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2/13 Significant/Major Winter Storm Discussion & Observations


Northof78
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Interestingly enough (and we may have to go back into our memories for this one), this storm is behaving somewhat opposite of the 3/8-3/9? (might not be exact date) storm in 2019. The first signs of that one coming far north and mixing significantly in NYC and the surrounding areas was the storminess in the south the day of and day prior to the event. The latent heat released by the severe outbreak pushed the storm further north, similar to what we see with tropical cyclone steering (moving towards the warmest waters if at all possible.) The severe storm outbreak today didn't appear to materialize, and if that trend continues through tomorrow, that could definitely be a result of a more positively tilted trough. 

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2 hours ago, jm1220 said:

The “sniff the rain” zone wherever that ends up will likely be a good place to be. This is an energetic system with a lot of moisture to work with. 

Bingo. 

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I'm not sure if once again in this storm models beyond today viewed that piece of energy dropping through MI/WI as in some way leading to more NRN stream phasing or interaction downstream, but in reality it ended up probably acting more as a kicking mechanism or maybe increasing the confluent impact.

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Just now, SnowGoose69 said:

I'm not sure if once again in this storm models beyond today viewed that piece of energy dropping through MI/WI as in some way leading to more NRN stream phasing or interaction downstream, but in reality it ended up probably acting more as a kicking mechanism or maybe increasing the confluent impact.

The models missed the intensity of the vort down south . It's weaker than previous modeled.

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1 hour ago, psv88 said:

Not true here. The snowfall rates are progged at 2-3” per hour. Snow will immediately stick to the roads outside of manhattan 

I've seen it happen, in midday in March 2003 IIRC....starting puking snow around 10 am ; nearly stranded me on the GSP.

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3 minutes ago, NEG NAO said:

those clown maps are misleading - in central NJ as of 10 P.M. - MT. Holly is going with little or no snow accumulation

ZFP from KPHI (cod.edu)

Its a computerized output. Its by definition not misleading. Just because it doesnt match up with what the meteorologists have put out doesnt make it anything besides potentially correct or incorrect. 

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Just now, weatherpruf said:

I've seen it happen, in midday in March 2003 IIRC....starting puking snow around 10 am ; nearly stranded me on the GSP.

The sun angle on 2/13 is not really a huge issue yet.  It becomes more a problem early March...15-20 days does not seem like much but it really matters...much like its so easy to see an accumulating snow event on 12/5 but very hard to do it on 11/15.   Not for same reasons but same idea how 2-3 weeks things change a ton

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2 minutes ago, weatherpruf said:

I've seen it happen, in midday in March 2003 IIRC....starting puking snow around 10 am ; nearly stranded me on the GSP.

because of visibility or road conditions or both ?

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5 minutes ago, weatherpruf said:

I've seen it happen, in midday in March 2003 IIRC....starting puking snow around 10 am ; nearly stranded me on the GSP.

Forget March 2003, April 2003 was even better! And of course April 2018 too.  We got 6-8 inches of snow in April 2003 and about 6 inches of snow in April 2018.

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