Term
| A weather warning indicates that: |
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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: |
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Definition
| there is a chance for tornadoes tomorrow |
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Term
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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: |
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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: |
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Definition
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Term
| Weather forecast that predicts that the future weather will be the same as the present weather is called: |
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Definition
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Term
| Which forecasting method assumes that weather systems will move in the same speed as they have been moving? |
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Definition
| steady state (trend) forecast |
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Term
| A persistence forecast could be quite accurate when: |
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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: |
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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 |
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Definition
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Term
| Which of the following is presently a problem with modern-day weather predicitons? |
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Definition
| All of the above *See test |
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Term
| The forecasting of weather by a computer is known as: |
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Definition
| numerical weather prediction |
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Term
| When making a forecast, a meteorologist typically examines: |
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Definition
surface charts
upper-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? |
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Definition
| Much more computations are needed |
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Term
| Lines connecting points of equal pressure change are called: |
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Definition
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Term
| All thunderstorms require: |
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Definition
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Term
| The initial stage of an ordinary thunderstorm is the |
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Definition
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Term
| Ordinary thunderstorms only last about one hour and begin to dissipate when: |
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Definition
| when the downdraft spreads throughout the cloud and cuts off the updraft |
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Term
| An ordinary thunderstorm is a |
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Definition
| Scattered or isolated storm that is not severe |
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Term
| An ordinary thunderstorm is most intense during the ____ stage |
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Definition
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Term
| The most likely time for an ordinary thunderstorm to form is |
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Definition
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Term
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Definition
| an enormous thunderstorm that lasts for several hours |
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Term
| Severe thunderstorms are capable of producing |
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Definition
large hail
tornadoes
flash floods
All of the above |
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Term
| In a severe thunderstorm, hail may: |
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Definition
fall from the base of the anvil
fall 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: |
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Definition
| Individual thunderstorms that grow into a large, long-lasting weather system |
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Term
| Thunderstorms which produce tornadoes: |
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Definition
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Term
| The leading edge of a thunderstorms cold downdraft is known as a |
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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 |
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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: |
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Definition
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Term
| Squall lines generally do not form: |
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Definition
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Term
| A line of thunderstorms that forms ahead of an advancing cold front is called a: |
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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: |
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Definition
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Term
| Most squall line thunderstorms form: |
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Definition
| In advance of a cold front |
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Term
| A HP supercell differs from a LP supercell based on the storms |
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Definition
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Term
| Thunderstorms that move to the right of the winds aloft tend to |
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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 |
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Definition
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Term
| The region in the United States with the greatest annual frequency of hailstones is: |
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Definition
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Term
| The greatest annual number of thunderstorms in the United States occurred in: |
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Definition
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Term
| In the United States, dryline thunderstorms are most common |
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Definition
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Term
| A discharge of electricity from or within a thunderstorm is called |
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Definition
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Term
| In cloud-to-ground lightning, the stepped leader travels ______ and the return stroke travels ______ |
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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: |
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Definition
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Term
| The upper part of a thunderstorm cloud is normally______ charged, and the middle and lower parts are _____ charged |
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Definition
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Term
| The electrification of a cumulonimbous cloud appears to involve: |
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Definition
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Term
| An important principle in the electrification of a cumulonimbus cloud is that |
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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: |
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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? |
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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: |
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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? |
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Definition
| the lightning rod intercepts the lightning and safely carries the lightning current around the object it protects |
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