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The Interior/NW Suburbs Winter Thread


Guest Patrick

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Guest Patrick

i dont know if envy is the right word...here in the nw burbs we REALLY need to watch that tight gradient. could be in for a snow job. pun intended.

I think there are a lot of people with QPF envy as they look at the potential to our northeast...

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i dont know if envy is the right word...here in the nw burbs we REALLY need to watch that tight gradient. could be in for a snow job. pun intended.

 

I don't think this storm is gonna have a tight gradient like what we saw back in 09-10. If anything the gradient may form from the R/S line rather than actual precip.

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Every single county in NYS is under a WSW.. Don't see that too often

Thats pretty cool. 12z GFS had KSWF with 8.9 of snow. The 18z has bumped up to 13.1. Close to Uptons snow map that is at 14.5.

http://www.erh.noaa.gov/okx/stormtotalprecip.php

18z GFS for KHPN is 29.4

http://www.meteor.iastate.edu/~ckarsten/cobb/cobb.php?model=gfsm&site=khpn

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As it looks right now precip amounts whether its snow or rain look to rise sharply from SW to NE. I can see areas of Warren County NJ receiving 4-6" while areas in eastern Orange County receiving upwards of 18".. Should be cool to watch unfold. Lets not forget how there is ALWAYS a secondary max of snow fall in these parts most likely due to orographic lift, ratios, banding etc..

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It ill be interesting to see how far west the heavy snowfall line reaches.  In the Dec 30, 2000 storm Vernon  and Highland Lakes received 24-30 inches of snow and western Sussex County closer to the Delaware River received only about a foot.   The snowfall rates in that storm were 3-4 inches an hour for a few hours it was unbelievable. I hope we receive something similar but I know  it will probably less but i am still hoping for 12+.  I am going to have to decide tomorrow night if I ride the storm out in Hardyston, Sussex County or in Whitestone, Queens.

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Good evening folks,

 

It looks as if my backyard is on the fence with snow it terms of what to expect for this storm depending your model of choice.

NAM also indicates we may get a period of rain on Friday at some point too.

Keeping my fingers crossed for a decent dump.

Expectations are low for anything higher than 6 inches currently.

Hopefully the GFS provides some good wood when it runs soon.

I was hoping the NAM would be a little better honestly.

 

Cheers,

 

Darkstar

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Guest Patrick

But it's been so consistent.... idk.  6-8 is a reasonable call IMHO.  I think you and I are too far west to cash in on the jackpot...but would be nice to see some double digits just to our NE.

At this point have to believe euro qpf is overdone. I like Mt Holly snow maps which are basically 6-8 and then double digits as you get to ny border

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Guest Patrick

The doubling (or more) of the amounts is likely....but the sharp cutoff that has sharpened even more( on the NAM) as you get to eastern PA is a little close for comfort.  You will probably be fine.. Sussex/Warren may still cash in because of the longer duration frozen...you may even be in the NJ sweet spot...close enough for good ratios and high qpf.

Don't kid yourself, assuming the 12z Euro holds serve or improves I think you will see those amounts doubled in a lot of spots.

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12z NAM text output

 

MGJ -- 2.56" All Snow 

SWF -- 2.79" All Snow

FWN -- 2.22" All Snow

DXR -- 2.93" All Snow

Thats bout 24-36 with a ratio of 12:1 usally, the NAM's QPF output could be cut down. Even cut in half, not bad.

12z NAM spits 39.0" for KSWF

http://www.meteor.iastate.edu/~ckarsten/cobb/cobb.php?model=nam&site=kswf

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Thats bout 24-36 with a ratio of 12:1 usally, the NAM's QPF output could be cut down. Even cut in half, not bad.

12z NAM spits 39.0" for KSWF

http://www.meteor.iastate.edu/~ckarsten/cobb/cobb.php?model=nam&site=kswf

 

Those amounts are most likely overdone BUT even if you cut those in half you still end up with 12-18" which is probably the most likely outcome. 

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Those amounts are most likely overdone BUT even if you cut those in half you still end up with 12-18" which is probably the most likely outcome. 

I agree that its likely over done but did you also see how the temps take a nose dive on the NAM?  That would drive up ratios for sure for later in the storm.

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