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Mobile Weather Station

(2,711)
About this app:Show more
ANDROID VERSION
2.2 and up
INSTALLATIONS
100,000 - 500,000
PRICE
FREE

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Description

WeatherSignal uses native phone sensors to monitor local atmospheric conditions, which are then displayed on our live-updating weather map.

Turn your device into a thermometer, barometer, lightmeter and hygrometer - depending on which sensors your device has - with this app your phone is a tricorder & mobile science kit!

By using WeatherSignal you become part of the most ambitious weather crowdsourcing project in the world – helping to record weather patterns on a more localised level than ever before. We are working with numerous meteorological institutions, including the University of Washington, Birmingham University and the UK Met Office. Your readings help us improve weather forecasting for everyone!

Featured in the New Scientist and Scientific American! http://bit.ly/1aFY3Ls

This app is 100% ad-free :)

*Thermometer readings are experimental!*

Features:
✓ Readout for all the sensors on your device (think Tricorder - but real!)
✓ Widgets for temperature, magnetic, light, humidity and pressure sensors (if you have them)
✓ Save all data to CSV - play with it however you like
✓ Map of readings of other users and of your own, see averages within each map window, click on icons to see full readout
✓ Manual reports
✓ Tons of graphs (for geeks like us :))
✓ Contribute to our maps (you can turn off sharing in settings)
✓ Share data to help us improve the weather forecast
✓ Looks great on tablets


*** This app is experimental! Readings from sensors may be faulty, we are developing ways of filtering and correcting this. In particular, individual TEMPERATURE readings may be incorrect, but when averaged over many users we get reliable information for our community powered maps. ***

WeatherSignal is designed to help you make use of your phone’s sensors. What the app shows depends on what model of phone you have and how many sensors it has. The app works best on the Galaxy S4 (as that phone has the most sensors) but has functionality on most Android devices

The WeatherSignal app can measure:
✓ Pressure (certain devices only)
✓ Temperature (see note)
✓ Light Intensity
✓ Humidity (Galaxy S4 only)
✓ Magnetic Flux
✓ Acceleration (turn on in application settings)

You can see graphs and maps of all these values live or over time.


This app is also one of the first to feature Google's Activity Recognition: monitor when you're walking, in vehicle, on a bicycle. You can save the results to CSV and perform your own analysis/create maps, for example for quantified self tracking

*** NOTE ON TEMPERATURE READINGS ***

We’ve come up with an algorithm that translates battery temperature into ambient temperature – making your phone a thermometer. For each user this can sometimes be a bit approximate but we've discovered that there is a very strong correlation between battery and ambient temperature when spread over a crowd of users. If you are using a cell phone without an external thermometer then the temperature reading you’ll see is a battery temperature reading converted through our algorithm. Often the algorithm will get it wrong, but we've shown that with appropriate averaging and filtering, these readings correlate extremely well with external ambient air temperature.

The Galaxy S4, which has an ambient air temperature thermometer, may produce incorrect readings - if the phone is hot (perhaps because it's been in your pocket or has been charging or intensively used) then the readings will be higher than air temperature.

*** PRESSURE ****

Devices that contain barometers include:

Galaxy Nexus
Galaxy S3, S4, Note (1,2,3)
Nexus 4
Nexus 10
Xoom
RAZR MAXX HD
Xiaomi MI-2

Units available:
millibars/hPa inches of mercury aka "Hg or inches H
centigrade/celsius and Fahrenheit

You might also be searching for: luxmeter, lightmeter, light meter, magnetometer, barometer, hygrometer, accelerometer, thermometer ... if your phone has it, WeatherSignal reads it, graphs it, maps it, saves it.

(weather signal, opensignal, open signal)

App Screenshots

Mobile Weather Station
Mobile Weather Station
Mobile Weather Station
Mobile Weather Station
Mobile Weather Station
Mobile Weather Station
Mobile Weather Station

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4.2
(2,711)
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