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February the climo snow month


Ginx snewx
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7 minutes ago, Ginx snewx said:

Some changes afoot at 6 Z. GFS ICON bringing snow 9th 10th. Euro is a big miss at 0Z.

Maybe the euro originally sniffed this out but then walked away to see if others could find it themselves. It did trend se with feb1-3 around this lead time as well before trending all the back. Banking on the icon/gfs isn’t exactly ideal lol but we’ve seen stranger things happen. 

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14 minutes ago, RUNNAWAYICEBERG said:

Maybe the euro originally sniffed this out but then walked away to see if others could find it themselves. It did trend se with feb1-3 around this lead time as well before trending all the back. Banking on the icon/gfs isn’t exactly ideal lol but we’ve seen stranger things happen. 

Interesting GEFS. We watch

gfs-ememb_lowlocs_us_16.png

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11 minutes ago, wdrag said:

 

Thursday Feb 4: 614AM topic update. Have dropped the wind event (45MPH+) and wind chill (-15 Poconos) and narrowed the date range. As many are witnessing, the modeling has been uncertain but always the ensembles have suggested a little bit of snow Sunday. Individual model operational cycles have tended to be nil (exception EC and V16 robust early on) until the 06z/4 GFS V15 and 16.  The 06z GEFS has developed an 850MB LO just south of LI and increased qpf dramatically. (graphic added). Noting also other 00z/4 ensemble MINOR increases in QPF and NAEFS indications of rapidly developing low pressure as it passes southeast of our subforum Sunday night. Until the ensembles nix the event, am continuing the snow threat. The 00z/4 MEX MOS was only 14% chance of qpf Sunday, so it's difficult to be sure about an event Sunday.  Ensembles suggestion and recent GFS northward trend (uncertain) in my mind require consideration of a general 1-4" snow event Sunday (may be melting on pavement on LI with marginal near freezing temps during any snow). I've kept the 9" max in there, just in case the coastal comes closer but 9" is highly unlikely. We do know it's going to be a vigorous event but its northwest proximity to our area is in doubt. Gusty north-northwest winds may follow Sunday night and it could be quite a bit colder Monday morning (near 14 NYC?) than statistical guidance suggests.   No thread on the 9th-10th, if ever) until Super Bowl Sunday is better resolved. 

Added 06z GEFS 24 hr qpf, as well as a number of plumes for LGA , qpf, snow, 2m temps and 850 temp)

Screen Shot 2021-02-04 at 6.03.17 AM.png

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Screen Shot 2021-02-04 at 4.45.48 AM.png

Screen Shot 2021-02-04 at 4.46.23 AM.png

Screen Shot 2021-02-04 at 4.46.47 AM.png

 

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10 minutes ago, CoastalWx said:

EPS looks like the GFS op. I dunno...this will need work.

Need a clear positive trend at 12z I think. We’re getting a bit short on time but can still bring it back if we trend it more right away. 06z NAM was closer too...brought a little light snow to far southeast areas on Sunday. 

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8 minutes ago, ORH_wxman said:

Need a clear positive trend at 12z I think. We’re getting a bit short on time but can still bring it back if we trend it more right away. 06z NAM was closer too...brought a little light snow to far southeast areas on Sunday. 

6z Euro op about to make a big change.

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