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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, 22 Jul 2011

    Philadelphia Weekend Weather Forecast - Fri PM
    High pressure that gave us the extraordinary heat and humidity will drift east as weak frontal boundaries move through Saturday night and late Sunday.

    Sat 7/23: Sunny , then partly sunny with with mid level clouds; highs near 98. A weak frontal boundary will move through Saturday night with a 65% chance of scattered thunderstorms, most likely Saturday evening and night.

    Sun 7/24: Partly sunny, with mid level clouds and still hot. High 94. Another frontal boundary will give a slight chance of scattered thunderstorms late afternoon.

    posted: Jul 22 2011 at 10:58 pm

    [/weather/jul11] permanent link

    Fri, 15 Jul 2011

    Philadelphia Weekend Weather Forecast -Fri PM
    High pressure will build in and be over us for the weekend. The GFS MOS has a mix of sun and clouds as warmer air tries to move in Sunday Overall, another beautiful and warm weekend on tap!

    Sat 7/16 Mostly sunny and warm. High 88.

    Sun 7/17: Mostly sunny and very warm . High 90

    posted: Jul 15 2011 at 9:49 pm

    [/weather/jul11] permanent link

    Wed, 13 Jul 2011

    Philadelphia Weekend Weather Forecast -Wed AM
    High pressure will build in and be over us for the weekend. The GFS MOS has a mix of sun and clouds as warmer air tries to move in. Overall, another beautiful weekend on tap!

    Sat 7/16 Mostly sunny and pleasantly warm. High 86.

    Sun 7/17: Mostly sunny and warm. High 85

    posted: Jul 13 2011 at 7:22 am

    [/weather/jul11] permanent link

    Fri, 08 Jul 2011

    Philadelphia Weekend Weather Forecast - Fri PM
    Extremely moist air over our area now interact with an approaching frontal passage Fri evening, with low pressure possibly developing along the front. The NAM cranks out almost 3 inches of rain directly over Philadelphia, but the GFS model has the heaviest rain to our south and only cranks out less than 1/2 inch water.

    The High Resolution Rapid Refresh Model has moderately heavy rains for us, while the experimental NAM keeps some of the heavier rain in the Washington DC area.

    Such differences between the NAM and GFS models always reduces confidence in the forecast, but I'm going with the NAM model and the likelihood of flooding type rains through 9 or 10 this evening.

    High pressure builds in for the weekend with still warm to hot temps (near 90) and lower dewpoints in the mid to low 60s.

    Sat 7/9: Becoming sunny, very warm and less humid. High near 90.

    Sun 7/10: Sunny and continued very warm. High near 90

    posted: Jul 08 2011 at 1:25 pm

    [/weather/jul11] permanent link

    Sat, 02 Jul 2011

    Philadelphia Weekend Weather Outlook - Sat PM
    High pressure drifts to our east and a return flow of increasingly warm and humid air will begin late Saturday into Sunday. Several weak frontal boundaries move through late Saturday night and Sunday, preceded by a 55% chance of showers and thunderstorms Sunday. This front will dissipate and will NOT likely trigger widespread showers.

    Sun 7/3: The latest GFS and NAM models have considerable mid level cloudiness during the day as a weak front slowly passes through but dissipates as it exits. High 90 and increasingly humid. Showers and thunderstorms late Saturday evening through Sunday, although chances only about 55%

    Mon 7/4: A mix of sun and clouds as the weak front dissipates to our south. High 89. The evening's fireworks will likely be dry.

    posted: Jul 02 2011 at 5:26 pm

    [/weather/jul11] permanent link

    Fri, 01 Jul 2011

    Philadelphia Weekend Weather Outlook - Fri PM
    High pressure drifts to our east and a return flow of increasingly warm and humid air will begin late Saturday into Sunday. A cold front moves through late Sunday night, preceded by a 60% chance of thunderstorms Sunday evening.

    Sat 7/2: Sunny very warm and increasingly humid during the day. High 90. As humid air moves in late Saturday night, there's a chance of a shower or thunderstorm.

    Sun 7/3: The latest GFS and NAM models have considerable mid level cloudiness during the day as a cold front approaches. High 90 and increasingly humid. Showers and thunderstorms possible Sunday evening and night, although chances are 60%.

    Mon 7/4: A mix of clouds and sun as the cold front slowly exits. High 89. The evening's fireworks will likely be dry.

    posted: Jul 01 2011 at 10:53 pm

    [/weather/jul11] 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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