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Pacific Northwest Weather - May 2023


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81 in North Bend and 80 here... dewpoint still in the low 60s today.    It stayed cloudy until about 11 a.m. but that did not keep the temperature any lower this afternoon compared to yesterday.   

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

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51 minutes ago, TT-SEA said:

In early June last year I posted a pic of the prominent big leaf maple by our garden which is mature and very large tree and said it was not right and did not fill out as full as it usually gets.   The same thing happened to our red leaf maples that we have planted in our yard.   They looked sort of sparse all summer last year.    They all look normal now and very full.  You can't see through them like we could last summer.    I am not sure why this happened and why they are back to normal now... but the smoking gun seems to be the backwards spring last year.    We got warm in late March and early April and they started leafing out and then it was cold and wet into June.    This year it stayed cold enough for the leaf out to be delayed and they did much better with a spring that started cold and ended up warm.    

Just a theory... but I can't think of any other way to explain it.  

Anthracnose fungus. Loves cool/wet springs and results in stunted green leaves that eventually drop either fully green or after shriveling up. After which the tree will put out a new crop of leaves to replace them. Sycamores are affected the worst but maples can be as well.

This spring was the first one in a long time with no hint of anthracnose here. It was so warm/dry that it just couldn’t take hold. Usually we have an annual “green leaf drop” in May because of it, but not this time.

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2 minutes ago, Phil said:

Anthracnose fungus. Loves cool/wet springs and results in stunted green leaves that eventually drop either fully green or after shriveling up. After which the tree will put out a new crop of leaves to replace them. Sycamores are affected the worst but maples can be as well.

This spring was the first one in a long time with no hint of anthracnose here. It was so warm/dry that it just couldn’t take hold. Usually we have an annual “green leaf drop” in May because of it, but not this time.

But our big leaf maple and red leaf maples did not drop leaves and put out a new crop last summer... they just stayed rather sparse looking right into the fall.   And then hung onto to their leaves into December and finally dropped them on top of snow cover.  

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

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5 minutes ago, Omegaraptor said:

hottestmayweeks.png.e66efe9dc0f3950ba5d729818c0fef15.png

 

Hottest May weeks on record at PDX.

Pretty toasty back in May 1938 as well. 

Just looked up that year... it barely rained at all in this area until September after that warm spell in May.

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

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7 minutes ago, TT-SEA said:

But our big leaf maple and red leaf maples did not drop leaves and put out a new crop last summer... they just stayed rather sparse looking right into the fall.   And then hung onto to their leaves into December and finally dropped them on top of snow cover.  

They kept their leaves through November? I think had our 2nd coldest November on record with quite a bit of snow, the leaves dropped in 3-4 days. Was super weird, but reminded me of when I lived in Oklahoma. 

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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6 minutes ago, SilverFallsAndrew said:

They kept their leaves through November? I think had our 2nd coldest November on record with quite a bit of snow, the leaves dropped in 3-4 days. Was super weird, but reminded me of when I lived in Oklahoma. 

Big leaf maple did not go bare until late November... red leaf maples went bare after we had snow on the ground.   I posted a pic of it back in December.   Very strange.   But last November was quite a bit warmer in my area thanks to offshore flow.

This was in early December...

20221130_115439.jpg

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

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19 minutes ago, TT-SEA said:

But our big leaf maple and red leaf maples did not drop leaves and put out a new crop last summer... they just stayed rather sparse looking right into the fall.   And then hung onto to their leaves into December and finally dropped them on top of snow cover.  

It it hits hard enough it can prevent the leaves from germinating altogether. But if your trees aren’t replacing the blighted leaves/buds then either they are in poor health, or your soil is lacking nitrogen.

Can you post a picture? 

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Just now, Phil said:

It it hits hard enough it can prevent the leaves from germinating altogether. But if your trees aren’t replacing the blighted leaves then either they are unhealthy or your soil is lacking nitrogen.

Can you post a picture? 

Pic of the big leaf maple?    It looks as healthy as ever right now.   And the leaves were green last summer... but smaller than usual which meant it did not look as full.   You could see through it and that is never the case in the summer.

