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January 10/11 Winter Storm Potential - May the Odds be Ever in our Favor


eyewall
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I can’t speak for everyone but I just find the whole situation hilarious for western NC. It’s painfully ironic that we’ve had as much rain and moisture as we’ve had these past few months and THIS system is going to be the one to buck the trend. There’s my whining for the day. Carry on. Congrats to Texas to Tenn for the 600+ time in 3 years.

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GSP.  As we all saw last night, less phasing less precip.  Still early for specifics. 
 

As of 250 am Wednesday: A cold and very dry air mass will remain in
place in association with arctic surface high pressure during the
first half of the short term. A short wave trough will then eject
from Texas Fri/Fri night, with the wave becoming increasingly
dampened and vorticity increasingly channeled as it progresses
across the Southeast. An attendant cyclone will track along the Gulf
Coast Friday before pushing off the South Carolina Coast early
Saturday. This track will allow frontogenetical forcing to wring out
precip across the western Carolinas and northeast Georgia by Friday
afternoon before tapering off Friday night, with categorical PoPs of
80-90% warranted across the entire forecast area during this time
frame. In terms of precip types and amounts...the overall trend in
the consensus of global and short term guidance is toward less
phasing of the southern and northern branches of the upper jet, and
toward a more suppressed/farther south/slightly weaker and colder
scenario for the Southeast.
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5 minutes ago, Upstate Tiger said:

GSP.  As we all saw last night, less phasing less precip.  Still early for specifics. 
 

As of 250 am Wednesday: A cold and very dry air mass will remain in
place in association with arctic surface high pressure during the
first half of the short term. A short wave trough will then eject
from Texas Fri/Fri night, with the wave becoming increasingly
dampened and vorticity increasingly channeled as it progresses
across the Southeast. An attendant cyclone will track along the Gulf
Coast Friday before pushing off the South Carolina Coast early
Saturday. This track will allow frontogenetical forcing to wring out
precip across the western Carolinas and northeast Georgia by Friday
afternoon before tapering off Friday night, with categorical PoPs of
80-90% warranted across the entire forecast area during this time
frame. In terms of precip types and amounts...the overall trend in
the consensus of global and short term guidance is toward less
phasing of the southern and northern branches of the upper jet, and
toward a more suppressed/farther south/slightly weaker and colder
scenario for the Southeast.

Yep, hopefully we can trend back the other way a bit. Perhaps the front end thump will over-perform if a stronger storm verifies, which i think is what the 6z GFS trended towards, rather than trying to rely on back end phasing (which also would mean more mixing)

Screenshot_2025-01-08-08-14-24-927.jpg

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