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December 2020 Weather Observations for the PNW


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First snow of the year! Melting quick but at least a little left. Was down south picking up a new family member. 

Beautiful morning in the Blue Mountains of eastern Oregon. It was 12F when I took these pics around 8:30am. Gotta get our winter fix somehow.

Major shift on the 12z EPS to lower heights over the West with rising heights in the SE compared to the 00z last night. Looking like a really fun mid month on through the Holidays. Perfect timing IMO!

Posted Images

9 minutes ago, Phil said:

Another Indonesia volcano popping off.

Semeru joins Lewotolok in producing 50,000ft ash clouds and pyroclastic flows.

https://www.volcanodiscovery.com/semeru/news/115113/Semeru-volcano-East-Java-Indonesia-spectacular-pyroclastic-flows.html

I'm praying for nuclear war before Christmas. 

C'mon cool summer!

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Ensemble looking good in the long range

1608163200-LOnkKBW5Kl4.png

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Springfield, Oregon cold season 20-21 Stats:

  • Coldest high: 38F (Nov 21)
  • Coldest low: 23F (Oct 26)
  • Days with below freezing temps: 50 (Most recent: Apr 14, 2021)
  • Days with sub-40F highs: 3 (Most recent: Dec 24, 2020)
  • Total snowfall: 0.0"
  • Last accumulating snowfall: February 27, 2019
  • Last sub-freezing high: Jan 14, 2017 (31F)
  • Last White Christmas: 1990
  • Significant wind events (gusts 45+): 0

Personal Stats:

  • Last accumulating snowfall: February 27, 2019
  • Last sub-freezing high: Jan 14, 2017 (31)
  • Last White Christmas: 2008
  • Total snowfall since joining TheWeatherForums: 20.7"

 

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GoFundMe "College Basketball vs Epilepsy": gf.me/u/zk3pj2

My Twitter @357jerseys4hope

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Getting some gusty NE winds and some decent waves down on the waterfront. Been blessed with a 3rd amazing sunset in a row as well. 

94BD361E-7EA2-44B0-84DC-D742E9F79811.jpeg

EBE540D6-EB0C-408B-B34D-B14BEE0393B0.jpeg

31231E0C-CD9B-49E6-8D3C-0D4AFE2FA987.jpeg

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Warm Season Stats

+80s-1

+85s-0

+90s-0

Monthly Rainfall-0.57”

Warm Season Rainfall-1.73”

Warmest high temp-80

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Just now, TheNewCulverJosh said:

Let's all enjoy the next 10 days before the hammer drops!!!  Everybody go out and buy a snowblower now!!

Missed the Kurt Russell talk earlier.  

My top 3, that I can think of right now :).

1. Overboard

2. Deathproof

3. Breakdown

Oh hell, it's really dumb but let's throw in Tango & Cash.

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10 minutes ago, TacomaWaWx said:

Getting some gusty NE winds and some decent waves down on the waterfront. Been blessed with a 3rd amazing sunset in a row as well. 

94BD361E-7EA2-44B0-84DC-D742E9F79811.jpeg

EBE540D6-EB0C-408B-B34D-B14BEE0393B0.jpeg

31231E0C-CD9B-49E6-8D3C-0D4AFE2FA987.jpeg

Wow, I was just down at Ruston two hours ago.  Just a northern light breeze then.  That really kicked up a few notches! 

7BBA7778-B440-47DC-A0EF-19E9D2AE85AF.jpeg

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1 minute ago, TheNewCulverJosh said:

Let's all enjoy the next 10 days before the hammer drops!!!  Everybody go out and buy a snowblower now!!

Missed the Kurt Russell talk earlier.  

My top 3, that I can think of right now :).

1. Overboard

2. Deathproof

3. Breakdown

I hear Kevin Martin really really liked Backdraft.

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40/33 on the day. Should finish with a -5F departure.

