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Incoming storms...(ongoing)
Chris Tomer's latest report is calling for 13" with more above tree line for Mammoth. Finger's crossed. But wow, look at Steven's Pass and Baker. Crazy. https://www.youtube.com/watch?v=fMZ3pA75-7s
October-ary
I'm liking what I see on the cams!
October-ary
September Update - Winter 25/26 Season Snowfall Outlook Data
September 5th, 2025 – ECMWF Seasonal Model Update Today’s ECMWF seasonal run keeps the weak La Niña in play a bit longer. Instead of fading quickly, the signal now holds through at least January, with neutral conditions not expected until mid to late February. Here’s what the maps are showing: - Nov–Dec–Jan: Greens light up across northern California and into the Sierra — often a sign of more storm action and a better shot at building early season snowpack. - Jan–Feb–Mar: More green, though a shade lighter. That’s still a positive signal for a full season’s worth of snowfall. Yes, this far out we’re in “fantasy land,” but green is always the color we want to see. Take a look at the ECMWF maps below — green shades mark wetter than normal trends, while brown shades point to drier conditions. September runs are a key checkpoint. If the Sierra stays painted green again in October’s update, confidence builds for a solid and steady winter. For now, it’s encouraging to see the signal lean our way. — Snowman 👉 Follow the Mammoth Weather Story here: https://www.mammothsnowman.com/mammoth-mountain-weather-forecast/
September Update - Winter 25/26 Season Snowfall Outlook Data
La Niña forecasted for early winter 2025-26
Potential bummer for Mammoth this season. Time for everyone to start doing your snow dance. Synopsis from NOAA: ENSO-neutral is most likely through the late Northern Hemisphere summer 2025 (56% chance in August-October). Thereafter, a brief period of La Niña conditions is favored in the fall and early winter 2025-26 before reverting to ENSO-neutral. https://www.cpc.ncep.noaa.gov/products/analysis_monitoring/enso_advisory/ensodisc.shtml
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Mammoth Mountain Snowman
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