Strong westerly wind shear kept Jerry asymmetric for most of this week. The shear was decreasing somewhat on Friday, but nearly all of Jerry’s intense showers and thunderstorms (convection) were still located well south and east of the storm’s ill-defined central circulation. Jerry’s sprawling yet sloppy structure meant it couldn’t take full advantage of ample deep ocean heat content and unusually warm water for early October (sea surface temperatures of 29-30 degrees Celsius or 84-86 degrees Fahrenheit are about 1°C or 2°F above average).
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