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Upstate/Eastern New York


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Forecast uncertainty increases by Wednesday. The GFS has been
very persistent over the past few days in bringing a notable
clipper system across the Great Lakes, with a shield of
accumulating snow crossing our region. The ECMWF has been
equally persistent in keeping this feature much weaker and
suppressed, with no more than a few light snow showers in our
area. The Canadian GEM continues to be a compromise solution
with a light snowfall across the region. Given the continued
model uncertainty, will keep POPS in the chance range for now.
If this snow does materialize, it will end later Wednesday night
as the system moves to the eastern seaboard.

 

A strengthening area of low pressure will track from the western
Ohio Valley and cross the Central Great Lakes Friday night into
Saturday afternoon. With this system precipitation will overspread
the area, initially as snow then changing to rain as warm air
advection increases ahead of an accompanying cold front. Winds
behind this area of low pressure will increase and wind headlines
may be needed for Sunday. Behind this area of low pressure a large
trough will persist through this time period with the potential for
snow showers across the area and lake effect snow off of both lakes,
especially the more ice free Lake Ontario, where a multi lake
connection looks possible.
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Water level at Toledo continues to drop now more than 2 feet below LWD and Buffalo continues to bounce around the 100” mark.
062e072b9b7ef48b3b249c6912a03d34.jpg
669d01d24021627b29dfa9560f98ab1b.jpg
Flash Flood Warning now for a large Ice Jam setting up in the Niagara River near the power plant. Sections of the boom were seen floating down the river...
fe710ae2ea70db5dacce5b50f5cdd337.jpg
Surge has really pushed up the water level in the Buffalo River and is very close to flooding into portions of the first ward and river works park area.


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17 minutes ago, wolfie09 said:

Forecast uncertainty increases by Wednesday. The GFS has been
very persistent over the past few days in bringing a notable
clipper system across the Great Lakes, with a shield of
accumulating snow crossing our region. The ECMWF has been
equally persistent in keeping this feature much weaker and
suppressed, with no more than a few light snow showers in our
area. The Canadian GEM continues to be a compromise solution
with a light snowfall across the region. Given the continued
model uncertainty, will keep POPS in the chance range for now.
If this snow does materialize, it will end later Wednesday night
as the system moves to the eastern seaboard.

 


A strengthening area of low pressure will track from the western
Ohio Valley across northern Pennsylvania and cross the Central Great Lakes Friday night into
Saturday afternoon. With this system precipitation snow will overspread
the area, initially as snow then changing to rain as warm air
advection increases ahead of an accompanying cold front with the potential for significant accumulations across the entire American Weather Forum, Upstate NY region. Winds
behind this area of low pressure will increase and wind headlines
may be needed for Sunday. Behind this area of low pressure a large
trough will persist through this time period with the potential for
snow showers across the area and lake effect snow off of both lakes,
especially the more ice free Lake Ontario, where a multi lake
connection looks possible.  After months of frustration, TugHill Matt will end his season with a bang, setting a record for a March lake effect event.  

Fixed.  

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17 minutes ago, DeltaT13 said:

Shows over in regards to the damaging wind potential.  One disappointed wind enthusiast here.   Still will be a nice long night of roaring gusts though

I'm back to tracking nuisance snow events that turn into rain again!

Why's the show over? Strongest winds aloft passed by? 

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Just now, vortmax said:

Why's the show over? Strongest winds aloft passed by? 

i think the only way you get 75mph gusts around here from a storm like this is through diurnal mixing.  We needed that frontal passage to happen at 9am and then some clearing around noon with breaks of sun.  It will still be awesomely windy overnight, but the loss of daylight and also the loss of Lake Erie funneling as winds veer means that the highest risk portion of the event is probably passed.  

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2 minutes ago, BuffaloWeather said:

The ice boom broke. When is the last time that has happened? An entire lake full of ice is heading upstream.

Get some pics tomorrow if you can.  Theres going to be crazy ice formations all over.  Wonder how big a jam will form further downstream...

 

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8 minutes ago, BuffaloWeather said:

The ice boom broke. When is the last time that has happened? An entire lake full of ice is heading upstream.

Right now there has only been one of the pontoons spotted down stream.  It’s not uncommon for 1 or 2 to come loose during an ice seiche.  Won’t know the full damage done till tomorrow when the water level recedes and the boom cones back to the surface. 

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Just now, SouthBuffaloSteve said:

Right now there has only been one of the pontoons spotted down stream.  It’s not uncommon for 1 or 2 to come loose during an ice seiche.  Won’t know the full damage done till tomorrow when the water level recedes and the boom cones back to the surface. 

This article says 7 were seen near grand island, and holy smokes is that a lot of ice! I would have to assume the whole thing failed fairly catastrophically.  

https://www.wgrz.com/article/news/local/ice-boom-in-lake-erie-breaks-due-to-winds/71-4962175a-d5b1-4e8c-bfc0-65db04a7544c

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15 minutes ago, SouthBuffaloSteve said:

Right now there has only been one of the pontoons spotted down stream.  It’s not uncommon for 1 or 2 to come loose during an ice seiche.  Won’t know the full damage done till tomorrow when the water level recedes and the boom cones back to the surface. 

The whole thing broke off according to the news 

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I’m sure if I was out chasing I would have been more impressed especially down by the lakeshore with all the crazy ice formations but driving from Buffalo through Cheektowaga, West Seneca, then into Hamburg I’ve seen very minimal damage. Winds were strong no doubt but to me this was a bust here when all models and the NWS had 4-6 hours of frequent gust above 70 mph and I’m not sure anywhere in WNY besides IAG even gusted over 70 let alone did it for hours straight. Think most gust were in the 60-65mph range which is still strong but the difference in damage from 60-65 to 75+ is quite large and I think we all relatively dodged a bullet wrt damage. 

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The whole thing broke off according to the news 


I’d be really surprised to see the whole thing gone tomorrow. It’s designed to sink under the water during a seiche and let the ice flow over. I guess maybe a whole section could have come lose but I think most of it will resurface. Here is a clip from the seiche last year. 2 or 3 individual pontoons came loose during that storm.




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