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Posts tagged 05B

Tropical Cyclone Jal (05B) Expected to Make Landfall Near Chennai, India

November 7th, 2010 Category: Tropical Cyclones

Tropical Cyclone Jal (05B) - November 6th, 2010

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Track of TC 05B

Tropical Cyclone Jal (05B), located approximately 170 nm east-southeast of Chennai, India, has tracked west-northwestward at 10 knots over the past six hours.

Animated infrared satellite imagery and an SSMIS microwave pass depict tightly curved low level banding wrapping into a well-defined low level circulation center (LLCC) with deep central convection displaced slightly west of the system center.

The current intensity has remained steady at 70 knots based on Dvorak estimates ranging from 55 to 77 knots. Maximum significant height is 22 feet.

TC Jal remains south of the ridge axis in an area of strong upper level diffluence and good equatorward outflow in the western quadrants. Vertical wind shear over the system has relaxed slightly, which may allow the system to intensify slightly before making landfall near Chennai, India within the next 12 to 18 hours.

TC 05B has been tracking along the southern periphery of a deep-layer subtropical steering ridge and is
expected to continue along a northwestward track throughout the forecast period. The system will weaken as it tracks inland and dissipate below warning criteria (35 knots) for the north Indian Ocean basin by TAU 48. There remains a slight chance the system could re-intensify if it re-emerges in the northeastern Arabian Sea.

Convection Associated with Tropical Cyclone Five (05B) South of Irrawaddy Delta – November 5th, 2010

10.4N 86.7E

November 5th, 2010 Category: Image of the day, Rivers, Tropical Storms

Tropical Cyclone Five (05B) - November 5th, 2010

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Tropical Cyclone Five (05B), located approximately 500 nm east-southeast of Chennai, India, has tracked west-northwestward at 07 knots over the past six hours. The main images focuses on convection associated with the storm, south of the Irrawaddy (Ayeyarwady) delta in Myanmar.

The cyclone has maintained an intensity of 45 knots as it consolidates under moderate vertical wind shear. Banding features are still somewhat fragmented in enhanced infrared imagery. However, central convection continues to build.

Dvorak estimates from PGTW have steadied at a 3.0/3.0 or 45 knots over the past few fix cycles. The current position is based on imagery that places the low level circulation center within the eastern semicircle as convection shears westward.

Track of TC 05B

The system is tracking along the southern periphery of a subtropical steering ridge located to the north of the cyclone. It will continue to track along this ridge throughout the forecast, making landfall with India after TAU 48, but not before strengthening to near 75 knots.

A decrease in vertical wind shear, favorable upper-tropospheric outflow mechanisms, and a deep pool of warm water will all support intensification. After landfall the system will rapidly weaken and dissipate prior to emerging into the Arabian Sea.  Maximum significant wave height is 12 feet.

Tropical Cyclone Ward (05B) Makes Landfall Near Trincomalee, Sri Lanka

8.5N 81.2E

December 15th, 2009 Category: Tropical Storms

Tropical Cyclone Ward (05B) - December 13th, 2009

Tropical Cyclone Ward (05B) - December 13th, 2009

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Tropical Cyclone Ward (05B), located approximately 140 nm northeast of Colombo, Sri Lanka, has tracked west-southwestward at 3 knots over the past six hours. The current intensity is based on Dvorak estimates of 30 knots. Maximum significant wave height is 10 feet.

Animated multispectral satellite imagery indicates that the low level circulation center (LLCC) has become increasingly disorganized with bursts of deep convection east of the center. A TRMM 37V Ghz image shows that the LLCC is located along the east coast of Sri Lanka with weakly curved banding.

After wandering some time to the east of Sri Lanka, the system made landfall near Trincomalee on December 14th. TC 05B is currently drifting west-southwestward and is expected to continue tracking across the east coast of Sri Lanka, and dissipate within the next 12 hours.

Tropical Cyclone 5B forms in the Indian Ocean

November 14th, 2008 Category: Tropical Cyclones

Tropical Cyclone 5B in the Indian Ocean - November 14th, 2008

Tropical Cyclone 5B in the Indian Ocean - November 14th, 2008

Tropical Cyclone 5B - enhanced image

Tropical Cyclone 5B - enhanced image

An area of convection in the Indian Ocean has intensified to cyclone status and been designated Tropical Cyclone 05B.

The storm, located approximately 280 nautical miles east of Madras, India, has moved northward at 5knots over the past six hours.

The cyclone shows good outflow and improved convective banding.

Upper level analysis indicates a favorable environment for further strengthening before the system reaches land.

The cyclone’s maximum significant wave height is 11feet.

source JTWC