December 2025 Forecasts and Discussions

Weather reports, analysis etc. pertaining to Southern BC.
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Catnip
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Re: December 2025 Forecasts and Discussions

Post by Catnip »

Here she comes?

:think: :think:
gfs-500h_anom-na-2025121300-204.png
gfs-500h_anom-na-2025121300-213.png
gfs-500h_anom-na-2025121300-219.png
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*Maps are posted for discussion/entertainment purposes only, and not because I necessarily believe them to be true.

:catnip: :alert:

#teamsnow #surprises #beginningofFEB #FEB

2025-2026 Snowfall - ZERO.OOcm

Wx Stn: https://tinyurl.com/yxervg27
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Re: December 2025 Forecasts and Discussions

Post by Typeing3 »

Catnip wrote: ↑Fri Dec 12, 2025 8:30 pm Here she comes?

:think: :think:

gfs-500h_anom-na-2025121300-204.png

gfs-500h_anom-na-2025121300-213.png
480 thickness line south of Fort Nelson... :crazy:

Trough also dropping out of Alaska that looks to phase with the arctic air and drive it further south. Nice to see the block reorganizing too.
:typing: :type3:
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Re: December 2025 Forecasts and Discussions

Post by Catnip »

Typeing3 wrote: ↑Fri Dec 12, 2025 8:34 pm 480 thickness line south of Fort Nelson... :crazy:

Trough also dropping out of Alaska that looks to phase with the arctic air and drive it further south. Nice to see the block reorganizing too.
Ya this could be another decent one.....
*Maps are posted for discussion/entertainment purposes only, and not because I necessarily believe them to be true.

:catnip: :alert:

#teamsnow #surprises #beginningofFEB #FEB

2025-2026 Snowfall - ZERO.OOcm

Wx Stn: https://tinyurl.com/yxervg27
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Re: December 2025 Forecasts and Discussions

Post by HarrisonSasquatchWx »

Typeing3 wrote: ↑Fri Dec 12, 2025 8:34 pm 480 thickness line south of Fort Nelson... :crazy:

Trough also dropping out of Alaska that looks to phase with the arctic air and drive it further south. Nice to see the block reorganizing too.
How sweet it is Tflood. :o
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Re: December 2025 Forecasts and Discussions

Post by Storm »

Typeing3 wrote: ↑Fri Dec 12, 2025 8:28 pm Yep, -6/-7c is the threshold without any other variables in play.
Chris Doyle will disagree with you on that.

He said years ago for Vancouver snow down to Sea level we need Sub -5°C and Sub 525 Thickness regardless of the flow. Of course the colder the better
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Re: December 2025 Forecasts and Discussions

Post by Catnip »

System dropping down the coast could = :flakey:
gfs-500h_anom-na-2025121300-240.png
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*Maps are posted for discussion/entertainment purposes only, and not because I necessarily believe them to be true.

:catnip: :alert:

#teamsnow #surprises #beginningofFEB #FEB

2025-2026 Snowfall - ZERO.OOcm

Wx Stn: https://tinyurl.com/yxervg27
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Re: December 2025 Forecasts and Discussions

Post by Typeing3 »

00z GEM
Sunday 4am to Monday 4pm
:alert: :raindrip: :raindrip: :alert:

gem_mslp_pcpn_frzn_nwus_fh36-72.gif
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Re: December 2025 Forecasts and Discussions

Post by Catnip »

850's around -12 with that first push of cold air.
gfs-850th-us_nw-2025121300-234.png
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:catnip: :alert:

#teamsnow #surprises #beginningofFEB #FEB

2025-2026 Snowfall - ZERO.OOcm

Wx Stn: https://tinyurl.com/yxervg27
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Re: December 2025 Forecasts and Discussions

Post by Typeing3 »

00z GEM
Tuesday 10am to Wednesday 10am
:alert: :raindrip: :raindrip: :alert:

gem_mslp_pcpn_frzn_nwus_fh90-114.gif
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Re: December 2025 Forecasts and Discussions

Post by John »

If storm believes I believe!
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Re: December 2025 Forecasts and Discussions

Post by Storm »

That will do. GFS is so locked right now.
gfs-prateptype_cat-imp-us_nw-2025121300-252.png
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Re: December 2025 Forecasts and Discussions

Post by John »

Typeing3 wrote: ↑Fri Dec 12, 2025 8:46 pm 00z GEM
Tuesday 10am to Wednesday 10am
:alert: :raindrip: :raindrip: :alert:


gem_mslp_pcpn_frzn_nwus_fh90-114.gif
How much rain?
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Re: December 2025 Forecasts and Discussions

Post by Catnip »

Catnip wrote: ↑Fri Dec 12, 2025 8:41 pm System dropping down the coast could = :flakey:

gfs-500h_anom-na-2025121300-240.png
Yup....
gfs_mslp_pcpn_frzn_nwus_43.png
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*Maps are posted for discussion/entertainment purposes only, and not because I necessarily believe them to be true.

:catnip: :alert:

#teamsnow #surprises #beginningofFEB #FEB

2025-2026 Snowfall - ZERO.OOcm

Wx Stn: https://tinyurl.com/yxervg27
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Re: December 2025 Forecasts and Discussions

Post by John »

Seems snowy to say the least
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Re: December 2025 Forecasts and Discussions

Post by Typeing3 »

John wrote: ↑Fri Dec 12, 2025 8:47 pmHow much rain?
00z GEM and 00z ICON show 50-125mm for the Lower Mainland on Sunday/Monday.
gem_apcpn_nwus_13.png
icon_apcpn_nwus_26.png
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Last edited by Typeing3 on Fri Dec 12, 2025 8:51 pm, edited 1 time in total.
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