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Tropical Storm Kong-rey Moves Over East China Sea

Tropical Storm Kong-rey moved over the East China Sea on Thursday night.  At 11:00 p.m. EDT on Thursday the center of Tropical Storm Kong-rey was located at latitude 27.3°N and longitude 121.2°E which put the center about 75 miles (120 km) southeast of Wenzhou, China.  Kong-rey was moving toward the north-northeast at 18 m.p.h. (30 km/h).  The maximum sustained wind speed was 65 m.p.h. (105 km/h) and there were wind gusts to 80 m.p.h. (130 km/h).  The minimum surface pressure was 983 mb.

Former Typhoon Kong-rey weakened to a tropical storm as it moved across Taiwan on Thursday.  The mountains in Taiwan significantly disrupted the circulation in the lower levels of Kong-rey.  The circulation in the middle and upper levels of Tropical Storm Kong-rey remained more intact.  Bands of showers and thunderstorms were occurring in the eastern side of Kong-rey’s circulation.  Bands in the western side of Tropical Storm Kong-rey consisted primarily of showers and lower clouds.

The circulation around Tropical Storm Kong-rey was still large.  Winds to tropical storm force extended out 200 miles (320 km) from the center Kong-rey.

Tropical Storm Kong-rey will move through an environment unfavorable for intensification during the next 24 hours.  Kong-rey will move over water where the Sea Surface Temperatures are near 25°C.  An upper level trough over eastern China will produce southwesterly winds that will blow toward the top of Kong-rey’s circulation.  Those winds will cause strong vertical wind shear.  In addition, the western side of Tropical Storm Kong-rey will pull drier air over Asia into the tropical storm.  Cooler water, strong vertical wind shear, and drier air will cause Kong-rey to continue to weaken during the next 24 hours.  The cooler water and strong wind shear will cause Tropical Storm Kong-rey to make a transition to an extratropical cyclone on Friday.

The upper level trough will steer Tropical Storm Kong-rey toward the northeast during the next 24 hours.  On its anticipated track, the center of Kong-rey will move near the coast of Zhejiang during the next 24 hours.  Tropical Storm Kong-rey could approach western Kyushu in 24 hours.

Bands in the western side of Tropical Storm Kong-rey will bring strong winds and locally heavy rain to coastal parts of Zhejiang on Friday.  Kong-rey could bring gusty winds and locally heavy rain to western Japan on Saturday.

Typhoon Kong-rey Brings Wind and Rain to Taiwan

Typhoon Kong-rey brought strong winds and heavy rain to Taiwan on Thursday.  At 5:00 a.m. EDT on Thursday the center of Typhoon Kong-rey was located at latitude 23.6°N and longitude 121.1°E which put the center about 25 miles (40 km) south of Hualien, Taiwan.  Kong-rey was moving toward the northwest at 15 m.p.h. (24 km/h).  The maximum sustained wind speed was 115 m.p.h. (185 km/h) and there were wind gusts to 145 m.p.h. (235 km/h).  The minimum surface pressure was 947 mb.

The center of Typhoon Kong-rey made landfall on the east coast of Taiwan south of Hualien early on Thursday.  Kong-rey was the equivalent of a major hurricane at the time of landfall.  Winds to typhoon force extended out 90 miles (145 km) from the center of Kong-rey’s circulation.  Winds to tropical storm force extended out 290 miles (465 km) from the center of Typhoon Kong-rey.

The Hurricane Intensity Index (HII) for Typhoon Kong-rey was 20.1.  The Hurricane Size Index (HSI) was 30.8 and the Hurricane Wind Intensity Size Index (HWISI) was 50.9.  Typhoon Kong-rey was similar in size and intensity to Hurricane Ike when Ike hit Texas in 2008.

Typhoon Kong-rey was producing strong winds over much of Taiwan.  Those winds were capable of causing major damage.  Kong-rey was also dropping heavy rain over much of Taiwan.  The heavy rain in likely to cause flash floods in many locations.

Typhoon Kong-rey will move around the western end of a high pressure system over the Western North Pacific Ocean.  The high pressure system will steer Kong-rey toward the north-northwest during the next 12 hours.  An upper level trough over eastern China will turn Kong-rey toward the north-northeast on Friday.  On its anticipated track, Typhoon Kong-rey will move across Taiwan during the next few hours.  Kong-rey will move over the East China Sea and it will approach the east coast of China in 18 hours.

