Sunday, 1 March 2015

Heavy Rains Lash Goa on March 1, 2015!

Goa was lashed by thunderstorm in the early morning hours of March 1, 2015! Rain accompanied by thunder and lightening was reported from all the areas in Goa. It led to collapse of Electriacl supply from Maharashtra Grid supply plunging Goa into total darkness!

Vagaries Goa rain Gauge at Margao recorded 49 mm (2 inches) of rainfall between 0315 hrs to 0600 hrs.

As per IMD Meteorological Analysis from their website

The Western Disturbance as an upper air cyclonic circulation over Afghanistan & adjoining Pakistan extending upto 3.1 km above mean sea level persists with a trough aloft roughly along Longitude 63.0°E and north of Latitude 15.0°N. Due to deepening of the westerly trough into central Arabian sea, wind confluence is continuing over central India and neighbourhood.

The induced upper air cyclonic circulation over south Rajasthan & adjoining Gujarat extending upto 2.1 km above mean sea level persists.

The upper air trough from Bihar to south Chhattisgarh has become less marked, however an upper air cyclonic circulation lies over north Chhattisgarh & adjoining East Madhya Pradesh and extends upto 1.5 km above mean sea level.

The upper air cyclonic circulation over Comorin area and adjoining Srilanka has become less marked.
Under The influence of these factors Goa along with North Konkan, Mumbai, Saurashtra, Kutch and Central Maharashtra was expected to receive rainfall from February 28 continuing to March 1 and 2.
The 850 hPa Wind chart on the left clearly indicates the SW winds lashing Goa and N Konkan under the influence of the westerly trough, and extending into Central Maharashtra. The satellite image on the right shows a massive thunderstorm approaching Goa around midnight of February 28.

Till 0830 hrs on March 1, by which time rains had almost stopped, Ponda recorded the maximum rainfall of 54 mm. The rainfall for the other centres are as below:

Morning over Goa was partly overcast and rainfall is expected at a few places on March 1 evening and at isolated places on March 2, before retreating!

Overcast Skies at Margao at 1000 hrs, March 1, 2015


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