The rain-soaked Bistupur roundabout in Jamshedpur on Sunday afternoon. (Bhola Prasad)
Ranchi, Jamshedpur, Hazaribagh and several other parts of the state woke up to overcast skies on Sunday that brought down maximum temperatures and prompted weathermen to issue rain and thundershower alert for the next two days.
A duty officer at Ranchi Meteorological Centre said an upper-air cyclonic circulation over western Madhya Pradesh - coupled with a troughline stretched between eastern Bihar and Andhra Pradesh, and passing through Jharkhand - was leading to heavy moisture incursion.
"This will result in rainfall and thunder in the next 48 hours. Ranchi, Jamshedpur, Hazaribagh, Koderma, Palamau and many other places woke up to cloudy weather, which prevented the mercury from rising throughout the day," the Met official said.
Jamshedpur on Sunday recorded 2.4mm of rainfall while Daltonganj reported traces. Reports of light showers, accompanied by thunder and lightning, also poured in from places such as Khunti, Ramgarh and Seraikela-Kharsawan districts.
Weathermen at Patna Meteorological Centre, which too keeps tabs on Jharkhand's weather, said the cyclonic circulation over western Madhya Pradesh was extending 0.9km above mean sea level while the troughline that had formed on Sunday morning was crossing Gangetic Bengal, Jharkhand and Odisha.
"Today's chart analysis and satellite pictures reveal fluctuating wind pattern. Rainfall and thunderstorm activities are expected in isolated pockets of Jharkhand during the next 48 hours," said a senior analyst in Patna, but in the same breath hinted at a fresh Western Disturbance that is likely to impact the weather around March 23.
Sunday's cloud cover dragged down maximum temperatures by two to three degrees in Ranchi, Jamshedpur and several other places.
Ranchi recorded 27.4°C, which is normal according to Met data. On Saturday, the state capital had been warmer at 30.7°C.
Jamshedpur read 32.8°C, one notch above normal. On Saturday, the local IMD observatory in the steel city had recorded 35.2°C.
In Daltonganj, the Palamau headquarters, the maximum temperature nosedived to around 26°C compared to 33.6°C 24 hours ago. Sunday's maximum in Daltonganj was five notches below normal.
Director of Ranchi Meteorological Centre B.K. Mandal said minimum temperatures, which have been hovering between a cool 16°C and 17°C in Ranchi, Jamshedpur and Daltonganj, were expected to witness a rise by two to three degrees because of the prevailing cloud cover.