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Mid to long range discussion- 2025


wncsnow
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29 minutes ago, suzook said:

06z GFS has shifted things north. Should be an interesting week watching this.

Ensembles actually had accumulating snow a little further south than 00z though. Have to look more at ensembles at this range than single model runs. 00z Canadian Ensembles also has accumulating snow for much of the state.

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49 minutes ago, BornAgain13 said:

How's the AI Snow Map look today? 

 S end of big snow area has moved quite a bit N since the 2/3 18Z run due to much further N 0C 850 mb line as it gets more in line with other models after being colder than them at that level.

AI 18Z 2/3 run 850s: During heart of the qpf the 0C line as of 0Z on 2/12 then much further S than other models: Gainesville to Anderson to S of Fayetteville to New Bern; GSP/Charlotte/RDU -2, Ash. -4, 

IMG_2769.thumb.png.f6ec8bd7096a57d13cea6ee64fe82da8.png
 

0Z 2/4 run went sig. further N: GSP/Charlotte +1, Ash -2, RDU -2

IMG_2771.thumb.png.7fa3d7622764d62aec040d70a2d876b0.png


6Z 2/4 run even further N: GSP/Charlotte +2, Ash. -1, RDU 0

IMG_2768.thumb.png.e1130171ad3f5dda1dc30598b0637933.png
 

Result: S portion of heavy snow area on AI moved much further N 

18Z:

IMG_2774.thumb.jpeg.48539a47590a57f31f906b5c7d1dc0d6.jpeg
 

0Z:

IMG_2773.png
 

6Z:

IMG_2772.png

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1 minute ago, GaWx said:

 S end of big snow area has moved quite a bit N since the 2/3 18Z run due to much further N 0C 850 mb line as it gets more in line with other models after being colder than them at that level.

AI 18Z 2/3 run 850s: During heart of the qpf the 0C line as of 0Z on 2/12 then much further S than other models: Gainesville to Anderson to S if Fayetteville to New Bern; GSP/Charlotte/RDU -2, Ash. -4, 

IMG_2769.thumb.png.f6ec8bd7096a57d13cea6ee64fe82da8.png
 

0Z 2/4 run went sig. further N: GSP/Charlotte +1, Ash -2, RDU -2

IMG_2771.thumb.png.7fa3d7622764d62aec040d70a2d876b0.png


6Z 2/4 run even further N: GSP/Charlotte +2, Ash. -1, RDU 0

IMG_2768.thumb.png.e1130171ad3f5dda1dc30598b0637933.png
 

Result: S portion of heavy snow area on AI moved much further N 

18Z:

 

 

 

IMG_2773.png

IMG_2772.png

That's still a significant storm although further north.

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