Specialist snow forecasting for Canterbury — calibrated for the altitudes where snow level matters most.
The White Stuff is written by Blue Skies forecaster Tony Trewinnard, a Canterbury-based weather forecaster with over 35 years of operational experience running Blue Skies Weather. KEA and YETI are tools I've built and calibrated from the ground up for the specific task of winter snow forecasting in this notoriously tricky region — not generic forecasting software with a regional badge stuck on it.
The calibration is based on actual Canterbury snow events from 1992 to 2025, including data records, atmospheric analysis and community observations. The latest international techniques for snow forecasting have been translated into our unique region, and the best input data is carefully bias-corrected and matched back to verified past events.
The forecasts are written by me — the same person who built the tools, with 35 years of meteorological judgement to know when to trust them and when to flag uncertainty. I'm confident this is the best snow forecasting system for Canterbury you can find - I built it because nothing else available was doing this properly. Free subscribers get Monday KEA outlooks, and post-event analysis. Paid subscription gives you access to all the KEA outlooks, and detailed YETI forecasts for likely snowfall and accumulation region-wide, including a focus on towns and passes.
Important note: Subscribing to either the free or paid versions of this service is NOT a license to share or re-distribute the information received. No unauthorised reproduction is permitted, and if detected will result in cancellation of your subscription with no refund.
