GUWAHATI: Temperature in Assam - Meghalaya region witnessed a sudden rise in temperature today, July 19, 2018 due to occurrence of less rains in the past three days.
The temperature details unveiled by the Borjhar-based Regional Meteorological Centre (RMC) put Guwahati's maximum temperature at 37 degree Celsius while the minimum temperature was measured at 28 degree Celsius.
"There is no system for rainfall prevailing in the region currently. But rainfall along with a drop in the temperature can be expected from July 21 onwards," informed RC Debnath, RMC Meteorologist D to G Plus.
He further informed that a region receives rainfall when the monsoon trough passes through it. Until 3 days back, the trough was passing through Assam and Meghalaya. But now, the trough is passing Anupgarh, Jaipur, Gwalior, and centre of low pressure area over North Madhya Pradesh and neighbourhood, Daltonganj, Jamshedpur, another centre of low pressure area over Northwest Bay of Bengal and neighbourhood. Then, it'll go East-Southwards to East-Central Bay of Bengal and extend up to 2.1 km above main sea level.
The monsoon thou is expected to reach Assam-Meghalaya region by July 21 and cause rainfall at multiple places for the next three days, which is July 21, 22 and 23. Further, heave rainfall can be expected at a couple of places on July 21.
Monsoon trough is a part of the Inter Tropical Convergence Zone (ITCZ) where the northern hemisphere and southern hemisphere winds meet. This is normally shown as a line connecting the location of monsoon low pressure areas. These troughs run across continents during peak monsoon periods.