Monday, September 30, 2013

Technical Discussion 9/30 Afternoon Shift

Another pattern of clear, sunny skies and above-average temperatures appears to be in store for the week ahead. A look at the weekend, however, appears to show some wetter weather on its way.

Short Term (Mon-Wed)
A mix of sun and clouds Monday sets the tone for the week ahead. A weak cold front ahead of a weak trough may bring some clouds to the western portions of the state Monday evening heading into Tuesday, but this front will likely dissipate. High pressure-air then takes over for the majority of the week ahead. Temperatures are predicted to climb into the mid-70s for most of Pennsylvania. The urban heat island effects around Pittsburgh and Philadelphia will cause temperatures in the southern corners of Pennsylvania to reach the low-to-mid-80s.

Long Term (Wed-Fri)
A pattern of warm, low humidity air looks to hold its ground for the latter portion of the week. As Friday approaches, however, a high pressure system over the southeastern US looks to change this. Circulation around the high appears to send some moist air from the Gulf of Mexico up to Pennsylvania, which could create some cloudier and wetter conditions. Clouds and rain can be expected for Friday, and are possible throughout the weekend ahead as well. Temperatures are expected to cool down a bit with the arrival of this moist air as well.

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