Jump to content
  • Member Statistics

    17,695
    Total Members
    7,904
    Most Online
    Wolfpack25
    Newest Member
    Wolfpack25
    Joined

January 2025


 Share

Recommended Posts

23 minutes ago, Volcanic Winter said:

That storm track is absolutely wild. You can see how it contours the cold air dome across the US, riding the boundary and ... giving a nice secondary jackpot to the Outer Banks :ee:.

This really does seem reminiscent of the 2013-2015 winters to me, but of course with less snow. I really do feel there's reason yet to be optimistic about the rest of winter, while February is likely to average warmer than Jan, there's no guarantee it will be snowless. We may have better luck once the cold isn't so overbearing, since this year it oriented in a way that was harmful to snow here with that death vortex east of New England.

Chin up though, IMO. We have snow on the ground and a nice winter feel at least for the cold this week. It could certainly be worse!

The Palmetto Pulverizer storm? 

  • Haha 2
Link to comment
Share on other sites

On 12/27/2024 at 10:07 AM, donsutherland1 said:

The teleconnections are forecast to move into a combination that has often been associated with moderate or significant snowstorms in New York City. Based on the 12/27 0z EPS and latest 46-day ECMWF forecast, the teleconnections could be in a favorable state through January 20th.

image.png.db485f29ab40297ba99e3b0994ca3c9a.png

Moderate or significant snowfalls are still infrequent events.

image.thumb.png.1ddd841d3f18cd183872901e0f216e3c.png

Assuming that the favorable combination occurs and persists through January 20th, one will need to look for additional factors:

- Sufficient cold: Likely through most of the period
- Short waves that could become storms: Multiple candidates on the guidance through 15 days
- Synoptic details: TBD (can't be reliably forecast beyond 5-7 days)

With the ENSO being in a neutral-cool phase, the active subtropical jet stream that is conducive to the development of Miller A storms is less prominent.

At present, the potential for at least moderate (4" or above) snowfalls will become more favorable than it has been during all of the winter so far. However, the potential still needs to be realized.

Based on the statistics (1950-2024), here's what seems plausible right now for the January 1-20 period:

- Measurable snowfalls: 2-4 days
- 1" or more snowfall: 1-3 days
- 2" or more snowfall: 1-2 days
- 4" or more snowfall: 1 day

Moderate snowfalls: 1 to perhaps 2
Significant snowfalls: Maybe 1

How the Pattern Verified:

What I thought was plausible:
 - Measurable snowfalls: 2-4 days
- 1" or more snowfall: 1-3 days
- 2" or more snowfall: 1-2 days
- 4" or more snowfall: 1 day

Moderate snowfalls: 1 to perhaps 2
Significant snowfalls: Maybe 1

Outcome at Central Park:
- Total snowfalls: 4 days
- Measurable snowfalls: 3 days (January 6: 0.9"; January 11: 0.5"; January 19: 1.6"; Total: 3.0")
- 1" or more: 1 day
- 2" or more: None
- 4" or more: None

Outcome at JFK Airport:
- Total snowfalls: 4 days
- Measurable snowfalls: 3 days (January 6: 0.5"; January 11: 0.4"; January 19: 2.2"; Total: 3.1")
- 1" or more: 1 day
- 2" or more: 1 day
- 4" or more: None

Outcome at LaGuardia Airport:
- Total snowfalls: 4 days
- Measurable snowfalls: 3 days (January 6: 0.9"; January 11: 0.5"; January 19: 3.6"; Total: 5.0")
- 1" or more: 1 day
- 2" or more: 1 day
- 4" or more: None

Synoptic details can't be reliably forecast more than 5-7 days out. Those details are crucial and they made the difference in the outcome. Overall, the pattern produced in the larger Middle Atlantic and southern New England regions, just not in the New York City area (no moderate or significant snowfalls). Boston picked up 5.0" during January 19-20, 2025. Baltimore saw 6.6" on January 6, 2025 and Washington, DC received 7.2" on January 6, 2025. Richmond picked up 3.5" during January 5-6, 2025.

 

  • Thanks 2
Link to comment
Share on other sites

9 minutes ago, Stormlover74 said:

Wonder if the city can drop into the single digits during this outbreak. It looks close but forecasted lows seem to be a bit higher than they were a few days ago

solidly polar airmass, alright wind direction, decent snowpack, but kind of weak winds. i think all suburbs make it to single digits and i'm gonna say 2/3 of city stations do too

Link to comment
Share on other sites

43 minutes ago, Nibor said:

Not sure I've ever noticed the pine barrens show up on a temperature map. Pretty neat.

Yeah, I live on the extreme northern edge. I never came to learn if the microclimate gets factored into modeling and forecasted lows here or not. I just notice sometimes we soundly beat projected lows, and sometimes are more in line with NNJ overnight temps. 

Can’t models predict radiative cooling? Some nights I expect it, it doesn’t happen. Other nights we’re off to the races. Already below what I was forecasted to be at for a low tonight since they adjusted the forecast up a bit from the extremes it was at several days ago. Snowcover helps too of course. It’s frigid out right now. 8F dew at 2. 

