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Tropical Cyclone Hamish (18P) approaches Eastern Australia

March 8th, 2009 Category: Tropical Cyclones

Tropical Cyclone Hamish (18P) - March 7th, 2009

Tropical Cyclone Hamish (18P) - March 7th, 2009

Tropical Cyclone Hamish - Image Enhanced

Tropical Cyclone Hamish - Image Enhanced

The Eye of Hamish

The Eye of Tropical Cyclone Hamish

Tropical Cyclone 18P HAMISH, located approximately 585 nm north-northwest of Brisbane, Australia, has tracked southeastward at 08 knots over the past 06 hours. The cyclone has rapidly intensified over the past 12 hours with DVORAK satellite intensity estimates from PGTW, KNES, and ABRF, indicating at the weakest a 130 knot system.

Hamish will continue to track along the east coast of Australia under the steering influence of deep layer ridging to the east while weakening. Increased vertical wind shear and land interaction will initiate this weakening.

Greater weakening is expected nearer to tau 24, and through the duration of the forecast period, as the system moves even closer to land and a branch of the subtropical jet. Maximum significant wave height at 071200z is 19 feet.

2 Responses to “Tropical Cyclone Hamish (18P) approaches Eastern Australia”

  1. 1
    jow:

    This is a very intresting post. The four main needs for a tropical cyclone are descending air, Eye wall, Eye And an abundant source of warm moist air.

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