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2025-2026 ENSO


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7 minutes ago, TheClimateChanger said:

True, but a very impressive heat wave is ongoing now.  Phoenix has set two record highs already this month, including 116F yesterday, which was just 1F shy of the all-time monthly record. The low of 94F this morning was also one shy of the monthly record high minimum. Today is forecast to reach 117F which would match the August monthly record high.

True, that is some very impressive heat out there now!

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43 minutes ago, Stormchaserchuck1 said:

This Summer has been significantly cooler in the Southwest, US. Last year Phoenix was breaking records by >+2F, and the roll forward of those very warm analogs had a +PNA in Dec-Jan.. It was a good indicator. But we don't have that this year. 

Probably some -NAO/PNA early, +NAO/PNA in February with more blocking in March. I'll be looking at the extra tropical Pacific late this month when I return from Africa.

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58 minutes ago, Stormchaserchuck1 said:

Also a strong Gulf of Alaska High pressure has been there June-July

1-72.gif

Analogs

3aa-14.png

US Temp pattern of analogs

3AAA-5.png

For some reason I can never see your images. It's always just something like "3aa-14.png". Does anybody else have this problem?

I don't comment much, but I always appreciate reading all your comments as well as everyone else's. 

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8 minutes ago, BlizzardWx said:

For some reason I can never see your images. It's always just something like "3aa-14.png". Does anybody else have this problem?

I don't comment much, but I always appreciate reading all your comments as well as everyone else's. 

Thanks for telling me, I ran out of attachment space on this board, and have been uploading them through imagebb. Maybe another image upload site will work for you? Tell me if this works. 

Also a strong Gulf of Alaska High pressure has been there June-July

1-72.gif%5B

Analogs

3aa-14.png

US Temp pattern of analogs

3AAA-5.png

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6 minutes ago, Stormchaserchuck1 said:

Thanks for telling me, I ran out of attachment space on this board, and have been uploading them through imagebb. Maybe another image upload site will work for you? Tell me if this works. 

Also a strong Gulf of Alaska High pressure has been there June-July

1-72.gif%5B

Analogs

3aa-14.png

US Temp pattern of analogs

3AAA-5.png

Yeah I can see those. Thanks!

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1 minute ago, PhiEaglesfan712 said:

I hope we get a good blocking pattern in November/December. The pattern that's in place early in a -ENSO/-PDO winter usually sets the tone for that winter. If we don't get a good blocking pattern early, the winter is toast.

2021-2022 ended up okay for most, but more often than not you are right.

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2021-2022 ended up okay for most, but more often than not you are right.

Agree. There are obviously exceptions to every rule but in general he’s correct. -ENSO/-PDO winters that don’t do well in November and December are *usually* abysmal
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2 hours ago, Stormchaserchuck1 said:

True, that is some very impressive heat out there now!

August has grown hotter and drier in Phoenix. It is also warmer than July was in the past.  That includes extreme heat. August 2020-2025 has had more high temperatures of 115 or above than the entire August 1895-2019 period.

This year’s monsoon season is also off to a dismal start in the Phoenix area.

image.jpeg.0747871ff27febdcef9a2aa4e07b4f36.jpeg

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1 hour ago, PhiEaglesfan712 said:

I hope we get a good blocking pattern in November/December. The pattern that's in place early in a -ENSO/-PDO winter usually sets the tone for that winter. If we don't get a good blocking pattern early, the winter is toast.

Many la ninas have historically had great Decembers (at least here). But results are then mixed as to whether or not it carried thru to the rest of winter.

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3 hours ago, Stormchaserchuck1 said:

This Summer has been significantly cooler in the Southwest, US. Last year Phoenix was breaking records by >+2F, and the roll forward of those very warm analogs had a +PNA in Dec-Jan.. It was a good indicator. But we don't have that this year. 

I heard it was the coldest summer in parts of coastal California in over 50 years. Didn't look up any numbers tho

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although the PDO is exceedingly negative right now and must be accounted for in winter forecasts, I wouldn't lose tooooo much sleep over it given the anticipated -EPO pattern, especially in Dec/Jan. we could very easily see behavior similar to last year where it ended up closer to neutral as the winter went on... we're likely going to see a bounce upwards with the way SSTs are behaving right now

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5 hours ago, Stormchaserchuck1 said:

Because of shortened wavelengths in the mid Summer, July has a +temp correlation with +PNA from ATL to NYC

1-71.gif

The tendency has been more +PNA in July since 2013 with a strong 500 mb ridge in the East. Prior to this recent decade we usually had more of a -PNA when there was a strong ridge in the East. Have also been seeing more ridging in the East during the winters in the 2020s with + PNAs than we used to in the past. 
 

IMG_4349.png.960793957173cf7bbdbde1754125b103.png

IMG_4348.png.bdfef11125cd88c3698d9e68c486e93c.png

 

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28 minutes ago, bluewave said:

The tendency has been more +PNA in July since 2013 with a strong 500 mb ridge in the East. Prior to this recent decade we usually had more of a -PNA when there was a strong ridge in the East. Have also been seeing more ridging in the East during the winters in the 2020s with + PNAs than we used to in the past. 

The 73-year average for PNA in July is a +0.2 temp correlation from ATL to NYC in +PNA vs -PNA, all data included. 

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