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November 2020 Weather Observations for the PNW


TigerWoodsLibido

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Happy thanksgiving folks! 

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"Let's mosey!"

 

--Cloud Strife

 

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Top 5 Snow Events (post 2014):

 

(1. January 10th, 2017: 18.5 in.

(2. February 6th, 2014: 7.5 inches

(3. February 20th, 2018: 5.0 inches

(4. February 21st, 2018: 4.0 inches

(5. December 14th, 2016: 3.5 inches

 

Honourable Mentions: December 7th, 2018, February 9th, 2019.

 

Total since joining the Weather Forums: 3"

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Looks like we got down to 43F. Mostly cloudy but dry for now.

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Springfield, Oregon regular season 2023-24 Stats:

  • Coldest high: 25F (Jan 14, 2024)
  • Coldest low: 20F (Jan 14, 2024)
  • Days with below freezing temps: 24 (Most recent: Mar 8, 2024)
  • Days with sub-40F highs: 4 (Most recent: Jan 16, 2024)
  • Total snowfall: 0.0"
  • Total ice: 2.25”
  • Last accumulating snowfall on roads: Dec 27, 2021 (1.9")
  • Last sub-freezing high: Jan 15, 2024 (27F)
  • Last White Christmas: 1990
  • Significant wind events (gusts 45+): 0

Personal Stats:

  • Last accumulating snowfall on roads: Dec 27, 2021
  • Last sub-freezing high: Jan 16, 2024 (32F)
  • Last White Christmas: 2008
  • Total snowfall since joining TheWeatherForums: 42.0"
  • Sub-freezing highs since joining TheWeatherForums: 4

 

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

My Twitter @CBBjerseys4hope

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We have pretty remarkable model agreement that heights will quickly rise over the North Central Pacific around Dec 10 thus putting us into a -PNA situation.

In the meantime the potential for a very significant inversion next week is alive and well.  We start out with a legit cold air mass just before the ridge moves in right on top of us.  Initially offshore flow looks to get pretty strong before a rapid moderation.  The initial strong offshore flow will dry the lower levels of the atmosphere which will create potential for impressive radiational cooling once things settle down.   We could easily see a highs in the 30s lows in the 20s inversion for some places.

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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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Just now, Deweydog said:

I have to watch this every year... 

Mind you this episode aired for the first time in late, great 1978.  A chilly and occasionally SNOWY winter followed!

 

’78/’79 is one of the best winters I have experienced. Two winters prior, I had moved to the southern Rockies, and got to hear the stories from the kids in town of how much snow could fall if conditions were right. For the first two winters, conditions generally were not right, though there were a couple of “interesting” early and late-season events* that pointed to how “interesting” midwinter could be.

Then comes ’78/’79, with three significant upslope snowstorms. I remember the first one. The snow started absolutely dumping in the early morning, like it does at the very peak of a vigorous snow shower, but simply kept on dumping for the rest of the day. It was magic watching the landscape get transformed. Then after the snow is done the cold air comes in and drops the temperatures into the -20’s. And that happened three times that winter.

* The year that in the week before Thanksgiving, a vigorous early-season cold front sweeps in, dumps a quick 9" of snow, and drops temperatures into the -20s in November. Then the year with a total dud of a winter, no snowfall over 3"… until May 2nd, when 8-10" of wet glop causes utter chaos. To make that better, one of the newcomer kids that liked to tease me called me nuts when I said it looked like snow that day: “You idiot, everyone knows it can’t snow in May.”

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It's called clown range for a reason.

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19 minutes ago, Rubus Leucodermis said:

’78/’79 is one of the best winters I have experienced. Two winters prior, I had moved to the southern Rockies, and got to hear the stories from the kids in town of how much snow could fall if conditions were right. For the first two winters, conditions generally were not right, though there were a couple of “interesting” early and late-season events* that pointed to how “interesting” midwinter could be.

Then comes ’78/’79, with three significant upslope snowstorms. I remember the first one. The snow started absolutely dumping in the early morning, like it does at the very peak of a vigorous snow shower, but simply kept on dumping for the rest of the day. It was magic watching the landscape get transformed. Then after the snow is done the cold air comes in and drops the temperatures into the -20’s. And that happened three times that winter.

* The year that in the week before Thanksgiving, a vigorous early-season cold front sweeps in, dumps a quick 9" of snow, and drops temperatures into the -20s in November. Then the year with a total dud of a winter, no snowfall over 3"… until May 2nd, when 8-10" of wet glop causes utter chaos. To make that better, one of the newcomer kids that liked to tease me called me nuts when I said it looked like snow that day: “You idiot, everyone knows it can’t snow in May.”

New Mexico or Colorado?

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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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8 minutes ago, Jginmartini said:

Lol! Gotta love LESS NESSMAN ! 

Loved WKRP!! 
Happy Thanksgiving everyone! 
Currently 43 degrees and cloudy. Had a little drizzle earlier. 

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Elevation 580’ Location a few miles east of I-5 on the Snohomish Co side of the Snohomish/Skagit border. I love snow/cold AND sun/warmth! 

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10 hours ago, GHweatherChris said:

About as right as a childhood growing up at Stampede Pass.

At least I’m not obese. 🙂

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6 minutes ago, Brian_in_Leavenworth said:

Once again some possibilities in the long run of the EPS.

 

880002201_14-kmEPSGlobalNorthAmerica500hPaHeightAnom.gif

I suppose you could call that a retrogression.

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3 minutes ago, GHweatherChris said:

Hey, neither am I, we do have something in common!!

Glad you turned your life around!

Happy thanksgiving brotha.

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3 minutes ago, Brian_in_Leavenworth said:
 
 
r1lDOeOr_x96.jpg
 
Starting to see some early indicators for stratospheric warming event igniting over Siberia/Eurasia at the tail end of the GFS run.
 
image.png.17da6788bd8f62052e6e6cff4699d578.png

This +WPO/+PNA pattern may suck regionally, but it has longer term benefits too re: wave driving/PV weakening.

Get that vortex weak ahead of the return to favorable tropical forcing for PNW, and that cold will spill right in, unshackled.

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Especially since it’s La Niña and we know the low pass signal favors western troughing as IPWP forcing becomes more favorable with time (as wavelengths increase).

Makes sense that some of the better midwinter patterns out there were preceded by warmer conditions in late fall/early winter. These +WPO/+PNA patterns often correlate to significant wave driving thru NPAC and when forcing becomes more favorable again... ☃️

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The EPS continues to like the idea of rapid height rises over the NC Pacific in the Dec 8 to Dec 10 time frame.  In the meantime we should see well below normal temps next week thanks to the inversion.

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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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When I lived down on the valley floor in Silverton we had a white Christmas in 1990, 2007, and 2008.

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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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