Typhoon Kong-rey will weaken today as it moves across Taiwan.  Kong-rey is unlikely to intensify when it moves over the East China Sea.  Kong-rey will move over water where the Sea Surface Temperatures are near 29°C.  However, the upper level trough over eastern China will produce southwesterly winds that will blow toward the top of Kong-rey’s circulation.  Those winds will cause the vertical wind shear to increase.  More vertical wind shear will cause Kong-rey to continue to weaken after it moves over the East China Sea.

Bands on the western side of Typhoon Kong-rey will bring strong winds and heavy rain to the east coast of China.  Strong winds and locally heavy rain will affect coastal regions in Fujian and Zhejiang.

 

Typhoon Krathon Stalls Southwest of Taiwan

Typhoon Krathon stalled just to the southwest of Taiwan on Tuesday evening.  At 11:00 p.m. EDT on Tuesday the center of Typhoon Krathon was located at latitude 21.7°N and longitude 119.4°E which put the center about 100 miles (160 km) southwest of Kaohsiung, Taiwan.  Krathon was moving toward the east at 2 m.p.h. (3 km/h).  The maximum sustained wind speed was 115 m.p.h. (185 km/h) and there were wind gusts to 145 m.p.h. (235 km/h).  The minimum surface pressure was 956 mb.

Typhoon Krathon stalled just southwest of Taiwan on Tuesday.  As Krathon’s circulation remained nearly stationary, strong winds mixed cooler water to the surface of the ocean.  The cooler water reduced the energy available to be transferred to the atmosphere and Typhoon Krathon gradually weakened.

Even though Typhoon Krathon weakened on Tuesday, Krathon was still the equivalent of a major hurricane.  A circular eye with a diameter of 25 miles (40 km) was at the center of Typhoon Krathon.  The eye was surrounded by a ring of thunderstorms and the strongest winds were occurring in that ring of storms.  Bands of showers and thunderstorms revolved around the core of Krathon’s circulation.  Storms near the core of Krathon generated upper level divergence that pumped mass away from the typhoon.

The circulation around Typhoon Krathon was very symmetrical.  Winds to typhoon force extended out 60 miles (95 km) from the center of Krathon’s circulation.  Winds to tropical storm force extended out 160 miles (260 km) from the center of Typhoon Krathon.

The Hurricane Intensity Index (HII) for Typhoon Krathon was 20.6.  The Hurricane Size Index (HSI) was 18.6 and the Hurricane Wind Intensity Size Index (HWISI) was 39.2.  Typhoon Krathon was similar in intensity to Hurricane Rita when Rita hit Louisiana in 2005.  Krathon was not quite as big as Rita was.

Typhoon Krathon will move through an environment mostly favorable for intensification during the next 24 hours.  Krathon will be over water where the Sea Surface Temperatures are near 27°C.  It will be under the axis of an upper level ridge over eastern China.  The upper level winds are weak near the axis of the ridge and there will be little vertical wind shear.  However, as long as the core of Typhoon Krathon remains over the cooler water it is mixing to the surface of the ocean, Krathon will continue to gradually weaken.

Typhoon Krathon will be in an area where the steering currents are weak during the next few hours.  An upper level trough over southern China will start to steer Krathon toward the slowly northeast on Wednesday.  The center of Krathon could make landfall on the coast of Taiwan northwest Kaohsiung in 24 hours.

Bands in the northeastern part of Typhoon Krathon are already dropping heavy rain on parts Taiwan.  Krathon will bring strong winds and heavier rain to the southwestern part of Taiwan when it moves closer to the coast.  Heavy rain will cause flash floods.  Typhoon Krathon could also cause a storm surge of up to 10 feet (3 meters) on the coast of southwestern Taiwan.

Elsewhere over the Western North Pacific Ocean, Tropical Storm Jebi sped rapidly northeast of Japan.  At 11:00 p.m. EDT on Tuesday the center of Tropical Storm Jebi was located at latitude 43.1°N and longitude 150.5°E which put the center about 300 miles (485 km) east of Kushiro, Japan.  Jebi was moving toward the northeast at 41 m.p.h. (67 km/h).  The maximum sustained wind speed was 70 m.p.h. (110 km/h) and there were wind gusts to 85 m.p.h. (135 km/h).  The minimum surface pressure was 976 mb.

