11. At sunset the upper air cools, as does the surface temperature, but at different rates. 12. The upper air network includes 43 airports that offer scheduled services on a daily basis. 13. Ozone in the upper air helps protect the earth from dangerous ultraviolet radiation from the sun. 14. Rao said the monsoon's late arrival was caused by a complex phenomenon called upper air disturbances. 15. He became the Director of Upper Air Research labs at the University of Utah in 1957. 16. Upper air turbulence could damage the glider, forcing him to parachute to safety from high altitude.17. The WMO has released a number of BUFR templates for surface and upper air observational data. 18. However, it may take until early next week for a substantial realignment of the upper air flow. 19. Kites are used to take samples of upper air and to collect things found in the upper air . 20. Ok, so the a white pyramid would work backwards, as well as provide access to upper air currents.
