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PNW February 2023 Weather Discussion - Meteorological winter finale

Anti Marine Layer

By Anti Marine Layer
in West of the Rockies

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Posted by The Ms. Anthrop,

Really, really lovely cumulonimbus action tonight! I just happened to have my drone in the car and got some solid shots of DT Seattle/Lake Washington/Mercer Island/Bellevue looking north from Skyway. Alas, the focal length of the lens doesn't do the vertical height justice and my WB was off rendering it into semi-gross HDR territory, but still... fun looking weather! It was quite windy- I was flying right at 390 ft and the drone was giving me all sorts of warnings about sustained winds/gusts. 

insta pin. glorious cloud pics!

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Posted by Gradient Keeper,

A most incredible snow storm. At times the snowfall rates have been as heavy or slightly heavier than January 2017. Temp 27.5, Dewpoint: 27.1 with gusty east wind and very heavy snow continuing. I'm at 11 1/2" now! UNBELIEVABLE!!!! This pic does no justice at all.

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

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Posted by ajreich,

NBM is quite an interesting product! Their weighting algorithm is moderately complex and dynamic, though does has some drawbacks as we saw yesterday. For those who don't know, NBM is an attempt by NOAA to create a super probabilistic forecast model that ingests output from all the models above and outputs forecast guidance for local offices that help them to gauge the relative odds of particular weather outcomes. The 'special sauce' is the post-processing, normalization and weighting that they d
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Posted by BLI snowman,

18 at PDX. First low in the teens there since January 2017.
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Gradient Keeper
Gradient Keeper

A most incredible snow storm. At times the snowfall rates have been as heavy or slightly heavier than January 2017. Temp 27.5, Dewpoint: 27.1 with gusty east wind and very heavy snow continuing. I'm a

OysterPrintout
OysterPrintout

WHAT an event. Huge overperformance for us at this location. Measured 5.5" of snow. Just incredible.   

SilverFallsAndrew
SilverFallsAndrew

Saw this posted on social media. 

Posted Images

Skagit Weather Veteran

Skagit Weather

Posted
Posted

The 10 day forecast on the 00z GFS is about the most exciting I've seen in the past month. Looks like pretty solid snowfall up in the mountains and average or slightly above rainfall in lowlands. Nothing exceptional, but after the January snoozefest I'd take it! I'm still only at just over 2" of precip for 2023.

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Home Wx Station Stats (Since January 2008):

Max Temp: 96.3F (2009)   Min Temp: 2.0F (2008)   Max Wind Gust: 45 mph (2018, 2021)   Wettest Day: 2.34 (11/4/22)   Avg Yearly Precip: 37"   10yr Avg Snow: 8.0"

Snowfall Totals

'08-09: 30" | '09-10: 0.5" | '10-11: 21" | '11-12: 9.5" | '12-13: 0.2" | '13-14: 6.2" | '14-15: 0.0" | '15-16: 0.25"| '16-17: 8.0" | '17-18: 0.9"| '18-19: 11.5" | '19-20: 11" | '20-21: 10.5" | '21-22: 21.75" | '22-23: 10.0" 

2023-24: 7.0" (1/17: 3", 1/18: 1.5", 2/26: 0.5", 3/4: 2.0", Flakes: 1/11, 1/16)

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Cold Snap Grand Master

Cold Snap

Posted
Posted
19 minutes ago, Doinko said:

prateptype_cat-imp.us_nw.png

That would probably get my flight cancelled the next morning.

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2023 - 2024 Cold Season Stats

Total Snowfall - 0.75”

Max Snow Depth - 0.5”

Coldest High Temp - 21 (Jan 13)

Coldest Low Temp - 9 (Jan 13)

Number of Freezes - 51

Sub-40 highs - 12

Highs 32 or lower - 3

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TT-SEA Grand Master

TT-SEA

Posted
Posted
1 hour ago, SilverFallsAndrew said:

Model riding these days be like waiting until 8:45p to check the 00z and then being disappointed. 

GFS starts at 5:30 here!

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**REPORTED CONDITIONS AND ANOMALIES ARE NOT MEANT TO IMPLY ANYTHING ON A REGIONAL LEVEL UNLESS SPECIFICALLY STATED**

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Meatyorologist Grand Master

Meatyorologist

Posted
Posted

giphy.gif

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Weather stats for MBY

Snowfall:

-Total snowfall since joining: 50.25"

-2018-19: 21"

-2019-20: 2.5"

-2020-21: 13"

-2021-22: 8.75"

-2022-23: 5.75"

-2023-24*: 0.25"

-Most recent snowfall: 0.25”; January 17th, 2024

-Largest snowfall (single storm): 8.5"; February 12-13, 2021

-Largest snow depth: 14"; 1:30am February 12th, 2019

Temperatures:

