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Tropical Cyclone Hidaya Makes Landfall in Tanzania

Tropical Cyclone Hidaya made landfall in Tanzania on Saturday. At 11:00 a.m. EDT on Saturday the center of Tropical Cyclone Hidaya was located at latitude 7.5°S and longitude 38.4°E which put it about 40 miles (650 km) south of the Dar es Salaam, Tanzania. Hidaya was moving toward the west at 14 m.p.h. (22 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 996 mb.

Tropical Cyclone Hidaya made landfall on the coast of Tanzania south of Dar es Salaam on Saturday. The center of Hidaya’s circulation crossed the coast near Kisiju. Tropical Cyclone Hidaya was the equivalent of a tropical storm at the time of landfall. Winds to tropical storm force extended out 85 miles (135 km) from the center of Hidaya’s circulation. Tropical Cyclone Hidaya brought gusty winds and locally heavy rain to the southeastern part of Tanzania.

Tropical Cyclone Hidaya will move around the northern side of a high pressure system over the Southwest Indian Ocean and southern Africa. The high pressure system will steer Hidaya toward the west during the next 24 hours. On its anticipated track, Tropical Cyclone Hidaya will move farther inland over southern Tanzania.

Tropical Cyclone Hidaya will weaken rapidly as it moves farther inland. Hidaya will move into a region of drier air which will cause it to weaken rapidly as it moves inland. Tropical Cyclone Hidaya will continue to produce gusty winds and locally heavy rain over parts of southern Tanzania during the next 24 hours. Heavy rain could cause flash floods in some locations.

Tropical Cyclone Hidaya Nears Tanzania

Tropical Cyclone Hidaya neared the coast of Tanzania on Friday night. At 11:00 p.m. EDT on Friday the center of Tropical Cyclone Hidaya was located at latitude 7.8°S and longitude 40.5°E which put it about 125 miles (200 km) southeast of the Dar es Salaam, Tanzania. Hidaya was moving toward the west-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 988 mb.

Tropical Cyclone Hidaya started to weaken on Friday as it approached the coast of Tanzania. Westerly winds blowing around the northern side of Hidaya’s circulation pulled drier air that was over Africa into the tropical cyclone. The drier air circulated around the northern and eastern parts of Tropical Cyclone Hidaya. When the drier air reached rainbands in those parts of Hidaya’s circulation, some of the thunderstorms weakened. When the thunderstorms weakened, the upper level divergence decreased. Less mass was pumped away from the tropical cyclone and the surface pressure started to increase.

Even though Tropical Cyclone Hidaya started to weaken, its circulation was still well organized. A small circular eye was evident at the center of Hidaya’s circulation in infrared satellite images. The eye was surrounded by a narrow ring of thunderstorms and the strongest winds were still occurring in that ring of storms. Bands of showers and thunderstorms were revolving around the center of Tropical Cyclone Hidaya. Winds to tropical storm force extended out 100 miles (160 km) from the center of Hidaya’s circulation.

Tropical Cyclone Hidaya will move through an environment that will become more unfavorable for intensification during the next 12 hours. Hidaya will move over water where the Sea Surface Temperatures are near 29°C. It will move under the axis of an upper level ridge over the South Indian Ocean. The upper level winds are weak near the axis of the ridge and there will be little vertical wind shear. However, Tropical Cyclone Hidaya will pull more drier air that is currently over Africa into its circulation as it moves closer to the coast of Tanzania. The drier air is likely to cause more thunderstorms to weaken, which will further decrease the upper level divergence. The surface pressure will continue to increase as the upper level divergence decreases. Tropical Cyclone Hidaya is likely to continue to weaken during the next 12 hours.

Tropical Cyclone Hidaya will move around the northern side of a high pressure system over the South Indian Ocean. The high pressure system will steer the Hidaya toward the northwest during the next 24 hours. On its anticipated track Tropical Cyclone Hidaya will approach the coast of Tanzania near Dar es Salaam in 12 hours. Hidaya will bring strong winds and locally heavy rain to eastern Tanzania. Heavy rain could cause flash floods in some locations. Hidaya will also bring gusty winds and locally heavy rain to Zanzibar and Mafia Island. Tropical Cyclone Hidaya could also produce a storm surge of up to 7 feet (2 meters) along the coast of Tanzania.

