vagaries© of the weather.blog written by rajesh kapadia.concentrating on meteorology of the Indian sub continent and extreme world weather since 55 years
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Mumbai Air Quality Index on 2nd January 2021
In comparison Delhi: 458. Pune 166.
It rained in Mumbai. Sir please suggest about climate in Mumbai in coming days.why air quality is very bad these days?
Mumbai no proper sunlight cloudy rainy days..... as if nearing monsoon.Ironical stuff after 4 months again Mumbai back to torrential rainy season !
Australian Government Bureau of metereology latest issued 05 01 2021Issued 5 January 2021 The latest Climate Driver Update and Climate Model Summary are now available on the Bureau's website. La Niña has likely reached its peak, but impacts likely through summer The 2020–21 La Niña is likely to have peaked in terms of sea surface temperatures in the Pacific Ocean. However, impacts associated with La Niña, such as above-average rainfall, are expected to persist across eastern and northern Australia through the summer months, with climate outlooks indicating above-average rainfall is particularly likely across the eastern third of the country. Over the past fortnight here has been little change in sea surface temperatures across the central Pacific Ocean, which have been close to the La Niña threshold of 0.8 °C below average since early December. However, the Southern Oscillation Index has risen sharply and is currently at +18.8, well above the La Niña threshold of +7. Model outlooks indicate the strength of La Niña is likely to ease in the coming weeks with a likely return to neutral conditions during the late southern summer or early autumn. The Southern Annular Mode (SAM) continues to be strongly positive. While positive SAM often occurs during La Niña, the current event is also being driven by an exceptionally strong polar vortex over Antarctica. Positive SAM values are expected until late January 2021. A positive SAM at this time of year typically increases the chance of rainfall in eastern Australia. The Madden–Julian Oscillation (MJO) is located over the Indian Ocean. It is relatively weak, although most models indicate it may strengthen marginally in the coming week. The MJO is not expected to significantly influence tropical weather in the Australian region in the coming fortnight. Climate change is also influencing the Australian climate. Rainfall across northern Australia during its wet season (October–April) has increased since the late 1990s, with a greater proportion of high intensity short duration rainfall events. More informationMedia enquiries: (03) 9669 4057 firstname.lastname@example.org Next update expected on 19 January 2021
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