Advance of Monsoon and associated weather advisory

By Vikaspedia on 10 Jun 2018 | read
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Monsoon Advance :

Southwest Monsoon has further advanced into some more parts of Central Arabian Sea, remaining parts of Goa, Karnataka and Rayalaseema, some parts of south Konkan, south Madhya Maharashtra, Marathwada, Vidarbha, south Chhattisgarh and south Odisha, entire Telangana, most parts of Coastal Andhra Pradesh, remaining parts of West Central Bay of Bengal and most parts of North Bay of Bengal. The Northern Limit of Monsoon (NLM) passes through Lat. 17°N/ Long. 60°E, Lat. 17°N/ Long. 70°E, Ratnagiri. Solapur, Nanded, Adilabad, Bailadila, Malkangiri, Kalingapatnam, Lat. 21°N/ Long. 90°E, Agartala, Lumding, north Lakhimpur and Lat. 29°N/ Long. 95°E.

Conditions are favorable for further advance of Southwest Monsoon into some more parts of Central Arabian Sea, Maharashtra (including Mumbai), Chhattisgarh  & Odisha  and remaining  parts of Coastal Andhra Pradesh during next 24 hours.

Conditions are very likely to become favorable for further advance of Southwest Monsoon into most parts of Arabian  Sea, remaining parts of Maharashtra,  some parts of south Gujarat region, southern parts of Madhya Pradesh, some more parts  of Chhattisgarh and Odisha, some  parts of West Bengal & Sikkim, remaining parts of Northeastern States and Bay of Bengal during the subsequent 48 hours.

Strengthening of Monsoon leading to enhanced rainfall activity along west coast:

Increased rainfall activity over coastal Karnataka, Goa and south Maharashtra is likely to continue till 10 June.

Date-wise heavy rainfall warning for the next five days is given in the following table:

Region

08 June

09 June

10 June

11 June

12 June

Coastal Karnataka

Scattered heavy to very heavy with isolated extremely heavy

Isolated heavy to very heavy

Isolated heavy to very heavy

Isolated heavy

Isolated heavy to very heavy

Goa

Scattered heavy to very heavy with isolated extremely heavy

Scattered heavy to very heavy

Isolated heavy to very heavy

Isolated heavy to very heavy

Isolated heavy.

South Konkan

Scattered heavy to very heavy with isolated extremely heavy

Scattered heavy to very heavy with isolated extremely heavy

Scattered heavy to very heavy

Isolated heavy to very heavy

Isolated heavy.

North Konkan

Scattered heavy to very heavy

Scattered heavy to very heavy with isolated extremely heavy

Scattered heavy to very heavy

Isolated heavy to very heavy

Isolated heavy

South interior Maharashtra

Scattered heavy to very heavy with isolated extremely heavy

Scattered heavy to very heavy with isolated extremely heavy

Isolated heavy

Nil

Nil

North interior Maharashtra

Nil

Isolated heavy

Isolated heavy

Nil

Nil

Legends:

Heavy: 64.5-115.5 mm/day; Very heavy: 115.6-204.4 mm/day; Extremely heavy: more than 204.4 mm/day

Wind warning: In association with strong monsoon conditions over Arabian Sea, squally wind speed reaching 40-50 kmph gusting to 60 kmph likely along and off Konkan and Goa coasts during 8 June.

Sea condition: Sea condition will be rough to very rough over east central Arabian Sea off Konkan and Goa coasts as well as over west central and adjoining southwest Arabian Sea off Somalia coast during 8 June.

Fishermen warning: Fishermen are advised not to venture into over east central Arabian Sea off Konkan and Goa coasts as well as west central and adjoining southwest Arabian Sea off Somalia coast during 8 June.

    Formation of low pressure system:

    A low pressure area is very likely to form over north Bay of Bengal during next 24 hours. It is very likely to intensify into a depression during the subsequent 48 hours and move towards Bangladesh coast.

    Heavy rainfall warning: Rainfall activity will increase over north Odisha, West Bengal & Sikkim, Assam and Meghalaya during 9-11 June with occurrence of isolated heavy to very heavy rainfall.

    Wind warning: Squally wind speed reaching 40-50 gusting to 60 kmph wind is very likely over north Bay of Bengal along and off West Bengal, Odisha and Bangladesh coasts during 9 June.

    State of Sea: Sea condition will be rough to very rough during this period over north Bay of Bengal along and off West Bengal, Odisha, Bangladesh and Myanmar coasts.

    Fishermen warning: Fishermen are advised not to venture into north Bay of Bengal during 9 June.

    Source : PIB

     

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