Tropical Cyclone Gezani Moves Away From Mozambique

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Tropical Cyclone Gezani moved away from Mozambique on Saturday.  At 10:00 p.m. EST on Saturday the center of Tropical Cyclone Gezani was located at latitude 26.7°S and longitude 39.0°E which put the center about 365 miles (590 km) east of Maputo, Mozambique.  Gezani was moving toward the east at 7 m.p.h. (11 km/h).  The maximum sustained wind speed was 100 m.p.h. (160 km/h) and there were wind gusts to 120 m.p.h. (195 km/h).  The minimum surface pressure was 967 mb.

Tropical Cyclone Gezani started to weaken on Saturday as it moved away from Mozambique.  An eye was no longer visible in satellite images of the center of Gezani’s circulation.  Thunderstorms were still occurring near the center of Tropical Cyclone Gezani.  Bands of showers and thunderstorms were still revolving around the center of Gezani’s circulation.  Storms near the center of Gezani generated upper level divergence that pumped mass away from the tropical cyclone.  However, the removal of mass in the upper levels was less than the convergence of mass in the lower levels of the atmosphere.  So, the surface pressure increased on Saturday.

The size of the circulation around Tropical Cyclone Gezani increased a little on Saturday.  Winds to hurricane/typhoon force extended out 60 miles (95 km) from the center of Gezani’s circulation.  Winds to tropical storm force extended out 90 miles (145 km) from the center of Tropical Cyclone Gezani.

Tropical Cyclone Gezani will move through an environment that will be unfavorable for intensification during the next 24 hours.  Gezani will move over water where the Sea Surface Temperatures are near 28°C.  It will move under the eastern side of an upper level trough that is over South Africa.  The upper level trough will produce northwesterly winds that will blow toward the top of Gezani’s circulation.  Those winds will cause moderate vertical wind shear. Tropical Cyclone Gezani will weaken during the next 24 hours because of the moderate vertical wind shear.  The vertical wind shear will cause Gezani to start to make a transition to an extratropical cyclone on Sunday.

The upper level trough will steer Tropical Cyclone Gezani toward the east during the next 24 hours.  On its anticipated track, Tropical Cyclone Gezani will continue to move away from the coast of Mozambique on Sunday.

Tropical Cyclone Gezani Clips Mozambique

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The western side of Tropical Cyclone Gezani clipped the coast of Mozambique near Inhambane on Friday night.  At 10:00 p.m. EST on Friday the center of Tropical Cyclone Gezani was located at latitude 24.4°S and longitude 35.8°E which put the center about 35 miles (55 km) southeast of Inhambane, Mozambique.  Gezani was moving toward the south-southwest at 11 m.p.h. (17 km/h).  The maximum sustained wind speed was 110 m.p.h. (175 km/h) and there were wind gusts to 130 m.p.h. (210 km/h).  The minimum surface pressure was 960 mb.

Tropical Cyclone Gezani was the equivalent of a Category 2 hurricane on the Saffir-Simpson Scale when it clipped the coast of Mozambique on Friday night.  A circular eye with a diameter of 20 miles (32 km) was present at the center of Gezani’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 Gezani’s circulation.  Storms near the center of Gezani 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 Gezani was small.  Winds to hurricane/typhoon force extended out 35 miles (55 km) from the center of Gezani’s circulation.  Winds to tropical storm force extended out 90 miles (145 km) from the center of Tropical Cyclone Gezani.

The Hurricane Intensity Index (HII) for Tropical Cyclone Gezani was 19.2.  The Hurricane Size Index (HSI) was 12.9 and the Hurricane Wind Intensity Size Index (HWISI) was 32.1.  Tropical Cyclone Gezani was similar in size and intensity to Hurricane Sally when Sally hit Alabama in 2020.