Springfield, Oregon cold season 20-21 Stats:

  • Coldest high: 38F (Nov 21)
  • Coldest low: 23F (Oct 26)
  • Days with below freezing temps: 50 (Most recent: Apr 14, 2021)
  • Days with sub-40F highs: 3 (Most recent: Dec 24, 2020)
  • Total snowfall: 0.0"
  • Last accumulating snowfall: February 27, 2019
  • Last sub-freezing high: Jan 14, 2017 (31F)
  • Last White Christmas: 1990
  • Significant wind events (gusts 45+): 0

Personal Stats:

  • Last accumulating snowfall: February 27, 2019
  • Last sub-freezing high: Jan 14, 2017 (31)
  • Last White Christmas: 2008
  • Total snowfall since joining TheWeatherForums: 20.7"

 

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GoFundMe "College Basketball vs Epilepsy": gf.me/u/zk3pj2

My Twitter @357jerseys4hope

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5:31 PM Pressure Gradients
Offshore gradients are ramping up fairly quickly now. For those east of I-205/western Gorge the winds will be very gusty tonight and raging by early Wednesday morning. 'Tis the Season!
 
As of 5 PM
[Gorge/Gap Gradient]
PDX-DLS: -6.3mb
TTD-DLS: -6.3mb
[Cross Cascade Gradient]
PDX-YKM: -7.7mb
PDX-MWH: -8.2mb
PDX-GEG: -8.7mb
OTH-GEG: -13.5mb
*Legend: PDX = Portland, DLS = The Dalles, TTD = Troutdale, YKM = Yakima, MWH = Moses Lake, GEG = Spokane, OTH = North Bend
A -Negative value denotes easterly/northerly flow
A +Positive value denotes westerly/onshore flow
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1 hour ago, Jginmartini said:

Wow, I was just down at Ruston two hours ago.  Just a northern light breeze then.  That really kicked up a few notches! 

7BBA7778-B440-47DC-A0EF-19E9D2AE85AF.jpeg

Offshore wind definitely kicked up this evening. 

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Warm Season Stats

+80s-1

+85s-0

+90s-0

Monthly Rainfall-0.57”

Warm Season Rainfall-1.73”

Warmest high temp-80

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Looks like a -4 departure at SLE today with a 47/29.

Snowfall                                  Precip

2020-21: 12.0"                        2020-21: 58.15"

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! 

 

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57 minutes ago, GHweatherChris said:

Steaks should not be cooked in a Sous Vide imo.

I agree, I just get them started that way and finish em on the grill. 
Even chicken, I’ll finish on the stovetop. It just cuts down on the amount I have to monitor it, while still getting the grill flavors.

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4 minutes ago, TheNewCulverJosh said:

Looks like things are flipping back to blah in the long range.

PATIENCE 

  • Snow 1
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Snowfall                                  Precip

2020-21: 12.0"                        2020-21: 58.15"

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! 

 

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3 hours ago, Rubus Leucodermis said:

Golden Ears about an hour ago. Now getting some nice alpenglow on Mt. Baker (sorry, no pic available).

golden_ears.jpg.697ac6dcad160a9acc6ce591a310d055.jpg

I’ve always wanted to know how far south you can go and still see the golden ears.

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11 minutes ago, iFred said:

I’ve always wanted to know how far south you can go and still see the golden ears.

Fred how we feeling about pinning this topic? I am forced to scroll past 3 other topics in order to find this thread and frankly I'm not sure I can keep supporting the site if this is the case.

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NWS seems to think there won't be much valley fog this week...

Snowfall                                  Precip

2020-21: 12.0"                        2020-21: 58.15"

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! 

 

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TTD-DLS gradient forecast to peak -8 to -10mb. I'm thinking we exceed that perhaps -11.8mb by 10 AM Wednesday.

As of 8 PM
[Gorge/Gap Gradient]
PDX-DLS: -8.3mb
TTD-DLS: -8.3mb
[Cross Cascade Gradient]
PDX-YKM: -10.0mb
PDX-MWH: -10.4mb
PDX-GEG: -10.5mb
OTH-GEG: -17.1mb
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9 minutes ago, DJ Droppin said:

Question. Do you like me adding the past 4 run trends, or no?

Not really, unless as Brian said there are significant trends. If its just the block moving in a little circle and ending up in about the same place then no. I would enjoy it more in the long range. lol

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Snowfall                                  Precip

2020-21: 12.0"                        2020-21: 58.15"

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! 

 

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Really chilly trough next week. 

Snowfall                                  Precip

2020-21: 12.0"                        2020-21: 58.15"

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! 

 

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