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Posts tagged Tropical Cyclone

Tropical Storm Mahasen (01B) Forecast to Maintain Intensity

11.0N 81.7E

May 14th, 2013 Category: Tropical Storms

Tropical Storm Mahasen (01B) – May 12th, 2013

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Track of Tropical Storm Mahasen  (01B) - May 14th, 2013 © Univ. of Wisconsin

Track of TC 01B

Tropical Storm Mahasen (01B) is located near latitude 12°N and longitude 86°E, about 800 km northwest of Car Nicobar, 650 km northeast of Trincomalee, 650 km east-southeast of Chennai and 1280 km south-southwest of Chittagong. The storm is forecast to maintain intensity and move northwards during the next 12 hours, thereafter northeastward towards the coasts of Bangladesh and Myanmar. Sustained maximum surface wind speed is estimated at 75 km/h (45 mph), gusting to 95 km/h (60 mph). Estimated minimum central pressure is at 996 hPa.

Tropical Cyclone Zane (23P) Expected to Dissipate Today

13.9S 144.1E

May 2nd, 2013 Category: Tropical Storms

Tropical Storm Zane (23P) – May 1st, 2013

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Track of Tropical Storm Zane (23P) - May 1st, 2013 © Univ. of Wisconsin

Track of TC 23P

Tropical Cyclone Zane (23P) will dissipate below warning threshold in the next 12 hours due to poor conditions and will further unravel as it interacts with the Cape York Peninsula.

Due to the overall poor organization of the system and forecast unfavorable upper-level environment, this is the final warning on this system by the JTWC, although the system will be closely monitored for signs of regeneration.

Tropical Cyclone Zane (23P) Encountering Increasing Wind Shear

12.5S 143.4E

May 2nd, 2013 Category: Tropical Storms

Tropical Storm Twenty Zane (23P) – May 1st, 2013

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Track of Tropical Storm Zane (23P) - May 1st, 2013 © Univ. of Wisconsin

Track of TC 23P

Dynamic model guidance is continuing to show a poor upper-level environment as Tropical Cyclone Zane (23P) encounters increasing vertical wind shear (VWS) and persistent westerly flow through the forecast period. The system has weakened to a tropical depression. Maximum significant wave height is 18 feet.

Tropical Cyclone Zane (23P) Tracking Northwestward at 10 Knots

12.3S 144.3E

May 2nd, 2013 Category: Tropical Cyclones

Tropical Storm Twenty Zane (23P) – May 1st, 2013

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Track of Tropical Storm Zane (23P) - May 1st, 2013 © Univ. of Wisconsin

Track of TC 23P

Tropical Cyclone Zane (23P), located approximately 270 nm north- northwest of Cairns, Australia, has tracked northwestward at 10 knots over the past six hours.

The initial intensity is assessed at 35 knots based on Dvorak current intensity estimates ranging between 30 to 35 knots and observations in the area. Upper-level analysis reveals an unfavorable environment as strong to moderate (20-30 knots) northwesterly vertical wind shear (VWS) has persisted over the system.

Tropical Storm Zane (23P) Weakening

13.4S 145.5E

May 1st, 2013 Category: Tropical Cyclones

Tropical Storm Zane (23P) – April 30th, 2013

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Track of Tropical Storm Zane (23P) - April 30th, 2013 © Univ. of Wisconsin

Track of TC 23P

Animated infrared satellite imagery of Tropical Cyclone Zane (23P) has revealed an elongating and fully-exposed low level circulation center (LLCC) with convection displaced 185 nm from the LLCC. An SSMI 85ghz microwave image reveals the overall organization of the system has become increasingly poor as the convection has further displaced from the LLCC.

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