Tropical Cyclone Gezani will move through an environment that will become less favorable for intensification during the next 24 hours.  Gezani will move over water where the Sea Surface Temperatures are near 29°C.  It will move under the eastern side of an upper level trough that is over South Africa.  The upper level trough will produce northwesterly winds that will blow toward the top of Gezani’s circulation.  Those winds will cause the vertical wind shear to increase.  Tropical Cyclone Gezani is likely to maintain its intensity during the next 24 hours.

The upper level trough will start to steer Tropical Cyclone Gezani toward the south-southeast during the next 24 hours.  On its anticipated track, Tropical Cyclone Gezani will start to move away from the coast of central Mozambique on Saturday.

Bands in the western half of Tropical Cyclone Gezani circulation will continue to bring strong winds and locally heavy rain to the region near Inhambane during the next few hours.  Heavy rain could cause flash floods in some locations.

Tropical Cyclone Gezani Nears Mozambique

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Tropical Cyclone Gezani was nearing the coast of Mozambique on Friday morning.  At 10:00 a.m. EST on Friday the center of Tropical Cyclone Gezani was located at latitude 22.8°S and longitude 36.3°E which put the center about 130 miles (210 km) north-northeast of Inhambane, Mozambique.  Gezani was moving toward the southwest at 9 m.p.h. (15 km/h).  The maximum sustained wind speed was 105 m.p.h. (165 km/h) and there were wind gusts to 125 m.p.h. (200 km/h).  The minimum surface pressure was 964 mb.

Tropical Cyclone Gezani was strengthening on Friday morning as it neared the coast of Mozambique.  A circular eye with a diameter of 25 miles (40 km) was present at the center of Gezani’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 Gezani’s circulation.  Storms near the center of Gezani generated upper level divergence that pumped mass away from the tropical cyclone.  The removal of mass caused the surface pressure to decrease.

The size of the circulation around Tropical Cyclone Gezani increased a little when Gezani strengthened.  Winds to hurricane/typhoon force extended out 45 miles (75 km) from the center of Gezani’s circulation.  Winds to tropical storm force extended out 90 miles (145 km) from the center of Tropical Cyclone Gezani.

The Hurricane Intensity Index (HII) for Tropical Cyclone Gezani was 17.8.  The Hurricane Size Index (HSI) was 14.1 and the Hurricane Wind Intensity Size Index (HWISI) was 31.9.  Tropical Cyclone Gezani was similar in size and intensity to Hurricane Sally when Sally hit Alabama in 2020.

Tropical Cyclone Gezani will move through an environment that will be favorable for intensification during the next 24 hours.  Gezani will move over water where the Sea Surface Temperatures are near 29°C.  It will move under the middle of an upper level ridge that is over the Mozambique Channel.  The upper level winds are weak near the middle of the ridge and there will be little vertical wind shear.  Tropical Cyclone Gezani is likely to intensify during the next 24 hours.  Gezani could strengthen to the equivalent of a major hurricane on Friday.

Tropical Cyclone Gezani will move around the western side of a high pressure system that is over the South Indian Ocean.  The high pressure system will steer Gezani toward the south during the next 24 hours.  On its anticipated track, the center of Tropical Cyclone Gezani will pass very close to the coast of central Mozambique during the next 24 hours.

The center of Tropical Cyclone Gezani is currently forecast to pass just to the east of the coast of central Mozambique.  Bands in the western half of Gezani’s circulation could bring strong winds and locally heavy rain to the region near Inhambane.  Heavy rain could cause flash floods in some locations.  If Tropical Cyclone Gezani moves a little to the west of the forecast track, then the strongest part of Gezani’s circulation could hit the area around Inhambane.

Tropical Cyclone Gezani Intensifies Back to Equivalent of Hurricane/Typhoon

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Tropical Cyclone Gezani intensified back to the equivalent of a hurricane/typhoon over the Mozambique Channel on Thursday morning.  At 10:00 a.m. EST on Thursday the center of Tropical Cyclone Gezani was located at latitude 20.6°S and longitude 39.5°E which put the center about 325 miles (525 km) northeast of Inhambane, Mozambique.  Gezani was moving toward the west-southwest at 13 m.p.h. (21 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 982 mb.

