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Precipitation in Hydrologic Cycle

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Questions and Answers

What is the purpose of considering the magnitude and extent of resultant rainfall areas of coverage?

To estimate the areal precipitation value (correct)

To calculate the Thiessen polygon network

To determine the distance weighting scheme

To identify the grid point precipitation value

What is the basis for calculating station weights in the Thiessen polygon method?

Observed point values

Relative areas of each measurement station (correct)

Areal runoff zone precipitation estimates

Distance from the grid point

What is the output of the Distance Weighting/Gridded method?

Areal average precipitation (correct)

Thiessen polygon network

Station weights

Grid point precipitation values

In the Distance Weighting/Gridded method, how are the individual weights calculated?

Based on the distance from the grid point Signup and view all the answers

What is the purpose of the MAPX technique?

To make areal runoff zone precipitation estimates Signup and view all the answers

What is the resolution of the WSR-88D gridded precipitation estimates used in the MAPX technique?

4 x 4 km Signup and view all the answers

What is the time interval of the WSR-88D gridded precipitation estimates used in the MAPX technique?

1-hourly Signup and view all the answers

What is the purpose of calculating the areal average precipitation?

To understand the hydrologic cycle Signup and view all the answers

Which method is used to calculate the areal average precipitation value?

Both Thiessen polygon and Distance Weighting/Gridded methods Signup and view all the answers

What is the application of the MAPX technique?

Specifically in NWS applications Signup and view all the answers