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PNW December 2021 Obs - A December for Despair and Disappointment


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Happy New Years! Single Digits in the Kitsap Peninsula!!!

Proof below. This is amazing, considering our location is about 15 miles west of Seattle at only about 300-500 feet.

6 degrees... absolutely insane...

Screen Shot 2022-01-01 at 00.35.05.png

Screen Shot 2022-01-01 at 00.36.17.png

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Quite remarkably the 0z GFS only had two highs above 40 and one low above 33 for SEA over the next 10 days.  Well below normal.  The freezing nights will be good for snow preservation.

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Death To Warm Anomalies!

 

Winter 2021-22 stats

 

Total Snowfall = 12.5"

Day with 1" or more snow depth = 11

Total Hail = T

Coldest Low = 15

Lows 32 or below = 24

Highs 32 or below = 5

Lows 20 or below = 4

Highs 40 or below = 16

 

 

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4 minutes ago, RayRay said:

Happy New Years! Single Digits in the Kitsap Peninsula!!!

Proof below. This is amazing, considering our location is about 15 miles west of Seattle at only about 300-500 feet.

6 degrees... absolutely insane...

Screen Shot 2022-01-01 at 00.35.05.png

Screen Shot 2022-01-01 at 00.36.17.png

From what I remember that happens sometimes at Bremerton.  The temps just crash....not sure why.

Death To Warm Anomalies!

 

Winter 2021-22 stats

 

Total Snowfall = 12.5"

Day with 1" or more snow depth = 11

Total Hail = T

Coldest Low = 15

Lows 32 or below = 24

Highs 32 or below = 5

Lows 20 or below = 4

Highs 40 or below = 16

 

 

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6 minutes ago, snow_wizard said:

From what I remember that happens sometimes at Bremerton.  The temps just crash....not sure why.

Green Mountain and the Valleys around it... cold air gets trapped there...

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Effect not shown on the GFS or the EMWCF.

New Theory for Kitsap Green Mountain Valley Area Cooling Effect.

Predicted Temps:

GFS: 11F

EMWCF: 14F

ICON: 18F

8F avg. temp deviation from models!!!

Screen Shot 2022-01-01 at 00.52.57.png

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  • iFred unpinned this topic

Looks like the records for Bremerton are:

12/31 = 11 ...1968

1/1 = 14 ...1979 

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Death To Warm Anomalies!

 

Winter 2021-22 stats

 

Total Snowfall = 12.5"

Day with 1" or more snow depth = 11

Total Hail = T

Coldest Low = 15

Lows 32 or below = 24

Highs 32 or below = 5

Lows 20 or below = 4

Highs 40 or below = 16

 

 

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23 minutes ago, Cloud said:

OLM is 9F. 24 hours ago it couldn't even get to freezing. WTF?!

It's all about clearing for OLM.  That is not nearly as true for SEA.

Death To Warm Anomalies!

 

Winter 2021-22 stats

 

Total Snowfall = 12.5"

Day with 1" or more snow depth = 11

Total Hail = T

Coldest Low = 15

Lows 32 or below = 24

Highs 32 or below = 5

Lows 20 or below = 4

Highs 40 or below = 16

 

 

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7 minutes ago, RayRay said:

Effect not shown on the GFS or the EMWCF.

New Theory for Kitsap Green Mountain Valley Area Cooling Effect.

Predicted Temps:

GFS: 11F

EMWCF: 14F

ICON: 18F

8F avg. temp deviation from models!!!

Screen Shot 2022-01-01 at 00.52.57.png

That may be right for this situation.  They don't always overperform to this extent though.  I've seen it from time to time in the past.

Death To Warm Anomalies!

 

Winter 2021-22 stats

 

Total Snowfall = 12.5"

Day with 1" or more snow depth = 11

Total Hail = T

Coldest Low = 15

Lows 32 or below = 24

Highs 32 or below = 5

Lows 20 or below = 4

Highs 40 or below = 16

 

 

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4 minutes ago, RayRay said:

It looks like 1950 is missing from the records for Bremerton for some reason.  Likely they got to near zero that month.

Death To Warm Anomalies!