Tropical Cyclone Gezani intensified back to the equivalent of a hurricane/typhoon as it moved over the Mozambique Channel on Thursday morning.  The inner end of a rainband wrapped around the center of Gezani’s circulation.  A small circular eye formed at the center of Tropical Cyclone Gezani.  A ring of thunderstorms surrounded the eye and the strongest winds were occurring in that ring of storms.  Bands of showers and thunderstorms were revolving around the center of Gezani’s circulation.  Storms near the center of Gezani generated upper level divergence that pumped mass away from the tropical cyclone.  The removal of mass caused the surface pressure to decrease.

The strongest winds were occurring in the eastern side of Tropical Cyclone Gezani.  Winds to hurricane/typhoon force extended out 30 miles (50 km) in the eastern half of Gezani’s circulation.  Winds to tropical storm force extended out 70 miles (110 km) from the center of Tropical Cyclone Gezani.

Tropical Cyclone Gezani will move through an environment that will be very favorable for intensification during the next 24 hours.  Gezani will move over water where the Sea Surface Temperatures are near 29°C.  It will move under the middle of an upper level ridge that is over the Mozambique Channel.  The upper level winds are weak near the middle of the ridge and there will be little vertical wind shear.  Tropical Cyclone Gezani will intensify during the next 24 hours.  Gezani could intensify rapidly at times.  Tropical Cyclone Gezani could strengthen to the equivalent of a major hurricane by Friday.

Tropical Cyclone Gezani will move around the northern side of a high pressure system that is over the South Indian Ocean.  The high pressure system will steer Gezani toward the west-southwest during the next 24 hours.  On its anticipated track, Tropical Cyclone Gezani will approach the coast of Mozambique in 24 hours.

Tropical Cyclone Gezani Moves Over Mozambique Channel

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Tropical Cyclone Gezani moved over the Mozambique Channel on Wednesday after it crossed central Madagascar.  There were reports of damage and casualties in Madagascar.  At 10:00 p.m. EST on Wednesday the center of Tropical Cyclone Gezani was located at latitude 19.9°S and longitude 41.7°E which put the center about 455 miles (735 km) east of Beira, Mozambique.  Gezani was moving toward the west-southwest at 15 m.p.h. (24 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 999 mb.

Tropical Cyclone Gezani began to strengthen again after Gezani moved over the Mozambique Channel.  More thunderstorms developed near the center of Gezani’s circulation.  Thunderstorms also formed in bands revolving around the center of Tropical Cyclone Gezani.  Storms near the center of Gezani generated more upper level divergence that pumped mass away from the tropical cyclone.  The removal of more mass cause the surface pressure to start to decrease again.

The circulation around Tropical Cyclone Gezani was still small.  Winds to tropical storm force extended out 70 miles (110 km) from the center of Gezani’s circulation.

Tropical Cyclone Gezani will move through an environment that will be very favorable for intensification during the next 24 hours.  Gezani will move over water where the Sea Surface Temperatures are near 29°C.  It will move under the middle of an upper level ridge that is over the Mozambique Channel.  The upper level winds are weak near the middle of the ridge and there will be little vertical wind shear.  Tropical Cyclone Gezani will intensify to the equivalent of a hurricane/typhoon during the next 24 hours.

Tropical Cyclone Gezani will move around the northern side of a high pressure system that is over the South Indian Ocean. The high pressure system will steer Gezani toward the west-southwest during the next 24 hours. On its anticipated track, Tropical Cyclone Gezani will moved closer to Mozambique.  Gezani will approach the coast of Mozambique in 36 hours.

Tropical Cyclone Gezani Hits Madagascar

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Tropical Cyclone Gezani hit Madagascar near Toamasina with strong winds and heavy rain on Tuesday afternoon.  At 10:00 p.m. EST on Tuesday the center of Tropical Cyclone Gezani was located at latitude 18.4°S and longitude 47.6°E which put the center about 75 miles (120 km) northeast of Antananarivo, Madagascar.  Gezani was moving toward the west at 11 m.p.h. (17 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 985 mb.

