A minimal, mobile-first weather emergency dashboard. Get real-time NWS alerts, forecasts, precipitation data, and regional weather news for any US ZIP code. Always verify with local authorities if unsure about any data.

• Emergency Alerts — Active NWS warnings with severity badges (Extreme, Severe, Moderate, Minor)
• Safety Tips — 50+ alert types mapped to actionable guidance
• Current Conditions — Temperature, humidity, wind speed, visibility
• 12-Hour Forecast — Scrollable hourly forecast with precipitation probability

• 7-Day Outlook — Extended daily forecast with highs, lows, and conditions

• Precipitation Chance — Probability of rain/snow for next 24 hours
• Snow & Ice Forecast — Visual accumulation chart (only shown when relevant)
• Wind Forecast — Max sustained winds and gusts with warnings for strong wind

• Impact Timeline — Visual timeline showing when conditions will change
• Action Checklist — Dynamic preparation tasks based on active alerts
  • "Do Now" — Urgent tasks to complete immediately
  • "Before Storm" — Tasks to do before conditions deteriorate
  • "Have Ready" — Items to have accessible
  • Persistent checkboxes — Progress saved locally
• Supply Calculator — Calculate emergency supplies based on household size
  • Water, food, batteries, flashlights
  • Adaptive extras based on storm type (blankets for cold, extra water for heat)
• Emergency Contacts — One-tap calling for 911, 211, Poison Control
  • Link to local NWS forecast office

• Regional Weather News — Breaking weather news via GDELT
• State-Level Coverage — Ensures suburban areas get relevant news

The app features a dark theme optimized for readability during emergencies.

Visit: https://jeisey.github.io/stormwatch/

1. Open the app
2. Tap "Set Location"
3. Enter your 5-digit US ZIP code
4. View your local weather data

StormWatch can be installed on your phone like a native app for quick access during emergencies.

1. Open https://jeisey.github.io/stormwatch/ in Safari
2. Tap the Share button (square with arrow pointing up) at the bottom of the screen
3. Scroll down and tap "Add to Home Screen"
4. Edit the name if desired, then tap Add
5. The StormWatch icon will appear on your home screen

1. Open https://jeisey.github.io/stormwatch/ in Chrome
2. Tap the three-dot menu (⋮) in the top-right corner
3. Tap "Add to Home screen" or "Install app"
4. Confirm by tapping Add or Install
5. The StormWatch icon will appear on your home screen

Once installed, the app will open in full-screen mode without browser navigation bars, providing a native app-like experience.

1. Create a new repository on GitHub
2. Upload files: index.html, manifest.json
3. Go to Settings → Pages
4. Under "Source", select Deploy from a branch
5. Select main branch and / (root) folder
6. Click Save

Your site will be live at https://[username].github.io/[repo-name]/

Aggressive caching reduces API load and improves reliability:

Safety tips are provided for 50+ NWS alert types:

• Winter: Winter Storm, Blizzard, Ice Storm, Wind Chill, Freeze
• Severe: Tornado, Severe Thunderstorm
• Flood: Flash Flood, Flood, Coastal Flood
• Heat: Excessive Heat, Heat Advisory
• Wind: High Wind, Hurricane, Tropical Storm
• Other: Red Flag, Dense Fog, Air Quality

• Add to Home Screen capable
• Manifest file included
• Mobile-optimized viewport

• NWS requests include User-Agent header
• Respectful caching to minimize API calls
• Graceful degradation when APIs fail

• Chrome/Edge 80+
• Safari 14+
• Firefox 75+
• iOS Safari, Chrome for Android

Data provided by NWS & GDELT. Not official. Always verify alerts with local authorities.

MIT License — Free to use, modify, and deploy.

Stay safe during severe weather. 🌨️