Monday, November 3, 2014

Very Warm Tuesday; Another System to Bring Showers and Upslope Snow by Late Week

(Monday 11/3: 4:30 pm)
After a wintry weekend, most Shenandoah Valley locations climbed into the low 60s today thanks to a large area of high pressure crawling across the southeast.  Tuesday will be even warmer with lots of sunshine and light winds out of the southwest helping temperatures get very close to 70.

Tuesday Set-Up..High Pressure Off the Coast Brings Southwesterly Winds Tuesday
A cold front will approach the area late Wednesday night into the day on Thursday bringing our next shot at showers.  These will be enhanced by a wave of low pressure that forms and rides along it.  Total precipitation amounts look to range from 0.5-1.0" before ending late in the day Thursday.

 The southern wave will merge with the parent low coming across the Great Lakes, becoming one single deep system over the northeast early Friday morning.  This track will allow some moisture to wrap around into the western facing upslope regions late Thursday night into Friday.  With cold air in place behind the frontal passage, this will likely fall as snow.  Accumulations will depend on how quickly the system departs and how long we sustain northwest winds.  Any bit helps out ski resorts that are trying to get slopes opened by the end of November, some of which are already blowing snow on colder nights. For the Valley, this front will sweep away this little stretch of warmer weather and return highs to the 50s for the weekend.

Departing System Thursday Night Into Friday Brings Upslope Snow Potential to Western Slopes

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