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PNW January 2023 Observations and Discussion


Requiem

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41 minutes ago, RentonHill said:

Tonga

Speaking of Tonga, the stratosphere is still loaded with H2O. Crazy stuff.Β At least we’ll get to test whether the climate catastrophists are correct with their doomsday H2O feedback loop. :lol:Β 

Well…technically this is stratospheric H2O, where as the apocalyptic climate scenarios arise through H2O/lapse rate feedback in the upper troposphere. So it’s not actually testing that theory in its entirety.

But there still should be a statistically significant radiative forcing from the added H2O. We’ll see!

DCD94214-8C5F-4EA9-94D8-61696FB1D67F.jpeg

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Not sure if this was posted already, but it's worth noting that tonight's 00z GFS ensemble has a pretty significant amount of extremely snowy members for both Portland and Seattle. This is a dramatic increase from last nights 00z and today's 12z. I suspect there will finally be some solid GFS runs tomorrow.

Β 

gfs-ensemble-all-KSEA-indiv_snow-4432000.png

gfs-ensemble-all-KPDX-indiv_snow-4432000.png

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JMA, ICON, CFS ensemble, and CFS control are all cold.Β  The GFS is the only outlier.

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Death To Warm Anomalies!

Β 

Winter 2023-24 stats

Β 

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

Β 

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Managed to clock in a freeze for the day yesterday right before midnight. Warmed back up to 33.4 now.

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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 - 48

Sub-40 highs - 12

Highs 32 or lower - 3

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Down to 31F for another freeze.

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Springfield, Oregon regular season 2023-24 Stats:

  • Coldest high: 25F (JanΒ 14, 2024)
  • Coldest low: 20F (JanΒ 14, 2024)
  • Days with below freezing temps: 24Β (Most recent: Mar 8, 2024)
  • Days with sub-40F highs: 4Β (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, 2024Β (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

Β 

Venmo

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

My Twitter @CBBjerseys4hope

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Another frosty morning. 🫠

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SnowfallΒ  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Precip

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

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

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

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

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

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

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

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

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

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

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

Β 

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SLE down to a +2.3 departure. Wouldn’t take much of an arctic blast to wipe that out. 😜

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SnowfallΒ  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Precip

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

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

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

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

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

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

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

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

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

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

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

Β 

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2 minutes ago, SilverFallsAndrew said:

SLE down to a +2.3 departure. Wouldn’t take much of an arctic blast to wipe that out. 😜

Yeah…IIRC we’re +2.8F in Tacoma. This month will likely still end above average but not nearly as much as I thought it would. We will see if the stuff towards the end of the month really works out or not.Β 

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1 minute ago, Gradient Keeper said:

Nice tidbit from Seattle NWS

There is also growing chances for 
strong Fraser Outflow Saturday and Sunday as the cold front pushes 
south through the area with high pressure over eastern BC and 
Alberta. 

Really not that far out now. Pretty much a lock for a colder than normal pattern coming up starting this weekend but will it snow and kold?!Β 

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7 minutes ago, ShawniganLake said:

F00EF434-DF3A-4DC9-B360-51555CA3782E.png

Look at all them dawgs.Β 

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SnowfallΒ  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Precip

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

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

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

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

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

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

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

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

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

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

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

Β 

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Low clouds in the valley.Β 

5F7DC743-E925-477B-AB61-B5FE4D013ECD.jpeg

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SnowfallΒ  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Precip

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

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

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

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

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

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

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

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

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

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

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

Β 

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29F and frosty.

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Garfield County/Pomeroy, WA:

2023-2024 Snowfall totals: 14.3 inches

HIghest snow total (per event): 5.8 inches total 1/11/24 - 1/12/24.

Most recent accumulation (non trace): 0.20 inches on 2/26/24

Days withΒ  trace or more snowfall: 12/01/23 (0.60), 1/8/24 (1.0), 1/10/24 (3.5), 1/11/23 (3.5 inches with Thundersnow; separate event from prior day), 1/12/24 (2.30). 1/14/24 (T), 1/17/24 (1.20 inches), 1/18/24 (1.5 inches), 1/19/24 (0.20), 2/09/24 (0.30), 2/26/24 (0.20-mainly graupel)

First Freeze: 10/27/2023

Last Sub freezing Day: 1/20/24 (12th) (8 days in a row from 1/12/24-1/20/24)

Coldest low: -12F (!!!!!!!!) (1/12/24)

Last White Christmas: 2022 at my location (on ground)

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Icon is rock solid.Β 

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SnowfallΒ  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Β  Precip

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

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

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

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

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

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

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

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

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

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

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

Β 

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