Heavy overnight rains triggered a cloudburst on the outskirts of Dehradun, leading to severe flooding and prompting extensive rescue operations by the National Disaster Response Force (NDRF) and State Disaster Response Force (SDRF). The Tamsa River swelled dramatically, causing flash floods that swept away cars, shops, and significant portions of roads. The historic Tapkeshwar Mahadev Temple, a revered pilgrimage site, was submerged, underscoring the severity of the deluge.