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Typhoon Hagupit Makes Landfall in China

Typhoon Hagupit made landfall in China on Monday.  At 5:00 p.m. EDT on Monday the center of Typhoon Hagupit was located at latitude 28.3°N and longitude 120.8°E which put it about 50 miles (80 km) south-southwest of Taizhou, China and about 235 miles (375 km) south of Shanghai.  Hagupit was moving toward the north-northwest at 13 m.p.h. (20 km/h).  The maximum sustained wind speed was 80 m.p.h. (130 km/) and there were wind gusts to 100 m.p.h. (160 km/h).  The minimum surface pressure was 978 mb.

Former Tropical Storm Hagupit strengthened quickly to a typhoon before it made landfall on the east coast of China.  A circular eye formed at the center of circulation.  A ring of strong thunderstorms surrounded the eye and the strongest winds were occurring in that ring of storm.  Winds to typhoon force extended out 35 miles (55 km) from the center of circulation.  Winds to tropical storm force extended out 135 miles (220 km) from the center.

The Hurricane Intensity Index (HII) for Typhoon Hagupit was 11.5.  The Hurricane Size Index (HSI) was 12.0 and the Hurricane Wind Intensity Size Index (HWISI) was 23.5.  Typhoon Hagupit was capable of causing regional minor damage.

Typhoon Hagupit will move around the western end of a subtropical high pressure system over the Western North Pacific Ocean.  The high will steer Hagupit toward the north during the next 24 hours.  On its anticipated track the center of Typhoon Hagupit will pass west of Shanghai in 18 to 24 hours.  Hagupit will bring gusty winds and locally heavy rain to Zhejiang and Jiangsu. Heavy rain could cause flash floods in some locations.  Typhoon Hagupit will also cause a storm surge along the coast of Zhejiang, Jiangsu and Shanghai Shi.

Tropical Storm Hagupit Almost a Typhoon

Tropical Storm Hagupit intensified to almost typhoon strength east of Taiwan on Sunday.  At 11:00 p.m. EDT on Sunday the center of Typhoon Hagupit was located at latitude 25.4°N and longitude 123.2°E which put it about 130 miles (215 km) east of Taipei, Taiwan.  Hagupit was moving toward the north-northwest at 10 m.p.h. (16 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 985 mb.

The circulation around Tropical Storm Hagupit exhibited much greater organization on Sunday night.  The inner end of a rainband wrapped around the center of circulation and an eye emerged on visible satellite imagery.  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 Hagupit.  The strongest rainbands were in the eastern half of the circulation.  Bands in the western half of the tropical storm consisted primarily of showers and lower clouds.  Winds to tropical storm force extended out 115 miles (185 km) from the center of circulation.

Tropical Storm Hagupit will move through an environment favorable for intensification during the next 24 hours.  Hagupit will move over water where the Sea Surface Temperature is near 29°C.  It will move through a region where the upper level winds are weak and there will be little vertical wind shear.  Tropical Storm Hagupit will intensify into a typhoon during the next 6 to 12 hours.

Tropical Storm Hagupit will move around the western end of a subtropical high pressure system over the Western North Pacific Ocean.  The high will steer Hagupit toward the north-northwest during the next 24 to 36 hours.  On its anticipated track Hagupit will approach the coast of China south of Shanghai near Wenzhou in about 24 hours.  It will bring gusty winds and locally heavy rain to the east coast of China.  Heavy rain could cause flash floods in some locations.

Elsewhere, former Tropical Storm Sinlaku dropped locally heavy rain on northern Vietnam and Laos.  At 2:00 p.m. EDT on Sunday the center of Tropical Depression Sinlaku was located at latitude 19.7°N and longitude 103.6°E which put it about 150 miles (240 km) north of Vientiane, Laos.  Sinlaku was moving toward the west at 10 m.p.h. (16 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 996 mb.

Tropical Storms Sinlaku & Hagupit Form over West Pacific

Tropical Storms Sinlaku and Hagupit formed over the Western North Pacific Ocean on Saturday.  At 11:00 a.m. EDT on Saturday the center of Tropical Storm Sinlaku was located at latitude 19.4°N and longitude 107.1°E which put it about 90 miles (145 km) southeast of Nam Dinh, Vietnam.  Sinlaku was moving toward the northwest at 12 m.p.h. (19 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 993 mb.

The circulation around a low pressure system near Vietnam exhibited greater organization on Saturday and the Japan Meteorological Agency designated the system as Tropical Storm Sinlaku.  Bands of showers and thunderstorms were revolving around the center of Sinlaku.  There were more thunderstorms in the bands on the western side of the circulation.  Winds to tropical storm force extended out 110 miles (185 km) from the center of circulation.

