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15 Cards in this Set
- Front
- Back
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The factor that allows a Doppler radar to remember the frequency of transmitted energy for later comparison to returning energy is...
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Coherency
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Which product is used in the detection and location of rotating thunderstorms and in determining wind field characteristics?
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Base mean radial velocity
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The probability of severe hail algorithm will look for hail that is...
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> 3/4"
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Computation of the equivalent reflectivity factor (Ze) depends on...
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Avergae returned power, range to target, and a set of known factors called the "radar constant"
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Which information is included in the attribute table that accompanies the user selectable precipitation (USP) product?
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The total number of hours used to build the product.
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Embedded thunderstorms are detected by the WSR-88D quite well because...
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The 10cm wavelength can see through the stratiform precipitation that tends to hide the storms on 5cm radars.
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Range resolution depends on
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Pulse length
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The Echo Tops (ET) product computes echo top height by using
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2.2 x 2.2nm grid boxes
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The maximum range MESOs can be identified by the mesocyclone algorithm is 110nm, due to...
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A maximum height threshold of 8km.
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What determines the length of a forecast made by the storm position forecast algorithm?
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Accuracy of the previous volume scan's forecast.
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For the WSR-88D to generate a base reflectivity product, the antenna must complete...
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One elevation slice
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What decides the minimum range of the radar?
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Pulse length
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The ability of the radar to distinguish between two targets at the same range but at approximately the same direction from the radar is called...
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Bearing resolution
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What does subrefraction do?
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Reduces the maximum range of the detection of low-level targets.
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The echo tops (ET) product is very useful in...
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Showing the presence of vertical tilt within a storm.
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