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Smartphones can soon help predict flash floods: Study


With smartphones capable of measuring atmospheric pressure, temperatures and humidity, a novel study suggested that the devices may one day be able to track and anticipate weather patterns that leads to flash floods.

Researchers noted that smartphones can be harnessed to forecast flash floods as well as other natural disasters.

“The sensors in our smartphones are constantly monitoring our environment including gravity, the earth’s magnetic field, atmospheric pressure, light levels, humidity, temperatures, sound levels and more,” said lead researcher Colin Price, Professor at the Tel Aviv University.

“Vital atmospheric data exists today on some 3 to 4 billion smartphones worldwide. This data can improve our ability to accurately forecast the weather and other natural disasters that are taking so many lives every year,” he added.

In the study, published in the Journal of Atmospheric and Solar-Terrestrial Physics, the team placed four smartphones under controlled conditions and analysed the data to detect phenomena such as “atmospheric tides,” which are similar to ocean tides.

They also analysed data from a UK-based app called WeatherSignal.

While the smartphones could provide real-time weather alerts through a feedback loop, the public was able to find atmospheric data on the “cloud” via an application.

This data would then be processed into real-time forecasts and returned to the users with a forecast or a warning to those in danger zones, the researchers explained.

“We can’t prevent flash floods from happening, but soon we may be able to use the public’s smartphone data to generate better forecasts and give these forecasts back to the public in real time via their phones,” Price noted

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