Update Sun 11: 19PM — The models have backed away from predicting snow for our area Wednesday into Thursday.
Update Sun 12:42 PM — This morning’s models are on track with last night’s forecast of very light precipitation in the form of wet snow flurries or sprinkles mid -afternoon today, today, Sunday. No accumulation of snow in this area.
National Blend of Models measurable precipitation forecast for 2-4 PM Sunday. Actual area of falling sprinkles/flurries will be larger than the area shown above.
Of interest is a mixed precipitation event this coming Wednesday night into Thursday. Both the latest Canadian and GFS crank out a few (3 ) inches of snow before daybreak Thursday. Stay tuned…
…from Saturday night—
For Sunday— Tonight’s models show possible fog very early, then some sun Sunday morning but an upper air disturbance moves through mid day and early afternoon with cloudiness, snow flurries or rain showers. Snow flurries possible despite temperatures above freezing. Total QPF is less than 0.08 inches water.
The clouds and misty conditions were expected today. Temperatures are running a bit lower than forecast.
The models have been consistent about an increase in probability of light drizzle or light rain later Saturday afternoon into this evening as the main upper trough moves through.
GFS 500 mb Upper Air Height contours at Saturday midnight- Blue line represents the “trough”
Upper air disturbances ahead and behind this trough will cause this light precip.
Some of the models have the light showers and sprinkles falling as snow flurries later this evening and before daybreak Sunday, especially west of Philadelphia.
Sunday will be breezy and there will be significant periods of cloudiness and even some sprinkles as a warmer moist flow moves in aloft behind the upper trough. High 44.
