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January 2017 Observations and Model Discussion for the Pacific Northwest


Goducks09

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This run may bring some Puget Sounders back...

Doubtful... needs to be more believable range. This is pure vaporware. Dangling carrots ... been there done that at least a couple dozen times this winter. Give me that forecast 2 days out then maybe.

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Early February always had potential. With the major SSW ongoing, you're going to get wild model swings as the nature of the tropical convective response to decreased static stability becomes clearer.

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Well that was fun...

Snowfall                                  Precip

2022-23: 95.0"                      2022-23: 17.39"

2021-22: 52.6"                    2021-22: 91.46" 

2020-21: 12.0"                    2020-21: 71.59"

2019-20: 23.5"                   2019-20: 58.54"

2018-19: 63.5"                   2018-19: 66.33"

2017-18: 30.3"                   2017-18: 59.83"

2016-17: 49.2"                   2016-17: 97.58"

2015-16: 11.75"                 2015-16: 68.67"

2014-15: 3.5"
2013-14: 11.75"                  2013-14: 62.30
2012-13: 16.75"                 2012-13: 78.45  

2011-12: 98.5"                   2011-12: 92.67"

It's always sunny at Winters Hill! 
Fighting the good fight against weather evil.

 

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Wow, that was quite the 0z run, even better with the ECMWF having been hinting at such a transition the past few runs. Also, things are still looking good for a Puget Sound / SW BC overrunning event Thursday evening ~ Friday. The ECMWF was the first to bring the low sharply north on Thursday/Friday (albeit we have a bit of a ways to go here), could it be the first to pickup on the colder transition as well?

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Wow, that was quite the 0z run, even better with the ECMWF having been hinting at such a transition the past few runs. Also, things are still looking good for a Puget Sound / SW BC overrunning event Thursday evening ~ Friday. The ECMWF was the first to bring the low sharply north on Thursday/Friday (albeit we have a bit of a ways to go here), could it be the first to pickup on the colder transition as well?

Maybe that low will stall around southern vancouver island instead of going north into the queen charlottes... and thennnn sag south per 0z gfs
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Early February always had potential. With the major SSW ongoing, you're going to get wild model swings as the nature of the tropical convective response to decreased static stability becomes clearer.

Yep, one reason is as we get into the believable range I will buy it. I expect nothing good from model runs beyond 2 or 3 days and even that may be stretching things a bit.

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GEM looks quite different from the GFS following the mid week low, but eventually brings the cold. 

http://maps3.pivotalweather.com/maps/models/ggem/2017013100/186/500h_anom.na.png

 

 

Snowmageddon coming to SEA

http://www.tropicaltidbits.com/analysis/models/gem/2017013100/gem_asnow_nwus_30.png

 

 

Just for fun

http://www.tropicaltidbits.com/analysis/models/gem/2017013100/gem_asnow_nwus_40.png

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Massive ensemble improvement... Operational was not an outlier...

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Snowfall                                  Precip

2022-23: 95.0"                      2022-23: 17.39"

2021-22: 52.6"                    2021-22: 91.46" 

2020-21: 12.0"                    2020-21: 71.59"

2019-20: 23.5"                   2019-20: 58.54"

2018-19: 63.5"                   2018-19: 66.33"

2017-18: 30.3"                   2017-18: 59.83"

2016-17: 49.2"                   2016-17: 97.58"

2015-16: 11.75"                 2015-16: 68.67"

2014-15: 3.5"
2013-14: 11.75"                  2013-14: 62.30
2012-13: 16.75"                 2012-13: 78.45  

2011-12: 98.5"                   2011-12: 92.67"

It's always sunny at Winters Hill! 
Fighting the good fight against weather evil.

 

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