Tuesday, February 23, 2010

Biggest nor'easter on the way

Storm #1 has been slow coming in, as it has just been cloudy all day. However, it is now snowing in Worcester as of 530PM, and rain has arrived in Providence. The precip will first lift north, and then east arriving in Boston after 9 PM. It will probably arrive as rain in Boston, but then change to snow after midnight. It will be wet snow until 9 AM, before changing to rain in Boston. Then, rain will continue for the rest of the day. However, north and west of Worcester it will stay mainly snow until afternoon. They could pick up 2 feet of snow in the Berkshires and southern VT. Then, a much more powerful storm will come up the coast on Thursday. The latest model runs suggest it will pass right over us, providing us with a wind-driven rain storm during the day on Thursday. Hurricane force wind gusts will be possible along the coast, including the Boston area. Then, as colder air comes in on Friday it will change it to snow and few inches will be possible. However, an additional 2-3 FEET of snow may fall in upstate NY, VT and central and northern NH. Even NYC will pick up a good amount of snow. I suggest not making any trip to northern New England this weekend, as blizzard conditions may last through Sunday. Also, drifts over 4 feet are possible and power outages are likely.


Timeline for storm 1:

9 PM: Rain or wet snow arrives in Boston.

Midnight Wednesday: Any rain changes to all snow in Boston.

6 AM: Begins to mix with rain in Boston, with snow to the NW.

9 AM: Rain in Boston, snow still NW of 495.

10 AM-5 PM: Rain, with NE winds gusting to 30 MPH.


Amounts:

6-12+: Northern Worcester county and SW NH.

4-6 : North and west of 495, including Worcester.

2-4: North and west of 128. Including: Concord, Natick, Topsfield, Reading, Lincoln.

Coating-2: The immediate Boston area to Providence. Including Medford, Dedham, Norwood, Franklin. Maybe just a coating at Logan, but an inch of slush is possible in JP.


Storm #2 details: Revisions likely.

Wednesday night: Rain and snow showers as we break between systems.

Thursday: Rain, heavy at times along with an increasing NE wind. NE wind gusts to 70 MPH are possible along the coast in the afternoon.

Thursday night: Rain changes to snow from west to east. The rain/snow line doesn't make it to Boston before dawn. NE wind shifting to NW with gusts over 50 MPH likely.

Friday: Rain finally changes to Snow in Boston amounting to a few inches, but more NW of 128.

Weekend: Blizzard rages in Northern New England as storm stalls, but just rain and snow showers in the Boston area/

2 comments:

  1. Do any of the models show us getting more than just a few inches of snow here in Boston over the next few days?

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  2. Yes, one model I trust is going for a colder idea and several inches of snow. However, most of the other models have a rainy event. So I am going for a mainly rain event in the Boston area.

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