Tropical Storm Sinlaku has about 12 hours to strengthen before it makes landfall in northern Vietnam.  Sinlaku will move over water where the Sea Surface Temperature is near 30°.  It will move under the southeast part of an upper level ridge over Asia.  The ridge will produce easterly winds which will blow toward the top of Sinlaku.  Those winds will cause moderate vertical wind shear and the shear will limit intensification.  Tropical Storm Sinlaku will bring gusty winds and rain to northern Vietnam on Sunday.

The circulation around a second low pressure system east of Taiwan also exhibited more organization on Saturday and the Japan Meteorological Agency designated that system as Tropical Storm Hagupit.  At 11:00 a.m. EDT on Saturday the center of Tropical Storm Hagupit was located at latitude 21.8°N and longitude 126.5°W which put it about 220 miles (350 km) southeast of Ishigaki, Japan.  Hagupit was moving toward the northwest at 13 m.p.h. (20 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 1003 mb.

The circulation around Tropical Storm Hagupit was still organizing on Saturday.  Thunderstorms were developing in bands in the eastern half of Hagupit.  Bands in the western side of the circulation consisted primarily of showers and lower clouds.  Storms near the center of Hagupit were generating upper level divergence which was pumping mass away to the east of the tropical storm.

Tropical Storm Hagupit will move through an environment favorable for intensification.  Hagupit will move over water where the Sea Surface Temperature is near 30°C.  Hagupit will move into a region where the upper level winds are weaker and there will not be a lot of vertical wind shear.  Tropical Storm Hagupit is likely to intensify during the next 24 to 36 hours.

Tropical Storm Hagupit will move around the western end of a high pressure system over the Western North Pacific Ocean.  The high will steer Hagupit toward the northwest during the next several days.  On its anticipated track the center of Tropical Storm Hagupit will pass near Ishigaki, Japan in about 24 hours.  Hagupit will approach the coast of China south of Shanghai in about 48 hours.

Weakening Tropical Depression Nuri Makes Landfall West of Hong Kong

A weakening Tropical Depression Nuri made landfall on the coast of China west of Hong Kong on Saturday night.  At 11:00 p.m. EDT on Saturday the center of Tropical Depression Nuri was located at latitude 22.2°N and longitude 111.5°E which put it about 170 miles (280 km) west of Hong Kong.  Nuri was moving toward the northwest at 18 m.p.h. (29 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 1001 mb.

Former Tropical Storm Nuri weakened to a tropical depression as it approached the coast of China on Saturday night.  An upper level ridge centered over China produced northeasterly winds which blew toward the top of former Tropical Storm Nuri.  Those winds caused moderate vertical wind shear and they blew the tops off thunderstorms in the eastern half of Nuri.  The wind shear blocked upper level divergence to the east of the tropical storm and the surface pressure increased.  The wind speed decreased and Nuri was downgraded to a tropical depression as it neared the coast of China.

Tropical Depression Nuri moved around the southwestern part of a subtropical high pressure system over the Western North Pacific Ocean.  The high steered Nuri toward the northwest.  Tropical Depression Nuri made landfall on the coast of China west of Hong Kong.  The center of Nuri crossed the coast between Dianbai and Yangjiang.  The circulation around Tropical Depression Nuri will continue to weaken as it moves farther inland.  Nuri will bring some heavy rain showers to parts of southeastern China before it dissipates.

Tropical Storm Nuri Develops of South China Sea

Tropical Storm Nuri developed over the South China Sea on Friday.  At 5:00 p.m. EDT on Friday the center of Tropical Storm Nuri was located at latitude 18.1°N and longitude 116.4°E which put it about 360 miles (580 km) south-southeast of Hong Kong.  Nuri was moving toward the west-northwest at 12 m.p.h. (19 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 998 mb.

The wind speed around former Tropical Depression 02W increased on Friday and the Japan Meteorological Agency designated the system as Tropical Storm Nuri.  The distribution of thunderstorms around Nuri was asymmetrical.  The strongest thunderstorms were occurring in bands in the southern and western parts of the circulation.  Bands in the eastern and northern portions of Tropical Storm Nuri consisted primarily of showers and lower clouds.  Thunderstorms near the center of Nuri began to generate upper level divergence which pumped mass away from the tropical storm.

Tropical Storm Nuri will move through an environment somewhat favorable for intensification during the next 24 hours.  Nuri will move over water where the Sea Surface Temperature is near 30°C.  It will move under the southwestern part of an upper level ridge centered over eastern China.  The ridge will produce northeasterly winds which will blow toward the top of the circulation.  Those winds will cause some vertical wind shear and the shear will inhibit intensification.  The wind shear could also cause the distribution of thunderstorms to remain asymmetrical.  Tropical Storm Nuri is likely to get stronger during the next 24 hours in spite of the vertical wind shear.

