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Long duration overrunning to coastal disco 02/07-02/09


Damage In Tolland

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Well it does, but this arctic dome is not very deep so it's not like rates are through the roof. But, get a coastal going where all the processes used to generate precip are enhanced, and you get greater QPF.

So was he saying that there is "accelerating" upside should the coastal come in stronger? Or just commenting on why the models are spitting out >1" qpf without great dynamics?
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As mentioned in the BOX AFD

 

CLUSTERING OF FORECAST SOLUTIONS IS FOCUSED ALONG THE NW-SE FRONT
MAINLY N OF THE MASS-TURNPIKE. COULD THIS WOBBLE FURTHER N? QUITE
POSSIBLE. SOMEWHAT DEPENDENT ON THE STRENGTH / POSITION OF HIGH
OVER QUEBEC. SOLUTIONS OVER THE PAST 12-HOURS HAVE WOBBLED IN BOTH
THE N AND S DIRECTION WITH THE NW-SE AXIS OF GREATEST FORCING /
ADVISORY-LEVEL SNOWS. LIKELY TO BE WOBBLES WITH LATER FORECAST
GUIDANCE. A
LL-IN-ALL...ADVISORY-LEVEL SNOWS APPEAR LIKELY FOR THE
PERIOD MAINLY TO THE N OF THE MA-PIKE FOR THE SATURDAY NIGHT INTO
SUNDAY MORNING TIME-FRAME.

 

Like we have seen lately, the band of advisory snows or "best area" could shift another 25 miles in either direction and this would have an effect on Sat Nite-Sunday am's "stuff" up to at least 128 belt on another N drift w overrunning.  With as few as 25 miles being the difference between maybe 1.5" and 4" inches for some this could come down to a bit of a now cast for areas that aren't even on periphery of higher modeled QPF from overrunning.

 

So I think that while model trends were good for the Pike to SNH area (in general) on a WNW-ESE heading this is not "locked yet" and as far as the coastal enhanced stuff on Sun night to Monday Night we are definitely not locking in warning levels YET, even thou it looks good we are not much of a north shift away from seeing accums cut for much of the area. I'm sure this reality will be met with ...."venom" lol.

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As mentioned in the BOX AFD

 

CLUSTERING OF FORECAST SOLUTIONS IS FOCUSED ALONG THE NW-SE FRONT

MAINLY N OF THE MASS-TURNPIKE. COULD THIS WOBBLE FURTHER N? QUITE

POSSIBLE. SOMEWHAT DEPENDENT ON THE STRENGTH / POSITION OF HIGH

OVER QUEBEC. SOLUTIONS OVER THE PAST 12-HOURS HAVE WOBBLED IN BOTH

THE N AND S DIRECTION WITH THE NW-SE AXIS OF GREATEST FORCING /

ADVISORY-LEVEL SNOWS. LIKELY TO BE WOBBLES WITH LATER FORECAST

GUIDANCE. ALL-IN-ALL...ADVISORY-LEVEL SNOWS APPEAR LIKELY FOR THE

PERIOD MAINLY TO THE N OF THE MA-PIKE FOR THE SATURDAY NIGHT INTO

SUNDAY MORNING TIME-FRAME.

 

Like we have seen lately, the band of advisory snows or "best area" could shift another 25 miles in either direction and this would have an effect on Sat Nite-Sunday am's "stuff" up to at least 128 belt on another N drift w overrunning.  With as few as 25 miles being the difference between maybe 1.5" and 4" inches for some this could come down to a bit of a now cast for areas that aren't even on periphery of higher modeled QPF from overrunning.

 

So I think that while model trends were good for the Pike to SNH area (in general) on a WNW-ESE heading this is not "locked yet" and as far as the coastal enhanced stuff on Sun night to Monday Night we are definitely not locking in warning levels YET, even thou it looks great.

Harvey seems to think that in his experience with these types of setups the colder air will be more south than modeled.

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So was he saying that there is "accelerating" upside should the coastal come in stronger? Or just commenting on why the models are spitting out >1" qpf without great dynamics?

 

He is saying that the steep frontal slope may cause enhanced bands that aren't well modeled. Sometimes that can happen, but the weaker dynamics this go around sort of preclude that IMO. That's not to say there won't be a few weenie bands.

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He is saying that the steep frontal slope may cause enhanced bands that aren't well modeled. Sometimes that can happen, but the weaker dynamics this go around sort of preclude that IMO. That's not to say there won't be a few weenie bands.

Will scolded me this morning, but I still think there's some mesoscale nuances here with a bit of easterly upslope not unlike the firehose storm
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