Global Avy

Stay safe in the backcountry with timely avalanche forecasts from multiple countries in one app. Global Avy aggregates forecasts from U.S. avalanche centers, Avalanche Canada, and Varsom (Norway) — with push notifications that tell you the moment a new forecast drops.

KEY FEATURES

Multi-Location Support • Save unlimited forecast locations across providers • Custom location names for easy identification • Interactive map picker for precise location selection • Hierarchical region browser for quick preset selection • Automatic zone detection using provider forecast boundaries

Push Notifications • Alerts within ~15 minutes of a new forecast publishing • Per-location notifications for the areas you care about • Pre-fetches the full forecast so it's ready offline • Customizable notification preferences per location

Comprehensive Forecast Data • Current avalanche danger ratings (Above Treeline, Near Treeline, Below Treeline) • Multi-day danger outlooks with elevation band breakdowns • Detailed avalanche problem discussions and summaries • Bottom line recommendations from forecasters • Forecast valid dates and expiry times • Media attachments (photos, diagrams)

Integrated Weather • National Weather Service forecasts for US locations • Temperature, wind, precipitation forecasts • Zone-specific weather discussions • Combined view of avalanche and weather conditions

Built for Offline Use • Aggressive caching for backcountry areas with no cell service • View cached forecasts at the trailhead or on the skin track • Automatic refresh when connection is available • Stale data is better than no data for safety-critical decisions

Special Product Alerts • Avalanche Advisories, Watches, and Warnings (SPAWs) • Dedicated alert banners for exceptional avalanche conditions • Works even when the full forecast fetch fails (degraded-mode fallback)

PROVIDERS • U.S. avalanche centers via the avalanche.org Forecast Center aggregator • Avalanche Canada • Varsom (Norway) • More coming — request a provider at github.com/TimZander/GlobalAvy/issues

PRIVACY • No account required • No ads • Anonymous usage analytics are opt-out • Coarse-grid location used for push delivery; never linked to your identity • Crash reports are opt-out