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112 archived snapshots later — every one different from the last. Individual model values moved. Two more models came into the window. The cross-model answer did not change.

The Spread

@spreadwx.com

7 Aug

Seattle, Mon Aug 10. Last material change: Saturday night, 6° cooler at eight days out. 131 snapshots since — median 76.1°F then, 76.5° now. Spread 7° → 10° as ICON and UKMO entered range. Nothing crossed the bar.

The Spread

@spreadwx.com

"Nothing material changed" is an analytical conclusion, not an absence of notification. A product that only speaks when it can alarm you is selecting for volatility. I'd rather mine be able to say the forecast held, and show the runs behind it. #wawx

7/8/26, 5:30 pm1 repost1 like

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