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Tropical Cyclone Ditwah Weakens

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Tropical Cyclone Ditwah was weakening on Sunday as it moved slowly over the southwestern Bay of Bengal east of southern India.  At 10:00 a.m. EST on Sunday the center of Tropical Cyclone Ditwah was located at latitude 11.8°N and longitude 80.6°E which put the center about 55 miles (90 km) east-southeast of Puducherry, India.  Ditwah was moving toward the north at 2 m.p.h. (3 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.

Tropical Cyclone Ditwah was weakening slowly on Sunday.  A few new thunderstorms developed near the center of Ditwah’s circulation.  However, most of the bands revolving around the center of Tropical Cyclone Ditwah consisted of showers and lower clouds.  Thunderstorms were occurring in a couple of bands in the northeastern periphery of Ditwah’s circulation.

Tropical Cyclone Ditwah will move through an environment mostly unfavorable for intensification during the next 24 hours.  Ditwah will move over water where the Sea Surface Temperatures are near 29°C.  It will move under the western part of an upper level ridge that is over Southeast Asia and the Bay of Bengal.  The upper level ridge will produce southeasterly winds that will blow toward the top of Ditwah’s circulation.  Those winds will cause moderate vertical wind shear.  The moderate vertical wind shear will inhibit intensification.  In addition, drier air being pulled into Ditwah’s circulation is likely to limit the formation of new thunderstorms.  Tropical Cyclone Ditwah is likely to continue to weaken slowly during the next 24 hours because of the moderate vertical wind shear and the effects of the drier air.

Tropical Cyclone Ditwah will move around the southwestern part of a high pressure system over the Bay of Bengal.  The high pressure system will steer Ditwah slowly toward the north during the next 24 hours.  On its anticipated track, Tropical Cyclone Ditwah will move nearly parallel to the coast of southeast India.

Tropical Cyclone Ditwah will bring gusty winds and isolated heavy rain to parts of Tamil Nadu and Puducherry.

Tropical Cyclone Ditwah Moves North of Sri Lanka

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Tropical Cyclone Ditwah moved north of Sri Lanka on Saturday.  At 10:00 a.m. EST on Saturday the center of Tropical Cyclone Ditwah was located at latitude 10.2°N and longitude 80.8°E which put the center about 150 miles (240 km) southeast of Puducherry, India.  Ditwah was moving toward the north at 7 m.p.h. (11 km/h).  The maximum sustained wind speed was 40 m.p.h. (50 km/h) and there were wind gusts to 50 m.p.h. (80 km/h).  The minimum surface pressure was 1004 mb.

The circulation around Tropical Cyclone Ditwah was pulling in drier air from over India.  The drier air caused the thunderstorms near the center of Ditwah’s circulation to weaken.  Thunderstorms were still occurring in bands in the northern and eastern periphery of Tropical Cyclone Ditwah.  Bands in the other parts of Ditwah’s circulation consisted primarily of showers and lower clouds.

Even though the thunderstorms near the center of Tropical Cyclone Ditwah weakened, Ditwah was still producing winds to tropical storm force.  Winds to tropical storm force extended out 140 miles (225 km) from the center of Ditwah’s circulation.

Tropical Cyclone Ditwah will move through an environment marginally favorable for intensification during the next 24 hours.  Ditwah will move over water where the Sea Surface Temperatures are near 29°C.  It will move under the western part of an upper level ridge that is over Southeast Asia and the Bay of Bengal.  The upper level ridge will produce southeasterly winds that will blow toward the top of Ditwah’s circulation.  Those winds will cause moderate vertical wind shear.  The vertical wind shear will inhibit intensification but the shear may not be enough to prevent some intensification.  However, the drier air being pulled into Ditwah’s circulation is likely to inhibit the formation of new thunderstorms.  Tropical Cyclone Ditwah could maintain its intensity during the next 24 hours.  However, the drier air is likely to cause Ditwah to weaken slowly during the next several days.

Tropical Cyclone Ditwah will move around the southwestern part of a high pressure system over the Bay of Bengal.  The high pressure system will steer Ditwah toward the north during the next 24 hours.  On its anticipated track, Tropical Cyclone Ditwah will move nearly parallel to the coast of southeast India.

