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Clouds to make way for cold

- Weathermen promise mercury plunge by Tuesday

For those of you who hated to be caught unawares in sudden showers on Saturday, eyed the cloudy sky on Sunday with distaste and prefer winter to be crispy cold and not clammy, here’s good news.

Weathermen say that by Tuesday, the cloud cover will clear, paving the way for sunny blue sky and a sharp drop in night temperatures, making sub-10 chill a major possibility in the next 48 hours.

Weathermen at the Patna Meteorological Centre on Sunday said the sky would start clearing in the next 24 hours, though there would be rain and thundershowers in isolated pockets.

Commuters to, from and in Ranchi will also find moderate fog blanketing the capital and nearby areas, with surface visibility reduced to 1,000-1,200 metres.

“Clouds jacked up relative humidity in the atmosphere. That’s why temperatures will take a day to drop. Expect the chill to return by Tuesday, when the sky becomes clear,” director of Patna Meteorological Centre A.K. Sen said.

Formation of low clouds, dense fog and rain in many of Jharkhand’s districts on Saturday was due to the impact of a low-pressure trough extending 1km above sea level between eastern Bihar and north coastal Odisha across Jharkhand and Gangetic Bengal.

Cloud pushed up night readings in Ranchi, Jamshedpur and Daltonganj rapidly, while Dhanbad and Bokaro saw a lesser rise.

According to Met data, Sunday night readings of Ranchi read 11.1°C, three notches above normal, against 10.1°C on Saturday. The steel city on Sunday recorded night readings of 14.8°C, a whopping six notches above normal, while on Saturday, the weather office in Jamshedpur clocked 11.7°C. Daltonganj notched 15.3°C on Sunday, five degrees above normal, higher than 14.5°C on Saturday.

Night temperatures also rose in Koderma, Dumka, Khunti, Simdega and Ramgarh. Ghatshila, Chaibasa and Seraikela in Kolhan stayed around 14 degrees on Sunday, while they had recorded around 11 degrees on Saturday.

From Saturday 8.30am to Sunday 8.30am, Giridih, Garhwa and Bokaro received over 15mm of rain, while Ranchi, Daltonganj and Bero recorded 6mm. Due to the low-pressure trough, several places including Jamshedpur, Ghatshila, Seraikela in Kolhan region saw unseasonal showers late on Saturday evening.

On January 6, Jharkhand woke up to freak weather. Several places, including Ranchi and Jamshedpur experienced unseasonal rain due to cyclonic circulation hovering over neighbouring Odisha-Bengal border, coupled with the impact of western disturbance in northern India.

It paved the way for a moderate cold wave condition on January 8 in just 48 hours, due to which Ranchi, Daltonganj, Bokaro, Latehar, Garhwa and Hazaribagh pushed night temperatures down to three-four notches below normal.