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10/29 Snowloween -- Thread 1


phlwx

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Whoops about the hotlink!

Seems like the general theme of the 0z suite was to slow down the storm , so that by the time it arrived along the " cold" airmass ushered in behind the fropa, it has already modified, hence the rain. That, and the track clOser to the coast.

My only synopsis of this storm is that it will an elevation snow for the Poconos with an occasional wet flakes and sleet for the Lehigh Valley. There is just not enough dry cold air in place to assure the entire column of air will be cooled for frozen precip

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post-105-0-13045900-1319366100.gif

GFS with a big shift in timing (Thursday night/Friday...sorta in line with earlier Euro runs). The Euro has two systems (Thursday night/Friday) and a second wave coming up the coast on Saturday as low pressure develops east of Charleston.

It's a chilly rain in both scenarios here but GFS suggests it might snow in the mountains.

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post-105-0-13045900-1319366100.gif

GFS with a big shift in timing (Thursday night/Friday...sorta in line with earlier Euro runs). The Euro has two systems (Thursday night/Friday) and a second wave coming up the coast on Saturday as low pressure develops east of Charleston.

It's a chilly rain in both scenarios here but GFS suggests it might snow in the mountains.

At least today whether the outcome is right or wrong it capitulated to the ECMWF. Given it was hanging back energy more than the ECMWF, that forecast difference scenario had dubious chances of surviving.

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post-105-0-86781300-1319445747.jpg

If you haven't checked out the wundermap at wunderground you should -- the EC is in three hour...pretty sick stuff.

The EC and GFS are showing a 1-2 setup for Wednesday night into Thursday (round 1) and Saturday (round 2). This is Saturday at 18z...the EC, verbatim, has 2m temps in the 30's/low 40's for the region. If you're a fan of cold rain, Saturday may be your day. :lol:

post-105-0-76764500-1319445878.jpg

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Mount Holly getting more interested in Saturday.

UNCERTAINTY SATURDAY. AMPLITUDE OF THE NEXT SHORT WAVE

MOVING ACROSS THE NORTHERN TIER COULD TURN A DRY FCST INTO A WET

OR WHITE RESULT FOR PARTS OF OUR AREA. A COLDER AIRMASS WILL BE IN

PLACE AND SOME OF THE MODELS ARE SUGGESTING ANOTHER LOW DEVELOPING OFF

NC MOVING NEWD. 00Z/24 GEFS DOESNT HAVE MUCH SIGN OF THE LOW THO

THE POPS DO RISE A BIT ON SAT. THE 00Z/24 ECMWF ENSEMBLES HAVE

IT! BELOW AVG CONFIDENCE IN A DRY FCST PREVAILING FOR SATURDAY.

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post-105-0-86781300-1319445747.jpg

If you haven't checked out the wundermap at wunderground you should -- the EC is in three hour...pretty sick stuff.

The EC and GFS are showing a 1-2 setup for Wednesday night into Thursday (round 1) and Saturday (round 2). This is Saturday at 18z...the EC, verbatim, has 2m temps in the 30's/low 40's for the region. If you're a fan of cold rain, Saturday may be your day. :lol:

post-105-0-76764500-1319445878.jpg

wave 2 may support some mixing of snow in the higher elevations by paul and up in the lehigh valley

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wave 2 may support some mixing of snow in the higher elevations by paul and up in the lehigh valley

Don't disagree. intensity and elevation driven, of course.

(definitely better chance in Poconos if the system amplifies a touch more).

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Yea, best shot would probably be as the storm is pulling away. thicknesses are a little high at first.

I could have just pulled up the snow parameter on the Euro on wunderground.

of course, this is just purely based off of the surface parameters of temps in 30's...but yeah, elevations could get some white out of this.

Take with huge grain of salt, of course.

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I could have just pulled up the snow parameter on the Euro on wunderground.

of course, this is just purely based off of the surface parameters of temps in 30's...but yeah, elevations could get some white out of this.

Take with huge grain of salt, of course.

Alot of focus on the upcoming storm threat .....but how do temps look next week? Do the suburbs get below 32?

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post-105-0-86781300-1319445747.jpg

If you haven't checked out the wundermap at wunderground you should -- the EC is in three hour...pretty sick stuff.

The EC and GFS are showing a 1-2 setup for Wednesday night into Thursday (round 1) and Saturday (round 2). This is Saturday at 18z...the EC, verbatim, has 2m temps in the 30's/low 40's for the region. If you're a fan of cold rain, Saturday may be your day. :lol:

post-105-0-76764500-1319445878.jpg

When do these maps become available?

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Too bad Rina can't bullet north in time for Saturday. That would be interesting dynamics.

Some of the moisture may very well get pulled in. That trough that's diving in is pretty good...it might suck a piece of that storm north. I don't think Rina survives any trek north, especially as it blows up in the Carib...it being stronger could make it more susceptible to getting pulled north and northeast (which would put it into a very unfavorable environment).

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