hlg6016
A/C Wings Here
I better check and make sure they haven't messed with the thermostat.
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Weather
- Thread starter taxi1
- Start date
It would be a little funny if, after all the buildup, we got nothing. We get used to weather not acting as forecast here in the middle.
The cold is the real threat- snow should be fun as long as you don’t have to go anywhere.
This is from the local TAF Discussion, going way beyond the normal meteo-chit chat.
…………..
Now if you really enjoy meteorology and want to know *why* we are predicting the most significant accumulations in the past 5+ years, feel free to read on through the remainder of this KEY MESSAGE 2 discussion. We`ve had our fair share of cold snaps this winter season, and tomorrow (Friday) will be no exception after the next Arctic front pushes through. A large factor driving all this cold weather has been the Polar Vortex displaced from the North Pole, with a tendency for the vortex to find itself over Hudson Bay and northern Quebec. With displacement that far south, we`ve gotten plenty of cold air, but it`s also nudged the storm track south of our area for many of the recent events. If you`ve ever heard people say "it`s too cold to snow", it`s not that it`s physically too cold to snow, it usually just means that the storm track has shifted far enough to the south that we end up under dry high pressure while our temps are cold.
One key difference this time is the influence of a Pacific storm, located off the coast of southern California this evening, and a strengthening subtropical jet to its south. Over the next 24 hours these features will cross the Baja Peninsula of Mexico and then into Texas. Southwesterly flow out ahead of this southern stream feature will pump warmer air into the Gulf Coast and Southeastern US Saturday night into Sunday. At the same time, a northern stream shortwave trough coming down from western Canada into the Great Plains will bring a reinforcing shot of cold air to the back side of the northern longwave trough. The increasing temperature gradients will result in an overall increase in wind speed aloft at jet stream altitude, and an amplification of the northern stream trough and ridge. By Sunday, the right entrance region of the northern jet and the left exit region of the southern jet will align to produce enhanced upward motion through the troposphere. Remaining uncertainty in the forecast largely depends on the degree of phasing of these two jets, the angle at which they align, and how much amplification there is of the ridge out ahead of the deepening trough.
The very cold air in place ahead of this system also plays other crucial roles to increase impacts. At 00Z Sunday, model consensus depicts a 1040+ mb high over New York State, which only slowly moves northeastward across New England over the next 24 hours. The deep, cold blocking high to the northeast of a winter storm is a textbook feature that supplies a stream of cold air down the Alleghenies and provides a cold dome for warmer, less dense air parcels streaming in from the southwest to ascend over. That upward motion is key to production of hydrometeors - in this case snow. And then there is the key role that cold temperatures have on ice crystal habits. The so called "dendritic growth zone" exists where temperatures are between roughly 0F and 10F. Given low temperatures Saturday night in the single digits, some spots might start off with a DGZ that extends from the ground up 10,000 to 15,000 feet which is pretty remarkable for a large synoptic storm in this region. As long as the column saturates quickly enough, any snow that falls late Saturday night and into early Sunday morning could be very high ratio, fluffy, rapidly accumulating snow that consists of many pristine dendrites (SLRs 15-20:1, could be even higher if the column saturates faster but there is dry air at low levels to overcome at onset). So after a few hours of virga, accumulations have the potential to begin with a vengeance in the predawn hours Sunday, especially from I-80 south.
…………
Here’s the radar shot 8 hours after the previous one above. Lots of development now.
…………..
Now if you really enjoy meteorology and want to know *why* we are predicting the most significant accumulations in the past 5+ years, feel free to read on through the remainder of this KEY MESSAGE 2 discussion. We`ve had our fair share of cold snaps this winter season, and tomorrow (Friday) will be no exception after the next Arctic front pushes through. A large factor driving all this cold weather has been the Polar Vortex displaced from the North Pole, with a tendency for the vortex to find itself over Hudson Bay and northern Quebec. With displacement that far south, we`ve gotten plenty of cold air, but it`s also nudged the storm track south of our area for many of the recent events. If you`ve ever heard people say "it`s too cold to snow", it`s not that it`s physically too cold to snow, it usually just means that the storm track has shifted far enough to the south that we end up under dry high pressure while our temps are cold.
