Maha May Re­ceive Be­low-av­er­age Rain­fall in May

But most re­gions in the country are likely to get av­er­age or above-av­er­age rain­fall dur­ing the month

The Economic Times - - Economy: Macro, Micro & More - Our Bureau

Pune: Ma­ha­rash­tra is likely to re­ceive be­low-av­er­age rain­fall dur­ing May, ac­cord­ing to In­dian In­sti­tute of Trop­i­cal Me­te­o­rol­ogy’s ex­per­i­men­tal fore­cast, which does not au­gur well for the state which is reel­ing un­der its worst drink­ing wa­ter cri­sis.

The cli­mate fore­cast sys­tem ver­sion 2 (CFSv2), the ex­per­i­men­tal model of the Pune-based in­sti­tute, which is even­tu­ally set to be­come the op­er­a­tion model of the In­dia Me­te­o­ro­log­i­cal De­part­ment or IMD. Be­sides Ma­ha­rash­tra, western parts of Gu­jarat and Ra­jasthan, and parts of Jhark­hand, Ch­hat­tis­garh and Odisha, are likely to re­ceive be­low-av­er­age rain­fall. How­ever, the rest of the country is likely to re­ceive av­er­age to above av­er­age rain­fall dur­ing May in the runup to the mon­soon sea­son, as per the fore­cast.

Be­low-av­er­age rain­fall till now has led to heat wave con­di­tions in In­dia, in­clud­ing Ma­ha­rash­tra, where wa­ter stor­age in the reser­voirs in Marath­wada re­gion has de­clined to just 3% of their ca­pac­ity. The in­tense heat, pre­vail­ing due to ab­sence of mois­ture in the air, has caused faster evap­o­ra­tion of reser­voir wa­ter. “We have heat wave con­di­tions in the country, be­cause the April pre-mon­soon rain­fall has been lower than nor­mal, es­pe­cially in south Penin­sula and east­ern In­dia,” said Su­nita Devi, di­rec­tor (weather sec­tion) at IMD in Pune. The cu­mu­la­tive rain­fall across In­dia be­tween March 1 and April 20 was 6% be­low av­er­age. How­ever, weather of­fi­cials said that the defi- ciency looks less be­cause rain­fall in March was higher than av­er­age while that be­tween April 14 and April 20 was 20% be­low av­er­age.

“The pre­vail­ing wind pat­tern is such that the mois­ture laden mar­itime air is not in­trud­ing the sub­con­ti­nent,” Devi said.

Weather sci­en­tists have, how­ever, cau­tioned that the weather sit­u­a­tion can change any­time in the trop­i­cal belt. “There are very few mod­els as of now to get the long range pre-sea­sonal rain­fall fore­cast. The skill of a sin­gle model, that too an ex­per­i­men­tal model, is limited,” said one of the sci­en­tists.

Be­low av­er­age rain­fall till now has led to heat wave con­di­tions in In­dia

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