altitude

At that altitude, the bolts don’t just come down in single strikes; they can surround a hiker.

The chopper remained level at that altitude as its crew pulled within five nautical miles of the blaze.

He had lived the kind of life that would lead him to believe such a trip at altitudes of 9000 feet was a reasonable feat to attempt at age 78.

The longest stage of this year's race at 206km, it featured over 3,000m of altitude packed largely into the first half of the day.

As the smoke rises, water vapor in the air condenses at high altitudes, creating what is known as a pyrocumulus cloud, or fire cloud.