GLOBE Clouds: Getting Started
Help NASA Scientists. Observe clouds while a satellite is overhead.
Open the app and choose Clouds.
Verify the time and location.
What does your sky look like?
Obscurations are conditions like smoke, dust, and heavy rain that block your view of the sky.
Cloud cover is the percentage of the sky covered by clouds.
Look in each direction before estimating.
Sky color is the deepest blue observed.
Look at the entire sky before selecting a shade.
Sky visibility refers to how far you can see.
Looking at the horizon, how far can you see?
Look closely at the features of the clouds, like the shape and altitude.
Having trouble determining what clouds are in the sky?
Tap the question-mark on the bottom right.
Opacity refers to how much light passes through the clouds. Look at the center of the cloud.
Report the surface conditions.
Take photos of the sky.
Rotate your phone and align the dots to take a photo in each direction.
Send your observations to GLOBE Observer to share them
with researchers and other citizen scientists.
GLOBE Observer observer.globe.gov
globe.gov
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