Oconeexman
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- Jan 2, 2017
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At 27 now..clouds starting to filter in here!
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Wintry February 7-8 Winter storm
- Thread starter Six Mile Wx
- Start date
NorrisSCWx
Member
It’s 23° here, hoping it does not get above freezing before it gets here.
For central NC folks (including RDU), this could be another repeat of the last event; rain, mix, and maybe all snow where rates are high enough. But again, nothing significant. From RAH:
After a sunny start, mostly mid level clouds will thicken to overcast between 15-18Z, related to the omega noted above, then lower owing initially to precipitation falling out of that cloud layer and subsequently the arrival of the modest moistening via the swly llj between 21Z-03Z. There will likely be only a short, few hour window, where the mid level overcast and ice nucleation- supportive temperatures and RH overlap the moistening sub-cloud layer courtesy of the llj. As such, while there will be cold cloud precipitation production aloft --and snow-- it will sublimate in a deep, dry sub-cloud layer before reaching the ground over cntl NC this afternoon. However, some of that precipitation will likely begin to reach the surface over the srn and wrn Piedmont before sunset due to the top-down and advective moistening noted above; and associated diabatic cooling will favor a mix of rain and snow over the Piedmont for a short time this evening, before the mid level moist axis and cold cloud layer/precipitation production moves offshore. Given the quick-hitting nature of this system and that lift and precipitation production will be centered in the mid levels, liquid equivalent precipitation will be very light, with perhaps two or three hundredths at best. And with surface temperatures likely to diabatically cool generally into the 34-36 degree range over the Piedmont during that time, and with a warm ground from recent warmth, any snow flakes will melt on contact.
After a sunny start, mostly mid level clouds will thicken to overcast between 15-18Z, related to the omega noted above, then lower owing initially to precipitation falling out of that cloud layer and subsequently the arrival of the modest moistening via the swly llj between 21Z-03Z. There will likely be only a short, few hour window, where the mid level overcast and ice nucleation- supportive temperatures and RH overlap the moistening sub-cloud layer courtesy of the llj. As such, while there will be cold cloud precipitation production aloft --and snow-- it will sublimate in a deep, dry sub-cloud layer before reaching the ground over cntl NC this afternoon. However, some of that precipitation will likely begin to reach the surface over the srn and wrn Piedmont before sunset due to the top-down and advective moistening noted above; and associated diabatic cooling will favor a mix of rain and snow over the Piedmont for a short time this evening, before the mid level moist axis and cold cloud layer/precipitation production moves offshore. Given the quick-hitting nature of this system and that lift and precipitation production will be centered in the mid levels, liquid equivalent precipitation will be very light, with perhaps two or three hundredths at best. And with surface temperatures likely to diabatically cool generally into the 34-36 degree range over the Piedmont during that time, and with a warm ground from recent warmth, any snow flakes will melt on contact.
Snowing here In Hiawassee Georgia
Ron Burgundy
Member
Skies darkening rapidly here in north ATL. Up to 33. Come on, precip...
There's a small patch of snow popping up just a mile north of the airport ahead of the main precip. Virga probably, but reassuring to see.
Showmeyourtds
Member
im not so certain that wasn’t just a big ass flock of birds
Ron Burgundy
Member
Nice band of heavy precip heading toward ATL. Here we go...
Snowflowxxl
Member
Should know how this is going to go down in the next 30 minuets. Hopefully we get lucky and start as snow
Yeah it was just a blip. However virga is entering the northern part of the perimeter.
woke up to enjoy the snow... moderate/heavy with about an inch on the ground. temp 32. Best snow here since 2015 for sure.
Big fail by the hrrr
iRoll
Member
I can’t figure out how to turn it the right way??
Showmeyourtds
Member
Needs to hurry the F up. I’ve got very little wiggle room left in these britches. 32.7/ 31.5
Huge fail on temps and an aside, I know nothing to do with the snow but forecast of 29 here, HRRR had 30 but hit 24. Models are horrible with radiation cooling. ...
Snownut
Member
Up to 27 here in NW upstate but the clouds are rolling in pretty quick
Virga moving in here. Currently 30.6
Virga here, but mPing report of snow just north in Dawson County. 30.8
Wulfer
Member
If this is the middle of this snow we're going to end up with a good amount in Fort Oglethorpe Ga. Tops of the grass is almost gone now. Car snow tracks in the roads and the concrete road no longer visible. Edit: holding at 33 degrees here.
Clem282340
Member
Yes it is we got to lock in this cold air before it gets to warm