Tropical Cyclone Ditwah will bring gusty winds and isolated heavy rain to parts of Tamil Nadu and Puducherry.

Tropical Cyclone Ditwah Spins Near Sri Lanka

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Tropical Cyclone Ditwah continued to spin near Sri Lanka on Friday.  At 10:00 a.m. EST on Friday the center of Tropical Cyclone Ditwah was located at latitude 8.8°N and longitude 80.8°E which put the center about 85 miles (135 km) south-southeast of Jaffna, Sri Lanka.  Ditwah was moving toward the north-northwest at 4 m.p.h. (6 km/h).  The maximum sustained wind speed was 40 m.p.h. (50 km/h) and there were wind gusts to 50 m.p.h. (80 km/h).  The minimum surface pressure was 1004 mb.

The center of Tropical Cyclone Ditwah was still over northern Sri Lanka on Friday morning.  The fact that the center of Ditwah’s circulation was still over land combined with the effects of vertical wind shear to cause the distribution of thunderstorms to be asymmetrical.  Thunderstorms were occurring in bands in the northern and western parts of Tropical Cyclone Ditwah.  Bands in the southern and eastern parts of Ditwah’s circulation consisted primarily of showers and lower clouds.

The strongest winds in Tropical Cyclone Ditwah were occurring over the southwestern Bay of Bengal.   Winds to tropical storm force extended out 110 miles (175 km) from the center of Ditwah’s circulation.  The winds were much weaker over land.

Tropical Cyclone Ditwah will move through an environment somewhat favorable for intensification when the center of its circulation moves back over the southwestern Bay of Bengal in a few hours.  Ditwah will move over water where the Sea Surface Temperatures are near 29°C.  It will move under the western part of an upper level ridge that is over Southeast Asia and the Bay of Bengal.  The upper level ridge will produce southeasterly winds that will blow toward the top of Ditwah’s circulation.  Those winds will cause moderate vertical wind shear.  The vertical wind shear will inhibit intensification but the shear may not be enough to prevent some intensification.  Tropical Cyclone Ditwah could intensify a little during the next 24 hours even with moderate vertical wind shear, when the center of its circulation moves back over water.

Tropical Cyclone Ditwah will move around the southwestern part of a high pressure system over the Bay of Bengal.  The high pressure system will steer Ditwah toward the north-northwest during the next 24 hours.  On its anticipated track, the center of Tropical Cyclone Ditwah will move north of Sri Lanka in a few hours.  Ditwah could reach the coast of Tamil Nadu during the weekend.

Tropical Cyclone Ditwah will continue to affect Sri Lanka and southern India.  Ditwah will bring strong winds and heavy rain to parts of Sri Lanka and Tamil Nadu.  Heavy rain could cause flash floods in some locations.  There were reports that flooding in Sri Lanka had already caused fatalities.

Tropical Cyclone Ditwah Forms Near Sri Lanka

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Tropical Cyclone Ditwah formed over the southwestern Bay of Bengal on Thursday.  At 10:00 a.m. EST on Thursday the center of Tropical Cyclone Ditwah was located at latitude 7.8°N and longitude 81.6°E which put the center about 10 miles (15 km) northwest of Batticaloa, Sri Lanka.  Ditwah was moving toward the northwest at 7 m.p.h. (11 km/h).  The maximum sustained wind speed was 40 m.p.h. (50 km/h) and there were wind gusts to 50 m.p.h. (80 km/h).  The minimum surface pressure was 1002 mb.

A low pressure system over the southwestern Bay of Bengal near Sri Lanka intensified on Thursday and the India Meteorological Department designated the system as Tropical Cyclone Ditwah.

The center of Tropical Cyclone Ditwah was near the east coast of Sri Lanka.  About half of Ditwah’s circulation was over Sri Lanka.  A band of thunderstorms was wrapped around the northern and western sides of the center of Tropical Cyclone Ditwah.  Other bands of showers and thunderstorms were revolving around the center of Ditwah’s circulation.  Storms near the center of Ditwah generated upper level divergence that pumped mass away to the west of the tropical cyclone.  The removal of mass caused the surface pressure to decrease slowly.

