Term A weather warning indicates that: | | Definition Hazardous weather is either imminent or occuring within the forcast area | |
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Term A weather watch would probably be issues for which of the following conditions: | | Definition there is a chance for tornadoes tomorrow | |
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Term | Definition a surface or upper-level chart that interprets the present weather patterns | |
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Term Weather observations made by most countries of the world are share and distribute globally by international agencies: | | Definition |
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Term The least accurate forecast method of predicting the weather two days into the future during changeable weather conditions is usually the: | | Definition |
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Term Weather forecast that predicts that the future weather will be the same as the present weather is called: | | Definition |
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Term Which forecasting method assumes that weather systems will move in the same speed as they have been moving? | | Definition steady state (trend) forecast | |
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Term A persistence forecast could be quite accurate when: | | Definition you are positioned in the middle of a large, stationary air mass | |
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Term A forecast method that compares past weather maps and weather patters to those of the present is: | | Definition |
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Term The forecasting technique that produces several versions of a forecast model, each beginning with slightly different weather information to reflect errors in hte measurements is called | | Definition |
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Term Which of the following is presently a problem with modern-day weather predicitons? | | Definition All of the above *See test | |
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Term The forecasting of weather by a computer is known as: | | Definition numerical weather prediction | |
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Term When making a forecast, a meteorologist typically examines: | | Definition surface chartsupper-air charts radar displays satellite imagery ALL OF THE ABOVE | |
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Term Modern computer forecasting models have increasingly smaller grid spacing. This presents which of the following problems? | | Definition Much more computations are needed | |
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Term Lines connecting points of equal pressure change are called: | | Definition |
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Term All thunderstorms require: | | Definition |
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Term The initial stage of an ordinary thunderstorm is the | | Definition |
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Term Ordinary thunderstorms only last about one hour and begin to dissipate when: | | Definition when the downdraft spreads throughout the cloud and cuts off the updraft | |
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Term An ordinary thunderstorm is a | | Definition Scattered or isolated storm that is not severe | |
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Term An ordinary thunderstorm is most intense during the ____ stage | | Definition |
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Term The most likely time for an ordinary thunderstorm to form is | | Definition |
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Term | Definition an enormous thunderstorm that lasts for several hours | |
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Term Severe thunderstorms are capable of producing | | Definition large hailtornadoesflash floods All of the above | |
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Term In a severe thunderstorm, hail may: | | Definition fall from the base of the anvilfall from the bottom of the could be tossed out the side of the cloud all of the above!!!
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Term A mesoscale Convective Complex is actually: | | Definition Individual thunderstorms that grow into a large, long-lasting weather system | |
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Term Thunderstorms which produce tornadoes: | | Definition |
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Term The leading edge of a thunderstorms cold downdraft is known as a | | Definition |
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Term A small thunderstorm cloud with virga falling out of its base and blowing dust at the ground could warn of a severe hazard to an airplane because | | Definition this could indicate an intense downdraft or microburst | |
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Term A group of thunderstorms which develop in a line one next to the other, each in a different stage of development are called: | | Definition |
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Term Squall lines generally do not form: | | Definition |
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Term A line of thunderstorms that forms ahead of an advancing cold front is called a: | | Definition |
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Term On a surface weather map, this marks the boundary where a warm, dry air mass encounters a warm, moist air mass: | | Definition |
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Term Most squall line thunderstorms form: | | Definition In advance of a cold front | |
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Term A HP supercell differs from a LP supercell based on the storms | | Definition |
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Term Thunderstorms that move to the right of the winds aloft tend to | | Definition cut of the supply of humid air to thunderstorms to the north of them | |
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Term Many flash floods, including those that occupied Rapid City, South Dakota, and in Colorado's Big Thompson Canyon are the result of thunderstorms that | | Definition |
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Term The region in the United States with the greatest annual frequency of hailstones is: | | Definition |
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Term The greatest annual number of thunderstorms in the United States occurred in: | | Definition |
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Term In the United States, dryline thunderstorms are most common | | Definition |
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Term A discharge of electricity from or within a thunderstorm is called | | Definition |
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Term In cloud-to-ground lightning, the stepped leader travels ______ and the return stroke travels ______ | | Definition |
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Term A second surge of electrons that proceeds from the base of a cloud toward the ground during cloud to ground lightning is called a: | | Definition |
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Term The upper part of a thunderstorm cloud is normally______ charged, and the middle and lower parts are _____ charged | | Definition |
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Term The electrification of a cumulonimbous cloud appears to involve: | | Definition |
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Term An important principle in the electrification of a cumulonimbus cloud is that | | Definition there is a transfer of positive ions from a warmer object to a colder object | |
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Term A cloud to ground lightning discharge will sometimes appear to flicker. This is because: | | Definition You are able to distinguish separate return strokes | |
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Term What would be the proper sequence of events in a lightning flash? | | Definition Stepped leader, return stroke, dart leader, return stroke | |
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Term You are generally safe inside an automobile during a lightning storm because: | | Definition the metal car body will carry the lightning current around the passengers inside | |
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Term Which of the following is the most accurate description of the principle of a lightning rod? | | Definition the lightning rod intercepts the lightning and safely carries the lightning current around the object it protects | |
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