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May Weather in the Pacific Northwest


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The big question is...how dead will this group get over the summer? Last year I believe it was July that had the fewest posts. Also, going to take this moment to thank the folks here that are a helluva lot smarter than I will ever be when it comes to understanding both the overall global situation as well as our microclimates here. You make every single one of my days better, whether I'm having seizures or not.

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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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I ran the numbers..since April 29th of 2013, Baffin Island in Northeast Canada has been under lower than average 500mb heights on ~ 81% of days (1,478 of 1,825 days).

 

Holy freaking crap. That’s insanity!

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I ran the numbers..since April 29th of 2013, Baffin Island in Northeast Canada has been under lower than average 500mb heights on ~ 81% of days (1,478 of 1,825 days).

 

Holy freaking crap. That’s insanity!

 

So is that due to change soon? Or is it a new global trend that seemingly won't go away? Really hope it does because it feels like that vortex up there constantly screws up our chances to score arctic blasts.

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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So is that due to change soon? Or is it a new global trend that seemingly won't go away? Really hope it does because it feels like that vortex up there constantly screws up our chances to score arctic blasts.

Yes, it will change. It was absent for most of 2008-12, so it’s not semi-permanent.

 

And yes, that pattern hurts you guys bigly during the winter season.

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It’s cloudy!

 

Clouds breaking up here nicely. 

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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Perfect spring forecast imo.

 

post-7-0-07877700-1525195783_thumb.png

 

Still some clouds to erode away out there. 

 

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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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Happy New Month! May should start out warmer than average but then I see a big flip to below normal temperatures around mid month. Whether that will be enough to put the PNW below normal for the whole month remains to be seen. I'm still crunching the May numbers for the contest.

 

Brian's contest? 

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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New ECMWF weeklies released yesterday show a deep trough for about a week around mid-month but it returns to ridging after that for the rest of the month.  

 

Overall... its quite ridgy for the next 6 weeks.

**REPORTED CONDITIONS AND ANOMALIES ARE NOT MEANT TO IMPLY ANYTHING ON A REGIONAL LEVEL UNLESS SPECIFICALLY STATED**

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New ECMWF weeklies released yesterday show a deep trough for about a week around mid-month but it returns to ridging after that for the rest of the month.

 

Overall... its quite ridgy for the next 6 weeks.

The mean is ridgy after 5/20, but the majority of the ensemble members are actually troughy at that point. It’s just that there are some very high amplitude ridgy members skewing the mean that way.

 

In other words ridgy mean, troughy median.

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The mean is ridgy after 5/20, but the majority of the ensemble members are actually troughy at that point. It’s just that there are some very high amplitude ridgy members skewing the mean that way.

 

In other words ridgy mean, troughy median.

 

My bet is on a deep mid-month trough and then pleasant but not hot weather after that... going into June as well.  

**REPORTED CONDITIONS AND ANOMALIES ARE NOT MEANT TO IMPLY ANYTHING ON A REGIONAL LEVEL UNLESS SPECIFICALLY STATED**

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I’m gonna miss winter. The sound of the AC running is depressing. And knowing it will stay running until October is depressing as f**k.

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Slowly but surely getting more sun breaks out there.

 

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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That three day heat wave in April really ruined the entire months negative departure for Seattle. Without it the month would have been a couple degrees below normal. Instead it was 1deg above normal overall and right at normal for the average high. Almost all of the days in April had below normal highs.

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That three day heat wave in April really ruined the entire months negative departure for Seattle. Without it the month would have been a couple degrees below normal. Instead it was 1deg above normal overall and right at normal for the average high. Almost all of the days in April had below normal highs.

This is incorrect. Over half the days in April were at or above normal at SEA.

**REPORTED CONDITIONS AND ANOMALIES ARE NOT MEANT TO IMPLY ANYTHING ON A REGIONAL LEVEL UNLESS SPECIFICALLY STATED**

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Definitely seeing some progress toward a more interesting pattern on the 18z ensembles.

Yeah... we really need stormy, rainy weather. The low 70s coming up will be a nightmare. Hopefully we can get past it quickly! :)

**REPORTED CONDITIONS AND ANOMALIES ARE NOT MEANT TO IMPLY ANYTHING ON A REGIONAL LEVEL UNLESS SPECIFICALLY STATED**

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Man...

Always wishing away our nice weather and wanting to get to stormy weather as soon as possible.

 

Even in May.

 

Man...   :rolleyes:

**REPORTED CONDITIONS AND ANOMALIES ARE NOT MEANT TO IMPLY ANYTHING ON A REGIONAL LEVEL UNLESS SPECIFICALLY STATED**

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Always wishing away our nice weather and wanting to get to stormy weather as soon as possible.

 

Even in May.

 

Man... :rolleyes:

Some convection or late season mountain snowfall would be fun at some point. I hope I am not arrested for having the wrong opinion.  :unsure:

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Yeah... we really need stormy, rainy weather. The low 70s coming up will be a nightmare. Hopefully we can get past it quickly! :)

Wanna switch houses for the next 5 months?

 

Clouds of mosquitoes and a UV index of 12 today. Your definition of heaven!

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Are you talking highs or overall temp?

 

Departure from normal each day.   Over half the days were above normal at SEA in April.  

**REPORTED CONDITIONS AND ANOMALIES ARE NOT MEANT TO IMPLY ANYTHING ON A REGIONAL LEVEL UNLESS SPECIFICALLY STATED**

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Yeah, from what I can tell you were just talking about highs.

. Correct. The warm lows have ruined SEA overall temps to the point I feel you can’t even compare to past overall temps anymore. I wonder how Olympia or Seattle WFO did last month.
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. Correct. The warm lows have ruined SEA overall temps to the point I feel you can’t even compare to past overall temps anymore. I wonder how Olympia or Seattle WFO did last month.

 

Lots and lots of rain.   

 

3rd wettest April ever.    ;)

**REPORTED CONDITIONS AND ANOMALIES ARE NOT MEANT TO IMPLY ANYTHING ON A REGIONAL LEVEL UNLESS SPECIFICALLY STATED**

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. True the rain did really help keep the high temps down.

 

And the lows up.  

 

I am sure other stations in the area were similar with warm lows thanks to so many nights with clouds and often with rain.  

**REPORTED CONDITIONS AND ANOMALIES ARE NOT MEANT TO IMPLY ANYTHING ON A REGIONAL LEVEL UNLESS SPECIFICALLY STATED**

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