Why in the News?
The higher reaches of Kashmir Valley witnessed snowfall and the plains received rain as Chillai-Kalan, the harshest 40 day winter phase, began on December 21, 2025.

What is Chillai Kalan
- Meaning: Big cold in Kashmiri
- Duration: 40 days
- Period: December 21 to January 30
- Significance: Coldest phase of winter in Kashmir
- Belief: Rain or snow on the first day is considered a good omen and indicates heavy snowfall ahead
Importance of the Precipitation
- Ended a prolonged dry spell in the Valley
- Helped reduce dust and dryness
- Expected to improve water availability and snow reserves
- Dry winter last year had caused
- Health issues like cough and cold
- Problems for agriculture and tourism sector
Follow-Up Cold Phases
After Chillai Kalan, Kashmir experiences two shorter cold spells
- Chillai Khurd meaning small cold
- Chillai Bacha meaning baby cold
Prelims Pointers
- Chillai Kalan is unique to Kashmir climate tradition
- Heavy snowfall during this phase replenishes glaciers and water sources
- Gulmarg and Sonamarg are key winter tourism centres
- Sadhna Top is strategically important due to its proximity to the Line of Control
| [2015] Consider the following statements:
1. The winds which blow between 30° N and 60° S latitudes throughout the year are known as westerlies. 2. The moist air masses that cause winter rains in North-Western region of India are part of westerlies. Which of the statements given above is/are correct? (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2 |
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