Tropical Cyclone Gezani hit Madagascar near Toamasina on Tuesday afternoon.  A weather station at the airport in Toamasina (FMMT) reported a reported a sustained wind speed of 54 m.p.h. (87 km/h) and a wind gust of 84 m.p.h. (135 km/h) at 10:00 a.m. EST on Tuesday.  That observation was made while Gezani was approaching Toamasina.  There have not been any additional reports from that weather station since that time.

Tropical Cyclone Gezani was the equivalent of a major hurricane when it hit Madagascar.  The maximum sustained wind speed was 125 m.p.h. (200 km) at the time of landfall.  Winds to hurricane/typhoon force extended out 30 miles (50 km) from the center of Gezani’s circulation.  Winds to tropical storm force extended out 80 miles (130 km) from the center of Tropical Cyclone Gezani.

The Hurricane Intensity Index (HII) for Tropical Cyclone Gezani at the time of landfall was 23.6.  The Hurricane Size Index (HSI) was 11.0 and the Hurricane Wind Intensity Size Index (HWISI) was 34.6. Tropical Cyclone Gezani was similar in size and intensity to Hurricane Dennis when Dennis hit Northwest Florida in 2005.

Tropical Cyclone Gezani will move around the northern side of a high pressure system that is over the South Indian Ocean.   The high pressure system will steer Gezani toward the west-southwest during the next 24 hours.  On its anticipated track, Tropical Cyclone Gezani will continue to move across central Madagascar on Wednesday.  Gezani will reach the Mozambique Channel on Wednesday night.

Tropical Cyclone Gezani will continue to bring strong winds and locally heavy rain to central Madagascar.  Heavy rain will cause flash floods in some locations.  Tropical Cyclone Gezani will be capable of causing serious damage to central Madagascar.  Widespread outages of electricity are likely.

Tropical Cyclone Gezani will continue to weaken as it moves across central Madagascar.  Gezani is likely to be the equivalent of a tropical storm when it reaches the Mozambique Channel.  Tropical Cyclone Gezani will move into an environment favorable for intensification after it moves over the Mozambique Channel.

Tropical Cyclone Gezani Intensifies to Equivalent of Major Hurricane

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Tropical Cyclone Gezani intensified to the equivalent of a major hurricane east of Madagascar on Tuesday morning.  At 10:00 a.m. EST on Tuesday the center of Tropical Cyclone Gezani was located at latitude 18.1°S and longitude 49.5°E which put the center about 105 miles (165 km) east of Toamasina, Madagascar.  Gezani was moving toward the west at 12 m.p.h. (19 km/h).  The maximum sustained wind speed was 125 m.p.h. (200 km/h) and there were wind gusts to 155 m.p.h. (250 km/h).  The minimum surface pressure was 956 mb.

Tropical Cyclone Gezani rapidly intensified to the equivalent of a major hurricane east of Toamasina, Madagascar on Tuesday morning.  A small circular eye with a diameter of 20 miles (32 km) was at the center of Tropical Cyclone Gezani.  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 center of Gezani’s circulation.  Storms near the center of Gezani generated strong upper level divergence that pumped large quantities of mass away from the tropical cyclone.  The removal of large amounts of mass caused the surface pressure to decrease rapidly.

The small circulation around Tropical Cyclone Gezani was very symmetrical.  Winds to hurricane/typhoon force extended out 30 miles (50 km) from the center of Gezani’s circulation.   Winds to tropical storm force extended out 80 miles (130 km) from the center of Tropical Cyclone Gezani.

The Hurricane Intensity Index (HII) for Tropical Cyclone Gezani is 23.6. The Hurricane Size Index (HSI) is 11.0 and the Hurricane Wind Intensity Size Index (HWISI) is 34.6. Tropical Cyclone Gezani is similar in size and intensity to Hurricane Dennis when Dennis hit Northwest Florida in 2005.

