Temperatures across South Haryana, North Rajasthan and parts of North Madhya Pradesh have dropped significantly. Many districts over these areas have been observing minimums even less than 4-degree mark.
Parts of Rajasthan have been witnessing minimums below 4 degrees. In fact, Sikar has recorded its minimum at 0 degree while the minimum in Sri Ganganagar settled at 2.2 degree Celsius. Due to this, frost formation has taken place in Sri Ganganagar. This frost has furthermore damaged several mustard crops in Sri Ganganagar which has in turn increased the worry of farmers in the region.
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Whenever, temperatures drop to 4 degrees or less and skies remain clear, formation of frost is expected over these areas. Due to rapid cooling of the earth’s surface, the air near the surface also cools down. When temperatures reach near the dew point, water vapor in the air condenses and turns into dew.
Whenever this dew falls on the Earth, it freezes leading to formation of frost. Frost is harmful for the crops and vegetation as it covers the leaves of plants and blocks the stomata of the leaves. If it persists for longer duration, it leads to damage of the crops.
Fortunately, winds are changing from northwesterly to southwesterly due to the approach of fresh Western Disturbances. Thus, increase in temperatures is expected which will lead to abatement of frost conditions.
The remedies to save these crops before the formation of frost is to irrigate the farms when the water is available as irrigated crops are not affected by frost.
Please Note: Any information picked from here must be attributed to skymetweather.com