-Warmest: 109F; June 28th, 2021

-Coldest: 13F; December 27th, 2021

-Phreeze Count 2023-24: 31

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AlTahoe Veteran

AlTahoe

Posted
Posted
20 minutes ago, Doinko said:

Trough is a bit too far west but lot of arctic air in BC on this run
850t_anom.na.png
500h_anom.na.png

Jesus that setup would be absurd up here. I can barely blow the snow over my existing berms so adding another 10' would be crazy. My buddy managed to get his snow blower on his roof today. I might have to do the same. Noticed some new cracks in the sheet rock in the garage ceiling yesterday 

IMG_20230204_213015.jpg

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snow_wizard Grand Master

snow_wizard

Posted
Posted
6 hours ago, Phishy Wx said:

500mb colder than normal in the west, surface not so much

 

 

It has been below normal.  Why look at maps when we have hard numbers to look at for that?  It blows my mind people east of the mountains are complaining about what has been a very cold winter over there.

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Death To Warm Anomalies!

 

Winter 2023-24 stats

 

Total Snowfall = 1.0"

Day with 1" or more snow depth = 1

Total Hail = 0.0

Total Ice = 0.2

Coldest Low = 13

Lows 32 or below = 45

Highs 32 or below = 3

Lows 20 or below = 3

Highs 40 or below = 9

 

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snow_wizard Grand Master

snow_wizard

Posted
Posted
23 minutes ago, Gradient Keeper said:

Tantalizingly close to a major late Winter blast. The tilt on the block is superb.

SEA end up with afternoon temps in the mid 20s on the 20th on this run.

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Death To Warm Anomalies!

 

Winter 2023-24 stats

 

Total Snowfall = 1.0"

Day with 1" or more snow depth = 1

Total Hail = 0.0

Total Ice = 0.2

Coldest Low = 13

Lows 32 or below = 45

Highs 32 or below = 3

Lows 20 or below = 3

Highs 40 or below = 9

 

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snow_wizard Grand Master

snow_wizard

Posted
Posted
31 minutes ago, Phishy Wx said:

yup 2/20 storm been calling it for almost 2 weeks now

My B-Day!

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Death To Warm Anomalies!

 

Winter 2023-24 stats

 

Total Snowfall = 1.0"

Day with 1" or more snow depth = 1

Total Hail = 0.0

Total Ice = 0.2

Coldest Low = 13

Lows 32 or below = 45

Highs 32 or below = 3

Lows 20 or below = 3

Highs 40 or below = 9

 

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SnarkyGoblin Grand Master

SnarkyGoblin

Posted
Posted
21 minutes ago, AlTahoe said:

Jesus that setup would be absurd up here. I can barely blow the snow over my existing berms so adding another 10' would be crazy. My buddy managed to get his snow blower on his roof today. I might have to do the same. Noticed some new cracks in the sheet rock in the garage ceiling yesterday 

IMG_20230204_213015.jpg

Daaamn.  There is a price to pay to live in a beautiful area like yours.

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snow_wizard Grand Master

snow_wizard

Posted
Posted

Nice improvement on the 850 spaghetti for mid month.  Things are starting to get interesting!

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Death To Warm Anomalies!

 

Winter 2023-24 stats

 

Total Snowfall = 1.0"

Day with 1" or more snow depth = 1

Total Hail = 0.0

Total Ice = 0.2

Coldest Low = 13

Lows 32 or below = 45

Highs 32 or below = 3

Lows 20 or below = 3

Highs 40 or below = 9

 

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TacomaWx Grand Master

TacomaWx

Posted
Posted

We may get a decent event later this month…but even if we do the late December cold looks like it’ll definitely end up the top event this winter. Despite lacking snow south of Everett…it was a pretty bigtime blast. Wouldn’t be surprised if we had to wait several years to see something like that again. To manage back to back years with cold waves producing highs in the mid 20s is impressive. 

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snow_wizard Grand Master

snow_wizard

Posted
Posted
5 minutes ago, SnarkyGoblin said:

Daaamn.  There is a price to pay to live in a beautiful area like yours.

This is why I'm more interested in a climate that is big on cold, but has just moderate snowfall.

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Death To Warm Anomalies!

 

Winter 2023-24 stats

 

Total Snowfall = 1.0"

Day with 1" or more snow depth = 1

Total Hail = 0.0

Total Ice = 0.2

Coldest Low = 13

Lows 32 or below = 45

Highs 32 or below = 3

Lows 20 or below = 3

Highs 40 or below = 9

 

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SilverFallsAndrew Grand Master

SilverFallsAndrew

Posted
Posted

Could the worm turn? Did you know the bird was the word?

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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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