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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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    Tue, 12 Nov 2013

    Philadelphia Winter Climate Outlook -Nov 2013
    I've been trying to get a handle on the upcoming winter climate forecast. This year appears to be more difficult than most to identify a "pattern" that will influence our weather. Those who regularly follow my forecasts know that I generally put a lot of stock on our solar cycle. In that regard, we are just approaching the second solar peak that's often seen in solar cycle maximas. However, this solar cycle maximum is significantly lower than past cycles and it follows an rather extended solar minimum. So the solar influences (higher temps and dry conditions) seem less pronounced than in past recent decades.

    Most notable for many months has been a persistent dip and amplification of the jet stream as a result of a very active polar vortex, followed by significant warm ups. This suggests periods of very cold weather alternating with mild conditions. With the alternations come significant storms, although ice-type storms associated warm fronts appears to be favored with the current pattern. I believe this pattern of extreme cold followed by briefer warm periods will continue.

    On average, I think this winter in Philadelphia may lean towards colder than normal temperatures, despite global warming, with large swings in temperatures. This favors above normal precipitation, particularly in the snow and especially ice precipitation types for our area. I guess we'll see.

    posted: Nov 12 2013 at 9:45 pm

    [/weather/weather_trends] permanent link

    Wed, 26 Sep 2007

    Major Change in Our Climate Patterns - Wed PM
    Back in the spring, I noticed that the storm track had shifted to a more typical Great Lakes storm track, resulting in less rain for our area. This storm track continues, with our area remaining between the southerly and northerly jets.

    I'm beginning to feel that we are entering a very dry pattern similar to the pattern we experienced in 1999 through 2002. We had severe drought conditions here at that time. I guess we'll see.

    posted: Sep 26 2007 at 7:20 pm

    [/weather/weather_trends] permanent link

    Wed, 18 Oct 2006

    Winter Climate Outlook
    As I've mentioned several times in recent weeks, the current weather pattern is conducive to a cold and stormy (meaning alot of SNOW) winter. Plenty of time for the current pattern to change, but this pattern has been with us since the beginning of the summer and has been more accentuated lately. I guess we'll see!

    posted: Oct 18 2006 at 5:52 pm

    [/weather/weather_trends] permanent link

    Fri, 18 Nov 2005

    Upcoming Winter Weather Notes
    A very deep trough and upper closed low pattern is forecast for the next two weeks. Several significant coastal storms are forecast by the models to develop. If this were February, we'd be concerned about blizzards. Is this an indication of the coming winter? We'll have to see how this pattern holds.

    posted: Nov 18 2005 at 6:49 pm

    [/weather/weather_trends] 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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