The Provincial Disaster Management Authority (PDMA) has issued an alert for heat waves, rains and storms in Punjab this week.The spokesperson of PDMA has said that there is a possibility of 3 to 5-degree rise in day temperature in Punjab during today and tomorrow.He said that in most districts of Punjab dusty winds and rains with thunder are expected. There is also a possibility of heavy rains in various districts of Punjab on Friday and Saturday.Source: Radio Pakistan