Low level AERIAL SHOTS over densely wooded hills. High AERIAL SHOT of forest land, white cloud, dark cloud moving in. Low level helicopter AERIAL SHOTS over hills covered with conifers, leading to atmospheric research site. Hovering AERIAL SHOT over site. AERIAL SHOTS over tree-covered foothills, cloud formations in distance. Flypast AERIAL SHOTS over weather research site. Lengthy low level front AERIAL SHOTS over tree tops, bare top hills, atmospheric research station.