Tropical Depression Pulasan Moves Near Shanghai

Tropical Depression Pulasan moved near Shanghai on Thursday.  At 11:00 a.m. EDT on Thursday the center of Tropical Depression Pulasan was located at latitude 30.8°N and longitude 121.6°E which put the center about 50 miles (80 km) south-southeast of Shanghai, China.  Pulasan was moving toward the northwest at 15 m.p.h. (24 km/h).  The maximum sustained wind speed was 35 m.p.h. (55 km/h) and there were wind gusts to 45 m.p.h. (75 km/h).  The minimum surface pressure was 998 mb.

Former Tropical Storm Pulasan weakened to a tropical depression as it approached Shanghai on Thursday.  Pulasan brought gusty winds and heavy rain to the region around Shanghai.

The distribution of thunderstorms in Tropical Depression Pulasan was asymmetrical.  Thunderstorms were occurring in bands in the northern side of Pulasan’s circulation.  The bands in the southern side of the circulation consisted primarily of showers and lower clouds.

Tropical Depression Pulasan will move around the western end of a high pressure system over the Western North Pacific Ocean.  The high pressure system will steer Pulasan toward the north-northwest during the next 24 hours.  On its anticipated track, Tropical Depression Pulasan will move north of Shanghai.

Tropical Storm Pulasan will continue to bring gusty winds and locally heavy rain to the area north of Shanghai during the next 12 hours.  Heavy rain could cause floods in some locations.

Tropical Storm Pulasan Brings Gusty Winds and Rain to Okinawa

Tropical Storm Pulasan brought gusty winds and rain to Okinawa on Wednesday.  At 5:00 p.m. EDT on Wednesday the center of Tropical Storm Pulasan was located at latitude 27.5°N and longitude 126.9°E which put the center about 35 miles (55 km) north of Okinawa.  Pulasan was moving toward the northwest at 15 m.p.h. (24 km/h).  The maximum sustained wind speed was 50 m.p.h. (80 km/h) and there were wind gusts to 65 m.p.h. (105 km/h).  The minimum surface pressure was 998 mb.

Tropical Storm Pulasan brought gusty winds and locally heavy rain to parts of Okinawa on Wednesday.  A weather station in Oku, Japan reported 5.04 inches (128 mm) of rain.  A weather station in Yoronjima Island reported 3.66 inches (93 mm) of rain.

The distribution of thunderstorms in Tropical Storm Pulasan was asymmetrical.  Thunderstorms were occurring in bands in the northern and eastern sides of Pulasan’s circulation.  Bands in the southern and western sides of Tropical Storm Pulasan consisted primarily of showers and lower clouds.

The distribution of wind speeds in Tropical Storm Pulasan was also asymmetrical.  Winds to tropical storm force extended out 320 miles (520 km) in the northwestern, northeastern and southeastern quadrants of Pulasan’s circulation.  The winds in the southwestern quadrant of Tropical Storm Pulasan were blowing at less than tropical storm force,

Tropical Storm Pulasan will move through an environment marginally favorable for intensification during the next 24 hours.  Pulasan will move over water where the Sea Surface Temperatures are near 30°C.  It will move under the northern side of a large upper level low centered southeast of China.  The upper level low will produce easterly winds that will blow toward the top of Pulasan’s circulation.  Those winds will cause strong vertical wind shear. The strong wind shear will inhibit intensification.  Tropical Storm Pulasan could maintain its intensity during the next 24 hours if the wind shear does not get any stronger.  Pulasan will weaken if the vertical wind shear increases.

Tropical Storm Pulasan will move around the northern side of a large counterclockwise circulation southeast of China that is sometimes called a monsoon gyre.  The large counterclockwise circulation will steer Pulasan quickly toward the west-northwest during the next 24 hours.  On its anticipated track, Tropical Storm Pulasan will be near Shanghai, China in 24 hours.

Tropical Storm Pulasan will bring gusty winds and locally heavy rain to the region around Shanghai.  Flooding is still occurring from the recent passage of Typhoon Bebinca over the same area.  Additional heavy rain will make flooding worse.

 

Tropical Storm Pulasan Forms Southeast of Ryukyu Islands

Tropical Storm Pulasan formed over the Western North Pacific Ocean southeast of the Ryukyu Islands on Monday.  At 11:00 p.m. EDT on Monday the center of Tropical Storm Pulasan was located at latitude 19.3°N and longitude 137.8°E which put the center about 450 miles (725 km) south-southwest of Iwo To.  Pulasan was moving toward the west-northwest at 22 m.p.h. (35 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 997 mb.

