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Central PA - Jan/Feb 2019 Obs and Discussion


MAG5035

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5 hours ago, canderson said:

Is the polar vortex not happening? It looks cold next week but no colder than it was last weekend. Highs in the mid to upper teens don’t make a polar vortex. 

Polar vortex is definitely happening, its just the question of how much it dumps south into PA.. which models have been toying around with the last couple days. 12z models today has the Euro as colder than the GFS. Wed-Fri looks to be the brunt of the arctic air intrusion with Thursday as the absolute coldest. For Thursday GFS had high singles for while Euro looked debatable if it reached 0 in H-burg. Either number for a high is hard to do in the Sus Valley. Interior Central PA was in the -10s on both (Euro colder) on both models for Wed night. Wind and prospective snow on the ground could dictate an even lower bottom to low temperatures. 

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19 minutes ago, MAG5035 said:

Polar vortex is definitely happening, its just the question of how much it dumps south into PA.. which models have been toying around with the last couple days. 12z models today has the Euro as colder than the GFS. Wed-Fri looks to be the brunt of the arctic air intrusion with Thursday as the absolute coldest. For Thursday GFS had high singles for while Euro looked debatable if it reached 0 in H-burg. Either number for a high is hard to do in the Sus Valley. Interior Central PA was in the -10s on both (Euro colder) on both models for Wed night. Wind and prospective snow on the ground could dictate an even lower bottom to low temperatures. 

If we get a 4 to 8 event definitely looking much colder.

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5 hours ago, 2001kx said:

I'm assuming things aren't looking good as it is dead in here.

The Euro really lessened the threat for the lower and eastern areas of the state...Americans still going for 3-5" in LSV and 4-6" most of the rest of the state.  NAM has no snow for far SE LSV though.   Euro really is 3-5" of Partly cloudy for S Central PA.

 

8773E06A-1D56-4307-8B02-8958A68702E9.png

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Good agreement between the 12z GFS & Canadian for our Tuesday snow this week.

The next frame on the Canadian wasn’t available, hence the difference in end time on the 2 maps, but the precip was through in CTP with both posted maps.

I would take 4 inches of snow followed by a few days of frigid temps to preserve it !

6ADBCB01-1025-467B-86E7-6986A0746FA5.png

7423CA3D-9F7A-4C01-AFA8-E8F2A6C24CB4.png

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29 minutes ago, Blizzard of 93 said:

Good agreement between the 12z GFS & Canadian for our Tuesday snow this week.

The next frame on the Canadian wasn’t available, hence the difference in end time on the 2 maps, but the precip was through in CTP with both posted maps.

I would take 4 inches of snow followed by a few days of frigid temps to preserve it !

6ADBCB01-1025-467B-86E7-6986A0746FA5.png

7423CA3D-9F7A-4C01-AFA8-E8F2A6C24CB4.png

Bring it Blizz. Need winter to come back and stay for Feb. it would be nice to starting getting a cold active pattern again. Some southern stream love. 

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