  • Like 1
Link to comment
Share on other sites

7 minutes ago, Volcanic Winter said:

Yeah, I live on the extreme northern edge. I never came to learn if the microclimate gets factored into modeling and forecasted lows here or not. I just notice sometimes we soundly beat projected lows, and sometimes are more in line with NNJ overnight temps. 

Can’t models predict radiative cooling? Some nights I expect it, it doesn’t happen. Other nights we’re off to the races. Already below what I was forecasted to be at for a low tonight since they adjusted the forecast up a bit from the extremes it was at several days ago. Snowcover helps too of course. It’s frigid out right now. 8F dew at 2. 

It's obvious that the pine barrens would have their own microclimate to an extent just never thought too much about it. Neat stuff.

  • 100% 2
Link to comment
Share on other sites

7 hours ago, Volcanic Winter said:

That storm track is absolutely wild. You can see how it contours the cold air dome across the US, riding the boundary and ... giving a nice secondary jackpot to the Outer Banks :ee:.

This really does seem reminiscent of the 2013-2015 winters to me, but of course with less snow. I really do feel there's reason yet to be optimistic about the rest of winter, while February is likely to average warmer than Jan, there's no guarantee it will be snowless. We may have better luck once the cold isn't so overbearing, since this year it oriented in a way that was harmful to snow here with that death vortex east of New England.

Chin up though, IMO. We have snow on the ground and a nice winter feel at least for the cold this week. It could certainly be worse!

Yes it looks gorgeous outside and it will for the entire week.  As long as it doesn't rain I'm happy.

  • 100% 1
Link to comment
Share on other sites

1 hour ago, Volcanic Winter said:

Yeah, I live on the extreme northern edge. I never came to learn if the microclimate gets factored into modeling and forecasted lows here or not. I just notice sometimes we soundly beat projected lows, and sometimes are more in line with NNJ overnight temps. 

Can’t models predict radiative cooling? Some nights I expect it, it doesn’t happen. Other nights we’re off to the races. Already below what I was forecasted to be at for a low tonight since they adjusted the forecast up a bit from the extremes it was at several days ago. Snowcover helps too of course. It’s frigid out right now. 8F dew at 2. 

Don't you have a Jersey Devil creature living in the Pine Barrens? It would be interesting to go on a monster hunt one of these days ;-)

 

  • Haha 1
Link to comment
Share on other sites

6 hours ago, donsutherland1 said:

How the Pattern Verified:

What I thought was plausible:
 - Measurable snowfalls: 2-4 days
- 1" or more snowfall: 1-3 days
- 2" or more snowfall: 1-2 days
- 4" or more snowfall: 1 day

Moderate snowfalls: 1 to perhaps 2
Significant snowfalls: Maybe 1

Outcome at Central Park:
- Total snowfalls: 4 days
- Measurable snowfalls: 3 days (January 6: 0.9"; January 11: 0.5"; January 19: 1.6"; Total: 3.0")
- 1" or more: 1 day
- 2" or more: None
- 4" or more: None

Outcome at JFK Airport:
- Total snowfalls: 4 days
- Measurable snowfalls: 3 days (January 6: 0.5"; January 11: 0.4"; January 19: 2.2"; Total: 3.1")
- 1" or more: 1 day
- 2" or more: 1 day
- 4" or more: None

Outcome at LaGuardia Airport:
- Total snowfalls: 4 days
- Measurable snowfalls: 3 days (January 6: 0.9"; January 11: 0.5"; January 19: 3.6"; Total: 5.0")
- 1" or more: 1 day
- 2" or more: 1 day
- 4" or more: None

Synoptic details can't be reliably forecast more than 5-7 days out. Those details are crucial and they made the difference in the outcome. Overall, the pattern produced in the larger Middle Atlantic and southern New England regions, just not in the New York City area (no moderate or significant snowfalls). Boston picked up 5.0" during January 19-20, 2025. Baltimore saw 6.6" on January 6, 2025 and Washington, DC received 7.2" on January 6, 2025. Richmond picked up 3.5" during January 5-6, 2025.

 

Don did the pattern produce in Philly? I ask because it seems like there was a donut hole from NYC to Philly because we were sandwiched between two tracks-- neither of which benefit us-- and this is something that seems to happen quite often with a fast Pacific flow.

 

Link to comment
Share on other sites

1 hour ago, Volcanic Winter said:

Yeah, I live on the extreme northern edge. I never came to learn if the microclimate gets factored into modeling and forecasted lows here or not. I just notice sometimes we soundly beat projected lows, and sometimes are more in line with NNJ overnight temps. 

Can’t models predict radiative cooling? Some nights I expect it, it doesn’t happen. Other nights we’re off to the races. Already below what I was forecasted to be at for a low tonight since they adjusted the forecast up a bit from the extremes it was at several days ago. Snowcover helps too of course. It’s frigid out right now. 8F dew at 2. 

There's always a nice competition between KMJX, KFOK and KMVY to see which Pine Barrens get the coldest temp, I think KFOK wins most of the time, but sometimes one of the other two is colder and they can each be colder than even our coldest inland locations, like Monticello or Mt Pocono.

 

  • Like 1
Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share

×
×
  • Create New...