SNOW FOR SUNDAY POSSIBLE

Update Fri @ 9:52 AM — No significant change in the snow forecast. I’m going to borrow from my previous posts which basically captures the forecast:

From yesterday: “The models have all moved to a weak, unphased system with development occurring further from us. Totals of a coating to an inch are now forecast. “

From Tuesday: “A cold front moves through Saturday night and stalls. Low pressure develops in the southeast coastal area. Track appears offshore, but several models have some moisture over-running the stalled frontal boundary with some snow possible here on Sunday.”

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Previously Posted Wed 10:02 AM —

  • GFS forecast with increasingly phased system Sunday

The difference for us between a phased system and unphased is a snowfall of >4 inches….. vs 1″, maybe 2″(unphased).

The German ICON and Canadian GEPS were somewhat closer to the unphased ECMWF. So this is “still up in the air”

Stay tuned. I’ll have a better sense of the trend late this afternoon after the other global models and ensembles have become available.

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THIS WEEK’S WEATHER

Update Wed @ 8:20 AM — A preliminary update. A quick review of last night’s models, particularly the GFS and GEFS, show a more significant snowfall possible for Sunday. (> 2 inches) Update later.


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WEEKEND WEATHER FORECAST

Update Sun @ 9:12 AM — Regarding the coastal storm passing to our east Monday evening, this morning’s HRRR, NAM-NEST and HIRESW have some light freezing rain moving in Monday morning during the rush hour, well in advance of the main low pressure center.

This morning’s 12z HRRR forecast for Monday at 9 AM. Freezing rain in red. (Click on image for a larger view.)
Today’s 06z ECMWF forecast for Monday 7 AM, showing light freezing rain north of the 32º (white) contour and and light snow north of the (purple) 1000-850 mb thickness line. The ECMWF suggest that this starts before daybreak. (Click on image for a larger view.)

The main low is still expected to pass to our east with the edge of the precipitation shield being rain in our area later Monday afternoon and evening.


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Cold high pressure will build in behind the rain that moved away almost on schedule as forecast. A straight forward forecast for the weekend.

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Previously Posted Fri 7:52 PM —

Sunday

Sunny, occasional fair weather clouds. Much less windy. High temperature 33.0º ± 2.2º. NBM model, Blue Bell.

Looking Ahead…

Of interest is a low pressure system that will move off the coast Monday night into Tuesday morning. Most models have it missing us, possibly brushing the southern NJ shore with snow showers/flurries for us. I’ll keep an eye on it.

This afternoon’s ECMWF 18z forecast for Tues 7 AM (Click on image for a larger view.)