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Tropical Cyclone Dikeledi Passes North of Mauritius

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Tropical Cyclone Dikeledi was passing north of Mauritius on Thursday.  At 4:00 p.m. EST on Thussday the center of Tropical Cyclone Dikeledi was located at latitude 13.5°S and longitude 59.4°E which put the center about 485 miles (785 km) north-northeast of Port Louis, Mauritius.  Dikeledi was moving toward the west at 17 m.p.h. (28 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 999 mb.

Tropical Cyclone Dikeledi strengthened gradually as it moved over the South Indian Ocean north-northeast of Mauritius on Thursday.  More thunderstorms formed near the center of Dikeledi’s circulation.  The inner end of a rainband wrapped around the southern and western sides of the center of Tropical Cyclone Dikeledi.  Bands of showers and thunderstorms were revolving around the center of Dikeledi.  Storms near the center of Dikeledi generated upper level divergence that pumped mass away from the tropical cyclone.

The distribution of wind speeds in Tropical Cyclone Dikeledi was asymmetrical.  Winds to tropical storm force extended out 70 miles (110 km) in the southern half of Dikeledi’s circulation.  The winds in the northern half of Tropical Cyclone Dikeledi were blowing at less than tropical storm force.

Tropical Cyclone Dikeledi will move through an environment favorable for intensification during the next 24 hours.  Dikeledi will move over water where where the Sea Surface Temperatures are near 28°C.  It will move under the northern part of an upper level ridge over the South Indian Ocean.  The upper level ridge will produce easterly winds that will blow toward the top of Dikeledi’s circulation.  Those winds will cause some vertical wind shear, but the wind shear will not be enough to prevent intensification.  Tropical Cyclone Dikeledi will intensify during the next 24 hours.  Dikeledi could strengthen to the equivalent of a hurricane/typhoon within 36 hours.

Tropical Cyclone Dikeledi will move around the northern side of a high pressure system over the South Indian Ocean.  The high pressure system will steer DIkeledi toward the west during the next 24 hours.  On its anticipated track, Tropical Cyclone Dikeledi will approach northern Madagascar in 36 hours.

Tropical Cyclone Dikeledi Forms Northeast of Mauritius

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Tropical Cyclone Dikeledi formed over the South Indian Ocean northeast of Mauritius on Wednesday evening.  At 7:00 p.m. EST on Wednesday the center of Tropical Cyclone Dikeledi was located at latitude 15.0°S and longitude 66.4°E which put the center about 685 miles (1110 km) northeast of Port Louis, Mauritius.  Dikeledi was moving toward the west at 22 m.p.h. (33 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 1001 mb.

A low pressure system over the South Indian Ocean northeast of Mauritius strengthened on Wednesday evening and Meteo France la Reunion designated the system as Tropical Cyclone Dikeledi.  More thunderstorms formed near the center of Tropical Cyclone Dikeledi.  The inner end of a rainband wrapped around the northern and eastern sides of the center of Dikeledi’s circulation.  Other bands of showers and thunderstorms were revolving around the center of Tropical Cyclone Dikeledi.  Storms near the center of Dikeledi generated upper level divergence that pumped mass away to the south and west of the tropical cyclone.

Tropical Cyclone Dikeledi will move through an environment favorable for intensification during the next 24 hours.  Dikeledi will move over water where where the Sea Surface Temperatures are near 28°C.  It will move under the northern part of an upper level ridge over the South Indian Ocean.  The upper level ridge will produce easterly winds that will blow toward the top of Dikeledi’s circulation.  Those winds will cause some vertical wind shear, but the wind shear will not be enough to prevent intensification.  Tropical Cyclone Dikeledi will intensify during the next 24 hours.  Dikeledi could strengthen to the equivalent of a hurricane/typhoon later this week.

Tropical Cyclone Dikeledi will move around the northern side of a high pressure system over the South Indian Ocean.  The high pressure system will steer DIkeledi toward the west during the next 24 hours.  On its anticipated track, Tropical Cyclone Dikeledi will pass north of Mauritius and La Reunion.  Dikeledi is likely to approach northern Madagascar later this week.

Tropical Cyclone Bheki Passes South of Mauritius

Tropical Cyclone Bheki was passing south of Mauritius on Thursday morning.  At 4:00 a.m. EST on Thursday the center of Tropical Cyclone Bheki was located at latitude 21.4°S and longitude 56.9°E which put the center about 140 miles (230 km) east-southeast of Port Louis, Mauritius.  Bheki was moving toward the southwest at 16 m.p.h. (26 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.

Tropical Cyclone Bheki was weakening as it passed south of Mauritius on Thursday morning.  An upper level trough over Madagascar was producing strong northwesterly winds that were blowing toward the top of Bheki’s circulation.  Those winds were causing strong vertical wind shear.  The strong vertical wind shear was affecting the structure of Tropical Cyclone Bheki.  Thunderstorms were still occurring in bands in the southeastern quadrant of Bheki’s circulation.  Bands in the other parts of Tropical Cyclone Bheki consisted primarily of showers and lower clouds.

