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Tropical Cyclone Arnab Develops over Bay of Bengal

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Tropical Cyclone Arnab developed rapidly over the Bay of Bengal on Sunday night.  At 5:00 a.m. EDT on Monday the center of Tropical Cyclone Arnab was located at latitude 15.4°N and longitude 87.8°E which put the center about 500 miles (805 km) east-southeast of Machilipatnam, India.  Arnab was moving toward the west at 5 m.p.h. (8 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 986 mb.

Tropical Cyclone Arnab rapidly intensified to the equivalent of a hurricane/typhoon on Sunday night after it developed over the Bay of Bengal.  The inner end of a rainband wrapped around the center of Arnab’s circulation.  A small circular eye appeared to be forming at the center of Tropical Cyclone Arnab.  The eye was surrounded by a ring of thunderstorms.  Bands of showers and thunderstorms were revolving around the center of Tropical Cyclone Arnab.  Storms near the center of Arnab generated upper level divergence that pumped mass away from the tropical cyclone.  The removal of mass caused the surface pressure to decrease.

The circulation around Tropical Cyclone Arnab was small.  Winds to hurricane/typhoon force extended out 20 miles (30 km) from the center of Arnab’s circulation.  Winds to tropical storm force extended out 70 miles (110 km) from the center of Tropical Cyclone Arnab.

Tropical Cyclone Arnab will move through an environment favorable for intensification during the next 24 hours.  Arnab will move over water where the Sea Surface Temperatures are near 30°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 southerly winds that will blow toward the top of Arnab’s circulation.  Those winds will cause some vertical wind shear, but the wind shear will not be enough to prevent intensification.  Tropical Cyclone Arnab will intensify during the next 24 hours.  Arnab could rapidly intensify to the equivalent of a major hurricane.

Tropical Cyclone Arnab will move around the southwestern part of a high pressure system that is over Southeast Asia and the Bay of Bengal.  The high pressure system will steer Arnab toward the west during the next 24 hours.  On its anticipated track, Tropical Cyclone Arnab will move toward southeastern India.

Tropical Cyclone Arnab could approach the coast of Andhra Pradesh in 36 hours.  Arnab is likely to be the equivalent of a hurricane/typhoon when it approaches the coast.  Tropical Cyclone Arnab will bring strong winds and locally heavy rain to Andhra Pradesh.  Heavy rain is likely to cause flash floods in some locations.  Tropical Cyclone Arnab could cause a storm surge of up to 10 feet (3 meters) along parts of the coast of Andhra Pradesh.

Tropical Cyclone Shakhti Forms over Arabian Sea

Tropical Cyclone Shakhti formed over the northern Arabian Sea south of Pakistan on Friday morning.  At 5:00 a.m. EDT on Friday the center of Tropical Cyclone Shakhti was located at latitude 21.9°N and longitude 66.6°E which put the center about 205 miles (335 km) south of Karachi, Pakistan.  Shakhti was moving toward the northwest at 6 m.p.h. (10 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 993 mb.

A low pressure system over the northern Arabian Sea strengthened on Friday morning and the India Meteorological Department designated the system as Tropical Cyclone Shakhti.

The circulation around Tropical Cyclone Shakhti was gradually becoming more organized.  Thunderstorms developed near the center of Shakhti’s circulation.  Bands of showers and thunderstorms were revolving around the center of Tropical Cyclone Shakhti.  Storms near the center of Shakhti began to generate upper level divergence that pumped mass away from the tropical cyclone.

The circulation around Tropical Cyclone Shakhti was small.  Winds to tropical storm force extended out 50 miles (80 km) from the center of Shakhti’s circulation.

Tropical Cyclone Shakhti will move through an environment favorable for intensification during the next 24 hours.  Shakhti will move over water where the Sea Surface Temperatures are near 28°C.  It will move under the middle of an upper level ridge that is over Pakistan and the northern Arabian Sea.  The upper level winds are weak near the middle of the ridge and there will be little vertical wind shear.  Tropical Cyclone Shakhti will intensify during the next 24 hours.

