By: Times News Service Muscat: There is a possibility that the Sultanate will be affected by a trough of low pressure starting from 29th April and lasting till 1st May, 2021, the Civil Aviation Authority (CAA) announced on Tuesday. A statement issued online by CAA said: “The National Multi-Hazard Early Warning Centre weather analysis indicates that the Sultanate may be affected by a trough of low pressure (Al Khair Trough) starting from Thursday, April 29 to Saturday, May 1, 2021.” There is a possibility of rains of varying intensity, sometimes thunderstorms accompanied by active winds and hail in most of the governorates of the Sultanate.