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Bolaven (16W) Transitions to Extratropical Storm

39.7N 126.7E

August 29th, 2012 Category: Tropical Storms

Tropical Storm Bolaven (16W) – August 27th, 2012

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Track of Tropical Storm Bolaven (16W) - August 28th, 2012 © Univ. of Wisconsin

Track of Ts 16W

Although the still images show the system at greater strength, Tropical Storm Bolaven (16W), has now fully transitioned to an extratropical storm, as is evident in the animated imagery.

It is located approximately 350 nm north of Seoul, South Korea, and has tracked north-northeastward at 29 knots. Over the past six hours. the storm has become fully embedded within the baroclinic zone as it has tracked over land.

There is a noticeable dry slot in animated water vapor satellite imagery, with convection moving to the periphery of the storm, and increasing translation speeds, all indicative of a storm that has become an extratropical system. 

Tropical Storm Bolaven (16W) 115 Nautical Miles West of Seoul, South Korea

33.8N 128.0E

August 28th, 2012 Category: Tropical Storms

Tropical Storm Bolaven (16W) – August 27th, 2012

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Track of Tropical Storm Bolaven (16W) - August 28th, 2012 © Univ. of Wisconsin

Track of Ts 16W

Tropical Storm Bolaven (16W), located approximately 115 nm west of Seoul, South Korea, has tracked northward at 23 knots over the past six hours. Maximum significant wave height is 34 feet.

Typhoon Bolaven (16W) South-southwest of South Korea

38.4N 123.9E

August 28th, 2012 Category: Tropical Cyclones

Typhoon Bolaven (16W) – August 26th, 2012

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Track of Typhoon Bolaven (16W) - August 27th, 2012 © Univ. of Wisconsin

Track of TY 16W

Typhoon Bolaven (16W), located approximately 280 nm south-southwest of Seoul, South Korea, has tracked northward at 16 knots over the past six hours. Maximum significant wave height is 40 feet.

Typhoon Bolaven (16W) Tracking Northwestward

23.0N 126.0E

August 24th, 2012 Category: Tropical Cyclones

Typhoon Bolaven (16W) – August 23rd, 2012

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Track of Typhoon Bolaven (16W) - August 23rd, 2012 © Univ. of Wisconsin

Track of TY 16W

Typhoon Bolaven (16W), located approximately 445 nm southeast of Kadena Airforce Base, Okinawa, Japan, has tracked northwestward at 6 knots over the past six hours. Maximum significant wave height is 43 feet.

Bolaven (16W) Upgraded to Category 1 Typhoon – August 22nd, 2012

38.0N 149.2E

August 22nd, 2012 Category: Tropical Cyclones

Typhoon Bolaven (16W) – August 21st, 2012

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Track of Typhoon Bolaven (16W) - August 21st, 2012 © Univ. of Wisconsin

Track of TY 16W

Typhoon Bolaven (16W) is currently churning in the Pacific Ocean.

On August 18, the JTWC started to monitor a tropical disturbance that had developed within a trough of low pressure, about 530 km (330 mi) to the southwest of Hagatna in Guam.

During that day the disturbance gradually developed further, before during the next day the JMA started to monitor the system as a tropical depression, while the JTWC issued a tropical cyclone formation alert.

On August 20, both the JMA and the JTWC upgraded the system to a tropical storm and named it Bolaven. Early on August 21, the JMA upgraded Bolaven to a severe tropical storm. Later, the JMA upgraded Bolaven to a typhoon, while the JTWC reported that Bolaven had become equivalent to a category 1 typhoon.

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