Tropical Cyclone Shakhti will move around the southern side of a high pressure system over Pakistan.  The high pressure system will steer Shakhti toward the west during the next 24 hours.  On its anticipated track, Tropical Cyclone Shakhti will move parallel to the coast of Pakistan.

 

Tropical Cyclone Asani Makes Landfall in Andhra Pradesh

Tropical Cyclone Asani made landfall on the east coast of India in Andhra Pradesh on Tuesday night. At 11:00 p.m. EDT on Tuesday the center of Tropical Cyclone Asani was located at latitude 15.8°N and longitude 80.6°E which put it 25 miles (40 km) south of Tenali, India. Asani was moving toward the west-northwest at 7 m.p.h (11 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 986 mb.

The center of Tropical Cyclone Asani made landfall on the coast of Andhra Pradesh south of Tenali on Tuesday night. Asani was the equivalent of s strong tropical storm at the time of landfall. Winds to tropical storm force extended out 110 miles (175 km) from the center of Tropical Cyclone Asani. Thunderstorms in bands in the western and northern parts of Asani were dropping heavy rain in scattered areas near the coast of Andhra Pradesh.

Tropical Cyclone Asani will weaken steadily as it moves inland over Andhra Pradesh. The rainfall will become lighter when drier air over India is pulled into Asani’s circulation. The circulation around Tropical Cyclone Asani will become shallower when it weakens. Southwesterly winds in the lower levels over India and the Bay of Bengal could steer the weakened circulation of Asani toward the northeast later this week.

Tropical Cyclone Asani Nears East Coast of India

Tropical Cyclone Asani neared the east coast of India on Tuesday morning. At 5:00 a.m. EDT on Tuesday the center of Tropical Cyclone Asani was located at latitude 15.1°N and longitude 82.1°E which put it 90 miles (145 km) southeast of Machilipatnam, India and about about 210 miles (330 km) south-southeast of Visakhapatnam. Asani was moving toward the west 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 977 mb.

Tropical Cyclone Asani maintained its intensity as it moved closer to the east coast of India on Tuesday morning. Winds to hurricane/typhoon force were occurring in an area 30 miles (50 km) north of the center of Asani’s circulation. Even though the intensity of Tropical Cyclone Asani was steady, the distribution of thunderstorms was asymmetrical. The strongest thunderstorms were occurring in bands in the southern and western parts of Asani’s circulation. Bands in the northern and eastern parts of Asani consisted primarily of showers and lower clouds. Storms southwest of the center of circulation generated upper level divergence that pumped mass away from the tropical cyclone. The removal of mass allowed Tropical Cyclone Asani to maintain its intensity. Winds to tropical storm force extended out 155 miles (250 km) from the center of Asani.

Tropical Cyclone Asani will move through an environment that will become more unfavorable for intensification during the next 12 hours. Asani will move over water where the Sea Surface Temperatures are near 30˚C. It will move under the southern part of an upper level ridge over South Asia. The upper level ridge will produce easterly winds that will blow toward the top of Tropical Cyclone Asani’s circulation. Those winds will cause moderate vertical wind shear. Asani will move toward a mass of drier air that is sinking over India. The moderate vertical wind shear and the sinking drier air are likely to cause Tropical Cyclone Asani to start to weaken as it approaches the east coast of India during the next 12 hours.

Tropical Cyclone Asani will move around the western side of a high pressure system over Southeast Asia. The high pressure system will steer Asani toward the northwest during the next 24 hours. On its anticipated track Tropical Cyclone Asani will reach the east coast of India near Machilipatnam within 18 hours. Asani will bring strong gusty winds and locally heavy rain to parts of Andhra Pradesh during the next 36 hours. Heavy rain could cause flash floods in some locations.

