List three reasons that snow predictions made by meteorologists are sometimes incorrect. explain your response.

The following are the three reasons due to which sometimes the snow predictions made by the meteorologists are incorrect:  

a. Over-dependency on computers and not performing field works.  

b. Sometimes the presence of pollutants in the air makes weather forecasting tougher.  

c. In the majority of the situations, the meteorologists based their results on probability, and thus, chances of errors upsurges at certain times.  

not always but somethings can be reproduced in a laboratory.