Synopsis...
A potent warm front will bring increasing rain through Early Wednesday morning, when the rain begins to die down. Scattered showers are possible with a secondary cold front moving through Wednesday late morning through the mid afternoon. Temperatures will cool down behind this system, and a cooler trend will last through the beginning of the weekend.
Short Term...
The area of high pressure that has kept us dry the past week will finally be pushed to the NE by an approaching warm front. Isolated showers are possible through the early afternoon with this front's approach, though I expect any showers by this point to be minimal and insignificant. According to the WRF, heavier showers should build in by 22Z. The bulk of this rain will push out of the commonwealth by sunrise on Wednesday. High temperatures for Tuesday and Wednesday for the south central and southeastern regions will likely come between 4Z and 8Z on Wednesday. Once this warm front passes, temperatures will cool down statewide as a cold front behind this warm front moves through. Wednesday midday will not be as rainy, though the threat of a scattered shower exists. Breezy conditions will also be prevalent on Wednesday. The WRF moves diminishes most of this rain by the early evening Wednesday. For Thursday, the WRF picks up a weak shortwave early Thursday morning that could bring a light shower to the extreme southwestern regions of the state. Aside from the rain, Tuesday through Thursday look to be cloudy all day.
Long Term...
MOS suggests our coldest day of the week will be Friday, with some areas barely making it to the low 40s. Despite the cooler weather, skies will remain mostly clear to clear through the end of this forecast period as a broad ridge of high pressure sets up over the eastern United States and southern Canada. Some clouds will build in Sunday and Monday, but should be void of precipitation.
Andrew Dzambo
We Are... Penn State Meteorolgy
A potent warm front will bring increasing rain through Early Wednesday morning, when the rain begins to die down. Scattered showers are possible with a secondary cold front moving through Wednesday late morning through the mid afternoon. Temperatures will cool down behind this system, and a cooler trend will last through the beginning of the weekend.
Short Term...
The area of high pressure that has kept us dry the past week will finally be pushed to the NE by an approaching warm front. Isolated showers are possible through the early afternoon with this front's approach, though I expect any showers by this point to be minimal and insignificant. According to the WRF, heavier showers should build in by 22Z. The bulk of this rain will push out of the commonwealth by sunrise on Wednesday. High temperatures for Tuesday and Wednesday for the south central and southeastern regions will likely come between 4Z and 8Z on Wednesday. Once this warm front passes, temperatures will cool down statewide as a cold front behind this warm front moves through. Wednesday midday will not be as rainy, though the threat of a scattered shower exists. Breezy conditions will also be prevalent on Wednesday. The WRF moves diminishes most of this rain by the early evening Wednesday. For Thursday, the WRF picks up a weak shortwave early Thursday morning that could bring a light shower to the extreme southwestern regions of the state. Aside from the rain, Tuesday through Thursday look to be cloudy all day.
Long Term...
MOS suggests our coldest day of the week will be Friday, with some areas barely making it to the low 40s. Despite the cooler weather, skies will remain mostly clear to clear through the end of this forecast period as a broad ridge of high pressure sets up over the eastern United States and southern Canada. Some clouds will build in Sunday and Monday, but should be void of precipitation.
Andrew Dzambo
We Are... Penn State Meteorolgy
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