Jun 17, 2024 -
The early arrival of Southwest monsoon over the Northeastern state has brought continuous heavy rainfall over the area. This conditions improved the rainfall deficiency over the seven sisters. The Assam valley along with Meghalaya had a deficiency of 55% while the rest area having deficiency of 45%. Conditions changed a bit after the arrival of monsoon as Assam reached just near the normal value while Meghalaya just didn't overcome its deficiency but it now has a excess amount of rainfall clocking at 31%.
A circulation over Northeast Assam & adjoining Arunachal Pradesh extending up to Mid level amplified by humid southerlies from the Bay of Bengal creating perfect conditions of development significant convective cell over Meghalaya. Yesterday Williamnagar in Meghalaya recorded extremely heavy rainfall of 225 mm. Lumding in Arunachal Pradesh also recorded 203.5 mm of heavy rainfall. Missed the mark of extremely heavy rainfall just by 1 mm. 12 places in Assam recorded heavy rainfall while 7 places recorded very heavy rainfall. The continuous rainfall improved the rainfall deficiency over Western Assam, Southern Meghalaya & hilly areas of Tripura. The main threat of the current spell will be focused on there. The Northern states of Seven sisters - Assam, Meghalaya & Arunachal Pradesh has chance to receive isolated extremely heavy showers even, particularly Meghalaya where exceptionally heavy rainfall could occur where rainfall value stands more than 500 mm. The peak of this activities will be on Jun 18th & conditions will improve after that although isolated heavy rainfall will still occur due to the topographic conditions of Northeast.
Coincidentally Assam also saw a similar flood previous year around Jun 22nd to Jun 23rd. Similar conditions also expected this year. District like Bajali, Baksa, Barpeta, Biswanath, Chirang, Darrang, Dhemaji, Dhubri, Dibrugarh, Golaghat, Hojai, Kamrup, Kokrajhar, Lakhimpur, Nagaon, Nalbari, Sonitpur, Tamulpur, and Udalguri in Assam would be in threat due to rise in water level on various river like Diphu, Barak, Manas,Kopili etc.
We advise everyone to keep your distance from the riverside & be careful when leaving near a steep gradient for avoiding being swept away from sudden flash floods, landslide or mudslide. The flood could also damage roads & disconnect many locality from nearby town. Further network disruption is also possible. Contamination in drinking water & outbreak of various disease from that could make ill or kill people further. To avoid that its better to move from the threat area or to get enough necessary food & water supply. The flood water could also ruin kutcha house or damage several house & those could be leave in that conditions for a longer time while some places may remain without connectivity for a longer time. This things cause further mental trauma for those who witness it. People also get lonely if they lost there family members or dearest people's. We will monitor the situation & let you know always before time in case.
For getting more information about weather & flood stay tuned with us to get prepared yourself in advance
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