Q.  A devastating cloud burst swept over on August 2010. Which one of the following statements with regard to Cloud Burst is not correct?

1. Cloud Burst is a localized weather phenomenon representing highly concentrated rainfall over a small area in a short duration of time
2. Cloud Burst occurs due to upward movement of moisture-laden air with sufficient rapidity to form cumulonimbus clouds
3. Cloud Burst occurs only in hilly areas
4. There is no satisfactory technique till now for predicting Cloud Burst