Tropical Cyclone Hidaya Rapidly Intensifies to Equivalent of Hurricane/Typhoon

Tropical Cyclone Hidaya rapidly intensified to the equivalent of a hurricane/typhoon over the South Indian Ocean east of Tanzania on Thursday. At 11:00 p.m. EDT on Thursday the center of Tropical Cyclone Hidaya was located at latitude 8.7°S and longitude 43.0°E which put it about 295 miles (475 km) east-southeast of the Dar es Salaam, Tanzania. Hidaya was moving toward the west at 6 m.p.h. (10 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 977 mb.

Tropical Cyclone Hidaya rapidly intensified from the equivalent of a tropical storm to the equivalent of a hurricane/typhoon on Thursday. The inner end of a rainband wrapped around the center of Hidaya’s circulation. A circular eye with a diameter of 30 miles (50 km) formed at the center of Tropical Cyclone Hidaya. 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 Tropical Cyclone Hidaya. Storms near the core 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 Hidaya was symmetrical. Winds to hurricane/typhoon force extended out 25 miles (40 km) from the center of Hidaya’s circulation. Winds to tropical storm force extended out 125 miles (200 km) from the center of Tropical Cyclone Hidaya.

Tropical Cyclone Hidaya will move through an environment favorable for intensification during the next 24 hours. Hidaya will move over water where the Sea Surface Temperatures are near 29°C. It will move under the axis of an upper level ridge over the South Indian Ocean. The upper level winds are weak near the axis of the ridge and there will be little vertical wind shear. Tropical Cyclone Hidaya is likely to intensify during the next 24 hours. Hidaya could continue to intensify rapidly and it could strengthen to the equivalent of a major hurricane.

Tropical Cyclone Hidaya will move around the northern side of a high pressure system over the South Indian Ocean. The high pressure system will steer the Hidaya toward the west during the next 24 hours. On its anticipated track Tropical Cyclone Hidaya will move toward the coast of Tanzania. Hidaya could approach the coast near Dar es Salaam on Saturday. Hidaya could bring strong winds and locally heavy rain to eastern Tanzania. Heavy rain could cause flash floods in some locations. Tropical Cyclone Hidaya could also produce a storm surge of up to 10 feet (3 meters) along the coast of Tanzania.

Tropical Cyclone Hidaya Develops East of Tanzania

Tropical Cyclone Hidaya developed over the South Indian Ocean east of Tanzania on Wednesday. At 11:00 a.m. EDT on Wednesday the center of Tropical Cyclone Hidaya was located at latitude 8.6°S and longitude 45.0°E which put it about 2250 miles (360 km) north-northeast of the Comoros. Hidaya was moving toward the west at 4 m.p.h. (6 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 999 mb.

A former tropical depression over the South Indian Ocean north-northeast of Comoros strengthened on Wednesday and Meteo France La Reunion designated the system as Tropical Cyclone Hidaya. Thunderstorms were occurring near the center of Hidaya’s circulation. Bands of showers and thunderstorms were revolving around the center of circulation. Storms near the center of Hidaya generated upper level divergence that pumped mass away from the tropical cyclone. Winds to tropical storm force extended out 100 miles (160 km) from the center of Tropical Cyclone Hidaya.

Tropical Cyclone Hidaya will move through an environment favorable for intensification during the next 24 hours. Hidaya will move over water where the Sea Surface Temperatures are near 29°C. It will move under the western end of the axis of an upper level ridge over the South Indian Ocean. The upper level winds are weak near the axis of the ridge and there will be little vertical wind shear. Tropical Cyclone Hidaya is likely to intensify during the next 24 hours.

Tropical Cyclone Hidaya will move around the northern side of a high pressure system over the South Indian Ocean. The high pressure system will steer the Hidaya toward the west during the next 24 hours. On its anticipated track Tropical Cyclone Hidaya will move north of Comoros on Thursday. Hidaya will bring gusty winds and locally heavy rain to Comoros. Heavy rain is likely to cause flash floods in some locations. Tropical Cyclone Hidaya could approach the coast of Africa near southern Tanzania and northern Mozambique later this week.