Thunder clouds were formed with the combination of local water moisture resulting in brief thunder shower, meteorologist Subas Rimal told RSS.
According to him, there is a change of weather for short interval in the hilly region towards the afternoon during the present pre-monsoon weather phenomena resulting in thunder shower. Today's rainfall is this type of rain, he added.
Reports have been received of occurrence of hailstone along with thunder showers at different places in the eastern and central parts of the country. However, this has no impact in the western parts of the country, the Weather Forecasting Division stated.
The sudden thunder shower with hailstone obstructed vehicular movement in the Kathmandu Valley, the Metropolitan Traffic Police Division said.
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