Tropical Cyclone Asani Moves Northwest across Bay of Bengal

Tropical Cyclone Asani moved northwest across the Bay of Bengal on Monday morning. At 5:00 a.m. EDT on Monday the center of Tropical Cyclone Asani was located at latitude 14.6°N and longitude 85.3°E which put it about 275 miles (445 km) southeast of Visakhapatnam, India and about 595 miles (965 km) south-southwest of Kolkata. Asani was moving toward the northwest at 9 m.p.h (15 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 980 mb.

The distribution of thunderstorms in Tropical Cyclone Asani became more asymmetrical on Monday morning as Asani moved northwest across the western Bay of Bengal. The strongest thunderstorms were occurring in bands in the western half of Asani’s circulation. Bands in the western half of the circulation consisted primarily of showers and lower clouds. Storms just west of the center of circulation generated upper level divergence that pumped mass away from the tropical cyclone. Winds to tropical storm force extended out 130 miles (210 km) from the center of Tropical Cyclone Asani.

Tropical Cyclone Asani will move through an environment that will become more unfavorable for intensification during the next 24 hours. Asani will move over water where the Sea Surface Temperatures are near 30˚C. It will move under the southern part of an upper level ridge over South Asia. The upper level ridge will produce easterly winds that will blow toward the top of Tropical Cyclone Asani’s circulation. Those winds will cause moderate vertical wind shear. Asani will move toward a mass of drier air that is sinking in the ridge over South Asia. The moderate vertical wind shear and the sinking drier air are likely to cause Asani to start to weaken during the next 24 hours.

Tropical Cyclone Asani will move around the western side of a high pressure system over Southeast Asia. The high pressure system will steer Asani toward the northwest during the next 24 hours. On its anticipated track Tropical Cyclone Asani will move toward the east coast of India. Asani could approach of Visakhapatnam in 48 hours.

Tropical Cyclone Asani Intensifies to Equivalent of a Hurricane/Typhoon

Tropical Cyclone Asani intensified to the equivalent of a hurricane/typhoon over the Bay of Bengal on Sunday morning. At 5:00 a.m. EDT on Sunday the center of Tropical Cyclone Asani was located at latitude 12.0°N and longitude 88.3°E which put it about 750 miles (1215 km) south of Kolkata, India. Asani was moving toward the northwest at 10 m.p.h (16 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 977 mb.

Former Tropical Cyclone 02B intensified on Sunday morning and the India Meteorological Department designated the system as Tropical Cyclone Asani. The strongest thunderstorms were occurring in bands southwest of the center of Asani’s circulation. Other bands of showers and thunderstorms were revolving around the center of Tropical Cyclone Asani. Storms near the center of circulation generated upper level divergence that pumped mass away from the tropical cyclone. Winds to hurricane/typhoon force extended out 30 miles (50 km) from the center of Asani. Winds to tropical storm force extended out 140 miles (225 km) from the center of circulation.

Tropical Cyclone Asani will move through an environment favorable for intensification during the next 24 hours. Asani will move over water where the Sea Surface Temperatures are near 30˚C. It will move under the southern part of an upper level ridge over the Bay of Bengal. The upper level ridge will produce easterly winds that will blow toward the top of the low pressure system. Those winds will cause some vertical wind shear, but the shear will not be large enough to prevent intensification. Tropical Cyclone Asani is likely to intensify during the next 24 hours. Asani will move toward a mass of drier air when it moves closer to India in a day or two.

Tropical Cyclone Asani will move around the western side of a high pressure system over Southeast Asia. The high pressure system will steer Asani toward the northwest during the next 24 hours. On its anticipated track Tropical Cyclone Asani will move toward the east coast of India. Asani could be southeast of Visakhapatnam in 48 hours.

