David Gold @dgoldweather

Atmospheric Scientist/AI Professional/Certified Consulting Meteorologist gsdmsolutions.com Joined June 2026

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David Gold @dgoldweather

2 hours ago

@bsidella Beyond the middle of next week we may see the pattern shift west with ridge and heat back in the interior west and renewed cooling trends in the Great Lakes/Midwest/Plains.

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A massive - nearly 4 Hadleys- negative AAM tendency is computed in the latest update with contributions from torques in both hemispheres. Eddy transports should give the NPAC jet another boost followed by retraction and increasing risk for a deep western or northwestern trough aloft by the end of June. The GWO is now solidly in phase 1. This negative tendency is in the top percentile of all negative events!

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David Gold @dgoldweather

2 hours ago

Wavier jet streams with preference for upper level trough over northwestern U.S. and SW Canada and downstream ridge aloft and heat over Midwest. Enhanced intense severe weather risks northern high plains into the southern Canadian prairies and upper Midwest by next weekend into the early part of following week. Wind and dryness greatly exacerbating western U.S. fire risks.

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David Gold @dgoldweather

3 hours ago

@BigJoeBastardi Ha! I think I may have been at my strongest then, too ;)

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David Gold @dgoldweather

5 hours ago

@GumryWX I’ll be at a Rush concert. Might chase this weekend up north. We will see.

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David Gold @dgoldweather

5 hours ago

@webberweather At the risk of oversimplifying, this looks like an “old school” GWO 8-1 model dropout case

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David Gold @dgoldweather

8 hours ago

@project_otus This should be the cover picture for the chapter on roughness length in a turbulence book!

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David Gold @dgoldweather

22 hours ago

Cross-validated GSDM-augmented ensemble constructed analog forecasts are now up on the Forecasts page at gsdmsolutions.com. The skill is quite modest at subseasonal leads but some of the forecasts from early June seemed to suggest a western trough for end of June which seems increasingly likely for a time. Attribution, ensemble spread, die-off curves and linear GSDM contributions all displayed. This is only the first model to be deployed. I have bigger plans…

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David Gold @dgoldweather

a day ago

Yup. Similar strong negative tendency events occurred multiple times in 2015 and 1997. In fact the mid-April and mid-November 2015 events as well as the mid November 1997 event all rivaled or exceeded this one. I think it’s a case of the higher it rises, the harder it falls. However, we should see higher highs and higher lows going forward as would be expected in an emergent strong El Niño.

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David Gold @dgoldweather

2 days ago

@chutewoman @JimWindweather It means that processes are acting to deplete westerly momentum at a massive rate - this usually manifests as a weakening and/or collapse/retraction of the “primary” jet stream in one or both hemispheres, to grossly simplify things.

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David Gold @dgoldweather

2 days ago

@tornadopaigeyy @BryceShelton01 @MaxVelocityWX @WxFront @NWSGoodland Yikes!

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David Gold @dgoldweather

2 days ago

@gmrpetricca Looks great! WAF is very useful for tracing Rossby wave energy flows!

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David Gold @dgoldweather

2 days ago

@a_guidarelli You are very smart. Wonder if there’s a distant structure view worth having way out ahead of the haboob?

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David Gold @dgoldweather

2 days ago

@FORSYTHE_WX Goodness!!

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David Gold @dgoldweather

2 days ago

@RyanWeather Thank you so very much, Ryan!!

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David Gold @dgoldweather

2 days ago

Quite a few chasers trying to get into a position where they can catch glimpses into dust-clogged maw of this nearly anchored beast with highly deviant embedded mesocyclones. So far a lost side windshield for one chaser and blown into a ditch for another. This is pretty fraught.