Still all playing out like '19, '20, and '21.
Try a mental exercise, close your eyes.
Think of cold, snow, a wintery landscape. Think of the cityscapes of Vancouver, Seattle, Portland, and Eugene, and picture them with just globs of snow heaped over them. Keep your eyes closed and imagine maps filled with those pepto pinks and purples. Imagine that arctic air spilling over Vancouver Island and making its way back to Washington and Oregon. Imagine regional blizzard warnings and snow cov
Yeah, the delta on Monday will be telling with Graphcast and Spire. People forget (or don't know) that both models only work off of initialization data and then use various degrees of image based machine learning at very high terrain definitions. Its effectively taking those analog lists to the next level. This means though that there is no real condition modeling taking place, but rather a "I think this feature will develop here because it typically does when these patterns at these levels are
KSEA will challenge 1996 for the record min/max this Tuesday. Mark is 52F. Not sure if we'll beat it but we could match.... The margins are razor thin.
Mesoscale models picked up on this shower activity. The bulk of the cold air is now passing overhead and there are some converging airstreams in the lee of both the Olympics and Vancouver Island under stout NW flow as our ULL exits the westside. That and the Snohomish plateau is initiating a lot of this.
Looking at radar, the north end of the city is getting some leftovers. Most of it is dissipating before it quite reaches here, but I suspect that could change at any point.
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Do this.
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Important Note!
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