Rare Cyclone Brushes Arabian Peninsula

NASA's Tropical Rainfall Measuring Mission (TRMM) satellite captured this image of Gonu as it was moving northwest through the central Arabian Sea. Taken on Mon., Jun. 4 at 0323 UTC (11:23 p.m. EDT on Sun., Jun. 3), it shows the horizontal distribution of rain intensity looking down on the storm. TRMM reveals the tell-tale signs of a potent storm. Not only does Gonu have a complete, well-formed symmetrical eye surrounded by an intense eyewall (innermost red ring), this inner eyewall is surrounded by a concentric outer eyewall (outermost red and green ring). This double eyewall structure only occurs in very intense storms. Eventually the outer eyewall will contract and replace the inner eyewall.

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