Yea I see that on the surface map. The one thing that gives me pause and makes me wonder if models are just placing the low under the deepest convection is the mid level tracks. The H85, h7 and h5 low don't redevelop to the east and get vertically stacked under that low pressure. They remain steady with the initial parent low.
Right now I would say rochester area has best shot at 15"+ as they get the northerly to northeasterly flow off Ontario to enhance snowfall. This is assuming no other adjustments are made in tracks
I would start paying more attention to mesos starting tomorrow night and def sunday. They are going to be the best to pick up those sneaky warm layers that globals will not. Don't under estimate the power of that LLJ screaming off the atlantic into the system. That will transport warm air inland aloft. Maybe not enough for some to avoid IP but enough to lower snow ratios. That LLJ hose is also what creates your big deform band too
No, but that jet is enough to bring warmer air well inland into the mid levels. It’s the nam though. Once mesos get inside 24hrs you take them seriously
I hate using the NAM, it may be overcooked. But any time you have a 64+knot southeast LLJ ripping your way, you will not have good snow ratios and def watch for warm layers. Thats a straight firehose off the atl
Unless this goes over bgm, any mixing if it does in syr would be brief. It doesn't though change the fact there will be some warm tongues aloft that won't be well aligned with good dendritic snow growth. Now if we get a ukmet type track different story.
Makes sense, upper levels don't support good snow growth with warm tongues in the 850-700mb zone. But there will probably be some decent rates with the start of waa band