Windows
Installer for Windows 10 / 11, 64-bit. Updates itself from inside the app.
Download installer Portable .zipWeather radar
Radar that gets out of your way.
FirstTilt is a lightweight, native NEXRAD radar workstation built for emergency operations, field teams and weather enthusiasts, and it runs well on modest hardware. Free to use.
Download
Latest version …
macOS
Signed and notarized disk image for Apple Silicon. Open it and drag FirstTilt into Applications.
Download .dmg Portable .zipIn your browser
Nothing to install. The web viewer uses the same sites, products and playback, on desktop or phone.
Open web appAll versions and checksums are on the releases page. Report problems or request features in the issue tracker.
Features
Lightweight
Low RAM and CPU use, so it stays responsive on older laptops and in the field.
Map first
Two bars and a map. Site, product and tilt controls are always within reach.
Live and history
Starts with one current scan, polls for new ones, and can backfill recent frames on request.
Alerts and labels
Weather alerts, county and state boundaries, and place labels that stay put as you pan.
Updates itself
Installed copies download and install new versions from Settings.
Free
Free for public and operational use, from WoolawayWx.