Synopsis
A cold front will move southeasterly across the state tomorrow afternoon with scattered showers and thunderstorms ahead of the front. The front will move back to the north Wednesday night and a southerly flow will return and warm temperatures back up Thursday. A cold front will move east across the state Friday evening along with scattered showers and storms bringing cooler temperatures for the weekend.
Short Term (Monday night thru Wednesday)
A few light showers are possible overnight tonight and tomorrow due to the upslope component of the southerly flow. The southerly flow we currently have will help temperatures warm tonight and Tuesday before a cold front moves across the state from the northwest Tuesday afternoon. Ahead of the cold front will be scattered showers and storms that will linger into Tuesday morning. The 0-6 km wind shear is significant and the convergence of winds near the surface along the front could lead to strong storms. Both the 12Z GFS and NAM agree with precipitation ahead of the cold front moving in to the northwestern counties by 15Z Tuesday and lingering until about 06Z Wednesday. As the front sits to our south Wednesday temperatures will cool, especially for the northern counties with high temperatures in the 50's.
Long Term (Wednesday night into the weekend)
The cold front to our south will move back north across the state and a southerly flow will return late Wednesday night and provide warmer temperatures for Thursday with high temperatures near 80 for extreme southwestern PA. As a trough of low pressure approaches the region Friday afternoon, a cold front will move east across the state with scattered storms and showers ahead of the front. We will need to keep an eye on the passage of this front, as the wind fields are strong and upsloping will be present. Showers will linger into Saturday morning and temperatures will be cooler for the weekend.
~AJ Herbert
No comments:
Post a Comment