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NYC Banter and BS Thread Part IV


TheTrials

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did a 20 second loop look at the 00z gfs and it looks good. Mean trough in the east, ridge out west and a NAO that is trying.

There are hints of an Iceland block trying to form at points later in the period but nothing sustained ever really gets going. My guess is the ensembles are picking up on that Iceland block, its better than nothing but it generally does not help us much. The GFS is likely much too cold on its 00Z run given the +NAO and relatively progressiveness to the pattern, also the Euro is significantly warmer and has the cold air masses more in southern Canada. The GFS shows a very December 1988 pattern as was alluded to by one of the other Mets in the main thread section 3-4 days ago. That month the massive ridge in the GOA resulted in a slightly below normal December with a few snow chances (though none other than the LI norlun event really panned out) despite the +AO and +NAO.

134.178.63.3.328.0.44.20.png

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As per soundings on Accuweather, that is 3-6 inches of snow in Northern NJ with .28 definitely having fallen as all snow between 144 and 150 hrs at KMMU and probably the majority of the .48 that fell before that between 138 hrs and 144 hrs. It has -1.4 at 850 at both 144 and 150 hrs and surface at +1.6 at 144 hrs and +1.1 at 150 hrs. At 138 hrs it had +4.4 at 850 and +4.5 at the surface, so apparently that wave really pulls the cold air in quick as the storm moves by and that wave develops and as soon as that precip starts to fall it looks to me that it will quickly change to snow after 138 hrs and before 144 hrs, so to me it looks like the majority of that .76 falls as snow, or at least 75% of it, which would mean a 3-6 inch snow for Northern New Jersey. Of course this is 6 days out so all of this is just for entertainment purposes but it is interesting. Also, it shows 2.55 inches total for this storm at KMMU. Oh how little changes in path with this storm could produce a monster snow. Not likely at all, but definitely interesting to watch. This storm has looked bizarre from day one and the GFS is amazingly clueless with it at the moment. I would still say that anything is possible from this storm with the most likely scenario obviously being all rain but the very outside chance of an incredible snow event. Keep in mind also how warm the Euro was with both this last storm and the October 29th storm for our area. It was about 1.5 Celsius too warm with both storms at the surface.

Euro still brings a light snowfall at ~150 hours per wundeground maps on a wave along a cold front.

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1322241776[/url]' post='1142365']

The GFS looks like a sloppy mess I can't tell what the hell is going on. Trough, ridge, zonal, gradient pattern, back to ridge, cold alaska, warm Alaska, dogs and cats sleeping together, mass hysteria.

Ggem also has the light snowfall event at day 8, just like GFS.

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1322242740[/url]' post='1142403']

At this time I do not buy it. This pattern is does not produce snow for the I-95.

Does not support a big snowstorm. But dink and dunk events are possible in these transient patterns.

93-94 was like that. Close to 20 small events with a couple bigger events mixed in.

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