पूर्व चेतावनी चक्रवात की (अलार्म), भयंकर तूफान, गरज और तूफान।

Early warning of Thunderstorms * (2 hours),

Severe Thunderstorms ** (at least 2 hours),

Tornadic Supercell Thunderstorms (at least 3 hours),

Cyclones, Hurricanes and Typhoons (24 hours Early Warning

& 5 hours Final Warning)

Firestorms (at least 1 hour) and Gales.

Each has its own alarm and separate notification.

*Rule: A storm occurs when the last 3 hours pressure falls 4 mb or more to below 1009 mb. Rule can be used to detect any storm, but app applies further rules to uniquely identify the type and size of a storm. See www.worldstormcentral.co

**This notification is also given for Cyclones,

Hurrianes, Typhoons, Extratropical Cyclones, Tropical Storms and Weather Bombs.

• The barometric pressure, its rate of change (last hour and last 3 hours) and temperature are displayed.

• My Barometer Rules for thunderstorms, Severe Thunderstorms, firestorms and Gales are displayed.

• App is especially useful for weather watchers, storm spotters and chasers.

• App can be used anywhere on land or sea where an internet, Wi-Fi or mobile phone connection is available.

• You can estimate the wind speed over the sea using an on-screen guide.

• App allows you to share with your friends on social networks.

** satisfies Severe Thunderstorm criteria