The circulation around Tropical Storm Pulasan was very large, but there were not many thunderstorms present.  Bands revolving around the center of Pulasan’s circulation consisted primarily of showers and lower clouds.  Thunderstorms were occurring in a band in the far eastern periphery of Tropical Storm Pulasan.  Thunderstorms were also occurring in a band in the far southern periphery of Pulasan’s circulation.

The circulation around Tropical Storm Pulasan was very large, but the distribution of wind speeds was asymmetrical.  Winds to tropical storm force extended out 265 miles (425 km) in the eastern side of Pulasan’s circulation.  The winds in the western side of Tropical Storm Pulasan were blowing at less than tropical storm force.

Tropical Storm Pulasan will move through an environment marginally favorable for intensification during the next 24 hours.  Pulasan will move over water where the Sea Surface Temperatures are near 30°C.  It will move under the eastern side of a large upper level low centered east of Taiwan.  The upper level low will produce southwesterly winds that will blow toward the top of Pulasan’s circulation.  Those winds will cause strong vertical wind shear.  The strong wind shear will inhibit intensification.  Tropical Storm Pulasan could intensify a little during the next 24 hours if the wind shear does not get any stronger.

Tropical Storm Pulasan will move around the northern side of a large counterclockwise circulation sometimes called a monsoon gyre.  The large counterclockwise circulation will steer Pulasan quickly toward the west-northwest during the next 36 hours.  On its anticipated track Tropical Storm Pulasan will be near the Ryukyu Islands in 36 hours.

Tropical Storm Pulasan will bring gusty winds and locally heavy rain to the Ryukyu Islands.  Heavy rain could cause flash floods in some locations.

Elsewhere, former Typhoon Bebinca weakened to a tropical depression over eastern China.  At 11:00 p.m. EDT on Monday the center of Tropical Depression Bebinca was located at latitude 32.0°N and longitude 117.0°E which put the center about 100 miles (160 km) west of Nanjing, China.  Bebinca was moving toward the west-northwest at 12 m.p.h. (19 km/h).  The maximum sustained wind speed was 35 m.p.h. (55 km/h) and there were wind gusts to 45 m.p.h. (75 km/h).  The minimum surface pressure was 1004 mb.

Typhoon Bebinca Brings Wind and Rain to Shanghai

Typhoon Bebinca brought wind and rain to Shanghai on Sunday night.  At 11:00 p.m. EDT on Sunday the center of Typhoon Bebinca located at latitude 31.1°N and longitude 121.0°E which put the center about 25 miles (40 km) south-southeast of Shanghai, China.  Bebinca was moving toward the west-northwest at 17 m.p.h. (28 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 970 mb.

The center of Typhoon Bebinca made landfall on the east coast of China just to the southeast of Shanghai on Sunday night.  A small circular eye was present at the center of Bebinca’s circulation at the time of landfall.  The eye was surrounded by a ring of thunderstorms and the strongest winds were occurring in that ring of storms.  Bands of showers and thunderstorms were revolving around the core of Typhoon Bebinca.

The circulation around Typhoon Bebinca was small.  Winds to typhoon force extended out 25 miles (40 km) from the center of Bebinca’s circulation.  Winds to tropical storm force extended out 115 miles (185 km) from the center of Typhoon Bebinca.

Typhoon Bebinca will move around the southern side of a high pressure system over China.  The high pressure system will steer Bebinca toward the west-northwest during the next 24 hours.  On its anticipated track, Typhoon Bebinca will move farther inland over eastern China.

Typhoon Bebinca will bring strong winds and heavy rain to the region of China near Shanghai.  Bebinca will bring strong winds and heavy rain to Jiangsu and Zhejiang.  Heavy rain is likely to cause flash floods in some locations.  Typhoon Bebinca could also cause a storm surge of up to 7 feet (2 meters) along the coast near Shanghai.  Bebinca will weaken as it moves inland, but heavy rain could fall over the region west of Shanghai.

Typhoon Bebinca Brings Wind and Rain to Ryukyu Islands

Typhoon Bebinca brought wind and rain to the Ryukyu Islands on Saturday.  At 11:00 a.m. EDT on Saturday the center of Typhoon Bebinca located at latitude 28.5°N and longitude 128.6°E which put the center about 65 miles (105 km) west-northeast of Amami Oshima.  Bebinca was moving toward the northwest at 15 m.p.h. (24 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 973 mb.

