Saturday Weather Update

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Saturday 8 PM Forecast Map

Last night’s showers that interrupted the Phillies game were forecast to occur, but the chances were low probability.  Low probability clearly doesn’t mean no probability.  The showers were the result of an upper air cyclonic flow and a cool pool of cold air aloft, resulting in  instability and lift.

Today’s NAM model continues with the possibility of instability showers developing between 2 PM and 7PM. —-  expected to be widely scattered and somewhat more numerous in central NJ.

In fact, the NAM lifted index is forecast to be somewhat more unstable today, so scattered showers are likely, although not every area will see them.

 

 

Memorial Day Weekend Forecast

The non-meteorological start of the summer season begins this weekend, and by Monday, it should feel like summer. A lingering reminder of the spring is still with us in the form of an upper air cyclonic flow, and this upper air feature will move away by Sunday.

Before then, the pool of cold air in the upper atmosphere may cause instability showers to form Saturday afternoon, although the models keep the higher likelihood to our north.

Beautiful weather– plenty of sunshine– for Sunday and Monday.

Sat 5/24: A mix of sun and clouds. High 74.

Sun 5/25: Sunny and pleasantly warm.. High 80.

Mon 5/26: Sunny and warm. High 84.

Warm Front moves through tonight

A warm front will move through this evening, with showers and perhaps a thunderstorm.

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Milder temperatures and higher dew points follow. A generally unstable pattern through Saturday as a developing upper air trough allows instability showers especially Saturday afternoon. Things should dry out on Sunday, but the upper air trough may allow clouds to form Sunday afternoon.

Storm Forecasts & Other Things "up in the air".

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