4. For the shape of hydrometeor shown below, if the long axis is 2 mm across, wh

Question

4. For the shape of hydrometeor shown below, if the long axis is 2 mm across, which is likely to be the case for differential reflectivity? a) Zdr 0 b) Zdr>0 Answer is b. 5. For the same shape hydrometeor in #6, if the long axis is 5 cm, what would your answer be? Zdr> 0. This would remain my answer because all that is being extended is the horizontal axis and this is still represented of rain or possibly melting hail. 6. If your answer to #7 is different than for #6, explain what causes the difference. If they are the same, can you think of any size for which the given shape would produce a different range of Zdr values and why?

Explanation / Answer

If you see the shape of the hydrometeor then as per given data long axis is 5cm so the zdr will also decrease as the long axis increases .If the long axis is 2 cm(as given in the 1st question) then the zdr will be more than zero because the ration factor allows it ,in case of 5 cm also the zdr will be more than 0 but the value will be very low what you can say tends to zero.

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