Avalanche Forecasts vs Going Blue

Get real-time updates on avalanche danger levels with Avalanche Forecasts. Our app makes it easy to see current danger levels at-a-glance for every forecast center in North America. Simply select your desired timeframe (Today/Tomorrow/2 Days Out) and view color-coded danger levels on the map. Click on any region to view the detailed avalanche forecast from the source forecasting center. With support for forecasts from over 20 centers, including NWAC (Northwest US), CAIC (Colorado), UAC (Utah), SAC (Central Sierras), ESAC (Eastern Sierras), MSAC (Mount Shasta), BAC (Bridgeport, CA), BTAC (Jackson Hole), GNFAC (Bozeman), WCMAC (Missoula), FAC (Kalispell/Whitefish), SNFAC (Sun Valley), IPAC (Idaho Panhandle), PAC (McCall), MWAC (Mount Washington), KPAC (Flagstaff), TAC (Taos), WAC (NE Oregon), CNFAIC (Chugach), JAC (Juneau), AAC (Anchorage), HAIC (Haines), VAC (Valdez), Cordova, HPAC (Hatcher Pass), Avalanche Canada, Parks Canada, WhistlerBlackcomb, VIAC (Vancouver Island), and Avalanche Quebec (Chic Chocs) forecasting centers, you can stay informed no matter where you are. For feature suggestions, bug reports, or other feedback, please contact us at project-development@sierraavalanchecenter.org.

Going Blue is an expedition weather app designed specifically for low-bandwidth satellite connections. It is built for skiers, alpinists, backpackers, kayakers, sailors, hunters, and anyone else who needs detailed weather forecasts in remote places. Going Blue works with direct-to-cell satellite internet, SMS, Garmin inReach, iPhone satellite messaging, and ZOLEO. How it works 1. Build a forecast request in the app. Choose the location, model, and variables that you care about. 2. Send the forecast request to Going Blue via the internet, SMS, Garmin inReach, ZOLEO, or iPhone satellite messaging. 3. Receive an encoded message from Going Blue. Paste it into the app to see a detailed forecast. Features - Satellite ready: Get forecasts anywhere in the world, without cell reception. Works with direct-to-cell satellite internet (Starlink Direct to Cell, T-Satellite), Garmin inReach, ZOLEO, and iPhone satellite messaging. - Hundreds of data points per message: Uses custom compression optimized for weather data to fit a detailed weather forecast into a single message. - 30+ weather models: Forecasts from high-resolution models like HRRR (3km), HRDPS (2.5km), ICON-D2 (2km), and MET Norway (1km). Automatically chooses the best model for your location. - Detailed cloud cover: See up to 10 levels in the atmosphere to differentiate between high clouds, valley fog, and whiteout conditions. - Mountain forecasts: Pressure-level winds and freezing level for high-altitude mountaineering. - Air quality: Plan around wildfire smoke and other pollution with AQI forecasts. - Model agreement: See how well the forecast agrees with models from NOAA, ECMWF, ECCC, and DWD. - Avalanche forecasts: Full avalanche forecasts from Avalanche Canada. - Works offline: All forecasts are saved on your device for comparing multiple models and past forecasts while offline. - Private: Going Blue requires no account and does not store your name, email, or phone number. Terms of Use: https://going.blue/terms