Tropical Storm Nuri will move around the southwestern part of a subtropical high pressure system over the Western North Pacific Ocean.  The high will steer Nuri toward the northwest during the next 24 to 36 hours.  On its anticipated track the center of Tropical Storm Nuri will approach the coast of China southwest of Hong Kong in about 24 hours.  Nuri will drop locally heavy rain over parts of southeastern China.

Tropical Depression Develops West of Luzon

A tropical depression developed west of Luzon on Thursday night.  At 11:00 p.m. EDT on Thursday the center of Tropical Depression 02W was located at latitude 16.3°N and longitude 119.2°E which put it about 135 miles (215 km) northwest of Manila, Philippines.  The depression was moving toward the west-northwest at 14 m.p.h. (22 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 1002 mb.

An area of low pressure moved west of Luzon on Thursday night and several weather agencies classified the system as a tropical depression.  The circulation around Tropical Depression 02W was not well organized.  There were a number of fragmented bands of showers and thunderstorms revolving around the center of the depression.  The strongest thunderstorms were in bands west and north of the center.  Bands east of the center of circulation were still over the Philippines and those bands consisted primarily of showers and lower clouds.

Tropical Depression 02W will move through an environment favorable for intensification during the next 24 to 36 hours.  The depression will move over water where the Sea Surface Temperature is near 30.5°C.  It will move under the southwestern portion of an upper level ridge centered northeast of Taiwan.  The ridge will produce easterly winds which will blow toward the top of the depression.  Those winds will cause some vertical wind shear and the shear will inhibit intensification.  Tropical Depression 02W is likely to intensify into a tropical storm during the next 24 hours in spite of the vertical wind shear.

Tropical Depression 02W will move around the southwestern end of a subtropical high pressure system over the Western North Pacific Ocean.  The high will steer the depression toward the northwest during the next 36 to 48 hours.  On its anticipated track Tropical Depression 02W will approach the coast of China west of Hong Kong in about 48 hours.  It will likely be a tropical storm at that time.

Typhoon Mitag Passing Just East of China

Typhoon Mitag was passing just to the east of China on Monday night.  At 11:00 p.m. EDT on Monday the center of Typhoon Mitag was located at latitude 27.7°N and longitude 122.2°E which put it about 250 miles (400 km) south-southeast of Shanghai, China.  Mitag was moving toward the north-northeast at 14 m.p.h. (22 km/h).  The maximum sustained wind speed was 85 m.p.h. (135 km/h) and there were wind gusts to 105 m.p.h. (165 km/h).  The minimum surface pressure was 970 mb.

Typhoon Mitag began to weaken later on Monday.  An upper level  trough over eastern Asia was producing southerly winds which were blowing toward the top of the circulation.  Those winds were causing moderate vertical wind shear.  The circulation around Mitag was drawing drier air from Asia into the southern and western parts of the typhoon.  There was still an eye at the center of Typhoon Mitag.  However the ring of strong thunderstorms around the eye weakened.  The stronger bands of showers and thunderstorms were in the northern half of the circulation.  Bands in the southern half of the circulation consisted primarily of showers and lower clouds.  Winds to typhoon force extended out 60 miles (95 km) from the center of circulation.  Winds to tropical storm force extended out 215 miles (345 km) from the center.

Typhoon Mitag will likely to continue to weaken during the next several days.  The upper level trough will continue to cause moderate vertical wind shear.  The circulation around Mitag will also continue to draw drier air from Asia into the typhoon.  Typhoon Mitag will continue to weaken slowly and it could weaken to a tropical storm  within 24 hours.

The upper level trough will steer Typhoon Mitag toward the north-northeast during the next 12 to 24 hours.  Mitag will turn more toward the northeast in a day or so.  On its anticipated track Typhoon Mitag will pass to the east of Ningbo and Shanghai.  Mitag could approach South Korea in about 36 hours.  It will likely be a tropical storm by that time, but Mitag could drop locally heavy rain over South Korea.

Typhoon Mitag Nears Northeast Taiwan

Typhoon Mitag moved nearer to northeastern Taiwan on Sunday night.  At 11:00 p.m. EDT on Sunday the center of Typhoon Mitag was located near latitude 22.3°N and longitude 122.7°E which put it about 180 miles (290 km) south-southeast of Taipei, Taiwan.  Mitag was moving toward the northwest at 14 m.p.h. (22 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 976 mb.