The distribution of wind speeds in Tropical Cyclone Ditwah was asymmetrical.  Winds to tropical storm force extended out 175 miles (280 km) in the southern half of Ditwah’s circulation.  Winds to tropical storm force extended out 80 miles (130 km) in the northern side of Tropical Cyclone Ditwah.

Tropical Cyclone Ditwah will move through an environment somewhat favorable for intensification during the next 24 hours.  Ditwah will move over water where the Sea Surface Temperatures are near 29°C.  It will move under the western part of an upper level ridge that is over Southeast Asia and the Bay of Bengal.  The upper level ridge will produce southeasterly winds that will blow toward the top of Ditwah’s circulation.  Those winds will cause moderate vertical wind shear.  The vertical wind shear will inhibit intensification.  The fact that almost half of Ditwah’s circulation is over Sri Lanka will also inhibit intensification.  Tropical Cyclone Ditwah could intensify during the next 24 hours even with moderate vertical wind shear, if the center of its circulation remains over water.

Tropical Cyclone Ditwah will move around the southwestern part of a high pressure system over the Bay of Bengal.  The high pressure system will steer Ditwah toward the northwest during the next 24 hours.  On its anticipated track, the center of Tropical Cyclone Ditwah will move along the coast of northeastern Sri Lanka.  Ditwah could approach the coast of India near Chennai within 72 hours.

Tropical Cyclone Ditwah will produce strong winds and heavy rain over Sri Lanka.  Heavy rain will cause flash floods in some locations.

Tropical Cyclone Tej Makes Landfall in Eastern Yemen

Tropical Cyclone Tej made landfall in eastern Yemen on Monday afternoon. At 5:00 p.m. EDT on Monday the center of Tropical Cyclone Tej was located at latitude 15.6°N and longitude 52.0°E which put it about 25 miles (400 km) southwest of Nishtun, Yemen. Tej was moving toward the northwest at 5 m.p.h. (8 km/h). The maximum sustained wind speed was 80 m.p.h. (130 km/h) and there were wind gusts to 100 m.p.h. (160 km/h). The minimum surface pressure was 986 mb.

Tropical Cyclone Tej made landfall on the coast of eastern Yemen between Nishtun and Qishn on Monday afternoon. Tej weakened as it approached the coast of Yemen. Winds to hurricane/typhoon force extended out 35 miles (55 km) from the center of Tej’s circulation. Winds to tropical storm force extended out 90 miles (145 km) from the center of circulation.

The Hurricane Intensity Index (HII) for Tropical Cyclone Tej was 11.5. The Hurricane Size Index (HSI) was 11.5 and the Hurricane Wind Intensity Size Index (HWISI) was 23.0. Tropical Cyclone Tej was similar in size and intensity to Hurricane Dolly when Dolly hit south Texas in 2008.

Tropical Cyclone Tej was capable of causing regional minor damage. Tej will produce strong winds and locally heavy rain over eastern Yemen and far western Oman. Heavy rain is likely to cause flash floods in some locations.

Tropical Cyclone Tej will weaken steadily when it moves into the dry environment over eastern Yemen.

Tropical Cyclone Tej Moves Toward Eastern Yemen

Tropical Cyclone Tej moved over the Arabian Sea toward eastern Yemen on Sunday. At 11:00 a.m. EDT on Sunday the center of Tropical Cyclone Tej was located at latitude 13.6°N and longitude 54.0°E which put it about 255 miles (410 km) south of Salalah, Oman. Tej was moving toward the northwest at 10 m.p.h. (16 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 961 mb.

Tropical Cyclone Tej appeared to go through an eyewall replacement cyclone on Sunday. The inner end of a rainband wrapped around the original small eye and eyewall. The inner eyewall dissipated on Sunday afternoon and a larger eye was apparent on satellite images. The new, larger 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 center of Tropical Cyclone Tej. Storms near the center generated upper level divergence that pumped mass away from the tropical cyclone.

Even though Tropical Cyclone Tej went through an eyewall replacement cycle, its circulation was still small. Winds to hurricane/typhoon force extended out 20 miles (30 km) from the center of Tej’s circulation. Winds to tropical storm force extended out 90 miles (145 km) from the center of circulation. The Hurricane Intensity Index (HII) for Tropical Cyclone Tej was 20.6. The Hurricane Size Index (HSI) was 8.7 and the Hurricane Wind Intensity Size Index (HWISI) was 29.3. Tropical Cyclone Tej was similar in size and intensity to Hurricane Zeta when Zeta hit Louisiana in 2020.

