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PNW January 2023 Observations and Discussion


Requiem

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53 minutes ago, Cascadia_Wx said:

Very true. There are inland and mountain climates well to the south of us and within the western US that clobber even Pretentius Knowitallus’s backyard.

I guess I have a reputation to live up to now. I will strive not to disappoint.

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It's called clown range for a reason.

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2 minutes ago, Gradient Keeper said:

18z ICON digging southwest bit better too.

icon_mslp_pcpn_frzn_nwus_fh72_trend.gif

icon_z500_mslp_namer_fh72_trend.gif

That is trending faster... not the trend direction people in western WA would want.

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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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1 hour ago, Cold Snap said:

I’m really not that surprised this is turning out to be a dry blast because I feel like it’s been a while since one. It sucks for the Portland folks though because when they finally get a decent arctic blast it comes with little to no snow. 

This weekend's setup just isn't a big snowstorm setup for PDX. We very rarely get a sharp arctic front let alone one with enough juice for any significant snow accumulation after the front passes. IMO the top end outcome for this weekend would be 1-3 inches in PDX. More realistically it will be some snow in the air or a dusting since it will probably go dry once it is cold enough, a very familiar situation for us...

Most of the big snowstorms here come from overrunning once the cold air is already in place paired with offshore flow through the gorge. A nice BC slider can also produce good results. The late December sleet event here was very close to a significant snow storm, we had every ingredient but the top of the column was just a bit too warm. 

A good overrunning event sometime next week still seems possible at least. 

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1 hour ago, Cascadia_Wx said:

I for one am very happy to see a shot of arctic air at the tail end of January, even if it’s mostly dry. This stretch of calendar has been way overdue and in this rapidly warming climate we take what we can get.

Case in point, my lowest highs in the last 12 years for the last week of January:

39.3 25th
40.3 26th
39.5 27th
42.2 28th
44.5 29th
44.6 30th
42.3 31st
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For reference... this is where its above freezing and below freezing at 4 p.m. on Saturday per the 18Z GFS.     Precip is already done at this point from King County northward.

gfs-deterministic-washington-t2m_c-4950400.png

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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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41F and cloudy. Have I missed anything entertaining?

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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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7 minutes ago, Deweydog said:

Somebody said something about hitting a strip club.

I'm gonna go and assume it'll be one better than the ones we have down here.

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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

 

Venmo

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

My Twitter @CBBjerseys4hope

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1 minute ago, BLI snowman said:

Looks more likely that arctic air just kind of limps into the lower 48 at this point and quickly retreats. We should be thankful that we're getting anything with this fleeting block.

Even if we just get some highs below 40 and lows below 25 it would be the coldest January 29-31 period in many years.

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Summer ☀️ grows while Winter ❄️  goes

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