Former Tropical Storm Bebinca strengthened to a typhoon as it passed over the Ryukyu Islands on Saturday.  The center of Typhoon Bebinca passed over Amami Oshima.  A weather station in Naze, Japan reported 8.76 inches (222.5 mm) of rain.  A weather station in Kasari, Japan reported 4.80 inches (122.0 mm) of rain.  That weather station also reported a sustained wind speed of 52 m.p.h. (84 km/h).  A weather station in Koniya, Japan reported 3.33 inches (84.5 mm) of rain.  That weather station also reported a sustained wind speed of 39 m.p.h. (63 km/h).

Former Tropical Storm Bebinca strengthened to a typhoon on Saturday.  The inner end of a rainband wrapped around the eastern, northern and western sides of the center of Bebinca’s circulation.  Bands of showers and thunderstorms were revolving around the core of Typhoon Bebinca.  Storms near the core generated upper level divergence that pumped mass away from the typhoon.  The removal of mass caused the surface pressure to decrease.

The circulation around Typhoon Bebinca became more symmetrical on Saturday.  Winds to typhoon force extended out 30 miles (50 km) from the center of Bebinca’s circulation.  Winds to tropical storm force extended out 115 miles (185 km) from the center of Typhoon Bebinca.

Typhoon Bebinca will move through an environment favorable for intensification during the next 24 hours.  Bebinca will move over water where the Sea Surface Temperatures are near 30°C.  It will move under the axis of an upper level ridge east of China.  The upper level winds are weak near the axis of the ridge and there will be little vertical wind shear.  Typhoon Bebinca will intensify during the next 24 hours.  Bebinca could intensify rapidly at times.

Typhoon Bebinca will move around the southern side of a high pressure system that extends from China to the Western North Pacific Ocean.  The high pressure system will steer Bebinca toward the west-northwest during the next 24 hours.  On its anticipated track, Typhoon Bebinca will approach the east coast of China near Shanghai.

Typhoon Bebinca will bring strong winds and heavy rain to the region of China near Shanghai.  Typhoon Bebinca will bring strong winds and heavy rain to Jiangsu and Zhejiang.  Heavy rain is likely to cause flash floods in some locations.

Typhoon Yagi Hits Hainan

Typhoon Yagi hit Hainan on Friday morning.  At 11:00 a.m. EDT on Friday the center of Typhoon Yagi was located at latitude 20.2°N and longitude 109.8°E which put the center about 25 miles (40 km) west of Haikou, China.  Yagi was moving toward the west-northwest at 13 m.p.h. (20 km/h).  The maximum sustained wind speed was 140 m.p.h. (220 km/h) and there were wind gusts to 165 m.p.h. (265 km/h).  The minimum surface pressure was 928 mb.

Typhoon Yagi brought strong winds and heavy rain to Hainan on Friday morning.  The core of Typhoon Yagi moved over the northeastern part of Hainan.  A small circular eye was present at the center of Yagi’s circulation.  The eye was surrounded by a ring of thunderstorms and the strongest winds were occurring in that ring of storms.  The strongest winds moved over the northern coastal regions of Hainan.  Bands of showers and thunderstorms revolved around the core of Yagi’s circulation.  Storms dropped heavy rain on Hainan and southern China.

The formation of concentric eyewalls on Thursday caused the size of Typhoon Yagi’s circulation to increase.  Winds to typhoon force extended out 70 miles (110 km) from the center of Yagi’s circulation.  Winds to tropical storm force extended out 185 miles (300 km) from the center of Typhoon Yagi.

The Hurricane Intensity Index (HII) for Typhoon Yagi was 28.3.  The Hurricane Size Index (HII) was 24.9 and the Hurricane Wind Intensity Size Index (HWISI) was 53.2.  Typhoon Yagi was similar in size to Hurricane Jeanne when Jeanne hit southeast Florida in 2004.  Yagi was stronger than Jeanne was.

Typhoon Yagi will move through an environment that will be somewhat favorable for intensification during the next 12 hours.  The center of Yagi’s circulation will move over water where the Sea Surface Temperatures are near 30°C.  It will move through a region where the upper level winds are weak and there will be little vertical wind shear.  However, Typhoon Yagi may not intensify during the next 12 hours because the core of Yagi’s circulation was somewhat disrupted as it moved across Hainan.

