Relier Pairs topic 7 weather part 4 prediction and probabilityVersion en ligne match the term to the defintion par Susan Brown 1 large summer and fall storms that form over tropical waters with sustained winds of at least 74 miles per hour 2 heavy rainstorms accompanied by thunder and lightening 3 violent or severe disturbance of the atmosphere that usually creates dangerous, destructive or unpleasant conditions on Earth's surface 4 most violent of all storms; small area of impact for a relatively short time; rotating, very low pressure funnel that hangs from the clouds 5 movement of air masses along the polar fronts result in the formation of low pressure storms associated with thunderstorms, tornados and ahil 6 storm with winds of at lease 35 mph with lots of falling or blowing snow blizzard hurricane tornado thunderstorms storm cyclonic storms 1 as air temperature gets closer to the dew point 2 chance 3 rapidly falling air pressure indicates 4 greater the air pressure gradient 5 reflects electromagnetic waves to give information about precipitation and clouds 6 as temperature increases 7 visual and infrared images from space that show location and size of storms 8 symbol that represents a site's weather variables for a specific time of day air pressure decreases storm approaching radar higher the wind speeds probability chance of precipitation increases satellite images station model 1 2 3 4 5 northeast wind between 20-25 mph southwest wind, mostly cloudy southeast wind between 15 and 20 mph; mostly cloudy southeast wind with a barometric pressure of 1000.2 northwest wind, completely cloudy