Tropical Cyclone 02B Develops over Bay of Bengal

Tropical Cyclone 02B developed over the Bay of Bengal southwest of Port Blair on Saturday morning. At 5:00 a.m. EDT on Saturday the center of Tropical Cyclone 02B was located at latitude 9.9°N and longitude 90.9°E which put it about 165 miles (265 km) southwest of Port Blair, Andaman Islands. Tropical Cyclone 02B was moving toward the northwest at 9 m.p.h (15 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 995 mb.

The circulation around a low pressure system over the eastern Bay of Bengal strengthened on Saturday morning and the center was designated as Tropical Cyclone 02B. More thunderstorms formed near the center of Tropical Cyclone 02B. The inner end of a rainband wrapped around the southern side of the center of circulation. Other bands of showers and thunderstorms were revolving around the center. Storms near the center of circulation generated upper level divergence that pumped mass away from the tropical cyclone. Winds to tropical storm force extended out 70 miles (110 km) from the center of circulation.

Tropical Cyclone 02B will move through an environment favorable for intensification during the next 36 hours. The tropical cyclone will move over water where the Sea Surface Temperatures are near 31˚C. It will move under the southern part of an upper level ridge over the Bay of Bengal. The upper level ridge will produce easterly winds that will blow toward the top of the low pressure system. Those winds will cause some vertical wind shear, but the shear will not be large enough to prevent intensification. Tropical Cyclone 02B will intensify during the next 36 hours and it could strengthen to the equivalent of a hurricane/typhoon.

Tropical Cyclone 02B will move around the southwestern side of a high pressure system over Southeast Asia. The high pressure system will steer the tropical cyclone toward the northwest during the next 36 hours. On its anticipated track Tropical Cyclone 02B will move slowly away from the Andaman Islands and the Nicobar Islands. The tropical cyclone will continue to drop locally heavy rain over the Nicobar Islands and the Andaman Islands until it moves farther northwest of those areas. Heavy rain could cause flash floods in some locations.

Tropical Cyclone Yaas Hits Northeast India

Tropical Cyclone Yaas hit northeastern India early on Wednesday. At 5:00 a.m. EDT on Wednesday the center of Tropical Cyclone Yaas was located at latitude 21.8°N and longitude 86.8°E which put it about 115 miles (185 km) southwest of Kolkata, India. Yaas was moving toward the northwest at 7 m.p.h. (11 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 978 mb.

Tropical Cyclone Yaas made landfall on the coast of northeastern India early on Wednesday. The center of Yaas crossed the coastline near Balasore, India. Tropical Cyclone Yaas was the equivalent of a strong tropical storm at the time when it made landfall. Winds to tropical storm force extended out 160 miles (260 km) on the eastern side of Yaas over the northern Bay of Bengal. Winds to tropical storm force extended out 140 miles (225 km) on the western side of the circulation which was over northern Odisha.

Tropical Cyclone Yaas will move slowly toward the northwest over northeastern India during the next day or so. Yaas will weaken gradually as it moves farther inland. Tropical Cyclone Yaas will produce gusty winds over northern Odisha during the next 24 hours. The wind could cause sporadic power outages. Yaas will also drop locally heavy rain over parts of northeastern India and flash floods could occur in some locations. The heaviest rain will fall in the western side of the circulation. Tropical Cyclone Yaas may have caused a storm surge of up to 7 feet (2 meters) along the coast of northern Bay of Bengal. The water level should drop slowly as Yaas moves farther inland and weakens.

Tropical Cyclone Yaas Strengthens to Equivalent of Hurricane/Typhoon

Tropical Cyclone Yaas strengthened to the equivalent of a hurricane/typhoon over the northern Bay of Bengal on Tuesday. At 11:00 a.m. EDT on Tuesday the center of Tropical Cyclone Yaas was located at latitude 20.1°N and longitude 89.1°E which put it about 195 miles (310 km) south of Kolkata, India. Yaas 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 972 mb.

