Forecast Evaluation

How close were the weekend snowfall forecasts to what fell? Each weekend is scored against an estimate from nearby SNOTEL stations.

Season Area Compare

Loading…

Where each product does best and worst

Show Map shows

Weekend by weekend

Axis View

Statistics

Big storms: hits and misses

Storm size

CoCoRaHS cross-check

Snow level

Sounding site

How this is measured

Terms of Use and Data Disclaimer

Use at your own risk. The forecasts, model output, observations and plots on this site are for general information and research. They are not intended to support operational decisions. Much of the data comes from outside providers (NOAA, CW3E at UC San Diego, the University of Utah, the University of Washington, NRCS, NWAC and others), and some of it is our own analysis. Everything is provided “as is.”

In no event shall Cascade Mountain Weather or the data providers be liable for any damages, including, without limitation, damages resulting from lost data or revenue, the costs of recovering or substituting data, claims by third parties, or any special, incidental or consequential damages, arising out of the use of the data. The accuracy and reliability of the data are not guaranteed or warranted in any way, and we and the providers disclaim liability of any kind, including liability for quality, performance, merchantability and fitness for a particular purpose, arising out of the use of, or inability to use, the data.

Mountain weather and snow conditions change quickly and can be dangerous. Check the NWAC avalanche forecast and make your own decisions.