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Typhoon Champi Brings Wind and Rain to Iwo To

Typhoon Champi brought wind and rain to Iwo To on Friday night. At 11:00 p.m. EDT on Friday the center of Typhoon Champi was located at latitude 25.4°N and longitude 139.9°E which put it about 105 miles (165 km) west of Iwo To. Champi was moving toward the north at 13 m.p.h. (20 km/h). The maximum sustained wind speed was 75 m.p.h. (120 km/h) and there were wind gusts to 90 m.p.h. (145 km/h). The minimum surface pressure was 982 mb.

Bands of showers and thunderstorms on the eastern side of Typhoon Champi brought wind and rain to Iwo To on Friday night. Although the center of Champi was passing west of Iwo To, the circulation around the typhoon was producing gusty winds and rain over the island. The core of Typhoon Champi was passing west of Iwo To. Winds to typhoon force extended out 25 miles (40 km) from the center of Champi. However, winds to tropical storm force extended out 100 miles (160 km) from the center of circulation.

Typhoon Champi will move through an environment unfavorable for intensification during the next several days. Champi will move over water where the Sea Surface Temperatures are near 27°C. It will move under the southeastern part of an upper level trough over Japan. The trough will produce southwesterly winds which will blow toward the top of the typhoon. Those winds will cause moderate vertical wind shear. The wind shear will inhibit intensification, but Typhoon Champi could maintain its intensity during the next 12 hours. The vertical wind shear will increase on Saturday, when Champi moves closer to the upper level trough. Typhoon Champi will weaken when the shear increases. Champi will also move over cooler water by Sunday.

The upper level trough over Japan will steer Typhoon Champi toward the northeast during the weekend. On its anticipated track Champi will move away from Iwo To on Saturday. Typhoon Champi could be southeast of Tokyo in 30 hours.

Champi Strengthens to a Typhoon Southwest of Iwo To

Former Tropical Storm Chanpi strengthened to a typhoon southwest of Iwo To on Friday morning. At 5:00 a.m. EDT on Friday the center of Typhoon Champi was located at latitude 22.5°N and longitude 139.2°E which put it about 230 miles (370 km) southwest of Iwo To. Champi was moving toward the north at 11 m.p.h. (17 km/h). The maximum sustained wind speed was 75 m.p.h. (120 km/h) and there were wind gusts to 90 m.p.h. (145 km/h). The minimum surface pressure was 982 mb.

The circulation around Typhoon Champi exhibited better organization on Friday morning. There was a small, circular eye at the center of Champi. The eye was surrounded by a ring of strong thunderstorms and the strongest winds were occurring in that ring of storms. Bands of showers and thunderstorms were revolving around the core of Typhoon Champi. The strongest rainband wrapped around the northern, western and southern sides of Champi. Bands in the eastern side of the typhoon consisted mainly of showers and lower clouds. The circulation around Typhoon Champi was relatively small. Winds to typhoon force extended out 30 miles (50 km) from the center of Champi. Winds to tropical storm force extended out 100 miles (160 km) from the center of circulation.

Typhoon Champi will move through an environment somewhat favorable for intensification during the next 24 hours. Champi will move over water where the Sea Surface Temperatures are near 29°C. It will move under the southeastern part of an upper level trough over Japan. The trough will produce southwesterly winds which will blow toward the top of the typhoon. Those winds will cause some vertical wind shear. The wind shear will inhibit intensification, but Typhoon Champi could strengthen during the next 24 hours. The vertical wind shear will increase during the weekend, when Champi moves closer to the upper level trough.

Typhoon Champi will move around the western end of a surface high pressure system during the next 24 hours. The high will steer Champi toward the north during that time period. On its anticipated track the center of Typhoon Champi will pass west of Iwo To on Friday night. Bands on the eastern side of Champi could bring gusty winds and locally heavy rain to Iwo To. The upper level trough over Japan will steer Typhoon Champi toward the northeast during the weekend. Champi could be southeast of Tokyo in 48 hours.

Tropical Storm Champi Strengthens South of Iwo To

Tropical Storm Champi strengthened south of Iwo To on Wednesday. At 11:00 p.m. EDT on Wednesday the center of Tropical Storm Champi was located at latitude 18.9°N and longitude 140.1°E which put it about 435 miles (680 km) south of Iwo To. Champi was moving toward the north at 6 m.p.h. (10 km/h). The maximum sustained wind speed was 60 m.p.h. (95 km/h) and there were wind gusts to 75 m.p.h. (120 km/h). The minimum surface pressure was 992 mb.

Tropical Storm Champi continued to strengthen on Wednesday. The inner end of a rainband wrapped most of the way around the center of Champi. Stronger thunderstorms were occurring in bands east and south of the center of circulation. Bands in the northwestern side of the tropical storm consisted primarily of showers and lower clouds. Storms near the center of circulation generated upper level divergence that pumped mass away from the tropical storm. Winds to tropical storm force extended out 70 miles (110 km) from the center of Champi.

Tropical Storm Champi will move through an environment favorable for intensification during the next 36 hours. Champi will move over an area where the Sea Surface Temperatures are near 29°C. It will move under the southeastern portion of an upper level ridge centered east of the Philippines. The ridge will produce northeasterly winds that will blow toward the top of the tropical storm. Those winds will cause some vertical wind shear. The vertical wind shear will slow the rate of intensification, but it will not be large enough prevent Tropical Storm Champi from strengthening. Champi will intensify during the next 36 hours and it is forecast to strengthen to a typhoon.

Tropical Storm Champi will move around the western end of a subtropical high pressure system over the Western North Pacific Ocean during the next 48 hours. The high will steer Champi toward the north during the next two days. On its anticipated track Tropical Storm Champi could be southwest of Iwo To in 36 hours.

Tropical Storm Champi Develops West of the Marianas

Tropical Storm Champi developed west of the Marianas on Tuesday night. At 11:00 p.m. EDT on Tuesday the center of Tropical Storm Champi was located at latitude 15.3°N and longitude 139.9°E which put it about 320 miles (515 km) west-northwest of Guam. Champi was moving toward the west-northwest at 9 m.p.h. (15 km/h). The maximum sustained wind speed was 40 m.p.h. (65 km/h) and there were wind gusts to 50 m.p.h. (80 km/h). The minimum surface pressure was 1000 mb.

The circulation around former Tropical Depression 06W strengthened on Tuesday night and the Japan Meteorological Agency designated the system as Tropical Storm Champi. More thunderstorms formed near the center of Tropical Storm Champi. The inner end of a rainband wrapped around the eastern and northern sides of the center of Champi. Other bands of showers and thunderstorms were revolving around the center of circulation. Storms near the center generated upper level divergence that pumped mass away from the tropical storm. Winds to tropical storm force extended out 50 miles (80 km) from the center of circulation.

Tropical Storm Champi will move through an environment favorable for intensification during the next 48 hours. Champi will move over an area where the Sea Surface Temperatures are near 29°C. It will move between an upper level low northeast of the Marianas and and upper level ridge over eastern Asia. The upper level winds are weak between the upper low and the ridge and there will be little vertical wind shear. Tropical Storm Champi will intensify during the next 48 hours and it could strengthen to a typhoon.

Tropical Storm Champi will move around the western end of a subtropical high pressure system over the Western North Pacific Ocean during the next 48 hours. The high will steer Champi toward the north during the next several days. On its anticipated track Tropical Storm Champi could be southwest of Iwo To in 48 hours.