 

Winter 2021-22 stats

 

Total Snowfall = 12.5"

Day with 1" or more snow depth = 11

Total Hail = T

Coldest Low = 15

Lows 32 or below = 24

Highs 32 or below = 5

Lows 20 or below = 4

Highs 40 or below = 16

 

 

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32F and partly cloudy.

Springfield, Oregon cold season 21-22 Stats:

  • Coldest high: 35F (Dec 27, 2021)
  • Coldest low: 26F (Dec 27, 2021)
  • Days with below freezing temps: 11 (Most recent: Jan 9, 2022)
  • Days with sub-40F highs: 4 (Most recent: Dec 29, 2021)
  • Total snowfall: 10.0"
  • Last accumulating snowfall: December 28, 2021
  • Last sub-freezing high: Jan 14, 2017 (31F) *Longest streak without a sub-freezing high on record*
  • Last White Christmas: 1990
  • Significant wind events (gusts 45+): 0

Personal Stats:

  • Last accumulating snowfall: December 28, 2021
  • Last sub-freezing high: Jan 14, 2017 (31)
  • Last White Christmas: 2008
  • Total snowfall since joining TheWeatherForums: 30.7"

 

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Got to 20.8 but back up to 24.3.

My parents in Nampa have a reading less than a quarter mile away of 1 degree. Kuna, southwest of Boise, has a -6 reading. 

Home Weather Station Stats (starting Dec. 25 2021)

High - 55.2

Lowest High - 23.6

Low - 15.6

Sub 40 highs - 11

Sub-freezing highs - 5

Lows below 25 - 5

Lows below 20 - 1

2021-2022 Snowfall - 10.5''

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5 hours ago, RayRay said:

Effect not shown on the GFS or the EMWCF.

New Theory for Kitsap Green Mountain Valley Area Cooling Effect.

Predicted Temps:

GFS: 11F

EMWCF: 14F

ICON: 18F

8F avg. temp deviation from models!!!

Screen Shot 2022-01-01 at 00.52.57.png

I lived for over 50yrs where the C in Colder is at 400' and we used to get colder than airport at times.  And a couple mi north of that in the valley even colder on clear nights.

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2 minutes ago, Thurston Howell III said:

I lived for over 50yrs where the C in Colder is at 400' and we used to get colder than airport at times.  And a couple mi north of that in the valley even colder on clear nights.

There's also times when Tacoma and Olympia are 5+ degrees cooler.  In the warm months it usually has wider temp swings with really cool nights compared to other areas.  Common to be a couple degrees warmer and up to 10 degrees colder.  My place was at 400' and the ridge above is 450'+.  Also is slow to scour out.

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Very quiet today.  

Here are some various things for people to look at.  All from GFS. First one shows Sunday, Monday, Tues, Wed, Thurs for precipitation forecast.  Last images show various GFS models of predicted temps.  Dates can be seen in each respective picture.  🌃

 

 

 

Screen Shot 2022-01-02 at 12.01.09 AM.png

Screen Shot 2022-01-02 at 12.01.31 AM.png

Screen Shot 2022-01-02 at 12.01.43 AM.png

Screen Shot 2022-01-02 at 12.01.50 AM.png

Screen Shot 2022-01-02 at 12.01.59 AM.png

Screen Shot 2022-01-01 at 11.55.14 PM.png

Screen Shot 2022-01-01 at 11.55.31 PM.png

Screen Shot 2022-01-01 at 11.55.43 PM.png

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8 hours ago, NWbyNW said:

Very quiet today.  

Here are some various things for people to look at.  All from GFS. First one shows Sunday, Monday, Tues, Wed, Thurs for precipitation forecast.  Last images show various GFS models of predicted temps.  Dates can be seen in each respective picture.  🌃

 

 

 

Screen Shot 2022-01-02 at 12.01.09 AM.png

Screen Shot 2022-01-02 at 12.01.31 AM.png

Screen Shot 2022-01-02 at 12.01.43 AM.png

Screen Shot 2022-01-02 at 12.01.50 AM.png

Screen Shot 2022-01-02 at 12.01.59 AM.png

Screen Shot 2022-01-01 at 11.55.14 PM.png

Screen Shot 2022-01-01 at 11.55.31 PM.png

Screen Shot 2022-01-01 at 11.55.43 PM.png

It's not December anymore.

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