Former Tropical Storm Mitag strengthened into a typhoon on Sunday.  A circular eye appeared at the center of Typhoon Mitag on satellite images.  The eye was surrounded by a ring of thunderstorms.  There were some breaks in the ring of storms, but the strongest winds were occurring in the ring.  Bands of showers and thunderstorms were revolving around the core of Typhoon Mitag.  Storms near the core were generating upper level divergence which was pumping mass away in all directions.  Winds to typhoon force extended out 50 miles (80 km) from the center of circulation.  Winds to tropical storm force extended out about 185 miles (295 km) from the center.

Typhoon Mitag will move through an environment favorable for intensification during the next 12 to 24 hours.  Mitag will move over water where the Sea Surface Temperature is near 28°C.  It will move through a region where the upper level winds are not too strong and there will not be a lot of vertical wind shear.  Typhoon Mitag could strengthen on Monday if the center of circulation does not pass over northeastern Taiwan.  If the center of Mitag does move over Taiwan, then the typhoon will weaken,

Typhoon Mitag will move around the western end of a ridge of high pressure over the Western North Pacific Ocean.  The ridge will steer Mitag toward the north-northwest.  On its anticipated track the center of Typhoon Mitag will be near northeastern Taiwan within 12 hours.  Mitag could drop heavy rain over parts of Taiwan and flash floods are possible.  Rainbands in the eastern side of the typhoon will bring gusty winds and heavy rain to the southern Ryukyu Islands.  Typhoon Mitag could approach the east coast of China near Taizhou in about 36 hours.

Tropical Storm Podul Forms East of Luzon

Tropical Storm Podul formed east of Luzon on Monday night.  At 11:00 p.m. EDT on Monday the center of Tropical Storm Podul was located at latitude 15.1°N and longitude 125.2°E which put it about 250 miles (400 km) east of Baler, Philippines.  Podul was moving a little to the north of due west at 25 m.p.h. (40 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 998 mb.

A low level center of circulation in an area of thunderstorms east of Luzon was visible in satellite imagery on Monday night and the Japan Meteorological Agency designated the system as Tropical Storm Podul.  The circulation around Tropical Storm Podul was not well organized.  Many of the thunderstorms were occurring in broken bands west of the center of circulation.  Bands in the eastern half of Podul consisted primarily showers and lower clouds.  Tropical Storm Podul was moving south of an upper level ridge over eastern Asia and the Western North Pacific Ocean.  The ridge was producing easterly winds which were causing moderate vertical wind shear.  The shear was contributing to the poorly organized circulation around Podul.

Tropical Storm Podul will move through an environment mostly unfavorable for intensification during the next 24 hours,  Podul will move over water where the Sea Surface Temperature is near 29°C.  However, the upper level ridge will continue to cause moderate vertical wind shear.  The center will move across northern Luzon and increased friction will weaken the circulation.  Tropical Storm Podul could weaken to a tropical depression when it crosses Luzon.  Podul could strengthen in the middle of the week when it moves west of Luzon and out over the South China Sea.

Tropical Storm Podul will move south of a subtropical ridge over the Western North Pacific Ocean.  The ridge will steer Podul a little to the north of due west during the next few days.  On its anticipated track Tropical Storm Podul will move across northern Luzon on Tuesday. Podul will cause gusty winds and locally heavy rain.  The rain could cause flash floods in some locations.  Tropical Storm Podul will move west of Luzon and over the South China Sea in about 24 hours.  Podul could approach Hainan Island in about 72 hours.

Tropical Storm Bailu Makes Landfall in Eastern China

Tropical Storm Bailu made landfall on the east coast of China on Saturday night.  At 11:00 p.m. EDT on Saturday the center of Tropical Storm Bailu was located at latitude 24.3°N and longitude 116.4°E which put it about 10 miles west of Dabu, China.  Bailu was moving toward the west-northwest at 13 m.p.h. (20 km/h).  The maximum sustained wind speed was 45 m.p.h. (75 km/h) and there were wind gusts to 60 m.p.h. (95 km/h).  The minimum surface pressure was 994 mb.

Tropical Storm Bailu made landfall on the east coast of China near Yunxiao on Saturday night.  The northern half of Bailu passed over Taiwan earlier on Saturday and the rainbands in that half of the tropical storm weakened after they passed over the mountains on Taiwan.  The heaviest rain was falling in the southern half of Tropical Storm Bailu.  Bailu will continue to move toward the west-northwest and it will weaken when it goes farther inland.  Tropical Storm Bailu will drop heavy rain over parts of Guangdong and Fujian.  It could cause flash floods in some locations.