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As WAR expands, do our snow chances increase? First wave may produce a middling event-solid advisory and possible low end warning for MLK Weekend


weathafella
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1 minute ago, weathafella said:

I think everyone in metro west does ok.  You’re in East Boston but even BOS has dropped 5 degrees to 41.  I think by halftime of the afc game we’re rocking.

I hope you’re right and I’m wrong. In Chelsea now but it’s pretty much the same thing from a weather standpoint. Maybe 1-2 degrees cooler depending on the setup. Agree that metro west-north shore probably does the best in EMass

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.NEAR TERM /UNTIL 6 AM MONDAY MORNING/...

Key Points
 *Winter Storm Headlines remain in effect for tonight
   *6-8 inches, with localized 10 inches NW of I-95
   *3-6 inches, with higher uncertainty SE of I-95
   *0-2 inches across the Cape and the Islands

An area of low pressure strengthens as it makes a close pass
offshore, with the center near the Cape and Islands. Model guidance
remained consistent with this path today. Thus, confidence continues
to increase for widespread accumulating snowfall across the region
tonight. Precipitation moves in SW to NE tonight between 4 pm - 7
pm, with a mix of rain/snow possible with onset due to above-
freezing temperatures around the region.  Temperatures should drop
below freezing from NW to SE between 4 pm and 8 pm, allowing any
rain-snow mix to change to snow.

The heaviest snow and best potential for banding will occur between
6 pm to 1 am, where 0.5 inch/hr snow rates are likely, with a low to
moderate chance for 1-2 inch/hr snow rates.  The latest 12z Hi-res
guidance favors SE of the I-95 corridor from Boston to Providence
for the heaviest QPF and snow rates due to the close offshore track
of the low.  However, SE MA and RI is the area of highest
uncertainty because temperatures will take longer for temps to drop
below freezing.  If temps stay above freezing after 7-8pm, then snow
totals likely remain in the 3-6 range, but if they drop quicker,
then 6-8 inches with localized 10 inches will be possible.  As for
north and west of I-95, colder temps and higher snow-to-liquid
ratios will make up for less QPF. Widespread of 6-8 inches is
expected, with localized areas of up to 10 inches possible.

As for the Cape and Islands, Temps should stay above freezing until
after midnight; by this point, the heaviest QPF will have moved off
to the northeast.  We did bump up snow totals with the slight shift
south in the Hi-res guidance.  Expect anywhere from 0-2 inches, with
localized 3-4 inches if colder temps move in quicker than expected.
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Just started here in the past half hour. I'm at about 500 ft. I just got my haircut down the hill in town and it was kind of a rain with a couple snowflakes. Went home up to my house and it was a bit more of snow. From my window of our home. I can see the top of the mountain next to me which is another 250 ft up and it was snowing up there . It's so crazy how you can see three different levels of what's going on. 

Ps, it's snowing in Philadelphia now

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