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February 3-4 significant icing event for the interior, some sleet/snow possible. Coast mostly rain.


NJwx85
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I mean the setup didn’t really change a ton on that run.  The NAM simply donked off all the precip back to PIT/ROC it had from 72-84 the previous run.  The thermals post 12Z Friday weren’t tremendously milder so ultimately if the QPF swing isn’t real the threat is still very much the same for now 

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1 minute ago, SnowGoose69 said:

I mean the setup didn’t really change a ton on that run.  The NAM simply donked off all the precip back to PIT/ROC it had from 72-84 the previous run.  The thermals post 12Z Friday weren’t tremendously milder so ultimately if the QPF swing isn’t real the threat is still very much the same for now 

I love how one run of the long range NAM somehow tops the rest of the guidance.

You would think everyone on here was either born yesterday or has a very short memory.

The NAM is erratic and unreliable until inside of 36hrs and even then it's susceptible to major run to run shifts. 

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3 minutes ago, NJwx85 said:

I love how one run of the long range NAM somehow tops the rest of the guidance.

You would think everyone on here was either born yesterday or has a very short memory.

The NAM is erratic and unreliable until inside of 36hrs and even then it's susceptible to major run to run shifts. 

Who said it topped other guidance? Under 48 hrs so not crazy long range.  Yes one model but we are discussing model runs here right!?!?

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1 minute ago, Brian5671 said:

Who said it topped other guidance? Under 48 hrs so not crazy long range.  Yes one model but we are discussing model runs here right!?!?

The model gets a lot more attention than it deserves. It has scored a few points in recent years but overall it's terribly unreliable. The next run could give us 10" of snow. That's how wild it is.

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10 minutes ago, NJwx85 said:

Enough for the entire Hudson Valley to be under an ice storm warning.

zr_acc.us_ne.png

That seems like a plausible outcome.  If you are 50+ miles north or west of NYC, it's def time to pay attention.  Down here in the city, a glaze can cause headaches, but 1/2" of ice can cause real problems up by you all.

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3 minutes ago, NJwx85 said:

Similar to what?

The NAM is currently the slowest of all the guidance to bring the cold air in at the surface and is weakest.

With ice accumulations for the tri-state and into SE upstate NY. Granted the FV3 is more bullish otherwise.

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1 minute ago, USCG RS said:

With ice accumulations for the tri-state and into SE upstate NY. Granted the FV3 is more bullish otherwise.

The threat area really hasn't changed in several days. Truly amazing how locked in most of the guidance has been.

12z GFS is running. First big model of the day.

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