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PNW October 2021, Pumpkin Spice Edition


The Blob

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6 minutes ago, snow_wizard said:

It's just more representative of the low temps seen for much of the Central Puget Sound region.

I would assume it's more south since it's closer to OLM but I can see the reasoning behind this. Want to get a station as close as possible to Central Sound. 

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3 minutes ago, snow_wizard said:

I think that means the max wind for the entire run.  Hard to believe it would end up that low though.

@RentonHillTC  @snow_wizardThat means the max wind speeds for each location. It is a quick way to get a general gauge of top wind speeds for the general region for that specific run

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10 minutes ago, Cloud said:

I would assume it's more south since it's closer to OLM but I can see the reasoning behind this. Want to get a station as close as possible to Central Sound. 

The problem is the official Central Sound stations are mostly UHI or Puget Sound moderated.  From what I have seen the McChord temps better represent the EPSL.

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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, RentonHillTC said:

It’s euro time !! Where are the reports from the sober folks??

Ehhh... I'm off the wagon. 

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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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1 minute ago, snow_wizard said:

The problem is the official Central Sound stations are mostly UHI or Puget Sound moderated.  From what I have seen the McChord temps better represent the EPSL.

Yeah, I completely agree with the UHI aspect. I would say that the Puyallup/Bonney Lake areas are also good representation of EPSL and Central Sound but these areas have been developed way too much in recent years. 

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1.23"

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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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1 hour ago, snow_wizard said:

I'm just not into the windstorm possibility.  I kind of like baroclinic bands / AR events because they often lead to cold weather.

As for the possible windstorm...I just don't see it.  If a low were to come into picture pinwheeling around the parent low I would be worried, but it isn't there.  Lows like the one being shown just don't track that close to the coast in all but a handful of rare situations.  Amazingly two managed to do it in January 1880 and the results were amazing as we all know.

Andrew likes zonal flow, dude.

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Just now, Phil said:

Andrew likes zonal flow, dude.

YES! THIS!

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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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42 minutes ago, TT-SEA said:

Not a bullet... typically they use paper, wood, or plastic in blanks.    But its still shooting a projectile which can cause injury or death. 

https://en.wikipedia.org/wiki/Blank_(cartridge)

Oh.... about this since I mentioned bullet in my previous post. 

"In 1993, Brandon Lee, 28, son of the late martial-arts star Bruce Lee, died after being hit by a .44-caliber slug while filming a death scene for the movie "The Crow." The gun was supposed to have fired a blank, but an autopsy turned up a bullet lodged near his spine."

 

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Bullets are pretty bad for you...

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Weather stats for MBY

Snowfall:

-Total snowfall since joining: 50.25"

-2018-19: 21"

-2019-20: 2.5"

-2020-21: 13"

-2021-22: 8.75"

-2022-23: 5.75"

-2023-24*: 0.25"

-Most recent snowfall: 0.25”; January 17th, 2024

-Largest snowfall (single storm): 8.5"; February 12-13, 2021

-Largest snow depth: 14"; 1:30am February 12th, 2019

Temperatures:

-Warmest: 109F; June 28th, 2021

-Coldest: 13F; December 27th, 2021

-Phreeze Count 2023-24: 31

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EC still has the storm heading up to northern Vancouver Island and not doing much of anything here besides rain.

EC PNW Multi-Parameter.png

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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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53F with steady rain.

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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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Been working the Eastside all night. It has been pretty wet. The drying winds must have been confined to the foothill areas.

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Mercer Island, 350 ft

2021-2022: 11.6", 02/21

2020-2021: 15.6"

2019-2020: ~10"

2018-2019 winter snowfall total: 29.5"

2017-2018: 9.0", 2016-2017: 14.0"

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EC ensemble low locations.

Not many impacts locally with this setup. Too far NW.

640DAE5D-8878-49EB-87D8-5BA8F914D835.png

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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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26 minutes ago, Deweydog said:

Placement of the low isn’t as important as looking at the nature of the system.  This is a displaced maritime polar vortex and associated surface low. Our traditional windstorms are typically associated with open waves which feature strong jet support and associated backside pressure rises.

Yeah, all the major wind storms we see a strong wave/developing low cross 40 N, 130 W and high pressure building into northern CA which "chases" the low as it moves northward.

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47 minutes ago, Deweydog said:

Placement of the low isn’t as important as looking at the nature of the system.  This is a displaced maritime polar vortex and associated surface low. Our traditional windstorms are typically associated with open waves which feature strong jet support and associated backside pressure rises.

Yeah, pressure surges are often integral to vertical momentum transfer, especially in the absence of in-situ BL instability/strong diurnal heating.

Almost all of the high wind events I can recall here featured sharp pressure surges (with mixing further aided by downsloping and CAA).

In the PNW region, I assume those latter two factors are missing from the equation (in a southerly wind event), increasing the importance of pressure rises aiding momentum transfer what is probably a relatively stable BL in most cases?

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Wow…some of the weekly EPS ensemble members get astonishingly cold in mid/late November. Pacific gets completely blocked up, as does the Atlantic/Arctic, culminating in a series of arctic highs plowing into the west-central US.

Then of course, there are Andrew flavored members as well, with mild Pacific flow torching the country. Lol.

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1 minute ago, Phil said:

Wow…some of the weekly EPS ensemble members get astonishingly cold in mid/late November. Pacific gets completely blocked up, as does the Atlantic/Arctic, culminating in a series of arctic highs plowing into the west-central US.

Then of course, there are Andrew flavored members as well, with mild Pacific flow torching the country. Lol.

Fastest Why Not Both Meme Gif

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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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This is the hr936 EPS mean. Cherry picked timeframe but…dayuum that’s an arctic express pattern if I’ve ever seen one.

Giant horseshoe block from AK/Aleutians to Greenland.

C2A596A7-EB1B-40B2-BB0F-74C9DD1F520B.png

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1 minute ago, DJ Droppin said:

Looks like November 1955/1985. C'MON!!!!

Late November is a locked and loaded timeframe here too. Something brewing?

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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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Opposite of that 2013-18 baffin island death vortex pattern.

Solid signal for almost 1000hrs out. :lol: 

46A0F2FF-CD06-4797-8D8E-E01D50D45E76.png

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