Tropical Cyclone Yaas intensified to the equivalent of a hurricane/typhoon south of Kolkata on Tuesday. A broken ring of thunderstorms surrounded the center of Yaas and the strongest winds were occurring in the storms in the ring. Bands of showers and thunderstorms were revolving around the center of Tropical Cylone Yaas. Storms near the center of circulation generated upper level divergence that pumped mass away to the west and north of the tropical cyclone. Winds to hurricane/typhoon force extended out 30 miles (50 km) from the center of Yaas. Winds to tropical storm force extended out 160 miles (260 km) from the center of circulation.

Tropical Cyclone Yaas will move through an environment favorable for intensification during the next 12 hours . Yaas will move over water where the Sea Surface Temperatures are near 30°C. It will move under the southern part of an upper level ridge centered over Bangladesh. The ridge will produce easterly winds which will blow toward the top of the tropical cyclone. Those winds will cause some vertical wind shear, but the shear may not be strong enough to prevent intensification. Tropical Cyclone Yaas could strengthen gradually during the next 12 hours.

Tropical Cyclone Yaas will move around the western side of a high pressure system over Southeast Asia. The high will steer the tropical cyclone toward the north-northwest during the next 36 hours. On its anticipated track Yaas will make landfall on the coastline of Odisha southwest of Kolkata in 15 hours. Tropical Cyclone Yaas will be the equivalent of a hurricane/typhoon when it approaches the coast. Yaas is likely to bring damaging winds and locally heavy rain to the coastal regions of Odisha and West Bengal. Heavy rain could cause flash floods over parts of northeastern India. The coast along the northern Bay of Bengal is very vulnerable to a storm surge. Tropical Cyclone Yaas will cause a dangerous storm surge of up to 9 feet (3 meters) on parts of the coast around the northern Bay of Bengal.

Tropical Cyclone Yaas Intensifies South of Kolkata

Tropical Cyclone Yaas intensified over the northern Bay of Bengal on Monday night. At 11:00 p.m. EDT on Monday the center of Tropical Cyclone Yaas was located at latitude 18.5°N and longitude 88.0°E which put it about 305 miles (495 km) south of Kolkata, India. Yaas was moving toward the north-northwest at 13 m.p.h. (20 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 975 mb.

Tropical Cyclone Yaas strengthened to almost the equivalent of a hurricane/typhoon south of Kokata on Monday night. The distribution of thunderstorms around Yaas remained asymmetrical. Most of the thunderstorms were occurring in bands in the western half of Tropical Cyclone Yaas. Bands in the eastern half of the circulation consisted primarily of showers and lower clouds. The inner end of a rainband wrapped around the western and southern sides of the center of Yaas. Storms near the center of circulation generated upper level divergence that pumped mass away to the west and north of the tropical cyclone. Winds to tropical storm force extended out 160 miles (260 km) from the center of circulation.

Tropical Cyclone Yaas will move through an environment favorable for intensification during the next 24 hours. Yaas will move over water where the Sea Surface Temperatures are near 30°C. It will move under the southwestern part of an upper level ridge over the Bay of Bengal. The ridge will produce easterly winds which will blow toward the top of the tropical cyclone. Those winds will cause some vertical wind shear, but the shear will not be enough to prevent intensification. Tropical Cyclone Yaas will strengthen to the equivalent of a hurricane/typhoon during the next 24 hours.

Tropical Cyclone Yaas will move around the western side of a high pressure system over Southeast Asia. The high will steer the tropical cyclone toward the north-northwest during the next 36 hours. On its anticipated track Yaas will make landfall on the coastline of Odisha southwest of Kolkata in 24 hours. Tropical Cyclone Yaas will be the equivalent of a hurricane/typhoon when it approaches the coast. Yaas is likely to bring damaging winds and locally heavy rain to the coastal regions of Odisha and West Bengal. Tropical Cyclone Yaas will cause a dangerous storm surge of up to 9 feet (3 meters) on parts of the coast around the northern Bay of Bengal.