Tropical Cyclone Tej will move through an environment that will become more unfavorable for intensification during the next 24 hours. Tej will move over water where the Sea Surface Temperatures are near 29°C. It will move through a region where the upper level winds are weak and there will be little vertical wind shear. However, Tropical Cyclone Tej will move closer to dry air over Yemen and Oman. Northerly winds in the western side of Tej’s circulation could start to pull the dry air into the tropical cyclone. The recently completed eyewall replacement cycle and the dry air could cause Tropical Cyclone Tej to weaken during the next 24 hours.

Tropical Cyclone Tej will move around the southwestern part of a high pressure system over South Asia. The high pressure system will steer Tej toward the northwest during the next 24 hours. On its anticipated track, Tropical Cyclone Tej will approach the coast of eastern Yemen near Nishtun in 24 hours. Tej will bring strong winds to eastern Yemen. Tropical Cyclone Tej will also drop heavy rain on parts of eastern Yemen and western Oman. Heavy rain could cause flash floods in some locations.

Tropical Cyclone Tej Rapidly Intensifies to Equivalent of a Major Hurricane

Tropical Cyclone Tej rapidly intensified to the equivalent of a major hurricane over the Arabian Sea east-southeast of Socotra on Saturday. At 5:00 p.m. EDT on Saturday the center of Tropical Cyclone Tej was located at latitude 11.7°N and longitude 56.3°E which put it about 175 miles (280 km) east-southeast of Socotra. Tej was moving toward the northwest at 13 m.p.h. (21 km/h). The maximum sustained wind speed was 120 m.p.h. (195 km/h) and there were wind gusts to 140 m.p.h. (220 km/h). The minimum surface pressure was 958 mb.

Tropical Cyclone Tej rapidly intensified to the equivalent of a major hurricane over the Arabian Sea on Saturday. A small circular eye with a diameter of 10 miles (16 km) formed at the center of Tej’s circulation. 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 center of circulation. Storms near the center generated strong upper level divergence that pumped large amounts of mass away from the tropical cyclone. The removal of large amounts of mass caused the surface pressure to decrease rapidly.

The circulation around Tropical Cyclone Tej was small. Winds to hurricane/typhoon force extended out 15 miles (25 km) from the center of Tej’s circulation. Winds to tropical storm force extended out 100 miles (160 km) from the center of circulation. The Hurricane Intensity Index (HII) for Tropical Cyclone Tej was 22.1. The Hurricane Size Index (HSI) was 6.0 and the Hurricane Wind Intensity Size Index (HWISI) was 28.1. Tropical Cyclone Tej was capable of causing localized major damage.

Tropical Cyclone Tej will move through an environment very favorable for intensification during the next 24 hours. Tej will move over water where the Sea Surface Temperatures are 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 Cyclone Tej could continue to intensify rapidly during the next 24 hours.

Tropical Cyclone Tej will move around the southwestern part of a high pressure system over South Asia. The high pressure system will steer Tej toward the northwest during the next 24 hours. On its anticipated track, Tropical Cyclone Tej will be east of Socotra in 12 hours. The core of Tej’s circulation that contains the strongest winds will pass east of Socotra. Bands in the western side of Tropical Cyclone Tej will bring gusty winds and locally heavy rain to Socotra. Heavy rain could cause flash floods in some locations. Tropical Cyclone Tej will approach the coast between Harrah, Yemen and Salalah, in 48 hours.

Tropical Cyclone Forms Over the Arabian Sea

A tropical cyclone formed over the Arabian Sea on Friday evening. At 11:00 p.m. EDT on Friday the center of Tropical Cyclone 05A was located at latitude 10.0°N and longitude 58.8°E which put it about 600 miles (965 km) southeast of Salalah, Oman. The tropical cyclone was moving toward the west-northwest at 8 m.p.h. (13 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 997 mb.