The asymmetrical distribution of thunderstorms was also affecting the distribution of wind speeds in Tropical Cyclone Bheki.  Winds to tropical storm force extended out 115 miles (185 km/h) in the southern side of Bheki’s circulation.  The winds in the northern side of Tropical Cyclone Bheki were blowing at less than tropical storm force.

Tropical Cyclone Bheki will continue to move through an environment that will be unfavorable for intensification during the next 24 hours.  Bheki will move over water where where the Sea Surface Temperatures are near 25°C.  The upper level trough near Madagascar will continue to cause strong vertical wind shear.  Tropical Cyclone Bheki will continue to weaken during the next 24 hours because of the strong vertical wind shear.  Bheki could make a transition to an extratropical cyclone.

Tropical Cyclone Bheki will move around the northwestern part of a high pressure system over the South Indian Ocean.  The high pressure system will steer Bheki toward the southwest during the next 24 hours.  On its anticipated track, the center Tropical Cyclone Bheki will pass south of Mauritius and La Reunion.

Tropical Cyclone Bheki To Bring Wind and Rain to Rodrigues

Tropical Cyclone Bheki will bring wind and rain to Rodrigues in the South Indian Ocean.  At 4:00 p.m. EST on Tuesday the center of Tropical Cyclone Bheki was located at latitude 18.4°S and longitude 64.4°E which put the center about 110 miles (175 km) northeast of Rodrigues.  Bheki was moving toward the west-southwest at 12 m.p.h. (19 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 988 mb.

Tropical Cyclone Bheki weakened gradually on Tuesday as it approached Rodrigues.  The effects of vertical wind shear and drier air started to affect the structure of Tropical Cyclone Bheki.  Thunderstorms were still occurring in bands in the eastern side of Bheki’s circulation.  Bands in the western part of Tropical Cyclone Bheki consisted primarily of showers and lower clouds.  Storms near the center of Bheki generated upper level divergence that pumped mass away to the east of the tropical cyclone.

The effects of the vertical wind shear also affected the distribution of wind speeds in Tropical Cyclone Bheki.  Winds to hurricane/typhoon force extended out 40 miles (65 km) from the center of Bheki’s circulation.  Winds to tropical storm force extended out 160 miles (260 km) in the southern side of Tropical Cyclone Bheki.  Winds to tropical storm force extended out 100 miles (160 km) in the northern side of Bheki’s circulation.

Tropical Cyclone Bheki will continue to move through an environment that will be unfavorable for intensification during the next 24 hours.  Bheki will move over water where where the Sea Surface Temperatures are near 26°C.  It will move under the eastern side of an upper level trough near Madagascar.  The upper level level trough will produce northwesterly winds that will blow toward the top of Bheki’s circulation.  Those upper level winds will cause the moderate vertical wind shear.  Tropical Cyclone Bheki will continue to weaken during the next 24 hours because of the moderate vertical wind shear.

Tropical Cyclone Bheki will move around the northwestern part of a high pressure system over the South Indian Ocean.  The high pressure system will steer Bheki toward the west-southwest during the next 24 hours. On its anticipated track, the center Tropical Cyclone Bheki will pass just to the north of Rodrigues during the next 12 hours.  Bheki could be near Mauritius in 36 hours.

Tropical Cyclone Bheki will bring strong winds and locally heavy rain to Rodrigues. Heavy rain could cause flash floods in some locations.

Tropical Cyclone Gamane Brings Wind and Rain to Northern Madagascar

Tropical Cyclone Gamane brought strong winds and heavy rain to northern Madagacar on Wednesday. At 11:00 a.m. EDT on Wednesday the center of Tropical Cyclone Gamane was located at latitude 13.5°S and longitude 49.1°E which put it about 25 miles (40 km) south of the Ambilobe, Madagascar. Gamane was moving toward the southwest at 6 m.p.h. (10 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 991 mb.

Tropical Cyclone Gamane rapidly intensified to the equivalent of a hurricane/typhoon before it made landfall on the coast of northern Madagascar near Iharana on Tuesday night. The circulation around Gamane was small at the time of landfall. Winds to hurricane/typhoon force extended out 25 miles (40 km) from the center of Tropical Cyclone Gamane at the time of landfall. Winds to tropical storm force only extended out 65 miles (105 km) from the center of Gamane’s circulation.

Tropical Cyclone Gamane weakened after the center of circulation moved over land. However, the circulation around Tropical Cyclone Gamane remained well organized. Thunderstorms were still occurring near the center of Gamane’s circulation. Bands of showers and thunderstorms were revolving around the center of circulation. Storms near the center of Gamane generated upper level divergence that pumped mass away from the tropical cyclone. Winds to tropical storm force extended out 65 miles (105 km) from the center of Tropical Cyclone Gamane.