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

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23 minutes ago, Omegaraptor said:

hottestmayweeks.png.e66efe9dc0f3950ba5d729818c0fef15.png

 

Hottest May weeks on record at PDX.

It's not quite June 2021 level, but it's probably reasonable to say that a week like this in May has likely not happened since the MWP. There is really no analog.

Just looked at the data for this month 5 days above 90 this year crazy. Interestingly May 1983 did not have one 90 degree day but had a 100 degree day.

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Top pic is from last June... almost a full month later than now and in summer.    Bottom pic is right now.    It looks much more normal now than it ever did last summer.   And it appears to be still filling now in response to all the warm weather recently.

Screenshot_20230519-161121_Gallery.jpg

20230519_161300.jpg

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

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4 minutes ago, High Desert Mat? said:

This is the hardest I’ve ever seen it rain. I just recorded .56” of rain in the last 6 minutes with a a rain rate of 7.11 in/hr. Insane downpour with abundant lightning. 

Forgot to mention 88.4 degrees with a dew point of 65. 87% humidity. Nice and sticky eh Phil?

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14 minutes ago, High Desert Mat? said:

This is the hardest I’ve ever seen it rain. I just recorded .56” of rain in the last 6 minutes with a a rain rate of 7.11 in/hr. Insane downpour with abundant lightning. 

At least I’m enjoying watching the  storms blooming on the west side of the Cascades. 

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20 minutes ago, High Desert Mat? said:

Forgot to mention 88.4 degrees with a dew point of 65. 87% humidity. Nice and sticky eh Phil?

Haha. That’s actually stickier than anything we’ve had so far this year! Though that would be a cool/dry day here by July standards. 😆 

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Prineville Reservoir in Central

Oregon is now 100% full. Fantastic news. 

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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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2 hours ago, TT-SEA said:

81 in North Bend and 80 here... dewpoint still in the low 60s today.    It stayed cloudy until about 11 a.m. but that did not keep the temperature any lower this afternoon compared to yesterday.   

Southern California is under the curse of 2023 again. The evil weather pattern began after last Christmas. 

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2 hours ago, TT-SEA said:

Here is the message we got from the HOA:

As some of you may have noticed, there are a considerable number of dead and dying Hemlock trees in our neighborhood. This is evidenced by branches containing nothing but dead (orange) needles advancing from the ground up. This is due to a foliar disease affecting mostly Hemlock that is likely caused by recent drought conditions. The Forest Management Committee is aware of this situation and have arranged to have state Department of Natural Resources forest pathologists do an on-site visit to our neighborhood in June. Below is a link with the latest, pertinent information regarding this die off.
If you have an affected tree that you feel presents a danger to yourselves and/or your property, by all means remove it. Other affected trees that pose no imminent danger can be left standing for the visiting experts to observe and advise us on.
If you’re not sure a tree is affected, or you have any other questions forest related, reach out to myself or the other FMC members and we’d be more than happy to assist you.

There's dying jacarandas in California since it's been so cold there this year. 

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Anthony thinks there could be thunderstorms tonight.

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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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2 minutes ago, lowlandsnow said:

What weather stations have the longest period of record in the Pacific Northwest?

Downtown Portland goes back to the 1870s, Salem goes back to 1892.

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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Goodbye crappy Junipers! Was a fun day off and I now have a heck of a farmers tan as well! Not sure what I am putting in there yet but it’s nice to be able to see the veggie garden from the house. 

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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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56 minutes ago, MossMan said:

Goodbye crappy Junipers! Was a fun day off and I now have a heck of a farmers tan as well! Not sure what I am putting in there yet but it’s nice to be able to see the veggie garden from the house. 

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Have you decapitated Phil yet?

FWIW if crape myrtle grows in your climate zone that’s what I’d put there. Or flowering dogwood.

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35 minutes ago, Phil said:

Have you decapitated Phil yet?

FWIW if crape myrtle grows in your climate zone that’s what I’d put there. Or flowering dogwood.

I just don’t have the heart to finish off Phil…Yet…

Thanks for the suggestions!! 

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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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image.png

The accas party could last into the afternoon according to the NAM.

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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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