The Cellar - We've been Learning about Birth'n Hurricanes

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On 31 August (Thursday), two storms had rolled off of Africa. The leftmost of these two is now expected to become hurricane Florence on Friday, 8 September as it travels north of Puerto Rico and the Bahamas. Its projected curve appears to roll up the American east coast but well out to sea.

Meanwhile, over in the eastern Pacific, the 11th tropical storm formed while the 10th one at one point became a category 3 hurricane (John). Pacific Ocean is taking our hurricanes this year. Many head for San Diego but never get there. Boring hurricane season.

Of those two 31 Aug storms, the second one also intensified to become Gordon. As the hurricane season winds down (and most storms past across Central America to become something like 12 Eastern Pacific tropical storms), we have this ninth Atlantic storm and an unusual comment from an NHC forecaster:

Quote:

I DID NOT MAKE ISAAC A HURRICANE BECAUSE THE CONVECTION SURROUNDING THE CENTER IS NOT VERY STRONG AT THE TIME OF THIS ADVISORY...BUT I WAS VERY TEMPTED. A QUIKSCAT PASS OVER THE CYCLONE SHOWED A FEW VECTORS OF 60 KNOTS JUST TO THE NORTH OF THE CENTER. HOWEVER...I AM NOT SURE IF THESE VECTOR ARE REPRESENTATIVE OR NOT OF THE INTENSITY OF ISAAC...SINCE THERE IS ALWAYS A LOT OF GOOD DEBATE ABOUT THE SUBJECT AMONG THE QUIKSCAT EXPERTS. HOWEVER...THESE WINDS ARE ONLY 5 KNOTS ABOVE THE DVORAK INTENSITY ESTIMATES...AND I AM NOT GOING TO ARGUE OVER 5 KNOTS. SO LET'S USE THE VECTORS AND INCREASE THE WINDS TO 60 KNOTS. UNANIMOUSLY...ALL INTENSITY MODELS BRING ISAAC TO HURRICANE STATUS BEFORE THE SHEAR INCREASES AND THE OCEAN COOLS...AND SO DOES THE OFFICIAL FORECAST.

It was an extremely active and destructive hurricane season throughout the world. But the Atlantic coast only saw maybe 10 tropical storms. This year, storm tracks took a more southern path across northern South America. Therefore the Pacific coast now has its 19th hurricane - Sergio. This is the second hurricane just this month (November).

Western Pacific also suffered numerous hurricanes including multiple strikes to Tiawan, one on Hong Kong, etc. Long since lost the number but the western Pacfic suffered multiple category 5 hurricanes this year. It was an extremely active hurricane season. Unites States residents got lucky this year. Sergio:

It´s the Global Warming