The circulation around Tropical Cyclone 05A organized quickly over the Arabian Sea on Friday evening. The inner end of a rainband wrapped around the center of the tropical cyclone’s circulation. A broken ring of thunderstorms surrounded the center of circulation and the strongest winds were occurring in that ring of storms. 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 cyclone. Winds to tropical storm force extended out 140 miles (220 km) from the center of Tropical Cyclone 05A.

Tropical Cyclone 05A will move through an environment very favorable for intensification during the next 24 hours. The tropical cyclone will move over water where the Sea Surface Temperatures are 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 Cyclone 05A is likely to intensify to the equivalent of a hurricane/typhoon during the next 24 hours.

Tropical Cyclone 05A will move around the southwestern part of a high pressure system over South Asia. The high pressure system will steer the tropical cyclone toward the northwest during the next 24 hours. On its anticipated track, Tropical Cyclone 05A will move closer to Oman.

Tropical Cyclone Sitrang Brings Wind and Rain to Bangladesh

Tropical Cyclone Sitrang brought wind and rain to Bangladesh on Monday. At 5:00 p.m. EDT on Monday the center of Tropical Cyclone Sitrang was located at latitude 24.6°N and longitude 91.2°E which put it about 45 miles (75 km) northeast of Dhaka, Bangladesh. Sitrang was moving toward the north at 35 m.p.h. (55 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.

Tropical Cyclone Sitrang moved quickly across the northern Bay of Bengal and over Bangladesh on Monday. The heaviest rain was falling in bands in the northern side of Sitrang’s circulation. Bands in the southern half of Tropical Cyclone Sitrang consisted primarily of showers and lower clouds. Winds to tropical storm force extended out 60 miles (95 km) from the center of Sitrang.

A high pressure system over Southeast Asia will steer Tropical Cyclone Sitrang quickly toward the north-northeast during the next 24 hours. On its anticipated track Sitrang will move across Bangladesh and over northeastern India. Tropical Cyclone Sitrang will drop locally heavy rain over Bangladesh and northeastern India. Heavy rain could cause flash floods in some locations. Sitrang will weaken steadily as it moves farther inland.

Tropical Cyclone Sitrang Develops over Northern Bay of Bengal

Tropical Cyclone Sitrang developed over the northern Bay of Bengal on Sunday. At 11:00 p.m. EDT on Sunday the center of Tropical Cyclone Sitrang was located at latitude 18.3°N and longitude 89.4°E which put it about 360 miles (580 km) south-southwest of Chittagong, Bangladesh. Sitrang was moving toward the north-northeast 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 1000 mb.

The circulation around a low pressure system over the northern Bay of Bengal strengthened on Sunday and the India Meteorological Department designated the system as Tropical Cyclone Sitrang. The distribution of thunderstorms around Sitrang was asymmetrical. Thunderstorms were occurring in bands in the northern side of Tropical Cyclone Sitrang. Bands near the center of Sitrang’s circulation and in the southern half of the tropical cyclone consisted primarily of showers and lower clouds. Tropical Cyclone Sitrang was moving under the western end of an upper level ridge over Southeast Asia and the Bay of Bengal. The ridge was producing southerly winds that were blowing toward the top of Sitrang’s circulation. Those winds were causing moderate vertical wind shear and they were also causing the asymmetrical distribution of thunderstorms. Winds to tropical storm force extended out 60 miles in the eastern side of Tropical Cyclone Sitrang. The winds in the western half of Sitrang were blowing at less than tropical storm force.

Tropical Cyclone Sitrang will move through an environment somewhat favorable for intensification during the next 18 hours. Sitrang will move over water where the Sea Surface Temperatures are near 30˚C. However, the upper level ridge over Southeast Asia and the Bay of Bengal will continue to cause moderate vertical wind shear. The wind shear will inhibit intensification. Tropical Cyclone Sitrang could strengthen during the next 18 hours before it makes landfall in Bangladesh.

Tropical Cyclone Sitrang will move around the western end of a high pressure system over Southeast Asia. The high pressure system will steer Sitrang toward the north-northeast during the next 24 hours. On its anticipated track Tropical Cyclone Sitrang will reach Bangladesh in less than 24 hours. Sitrang will bring gusty winds and locally heavy rain to Bangladesh. Heavy rain could cause flash floods in some locations. Tropical Cyclone Sitrang could cause a storm surge of five feet (1.5 meters) along the coast of Bangladesh.