Monday, December 06, 2021

Posted on 6th December Monday night 

Forecast for next 3 days (7th to 9th December):


Mumbai: Rise in day temperature due easterly winds. Max temperature likely to be around 34°C, dry afternoons. Sea breeze setting in by late afternoon/evening. Nights will be in the range of 20-21°C. 

Interiors in Thane district may see min temperature dropping to 16-17°C.

Pune: Winter chill will be felt, especially after sunset. Min temperature may drop to around 11-12°C. Outskirts may see slightly lower temperature.

1 comment:

NilaY Wankawala said...

Credit Australian Government Bureau of metereology latest issued 07 12 2021

Issued 07 December 2021

The latest Climate Driver Update and Climate Model Summary are now available on the Bureau's website.

La Niña firmly established in the tropical Pacific

ENSO Outlook
Our ENSO Outlook provides
up-to-date information on the likelihood of an El Niño or La Niña developing.

ENSO Outlook dial showing LA NIÑA status
Current status: LA NIÑA

La Niña is firmly established in the tropical Pacific. Climate models suggest this La Niña will persist until the late southern hemisphere summer or early autumn 2022. La Niña events increase the chance of above average rainfall across much of northern and eastern Australia during summer.

Most El Niño–Southern Oscillation (ENSO) indicators show clear La Niña patterns. Sea surface temperatures in the tropical Pacific have cooled to La Niña thresholds, with climate model outlooks expecting them to cool further. In the atmosphere, cloud and wind patterns are typical of La Niña, indicating the atmosphere is responding to the changes in ocean temperatures. This feedback process is known as "coupling", and it means La Niña conditions are now expected to be locked in until at least the end of summer.

The negative Indian Ocean Dipole (IOD) is near its end, with IOD index values in the neutral range. However, some signs of the negative IOD persist with increased cloud over the eastern Indian Ocean and strengthened westerly winds. Climate models predict the IOD will remain neutral for the coming months, consistent with its typical seasonal cycle.

The Madden–Julian Oscillation (MJO) has recently entered the western Pacific and strengthened. The MJO is forecast to progress eastwards across the western Pacific over the coming fortnight, which increases the likelihood of above average cloudiness and rainfall across northern Australia and the western Pacific. It also increases the chance that the monsoon will develop in the Australian region in the next week or two—a little earlier than normal.

The Southern Annular Mode (SAM) continues to be positive and is forecast to remain positive levels to at least to the end of the year. A positive SAM during summer typically brings wetter weather to eastern parts of Australia, but drier than average conditions for western Tasmania.

Climate change continues to influence Australian and global climate. Australia's climate has warmed by around 1.44 °C for the 1910–2019 period. Rainfall across northern Australia during its wet season (October–April) has increased since the late 1990s. In recent decades there has been a trend towards a greater proportion of rainfall from high intensity short duration rainfall events, especially across northern Australia.


More information

Media enquiries: (03) 9669 4057 media@bom.gov.au

Next update expected on 21 December 2021

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