Calamity

Calamity is the app that allows you to report extreme weather events, natural events, astronomical phenomena and man-made event, and to receive alerts in real time based on the reports sent by other users in your area or in the rest of the world.

Alerts are only received if the event is reported by a sufficient number of users in the affected area.

The events that the app manages are as follows:

Weather phenomena
- Extreme heat
- Extreme cold
- Strong thunderstorm
- Heavy rain
- Hailstorm
- Strong wind
- Strong snowfall
- Tornado
- Hurricane impact
- Waterspout
- Sea storm
- Sand storm
- Rainbow
- Lunar halo

Natural phenomena
- Earthquake
- Wildfire
- Flooding
- River flooding
- Lake flooding
- Torrent flooding
- Landslide
- Avalanche
- Insect infestation
- Tsunami
- Vulcanic eruption
- Ash emission
- Lava emission
- Lahar

Astronomical events
- Meteor
- Meteor shower
- Northern lights

Artificial events
- Sonic Bang
- Explosion
- Fire
- UFO