Which of the following is a false statement about Doppler radar? Select one: a.

Question

Which of the following is a false statement about Doppler radar? Select one: a. the radar echoes are proportional to the number and size of raindrops b. Doppler radars can operate in two modes- clear air mode and precipitation mode c. radar echoes can be used to estimate the rainfall rate (inches per hour) d. in addition to the radar network, the United States has one large radar in the center of Nebraska that is capable of scanning the entire country. e. Doppler radars can detect the wind speed and direction Which of the following statements is not true about weather balloons? Select one: a. the official name of a weather balloon is "rawinsonde" b. weather balloons measure the vertical profile of temperature, pressure, wind speed and direction, dewpoint temperature, and height as they ascend. c. weather balloons are launched simultaneously all over the US at 12pm and 12am local time d. the primary layer of the atmosphere in which the weather balloon takes its measurements is the troposphere. wrote this question at 3PM on Wednesday June 7 during Central Daylight Time. What time was it in UTC? Select one: a. 3 UTC b. 15 UTC c. 8 UTC d. 20 UTC e. 5 UTC

Explanation / Answer

1) a.The radar echoes are proportional to the number and size of raindrops .

The strength of the return signal is proportional to The number of raindrops and The size of the raindrops.

2)c. weather balloons are launched simultaneouslyall overthe US at 12pm and 12am local time.

3) c. 8 utc

3)

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