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Big Snow threat, what will it do, part II


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It looks to me like it lasts until noon time here and evening for you on Fri. 

 

Give or take a few hours either side

Kevin, the guidance is ending this sooner and sooner. I think the X factor is whether or not the overrunning produces or gets shunted too far north which happens a lot.

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It looks to me like it lasts until noon time here and evening for you on Fri. 

 

Give or take a few hours either side

 

 

Its out by 18z Friday for BOS even on just about all guidance. Still a long event, but I can see this starting to compress more into an 18-20 hour event versus a 30 hour event...it usually does. 18-20 hours is still quite a long event...and it might still go 24 hours yet, but often you see a bit of "squeezing" on the models as you get near verification time as it might ramp up intensity in a 6 hour period at the expense of duration.

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Thinking Friday may be a snowday for many. Thursday probably not.

 

 

Thursday could be or at a minimum early release because it will pick up throughout the day...

Early release makes no sense IMO. Overrunning snow will be early 2am on...so I think they should either make the call and cancel school or have school.

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Kevin, the guidance is ending this sooner and sooner. I think the X factor is whether or not the overrunning produces or gets shunted too far north which happens a lot.

Maybe some guidance is ..but some lingers it..almost extends an arm back to the west..esp if these amplified solutions come back here over the last 24 hours to go time

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Its out by 18z Friday for BOS even on just about all guidance. Still a long event, but I can see this starting to compress more into an 18-20 hour event versus a 30 hour event...it usually does. 18-20 hours is still quite a long event...and it might still go 24 hours yet, but often you see a bit of "squeezing" on the models as you get near verification time as it might ramp up intensity in a 6 hour period at the expense of duration.

I would take a ramp up in intensity at the expense of duration...

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I think many west of ORH have great potential to be disappointed.

Maybe a Plymouth County jackpot with this one.

 

 

It depends on what their expectations are. Disappointment is a function of expectation. I think everyone gets at least advisory stuff and I think even W MA should get warning snows provided we don't see something weird like a late blooming closer low that "robs" some of the moisture.

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No worries, TWC says it'll be a blizzard.  I bet they're looking at the weird RPM run.

map_specnewsdct-31_ltst_4namus_enus_320x

 

"And with the coastal low whipping up the wind, we could be talking about blowing and drifting snow and poor visibility, particularly across New England, but possibly for areas farther west into New York state as well."  (TWC, not me)

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Thats the official abbrev?

Well I don't know that there's an official abbreviation since NWS is moving away from abbreviations in AFDs and such and spell out watch versus warning. I pulled the abbreviations from the watch/warning/advisory VTEC code where a lot of those abbreviations are used. See http://www.nws.noaa.gov/os/vtec/pdfs/VTEC_explanation6.pdf

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No worries, TWC says it'll be a blizzard.  I bet they're looking at the weird RPM run.

map_specnewsdct-31_ltst_4namus_enus_320x

 

"And with the coastal low whipping up the wind, we could be talking about blowing and drifting snow and poor visibility, particularly across New England, but possibly for areas farther west into New York state as well."  (TWC, not me)

I don't know.  that rpm map should the heavier snowfall in a different area.

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Well I don't know that there's an official abbreviation since NWS is moving away from abbreviations in AFDs and such and spell out watch versus warning. I pulled the abbreviations from the watch/warning/advisory VTEC code where a lot of those abbreviations are used. See http://www.nws.noaa.gov/os/vtec/pdfs/VTEC_explanation6.pdf

Yea. I usually refer to watches as wsw and warnings as WSW lol.

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