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January 19-20th Winter Storm Threat


Rjay

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11 minutes ago, White Gorilla said:

Is Ukie number 2 in verification scores? 

While I don’t believe this page has been updated recently, the UKMET is often too far south with lows from recent observations. 

https://www.wpc.ncep.noaa.gov/mdlbias/biastext.html#UK

  • The model tends to lower surface pressures too much and too far south and often implies synoptic-scale fronts too far south.
  • Often too low with heights along the southern ends of short wave trofs, resulting in a southward displaced storm track
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2 minutes ago, White Gorilla said:

Can the same be said about the Euro often being too amped?  Perhaps a compromise between the two will verify.  

I do believe it has that tendency to be too amped. Remember no one model is 100% accurate. Always a compromise is the way to go. Also it’s only Tuesday and I truely believe this system on Thursday/Fri needs to exit before any assumptions are made for the weekend storm.

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Just now, Ericjcrash said:

FWIW(not much unless it's Feb 2006) the JMA is less amped this run. 

Low is in a similar spot to the CMC and UKIE ( in Virginia) CMC then brought it northeast into CT while UKIE went almost due east.   No idea what the JMA does with it from there, but it definitely wouldn’t be into NY like the GFS.  Ok moving on from the JMA now lol

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1 minute ago, Sn0waddict said:

Low is in a similar spot to the CMC and UKIE ( in Virginia) CMC then brought it northeast into CT while UKIE went almost due east.   No idea what the JMA does with it from there, but it definitely wouldn’t be into NY like the GFS.  Ok moving on from the JMA now lol

Yeah as am I. Just had to note it.

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