Tropical Cyclone Gezani will move through an environment that will be very favorable for intensification during the next few hours.  Gezani 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 the South Indian Ocean.  The upper level winds are weak near the middle of the ridge and there will be little vertical wind shear.  Tropical Cyclone Gezani could continue to intensify during the next few hours.

Tropical Cyclone Gezani will move around the northern side of a high pressure system that is over the South Indian Ocean.  The high pressure system will steer Gezani toward the west during the next 24 hours.  On its anticipated track, Tropical Cyclone Gezani will reach the east coast of Madagascar near Toamasina in a few hours.

Tropical Cyclone Gezani will be the equivalent of a major hurricane when it hits the east coast of Madagascar.  Gezani will bring strong winds and locally heavy rain to central Madagascar. Heavy rain will cause flash floods in some locations.  Tropical Cyclone Gezani will be capable of causing major damage to central Madagascar.  Widespread outages of electricity are likely.  Tropical Cyclone Gezani could also cause a storm surge of up to 13 feet (4 meters) along parts of the east coast of Madagascar near Toamasina.

Tropical Cyclone Gezani Rapidly Intensifies to Equivalent of Cat. 2 Hurricane

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Tropical Cyclone Gezani rapidly intensified to the equivalent of a Category 2 hurricane on the Saffir-Simpson Scale east of Madagascar on Monday.  At 10:00 p.m. EST on Monday the center of Tropical Cyclone Gezani was located at latitude 18.2°S and longitude 51.6°E which put the center about 245 miles (395 km) east of Toamasina, Madagascar.  Gezani was moving toward the west at 9 m.p.h. (15 km/h).  The maximum sustained wind speed was 105 m.p.h. (165 km/h) and there were wind gusts to 125 m.p.h. (200 km/h).  The minimum surface pressure was 973 mb.

Tropical Cyclone Gezani rapidly intensified to the equivalent of a Category 2 hurricane on the Saffir-Simpson Scale on Monday.  The inner end of a rainband wrapped around the center of Gezani’s circulation.  A circular eye with a diameter of 20 miles (32 km) formed at the center of Tropical Cyclone Gezani.  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 center of Gezani’s circulation.  Storms near the center of Gezani generated strong upper level divergence that pumped large quantities 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 Gezani was small.  Winds to hurricane/typhoon force extended out 30 miles (50 km) from the center of Gezani’s circulation.  Winds to tropical storm force extended out 80 miles (130 km) from the center of Tropical Cyclone Gezani.

The Hurricane Intensity Index (HII) for Tropical Cyclone Gezani is 17.8.  The Hurricane Size Index (HSI) is 9.8 and the Hurricane Wind Intensity Size Index (HWISI) is 27.6.  Tropical Cyclone Gezani is similar in size and intensity to Hurricane Zeta when Zeta hit Louisiana in 2020.

Tropical Cyclone Gezani will move through an environment that will be very favorable for intensification during the next 12 hours.  Gezani 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 the South Indian Ocean.  The upper level winds are weak near the middle of the ridge and there will be little vertical wind shear.  Tropical Cyclone Gezani will intensify during the next 12 hours. Gezani could continue to intensify rapidly.  Tropical Cyclone Gezani could strengthen to the equivalent of a major hurricane.

Tropical Cyclone Gezani will move around the northern side of a high pressure system that is over the South Indian Ocean.  The high pressure system will steer Gezani toward the west during the next 24 hours.  On its anticipated track, Tropical Cyclone Gezani will reach the east coast of Madagascar near Toamasina in 12 hours.

