The minimum temperature here on Saturday rose above freezing point as the authorities sounded an avalanche warning for higher reaches of the Kashmir Valley and Ladakh region. Divisional administration issued the high avalanche warnings for hilly areas in Baramulla, Kupwara, Kulgam, Ganderbal, Shopian, Anantnag, Leh and Kargil districts, advising people living there not to venture out of their homes till the warnings were withdrawn. District magistrates of the districts were asked to supervise all relief and rescue operations in avalanche-prone areas. Twenty one people, including 15 army soldiers, died in snow-triggered tragedies, including avalanches, roof collapses etc since Tuesday in Jammu and Kashmir.