25: Mostly sunny, hazy, hot and humid. Chance of a late afternoon or early evening scattered thunderstorm. High 90

    Sun 7/26: Cloudy early, then brightening skies with some hazy sun by late morning. Very warm and humid with thunderstorms possible late in the afternoon. High 89.

    Solar- Climate Comment- Updated 07-24-09: The visible sun remains spotless. Solar activity remains quiet and solar flux remains low, at 68. We will remain in an climatically cool weather pattern for the summer, as solar flux and total solar irradiance are at extreme lows due to an anomalous nadir in the the sunspot cycle. Continue to expect a cooler than normal summer on average and this pattern will likely extend well into the fall and winter. We may have a record cold fall and winter this year.

    Follow me on Twitter as theweatherguy for quick updates and weather observations.

    posted: Jul 24 2009 at 9:02 am

    [/weather/jul09] permanent link

    NY Times Covers the Recent Solar Activity - Weather Connection
    My regular readers know that I've been commenting on the connection with recent low solar activity and cooler temperatures since Oct 17th, 2008

    Here's a recent NY Times article that provides a very balanced review of the issue: http://www.nytimes.com/2009/07/21/science/space/21sunspot.html?_r=2&pagewanted=all

    posted: Jul 24 2009 at 8:35 am

    [/solar] 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.

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