Synopsis...
The first day of fall is going to feel more like the first day of Summer. Unseasonably high temperatures will dominate the weather picture for the next few days. Aside from that, there isn't too much exciting stuff to talk about.
Short Term...
All models are in good agreement of a weak warm front moving through the area during the day. The precipitation associated with this front is minimal at best... My best guess is a 30% chance of rain, mainly held off to the western regions of the state. Temperatures during the day through the mid-central part of the state will hold in the mid 80s or so. A strong SW flow will build behind this warm front, and that will set the stage for a much more humid and warmer day on Friday. On Saturday morning, WRF indicates the flow shifts to the west. This shift will bring in drier and cooler air to the state, but won't be able to build in fast enough to cool off the entire state. The result... a fairly steep temperature gradient will build in along the western Appalachians, with temps varying between the high 50s in the NW to the low 70s in the central part of the state. Expect breezy conditions in this area for the Penn State vs. Temple game.
Long Term...
A high pressure system, as indicated by WRF and GFS, builds in over the state on Sunday. Temperatures this day regionally will be warm but more seasonable. By Monday, though, a strong vort lingering over the SE region of the US will slowly erode the high pressure. Monday should stay mostly clear, but clouds will start to build in later that day as this system approaches. This will be the next significant weather system to watch, as it should be reasonably healthy by the time it approaches the state.
Andrew Dzambo
We Are... Penn State Meteorology
The first day of fall is going to feel more like the first day of Summer. Unseasonably high temperatures will dominate the weather picture for the next few days. Aside from that, there isn't too much exciting stuff to talk about.
Short Term...
All models are in good agreement of a weak warm front moving through the area during the day. The precipitation associated with this front is minimal at best... My best guess is a 30% chance of rain, mainly held off to the western regions of the state. Temperatures during the day through the mid-central part of the state will hold in the mid 80s or so. A strong SW flow will build behind this warm front, and that will set the stage for a much more humid and warmer day on Friday. On Saturday morning, WRF indicates the flow shifts to the west. This shift will bring in drier and cooler air to the state, but won't be able to build in fast enough to cool off the entire state. The result... a fairly steep temperature gradient will build in along the western Appalachians, with temps varying between the high 50s in the NW to the low 70s in the central part of the state. Expect breezy conditions in this area for the Penn State vs. Temple game.
Long Term...
A high pressure system, as indicated by WRF and GFS, builds in over the state on Sunday. Temperatures this day regionally will be warm but more seasonable. By Monday, though, a strong vort lingering over the SE region of the US will slowly erode the high pressure. Monday should stay mostly clear, but clouds will start to build in later that day as this system approaches. This will be the next significant weather system to watch, as it should be reasonably healthy by the time it approaches the state.
Andrew Dzambo
We Are... Penn State Meteorology
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