Synopsis:
A series of bands of precipitation (showers and embedded thunderstorms) will make their way through the Commonwealth over the next several days. A stalled cold front is expected to park itself over the state through Monday, and then lift up northwards Monday night, paving the way for summerlike warmth across many areas on Tuesday and Wednesday. This will break, however, with the passage of a cold front during the day on Thursday. After that, we may see calmer weather for a few days.
Short-term:
Today, a warm front will make its' way across the Commonwealth, enabling temperatures to rise much more than they did yesterday. We saw a few showers earlier ahead of this warm front, but that will be the bulk of the precipitation for today. However, another band of showers will move in for tonight, and then more showers will be had for tomorrow. The cold front will sag slightly south, giving about half of the Commonwealth (the northern half) a break in precipitation. It will be a little cooler temperature-wise, but not much. Then, by Monday, as we start the work-week, the front lifts to the north, which will be the enabling mechanism for warmer air making its' way from the south. There could be some showers and thunderstorms on Monday, particularly in the northwestern areas of Pennsylvania, but it will be a little nicer. Tuesday and Wednesday will be the warmest days, as the 570-mb. height line makes its' approach towards the state. Temperatures in many areas will reach well into the 80s on Tuesday and Wednesday, making it feel more like July than April.
Long-term:
The end to this unstable weather pattern appears to come on Thursday, when a cold front is expected to pass through the state earlier in the day. This will break the summer-like warmth, and also put an end to the showers and thunderstorms, at least for a few days. The next chance of showers looks to come the following Sunday.
Gregory Woloszyn
Saturday morning shift manager
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