Test 9 - A1
The coldest point in the atmosphere
What is mesopause
Forms the brillian flash of a lightning bolt
What is return stroke
The most abundant gas in the homosphere
What is nitrogen
Scale used to rank hurrican strength
What is a Rossby scale
Scale used to classify tornadoes
What is a Enhanced Fujita scale
This type of air mass brings hot,dry weather
What is continental tropical
The downward stream of electrons that causes a single lightning bolt to make a second strike
What is a dart leader
Instrument that uses a flexible, airtight metal box to measure changes in atmospheric pressure
Relative humidity is said to be 100%, the air is said to be
What is saturated
The farthest distance at which object can be distinguished is
What is visibility
Radiation fog that extends no more than 2m (6 ft) above the ground
What is shallow fog
A wind that reverses its direction from season to season
What is a monsoon
Tropical low-pressure system that does not have rotating winds
What are tropical disturbances
Elevated water level caused by a hurrican's winds
What is a storm surge
A prediction of the weather in the near future
What is a forecast
This indicates that a frontal cyclone has reached its full strength
What is a formation of an occluded front
Type of drought that is defined by its effects on an area's gropundwater, streams, lakes, and reservoirs
What is a hydrological drought
Instrument used to measure high-altitude weather conditions
What is a weather balloon
The most intense type of downburst
What is a microburst
A rotating column of air that reaches the ground
What is a tornado
The portion of a lightning bolt that produces thunder
What is return stroke
Reason for the Southern Hemisphere receiving more insolation during the southern summer than the Northern Hemisphere receiving during the northern summer
What is the Earth is closer to the sun
The process in which rain forms through large cloud droplets hitting each other and merging to form larger drops
What is the collision-coalescence process
A tropical cyclone with wind speeds between 39 mi/h and 74 mi/h
What is a tropical storm
Term describing atmospheric conditions that limit the height to which rising air can travel
What is stable