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Brief Winter shot discussion


ORH_wxman

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I wonder what the disconnect is because the SREFs actually increased probs for tonight to 55-60% for ORH...much higher than 09z which was around 35%. I still don't think much of tonight though...

For tomorrow night it actually has some >20% probs for NE MA.

Yeah I just saw that. Weird because the sref plume mean went from 1.2" to .2". It seems to run high anyway so it probably doesn't matter. 18z gfs looks like an inch or two is possible in the 8z to 11z timeframe but we'll see. It'll probably be only at elevation and melted by 12z if it even happens. 18z nam bufkit showed an inch too.

edit: Nevermind. The sref plume did go up...I don't know what I was looking at. The mean is 1.3" or so but there's a cluster around 2" and then another cluster at hardly anything. There's a member that gives 3" :lol:

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I decided to make a separate thread for this brief shot of winter wx tomorrow night (Friday night) as it has trended a little more impressive with the upper level energy. Most guidance now has some sort of an inverted trough enhancing the upper level cold pool over SNE/CNE...it looks like the most favorable areas would be MA/ and S half of VT/NH (not counting the upslope fetish spots in N VT)...though the NAM tries to get CT into RI but its further south than any other guidance.

:lol:

You know I'm not very excited about much of anything up here...dunno why, just not feeling much. Maybe an inch on the mountain and a coating in town, but I'm really just expecting some non-accumulating flakes down here at 800ft. I think the inverted trough gives you guys in SNE a much better chance at some measurable (if that inverted trough occurs) than we have with upslope... just not seeing that strong of a NW flow and there's really no moisture left in the low levels to squeeze out.

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EXPECT AREA OF STEADY PRECIP TO WORK ACROSS AS COLD FRONT MOVES

THROUGH TONIGHT. QPF FORECAST SUGGESTS ABOUT 1/4 TO 1/2 INCH FOR

JUST ABOUT THE ENTIRE REGION. WITH FAST UPPER FLOW AS UPPER LEVEL

TROUGH STARTS TO DIG OVER THE GREAT LAKES...EXPECT BACK EDGE OF

PRECIP TO WORK INTO WESTERN AREAS AFTER 06Z. TEMPS WILL DROP OFF

THERE AS WELL...SO MAY ACTUALLY SEE CHANGE OVER TO LIGHT SNOW

SHOWERS BEFORE ENDING. HOWEVER...EXPECT LITTLE IF ANY ACCUMULATION

AND...IF THERE IS...IT WILL OCCUR ACROSS THE HIGHER TERRAIN OF THE

MONADNOCKS AND E SLOPES OF THE BERKSHIRES. OVERNIGHT LOWS WILL

RANGE FROM THE MID 20S TO LOWER 30S ACROSS THE HIGHER TERRAIN OF SW

NH AND W MA TO AROUND 40 DEGREES ACROSS THE COASTAL PLAIN.

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Probably ends as flakes like Will said, that clipper is interesting though. Total totals nearing 50 in some spots. Have to see how strong that really is.

Lot of low level convergence in that...a pretty decent norlun look to it with the intense cold pool aloft with some instability because of the relatively milder low levels. The type of snow that starts as 31-33F paste and then by the last couple hours its 24F and powder....we'll see if it pans out for anyone.

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Front just blast through here. Wild winds! It flipped from SW to NW in about a minute and you could feel the sudden gust of cold air as it crashed through. Temps have dropped over 10° in just over 10 minutes! Was 59.7 at 10:47, it 48.6 at 10:59 and still crashing. Rain just beginning. Could turn to some snowflakes later on.

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