Uttarakhand's Weather Takes Sudden Turn: Fog, Cold Grip Doon Valley; Snow Expected for Christmas

• Uttarakhand's weather changed abruptly from December 20, with dense fog and cold winds enveloping Doon Valley and plains.
• IMD issued a yellow alert for 'dense to very dense' fog in Dehradun, Haridwar, and Udham Singh Nagar districts.
• Snowfall is predicted above 3000-3500 meters in Uttarkashi, Chamoli, Rudraprayag, Pithoragarh, with light rain in other areas.
• The weather disruption caused delays in flights and trains, including Kalinga Express, Amritsar-Dehradun, Mumbai-Haridwar, and Hemkunt Express.
• Tourists are flocking to Mussoorie, Nainital, Auli, Dhanaulti for a "white Christmas" and New Year, boosting hotel bookings.

Why It Matters: Sudden cold and fog hit Uttarakhand, but snowfall hopes boost Christmas tourism in hill stations.