A: Those apps use proprietary models or purchase data. The official Weather Bureau app uses raw, unmodified government data and has the legal mandate to issue official warnings (e.g., Hurricane Warnings, Tornado Emergencies). When this app says a warning is issued, it is legally the official source of truth.
Tap "Download" or "Install" .
Open the App Store (iOS) or Google Play Store (Android).
Search for: "[Your Country Name] Weather Bureau Official" (Example: "Australia BOM Weather," "US National Weather Service," "UK Met Office," "India IMD Weather")