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