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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, 25 Oct 2012

    Hurricane Sandy Update- Thurs Eve
    The latest NOGAPS model continues to forecast explosive cyclogenesis with Sandy, as a transition from a hurricane to an extratropical monster Nor'easter occurs off of the NJ/DE shoreline and then negatively tilts toward a westward track into Pennsylvania! High winds and flooding rains still predicted to occur, with possibly devastating effects at the shore due to high astronomical tides associated with a full moon. The timeframe of the NOGAPS brings the storm into NJ/PA late Sunday into Monday, with rain as early as Saturday evening.

    The latest GFS model has a somewhat similar track as the NOGAPS, BUT is slower in bringing the storm into the NJ coast. It has the storm not moving inland until Monday night and Tuesday morning. Incredibly, the GFS model has the storm even stronger than the NOGAPS!

    I've been tracking this since Tuesday -- Here are
    background posts regarding the storm where my bets have been on the NOGAPS model.

    The current track on the NOGAPS is now being adopted by the National Hurricane center, which has an increasingly similar track. This remains to be a potentially disruptive and dangerous storm and needs to be watched. Updates tomorrow.

    posted: Oct 25 2012 at 7:44 pm

    [/weather/oct12] permanent link

    Hurricane Sandy Update- Thurs PM
    The latest NOGAPS model continues to forecast explosive cyclogenesis with Sandy, as a transition from a hurricane to an extratropical monster Nor'easter occurs off of the NJ/DE shoreline and then negatively tilts toward a westward track into Pennsylvania! High winds and flooding rains still predicted to occur, with possibly devastating effects at the shore due to high astronomical tides associated with a full moon. The big change is the timeframe, which now is now similar to the slower GFS model, with the peak effects occuring Sunday night into Monday, as it comes onshore. The other change is the appearance that it may stay more tropical and somewhat smaller upon landfall, and then become more extratropical and larger in structure and size.

    The current track on the NOGAPS is now being adopted by the National Hurricane center, which has an increasingly similar track. This remains to be a potentially disruptive and dangerous storm and needs to be watched. Updates later.

    posted: Oct 25 2012 at 12:52 pm

    [/weather/oct12] 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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