App Overview

Tornado Tracker by TornadoPath icon

Tornado Tracker by TornadoPath

Ridge Labs LLC · Weather

Never miss a tornado warning - I'm looking at you, tornado alley! Get instant alerts via phone call, SMS, and email when severe weather threatens your saved locations - plus the most detailed tornado data available anywhere.

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.9
1,623 ratings · Top 5%

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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A product spec, screen plans, and build steps for your coding agent.

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What's included18 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Tornado Tracker by TornadoPath: map the core Weather workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Use multiple data sources, show confidence %

Assumption to check: Inaccurate forecasts

Validate with people who use this workflow before building.

Hypothesis 2

Clean ad-free experience at low price

Assumption to check: Too many ads

Validate with people who use this workflow before building.

Hypothesis 3

Minute-by-minute precipitation for exact location

Assumption to check: No hyperlocal data

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

Never miss a tornado warning - I'm looking at you, tornado alley! Get instant alerts via phone call, SMS, and email when severe weather threatens your saved locations - plus the most detailed tornado data available anywhere. KEY FEATURES: NEW: LOCAL TAB — PERSONALIZED TO YOUR ADDRESS - See if active warnings impact your exact address - Tornado warnings, watches, severe thunderstorm & marine alerts (US & Canada) - Upcoming risk — today, tomorrow, and day 3 - Local conditions: high/low, feels like, humidity, and wind - NEW: Tornado history near you — past paths within 50 miles - NEW: Tornado warning history near you — past warnings within 50 miles - Search any US/Canada address, or use GPS - Pro: track up to 5 saved addresses LIVE TORNADO WARNINGS - Real-time tracking across all 50 states and Canada - Active warnings with polygon boundaries on maps - Affected population and county data - US and Canada population breakdowns - Broadcast audio playback for Canadian alerts - Daily activity summaries SEVERE WEATHER ALERTS - Tornado Watch monitoring - Severe Thunderstorm Warnings - Special Marine Warnings - Filter by type, state, country, and time INTERACTIVE MAPS - Live radar overlay - Precise warning polygons - Auto-zoom to warnings - Toggle active/expired alerts - Optional location display - 4 map styles: Standard, Minimal, Dark, Terrain MAP LAYERS -HD Radar (MRMS high-resolution) -Forecast Radar (predictive modeling) -Echo Tops (storm height data) -Satellite imagery (real-time) -Precipitation overlay -Storm Cells (tornado rotation & hail detection) -Base Reflectivity (raw NEXRAD radar returns) -Velocity (auto selects nearest radar, or pick any site manually) TORNADO ARCHIVE - 85,000+ historical US records since 1680 - 3,100+ historical Canadian records since 1980 - NEW: Path maps — tap any tornado to see its exact start & end - NEW: Filter by intensity, decade, deaths & path length - Event narratives with deaths & injuries - Browse by state, county, province and territory - Deadliest, longest, widest tornado stats - Monthly and time-of-day charts - EF0-EF5 intensity distribution WEATHER OUTLOOKS -Day 1, Day 2, and Day 3 tornado outlooks -Categorical risk levels -Tornado, wind, and hail probability maps -NEW: Fire Weather outlooks with wind/humidity zones -NEW: Excessive Rainfall (flash flood risk) outlooks -NEW: Snow probability outlooks -Convective Outlook and CIG support LEARN -8 guides written in plain English -Watch vs. Warning, Reading the Map, Understanding Outlooks -Understanding Radar Types, The EF Scale, Tornado Safety, How Alerts Work -NEW: The Local Tab — alerts for your exact address -No meteorology degree required CUSTOMIZATION & FEATURES - Full dark mode (Light/Dark/System) - 4 map styles to choose from - Warning details with countdown timers - Filter by state, country, and time period - iPad optimized - In-app support and sharing DATA SOURCES: - National Weather Service (NWS) - Storm Prediction Center (SPC) - Weather Prediction Center (WPC) - NOAA Storm Events Database - Apple Weather GO PRO ($39.99/year, or $149.99 lifetime) (US ONLY) -Phone calls when tornado warnings, watches and severe thunderstorms are issued -NEW: Year-round coverage — flash flood, snow squall, winter storm, blizzard, ice storm & high wind warnings -SMS texts with warning details -Email bulletins with full NWS statements -Monitor up to 5 locations -Alert 2 phone numbers -Turn each alert type on or off anytime 3-DAY RISK ALERTS — Only on Tornado Path! -Text & email up to 3 days before tornado or severe storm risk hits your area -Personalized to your saved addresses — no risk, no message -Know before the storm so you can prepare PERFECT FOR: Storm chasers, weather enthusiasts, researchers, emergency professionals, and anyone in tornado-prone areas. (Complements, not replaces, primary warning systems. Use NOAA Weather Radio for backup) Terms: https://www.tornadopath.com/terms Privacy: https://www.tornadopath.com/privacy

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Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

SUGGESTED BUILD STACK
React Native
OpenWeather API
Expo Location
RevenueCat
BUILD KIT DIFFICULTY
Advanced

From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.