As slowly things look up to Monsoon 2021 getting back on track after nearly 2 weeks of subdued performance over the west coast it is also time to look at a gradual reduction in the thunderstorm activity over Peninsular India, particularly over the leeward places of Andhra Pradesh, South Interior Karnataka & Tamil Nadu. But as it happens always the last couple of days as the transition happens between break & active phases, particularly when the Low Pressure area that almost always becomes the trigger for Monsoon to get back on track remains the most anticipated phase not only in terms of intensity of thunderstorms but also a bit of selfish expectation for a spell or two of rains for Chennai.
Today’s wind chart pretty much sums up the transition period with conflicting wind patterns seen as wind convergence at multiple levels over Peninsular India sets up another stormy evening over the interior areas of South India. The conflicting wind convergences in principle does not make much of a difference for the interior areas as they will benefit from storms that are triggered by these wind instabilities & day time heating which then end up moving slow or remain practically stationary dumping rains in those regions.
The losers will be the coastal areas which miss out on those storms that normally move from West to East as the day progresses & at times interacting with the sea breeze front closer to the coast & strengthening once again while nearing coastal areas like Chennai. This leaves coastal areas under the mercy of sea breeze induced thunderstorms which many a times happens about 15 to 20 kms away from the coast and does not move much. Nevertheless as the low firms up over the Bay the wind pattern becomes favorable for Chennai just before the LPA forming giving one or two days of very good rains, this week will be no difference with one spell due before the monsoon picks up pace after 10th July.
Weather Blogging is a hobby that requires a lot of patience & the ability to absorb regular disappointments not to forget the huge amount of efforts needed to keep observing for the right type of weather patterns that may give us hope.