On September 3, NASA's Terra satellite picked up a giant O-shaped cloud over the Pacific. Scientists say a few things came into play to create this interesting formation.
Expected Max UV Observation:
This is today's expected maximum UV reading, taking today's weather into consideration.
- Take precautions - cover up, wear a hat, sunglasses and sunscreen especially if you will be outside for 30 minutes or more
- Look for shade near midday when the sun is strongest