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.
- Minimal sun protection required for normal activity
- Wear sunglasses on bright days. If outside for more than one hour, cover up and use sunscreen
- Reflection off snow can nearly double UV strength. Wear sunglasses and apply sunscreen