One key difference this time is the influence of a Pacific storm, located off the coast of southern California this evening, and a strengthening subtropical jet to its south. Over the next 24 hours these features will cross the Baja Peninsula of Mexico and then into Texas. Southwesterly flow out ahead of this southern stream feature will pump warmer air into the Gulf Coast and Southeastern US Saturday night into Sunday. At the same time, a northern stream shortwave trough coming down from western Canada into the Great Plains will bring a reinforcing shot of cold air to the back side of the northern longwave trough. The increasing temperature gradients will result in an overall increase in wind speed aloft at jet stream altitude, and an amplification of the northern stream trough and ridge. By Sunday, the right entrance region of the northern jet and the left exit region of the southern jet will align to produce enhanced upward motion through the troposphere. Remaining uncertainty in the forecast largely depends on the degree of phasing of these two jets, the angle at which they align, and how much amplification there is of the ridge out ahead of the deepening trough.
The very cold air in place ahead of this system also plays other crucial roles to increase impacts. At 00Z Sunday, model consensus depicts a 1040+ mb high over New York State, which only slowly moves northeastward across New England over the next 24 hours. The deep, cold blocking high to the northeast of a winter storm is a textbook feature that supplies a stream of cold air down the Alleghenies and provides a cold dome for warmer, less dense air parcels streaming in from the southwest to ascend over. That upward motion is key to production of hydrometeors - in this case snow. And then there is the key role that cold temperatures have on ice crystal habits. The so called "dendritic growth zone" exists where temperatures are between roughly 0F and 10F. Given low temperatures Saturday night in the single digits, some spots might start off with a DGZ that extends from the ground up 10,000 to 15,000 feet which is pretty remarkable for a large synoptic storm in this region. As long as the column saturates quickly enough, any snow that falls late Saturday night and into early Sunday morning could be very high ratio, fluffy, rapidly accumulating snow that consists of many pristine dendrites (SLRs 15-20:1, could be even higher if the column saturates faster but there is dry air at low levels to overcome at onset). So after a few hours of virga, accumulations have the potential to begin with a vengeance in the predawn hours Sunday, especially from I-80 south.
…………
Here’s the radar shot 8 hours after the previous one above. Lots of development now.
Dry snow is easier to shovel than wet snow....Get busy.
How well does the Tesla handle the snow and cold?
Very well actually. It's a heavy, low CG vehicle which helps in traction and handling. Below 20°F battery efficiency really takes a hit but completely manageable. The ECS is excellent even in bone chilling wx.
I have a similar experience with my Ioniq5. I noticed that the resistive heating kicks on at about 7 degrees F. That doesn't help battery efficiency. But c'est la vie.
I didn't feel like stopping to charge on the way home from the squadron today so I decided to kill the heat and hyper-mile my way home. I left the gate with 83 miles of range for my 83 mile drive and pulled into my garage with 30 miles of range remaining. Pretty amazing how easily you can manipulate the guess-o-meter. Also, I probably will be calling in sick tomorrow with the squadron-standard HIV after that cold ass drive home
I didn't feel like stopping to charge on the way home from the squadron today so I decided to kill the heat and hyper-mile my way home. I left the gate with 83 miles of range for my 83 mile drive and pulled into my garage with 30 miles of range remaining. Pretty amazing how easily you can manipulate the guess-o-meter. Also, I probably will be calling in sick tomorrow with the squadron-standard HIV after that cold ass drive home
No worries. We've got a Mids MCC slot with your name all over it, and a 6 week East Coast COMPTUEX RPA LNO TDY on the boat as part of the staff gig that you're the only guy qualified for right now. You'll love it!
I'd almost take that COMPTUEX gig as an excuse to wander around in the blue tile and eat the Admiral's cookies while pretending I'm just some dumb AF guy who doesn't know better.
Looking for a blizzard in the Outer Banks of North Carolina this Sunday. This is a really neat site to check the winds and other stuff...
earth.nullschool.net
Nothing really showing yet. Going to be a bomb cyclone.
@Ventus thought you were a weather nerd.
earth :: a global map of wind, weather, and ocean conditions
See current wind, weather, ocean, and pollution conditions, as forecast by supercomputers, on an interactive animated map. Updated every three hours.
Nothing really showing yet. Going to be a bomb cyclone.
@Ventus thought you were a weather nerd.
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The latest up here in New England is the loss of a fishing vessel out of Gloucester MA. The USCG had a -60 up earlier but the temps, wind, and sea conditions are wrecking havoc on the cutters and boats searching the area.Looking for a blizzard in the Outer Banks of North Carolina this Sunday. This is a really site to check the winds and other stuff...
earth :: a global map of wind, weather, and ocean conditions
See current wind, weather, ocean, and pollution conditions, as forecast by supercomputers, on an interactive animated map. Updated every three hours.
Nothing really showing yet. Going to be a bomb cyclone.
View attachment 44497
@Ventus thought you were a weather nerd.
