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ThunderTime is an easy-to-use distant calculator for lightning strikes.

It calculates the proximity of lightning strikes by measuring the time between lightning and thunder.

This method is known as the flash to boom method. You normally use this method by counting the seconds between the lightning flash and thunder and then divide it by 3 to determine the distance in kilometers, or by 5 for miles. But, by using ThunderTime you will get more accurate distance calculations and you won’t have to make math calculations in your head.

If you have a fear of getting struck by lightning, ThunerTime will help you alleviate your fears by telling you the distance between yourself and a lightning strike.
ThunderTime is also for people who would like to know how far away from them was a lightning strike.

Features:
• Measure the distance between yourself an a lightning strike.
• Clean interface with big distance field.
• View the speed of sound by pressing the display.
• Change the temperature for more precise calculations.
• Choose between English and metric units.
• ThunderTime tells you if the lightning strikes are coming closer based on previous calculations.
• Thunderstorm movements are visualised by arrows.
• View lightning strikes on a map

How to use:
Open ThunderTime and the main screen appears.
Press the green Lightning button when you see the flash of a lightning strike (this will start the calculation).
When you hear the thunder press the red Thunder button, this will stop the calculation.
You will see the calculated distance between yourself and the lightning strike on the top display.

For further instructions, please visit our support website.

Disclaimer: the user assumes the entire risk related to the use of the ThunderTime App in all conditions.