The last couple of days have seen thunderstorm activity taper off over the Peninsular India with mostly isolated rains sticking to places closer to the Western Ghats. One of the key reasons for this was the absence of any pronounced wind instability as Easterlies took control after the UAC that gave widespread rains the last…
With the first fortnight of April behind us, it is that time of the year to look forward to Westerly winds strenthening and making the seasonal shift in wind pattern from East to West. More often than not the pre monsoon disturbance triggers the seasonal shift in winds both during Summer & Winter Monsoon periods….
The last few days have seen parts of South Tamil Nadu recieve rains like a peak Northeast Monsoon day as convective thunderstorms made the best out of conditions that are not often seen. Bright sunshine & heat from summer days and abundant moisture supplied from a near stationary circulation creating perfect conditions for not only…
According to IMD’s Daily Rainfall graph for Tamil Nadu & Pondicherry Sub division the accumulated rainfall for the Pre Monsoon Season (March to May) is 26.3 mm against the average of 32.2 mm for the period upto April 10th. Ironically of the 26.3 mm accumulated since 1st of March the last two days has given…
Couple of days back many places in Kerala & parts of South Tamil Nadu saw fairly intense thunderstorm activity as the west to east moving CCKW (Convectionally coupled Kelvin Wave) enhanced the effect of wind instability triggering the Veppasalanam thunderstorms. On 6th April many places in Ernakulam, Kottayam & adjacent Idukki districts saw 3 /…
