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December 2021


MJO812
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34 minutes ago, MJO812 said:

We will flip to a snowy pattern

 

Just need patience 

I am collecting all of these statements of yours right from the first one on November 25 which you said there would be a  few mild days first week of December then winter starts........

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Highly unusual and convoluted pattern that will wreck havoc on the models. Models still attempting the phase shortwaves for 22nd which will have implications for future events.

Strong -PNA coupled with strong Atlantic blocking. Everything is destructively interfering with one another. 

Now if this were mid-late Feb or March we would be sitting pretty given wavelength changes but as it stands it's one big mess. 

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36 minutes ago, SnoSki14 said:

Highly unusual and convoluted pattern that will wreck havoc on the models. Models still attempting the phase shortwaves for 22nd which will have implications for future events.

Strong -PNA coupled with strong Atlantic blocking. Everything is destructively interfering with one another. 

Now if this were mid-late Feb or March we would be sitting pretty given wavelength changes but as it stands it's one big mess. 

Strongly agree.  GFS in particular is flopping around like a big fish thrown out of the water.

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Morning thoughts…

It will be mostly sunny and unseasonably cold today. High temperatures will likely reach mainly the middle and upper 30s with perhaps a few lower 40s in most of the region. Likely high temperatures around the region include:

New York City (Central Park): 37°

Newark: 40°

Philadelphia: 41°

Normals:

New York City: 30-Year: 43.0°; 15-Year: 43.8°

Newark: 30-Year: 43.5°; 15-Year: 44.5°

Philadelphia: 30-Year: 44.8°; 15-Year: 45.8°

Milder air will return on tomorrow.

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It actually feels cold for a change. NYC down to 25°. But this is the 8th latest 25° or lower in NYC. This is 15 days late for NYC with the average first day on December 5th since 2010.

 

Frost/Freeze Summary for NY CITY CENTRAL PARK, NY
Each section contains date and year of occurrence, value on that date.
Click column heading to sort ascending, click again to sort descending.
Year
Last
Value
First
Value
Season Length
1974 03-25 (1974) 20 01-14 (1975) 20 294
2015 03-29 (2015) 25 01-04 (2016) 14 280
2012 03-06 (2012) 25 01-02 (2013) 22 301
2001 03-27 (2001) 24 12-30 (2001) 22 277
1990 03-08 (1990) 25 12-25 (1990) 22 291
1948 03-13 (1948) 17 12-24 (1948) 21 285
1998 03-13 (1998) 23 12-22 (1998) 22 283
1997 03-16 (1997) 25 12-22 (1997) 25 280
2021 03-22 (2021) 23

12-20 (2021)

25 272

 

 

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The next 8 days are averaging 37degs.(33/41), or +3>>>Normal nowadays.

Month to date is  45.9[+5.3].        Should be  43.3[+3.7] by the 28th.

Reached 50 yesterday{at Midnite} fell through the 30's all PM to 29 at Midnight.

Today:  37-39, wind n. to w., m. clear.      Christmas Day back to 40 from 50.      Still 80 in Dallas as I indicated last week.     Pattern change barely gets us down to the new normal(5-Day shots) and that happens with the alacrity of a dead turtle.

27*(54%RH) here at 6am.      30* at 9am.      32* at 10am.      34* at Noon.      39* at 3pm.      36* at 9pm.

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It’s tough for the -AO to have the intended effect when it’s up against a 5 sigma Aleutians Ridge. This may be the strongest positive 500 mb height anomaly on record in that area for the month of December. So it results in the very deep -PNA trough over the Western US. 



A199466C-7C50-4248-8F03-39612D53276F.png.2f3d8626fda6ac36817466f4df5c8d8c.png

 

60448A9A-04DB-4DAB-80AE-028B973A10E5.thumb.jpeg.0c703d5cebacf616699acbcf22b97e2a.jpeg


A66E7B4F-F936-4C51-91C1-F05DC7D1F5EB.thumb.jpeg.7c3199a99e5acb003f8d34e2b8801777.jpeg

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