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Potential of Widespread Snow/ Mixed Precipitation 2/25


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Don't these secondary coastal lows usually take more moisture from the primary than models suggest though? That seems like what KBUF discussion has been suggesting the last few days kind of downplaying what models are showing.

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48 minutes ago, Leelee said:

Don't these secondary coastal lows usually take more moisture from the primary than models suggest though? That seems like what KBUF discussion has been suggesting the last few days kind of downplaying what models are showing.

Yeah that can be an issue too with these handoffs. Plenty can go wrong for sure... primary too far north (mixing, dry slot)... or secondary forms and pulls the precip and energy toward the coast while robbing areas in between.

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23 minutes ago, Leelee said:

Don't these secondary coastal lows usually take more moisture from the primary than models suggest though? That seems like what KBUF discussion has been suggesting the last few days kind of downplaying what models are showing.

Depends on the transfer. If the primary holds on longer then no. Not surprisingly the models are struggling with this.

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Overall will have snow amounts through Friday within the advisory
range for this system. Sleet and any freezing rain to the south will
hold snow amounts down across the Southern Tier. These type of
system`s also have a tendency have a shorter period of snowfall as a
secondary surface low forms off the coastline and associated lift
with the primary low diminishes. The position of the surface low
close by us within a progressive flow aloft does not lend to any
large snow accumulations from the deformation band. Highest snow
totals may end up east of Lake Ontario where a greater SWE will
occur with the high to the north maintaining a cold lower layer,
and also along the southern Lake Ontario shoreline where lake
enhancement may add a few extra inches of snow to bring the greatest
snow totals for our region.

 

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