Know about Super Cyclone Phailin, half the size of India

New Delhi: Cyclone Phailin (pronounced phie-leen) is half the size of India and is strengthening quickly as it it heads for land.An atmospheric beast is forming in the Bay of Bengal and heading straight for India. Cyclone Phailin— it's a Thai word for “sapphire”—has exploded from tropical storm strength to potentially the equivalent of a category 5 hurricane. Meteorologists can't precisely determine Phailin's current strength because there are no “hurricane hunter“ aircraft taking direct measurements of storms in the Indian Ocean basin. The Joint Typhoon Warning Center (JTWC), a Hawaii-based forecasting outpost of the US Navy, says Phailin is undergoing “extreme rapid intensification.”While strengthening, the storm has grown to nearly half the size of India itself (image via University of Wisconsin)The storm's growth, both in size and in strength, is expected to continue until landfall. The latest forecasts show Phailin hitting land on Saturday near Brahmapur, India, at the strength of a category 4 hurricane:That forecast may, in fact, be conservative. Waters over the Bay of Bengal are exceptionally warm right now—more than 28°C, which is the generally agreed upon threshold above which rapid intensification of tropical cyclones is most likely.The last storm of this magnitude to hit India was the 1999 Odisha cyclone, which killed more than 10,000 people and caused $4.5 billion in damage. That storm hit the same general area that Phailin appears to be headed, at about Phailin's predicted strength.India's official meteorological service has had trouble keeping up with the quickly strengthening storm. In the agency's latest official update, Phailin's current intensity was listed as 50 mph (80 kph), weaker than current satellite estimates. That discrepancy could lead to local confusion and an underestimating of the storm's true threat.For example, the predicted landfall intensity commonly quoted on Thursday of 105-115 mph (175-185 kph) was perhaps 40 mph (70 kph) too low, according to the latest JTWC forecast.The government's official storm surge forecast shows a maximum value at landfall of a little over 3 feet (1 meter). The 1999 cyclone produced a storm surge of 26 feet (8 meters), a value that is not impossible with Phailin.Should the storm maintain its current strength—or strengthen even further—India could be facing a true catastrophe. A worst case scenario would have Phailin tracking slightly eastward of its current forecasted track, toward Kolkata and the Ganges Delta of Bangladesh, which is home to tens of millions of people living just a few meters above sea level.Storm surge and freshwater flooding from heavy rains are generally the biggest threats from landfalling cyclones in the Bay of Bengal region, home to the most deadly storms in modern history. Two reasons why Phailin may pack a particularly hefty punch: an ample finish to the 2013 monsoon season has saturated soils along India's coastline, aggravating Phailin's flooding potential. Plus, a forthcoming ‘eyewall replacement cycle' could act to further grow Phailin's size and extent of storm surge damage.In the absence of direct measurements, meteorologists use satellites to estimate the strength of storms like Phailin. One reliable technique shows Phailin is continuing to strengthen and may have already achieved the status of a “super cyclone,” the highest on India's scale and the equivalent of a category 4 or 5 hurricane.

Know about Super Cyclone Phailin, half the size of India

New Delhi: Cyclone Phailin (pronounced phie-leen) is half the size of India and is strengthening quickly as it it heads for land.An atmospheric beast is forming in the Bay of Bengal and heading straight for

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