Typhoon Yagi will move around the southern part of a high pressure system over China.  The high pressure system will steer Yagi toward the west-northwest during the next 24 hours.  On its anticipated track, the center of Typhoon Yagi will reach northeastern Vietnam in 12 hours.  Typhoon Yagi could still be the equivalent of a major hurricane when it reaches VIetnam.

Typhoon Yagi will continue to produce strong winds and heavy rain in parts of Hainan during the  next few hours.  Yagi will be capable of causing major damage in Hainan.  Heavy rain is likely to cause floods in some locations. Typhoon Yagi will also produce strong winds and heavy rain in parts of southern China.  Yagi will produce strong winds and heavy rain in southwestern Guangdong and Guangxi.  Typhoon Yagi will bring strong winds and heavy rain to northeastern Vietnam during the weekend.  Yagi is likely to cause floods in northeastern Vietnam.  Typhoon Yagi could also cause a storm surge of up to 10 feet (3 meters) along the coast of northeastern Vietnam.

Typhoon Yagi Passes South of Hong Kong

Powerful Typhoon Yagi passed south of Hong Kong on Thursday.  At 5:00 p.m. EDT on Thursday the center of Typhoon Yagi was located at latitude 19.3°N and longitude 112.5°E which put the center about 230 miles (370 km) south-southwest of Hong Kong.  Yagi was moving toward the west at 12 m.p.h. (19 km/h).  The maximum sustained wind speed was 150 m.p.h. (240 km/h) and there were wind gusts to 185 m.p.h. (295 km/h).  The minimum surface pressure was 923 mb.

The inner end of a rainband wrapped around the original eye and eyewall at the core of Typhoon Yagi and concentric eyewalls formed.  The formation of concentric eyewalls ended the intensification of Typhoon Yagi, but Yagi was still the equivalent of a Category 4 hurricane on the Saffir-Simpson Scale.

A circular eye with a diameter of 23 miles (37 km) was at the center of Yagi’s circulation.  The eye was surrounded by a ring of thunderstorms and the strongest winds were occurring in that ring of storms.  A second outer ring of thunderstorms surrounded the inner eyewall.  Bands of showers and thunderstorms were revolving around the core of Typhoon Yagi.  Storms near the core of Yagi generated upper level divergence that pumped mass away from the typhoon.

The formation of concentric eyewalls caused the size of Typhoon Yagi’s circulation to increase.  Winds to typhoon force extended out 90 miles (145 km) from the center of Yagi’s circulation.  Winds to tropical storm force extended out 205 miles (330 km) from the center of Typhoon Yagi.

The Hurricane Intensity Index (HII) for Typhoon Yagi was 31.6.  The Hurricane Size Index (HII) was 24.8 and the Hurricane Wind Intensity Size Index (HWISI) was 56.4.  Typhoon Yagi was similar in intensity to Hurricane Laura when Laura hit southwest Louisiana in 2020.  Yagi is bigger than Laura was.

Typhoon Yagi will move through an environment that will be favorable for intensification during the next 12 hours.  Yagi will move over water where the Sea Surface Temperatures are near 30°C.  It will move under the middle of an upper level ridge over the South China Sea.  The upper level winds are weak near the middle of the ridge and there will be little vertical wind shear.  Even though Typhoon Yagi will move through a favorable environment, the concentric eyewalls may prevent Yagi from intensifying.  If the inner eyewalls weakens, then Typhoon Yagi could weaken as well.  If the inner eyewall remains intact, then Typhoon Yagi could intensify during the next few hours.

Typhoon Yagi will move around the southern part of a high pressure system over China.  The high pressure system will steer Yagi toward the west during the next 24 hours.  On its anticipated track, the center of Typhoon Yagi will reach northeastern Hainan in 12 hours.  Typhoon Yagi is likely to be the equivalent of a major hurricane when it reaches Hainan.

Typhoon Yagi will bring strong winds and heavy rain to Hainan.  Yagi will be capable of causing major damage in Hainan.  Heavy rain is likely to cause floods in some locations.  Typhoon Yagi could also cause a storm surge of up to 14 feet (4.3 meters) along the coast of northeastern Hainan.  Yagi will also bring strong winds and heavy rain to southwestern Guangdong and Guangxi.