Tropical Cyclone Gezani is likely to be the equivalent of a major hurricane when it hits the east coast of Madagascar.  Gezani will bring strong winds and locally heavy rain to central Madagascar.  Heavy rain will cause flash floods in some locations. Tropical Cyclone Gezani will be capable of causing major damage to central Madagascar.  Tropical Cyclone Gezani could also cause a storm surge of up to 13 feet (4 meters) along parts of the east coast of Madagascar near Toamasina.

Tropical Cyclone Mitchell Moves Over Western Australia

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Tropical Cyclone Mitchell moved over the coast of Western Australia south of Carnarvon on Monday.  At 10:00 a.m. EST on Monday the center of Tropical Cyclone Mitchell was located at latitude 25.8°S and longitude 114.2°E which put the center about 70 miles (110 km) south-southeast of Carnarvon, Australia.  Mitchell was moving toward the south-southeast at 11 m.p.h. (17 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 991 mb.

The Australian Bureau of Meteorology issued a Warning that was in effect for the portion of the coast from Carnarvon to Overlander Roadhouse.  The Warning included Denham.

Tropical Cyclone Mitchell was the equivalent of a tropical storm at the time it moved over the coast of Western Australia.  Winds to tropical storm force extended out 80 miles (130 km) from the center of Mitchell’s circulation.

A weather station in Carnarvon, Australia measured a sustained wind speed of 43 m.p.h. (69 km/h) and a wind gust of 63 m.p.h. (102 km/h).

Tropical Cyclone Mitchell will move around the southwestern part of a high pressure system that is over Australia.  The high pressure system will steer Mitchell toward the south-southeast during the next 24 hours.  On its anticipated track, Tropical Cyclone Mitchell will move inland over Western Australia.  The center of Mitchell’s circulation will pass east of Denham.

Tropical Cyclone Mitchell will bring gusty winds and locally heavy rain to the area between Denham and Overlander Roadhouse during the next few hours.  Heavy rain could cause floods in some locations.

Flood Watches are in effect for the Gascoyne River, the Avon River, the Moore River, the Hill River, the Greenough River, the Murchison River, the Wooramel River, the Linden-Minilya Rivers, and the Yarra Yarra Lakes District.

Tropical Cyclone Gezani Moves Toward Madagascar

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Tropical Cyclone Gezani was strengthening on Monday morning as it moved toward the east coast of Madagascar.  At 10:00 a.m. EST on Monday the center of Tropical Cyclone Gezani was located at latitude 18.0°S and longitude 53.4°E which put the center about 365 miles (585 km) east of Toamasina, Madagascar.  Gezani was moving toward the west 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 991 mb.

Tropical Cyclone Gezani was strengthening on Monday morning.  The inner end of a rainband wrapped around the center of Gezani’s circulation.  A small circular eye was forming at the center of Tropical Cyclone Gezani.  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 center of Gezani’s circulation.  Storms near the center of Gezani 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 Gezani was small.  Winds to tropical storm force extended out 80 miles (130 km) from the center of Gezani’s circulation.

Tropical Cyclone Gezani will move through an environment that will be very favorable for intensification during the next 24 hours.  Gezani 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 the South Indian Ocean.  The upper level winds are weak near the middle of the ridge and there will be little vertical wind shear.  Tropical Cyclone Gezani will intensify during the next 24 hours.  Gezani could intensify rapidly.  Tropical Cyclone Gezani will strengthen to the equivalent of a hurricane/typhoon in the next few hours.

Tropical Cyclone Gezani will move around the northern side of a high pressure system that is over the South Indian Ocean.  The high pressure system will steer Gezani toward the west during the next 24 hours.  On its anticipated track, Tropical Cyclone Gezani will reach the east coast of Madagascar near Toamasina in 24 hours.

Tropical Cyclone Gezani will be the equivalent of a hurricane/typhoon when it hits the east coast of Madagascar.  Gezani will bring strong winds and locally heavy rain to central Madagascar.  Heavy rain will cause flash floods in some locations.  Tropical Cyclone Gezani could also cause a storm surge of up to 10 feet (3 meters) along parts of the east coast of Madagascar near Toamasina.