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Mid to long range discussion- 2025


wncsnow
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 12Z GFS fwiw (taking with a huge grain) as a result of 24 hours straight of ZR has close to the worst icestorm on record in the SAV area with 1.45” (Hunter) and 1.63” (airport further inland) at reporting stations and a general 1.25-1.65” over much of the area away from the islands. The 6Z GFS also had a lot of ZR with 1.30” at airport and 0.66” at Hunter. Statesboro had a whopping 1.89”! Needless to say, I might be taking a 2nd Jan trip to snowy Atlanta (in this case for two reasons) if something like this were to somehow materialize:

IMG_1839.thumb.png.88818a03c002833bb7ec46d77fd66b75.png

IMG_1837.thumb.png.bae802198de91683abcaabcbcb0eed77.png
IMG_1840.thumb.png.daf7b7abe21ff015fdfd29d148f239ba.png

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 12Z GFS fwiw (taking with a huge grain) as a result of 24 hours straight of ZR has close to the worst icestorm on record in the SAV area with 1.45” (Hunter) and 1.63” (airport further inland) at reporting stations and a general 1.25-1.65” over much of the area away from the islands. Needless to say, I might be taking a 2nd Jan trip to snowy Atlanta if something like this were to somehow materialize:
IMG_1839.thumb.png.88818a03c002833bb7ec46d77fd66b75.png
IMG_1837.thumb.png.bae802198de91683abcaabcbcb0eed77.png
Got the Kuchie snowfall?

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5 minutes ago, GaWx said:

 12Z GFS fwiw (taking with a huge grain) as a result of 24 hours straight of ZR has close to the worst icestorm on record in the SAV area with 1.45” (Hunter) and 1.63” (airport further inland) at reporting stations and a general 1.25-1.65” over much of the area away from the islands. Needless to say, I might be taking a 2nd Jan trip to snowy Atlanta (in this case for two reasons) if something like this were to somehow materialize:

IMG_1839.thumb.png.88818a03c002833bb7ec46d77fd66b75.png

IMG_1837.thumb.png.bae802198de91683abcaabcbcb0eed77.png
IMG_1840.thumb.png.daf7b7abe21ff015fdfd29d148f239ba.png

Can you post a pic of this in NC?  The ice accrual I mean

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13 minutes ago, StantonParkHoya said:

I need to understand what I causing the warm nose on this .. the low is way off the coast

Typically to get a transition zone that mixes with overrunning events. Basically the cold front stalls over our region and warm moist air to the south is what is both providing the moisture as well as warming the mid levels, while cold air reinforces itself from the cold/dry air to the north. An overrunning event can produce heavy wintry precip without a strong low pressure system developing along the boundary at all, although this does tend to happen eventually as the push of warm air occludes with the cold front once it rounds the corner of the trough. 

https://www.saltwire.com/atlantic-canada/behind-the-weather-the-science-behind-overrunning-100931920

 

gfs_temp_adv_fgen_850_eus_32.png

gfs_T850a_eus_32.png

gfs_T2m_contour_seus_35.png

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11 minutes ago, Prismshine Productions said:

Thank you! I may not live down here any more, but I still got my family in Orangeburg and Walterboro I need to look after

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 Here’s 12Z GFS sleet for all to look at and especially for @dsaur

IMG_1841.thumb.png.76019157bd77fbaf328f5f4659a05d33.png

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1 hour ago, GaWx said:

12Z Icon is much drier than most other models for 1/21 (similar to 0Z run) but it is likely delayed but not denied as the run stops too early to see. It has light snow moving ENE over extreme S LA from a W GOM development while the SE is very cold due to a 1040 mb Siberian high right there:

IMG_1833.thumb.png.1c44e4d4e605e26b676a741b8eef7e26.png
 

IMG_1834.thumb.png.bdc12feef7724b5dff79c9ad7d7c480a.png


IMG_1835.thumb.png.e4e0178eadc6a6f4131fda1bb9a6d7f3.png

 

Note the split flow with the very cold WNW flow into the Midwest while at the same time there’s moistening WSW H5 flow over the SE going over the lower level very cold dome:

IMG_1836.thumb.png.6a1a79584073081fed04899f1c80d185.png

wsw flow.  One of the keys.

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