Tropical Cyclone Gamane will move around the western end of a high pressure system over the South Indian Ocean. The high pressure system will steer Gamane toward the south during the next 24 hours. On its anticipated track, Tropical Cyclone Gamane will move toward the south over northern Madagascar. Gamane will continue to weaken while the center of circulation is over land. Even though Tropical Cyclone Gamane will weaken, it will continue to drop heavy rain over parts of northern Madagascar. Heavy rain will cause floods in some locations.

An upper level trough southwest of Madagascar will start to steer Tropical Cyclone Gamane toward the southeast in a day or so. The center of Gamane is likely to move back over the Southwest Indian Ocean on Friday. Tropical Cyclone Gamane could strengthen once the center of circulation moves back over water. Gamane could affect La Reunion and Mauritius during the weekend.

Tropical Cyclone Eleanor Weakens South of Mauritius

Tropical Cyclone Eleanor weakened south of Mauritius on Friday. At 10:00 a.m. EST on Friday the center of Tropical Cyclone Eleanor was located at latitude 23.9°S and longitude 58.4°E which put it about 265 miles (430 km) south-southeast of Port Louis, Mauritius. Eleanor was moving toward the south at 5 m.p.h. (8 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 995 mb.

An upper level trough southeast of Madagascar produced strong northwesterly winds that blew across the top of Tropical Cyclone Eleanor. Those winds caused strong vertical wind shear. The strong upper level winds also blew the upper part pf Eleanor’s circulation to the southeast of the circulation in the lower levels of the atmosphere. Bands revolving around the center of Tropical Cyclone Eleanor consisted primarily of showers and lower clouds. A few thunderstorms were still occurring in bands in the southeastern periphery of Eleanor’s circulation. Winds to tropical storm force extended out 140 miles (225 km) from the center of Tropical Cyclone Eleanor.

Tropical Cyclone Eleanor will move through an environment unfavorable for intensification during the next 36 hours. Eleanor will move over water where the Sea Surface Temperatures are near 27°C. However, the upper level trough south of Madagascar will continue to cause strong vertical wind shear. The strong wind shear will cause Tropical Cyclone Eleanor to continue to weaken during the next 36 hours.

Since the circulation around Tropical Cyclone Eleanor exists in the lower levels of the atmosphere, it will be steered by winds in those levels. Eleanor will move around the northern side of a high pressure system over the South Indian Ocean. The high pressure system will steer Eleanor toward the west. On its anticipated track, Tropical Cyclone Eleanor will move south of Mauritius and La Reunion during the next 36 hours.

Elsewhere over the South Indian Ocean, Tropical Cyclone Lincoln continued to spin near the coast of Western Australia. At 10:00 a.m. EST on Friday the center of Tropical Cyclone Lincoln was located at latitude 19.3°S and longitude 113.5°E which put it about 245 miles (395 km) north of Exmouth, Australia. Lincoln was moving toward the southwest at 5 m.p.h. (8 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 999 mb. A Warning was in effect for the portion of the coast from Onslow to Wooramel Roadhouse, Australia. The Warning included Exmouth and Carnarvon.

Tropical Cyclone Eleanor Moves Southeast of Mauritius

Tropical Cyclone Eleanor moved southeast of Mauritius on Thursday morning. At 10:00 a.m. EST on Thursday the center of Tropical Cyclone Eleanor was located at latitude 21.7°S and longitude 58.4°E which put it about 120 miles (195 km) southeast of Port Louis, Mauritius. Eleanor was moving toward the south-southeast at 15 m.p.h. (24 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 992 mb.

Bands in the western part of Tropical Cyclone Eleanor produced gusty winds and rain showers in Mauritius on Thursday. A weather station at the Sir Seewoosagur Ramgoolam International Airport (FIMP) in Port St. Louis reported a sustained wind speed of 26 m.p.h. (43 km/h) and a wind gust of 40 m.p.h. (65 km/h).

The distribution of thunderstorms in Tropical Cyclone Eleanor was asymmetrical. Thunderstorms were occurring in bands in the eastern and southern parts of Eleanor’s circulation. Bands in the northern and western parts of Tropical Cyclone Eleanor consisted primarily of showers and lower clouds. An upper level trough south of Madagascar produced northwesterly winds that blew toward the top of Eleanor’s circulation. Those winds caused moderate vertical wind shear and the wind shear caused the asymmetrical distribution of thunderstorms. Winds to tropical storm force extended out 125 miles (200 km) from the center of Eleanor’s circulation.

Tropical Cyclone Eleanor will move through an environment somewhat favorable for intensification during the next 24 hours. Eleanor will move over water where the Sea Surface Temperatures are near 28°C. However, the upper level trough south of Madagascar will continue to cause moderate vertical wind shear. The wind shear will inhibit intensification, but Tropical Cyclone Eleanor could strengthen a little during the next 24 hours.

Tropical Cyclone Eleanor will move around the northwestern part of a high pressure system over the South Indian Ocean. The high pressure system will steer Eleanor toward the south-southwest during the next 24 hours. On its anticipated track, Tropical Cyclone Eleanor will gradually move farther to the south-southeast of Mauritius.

Tropical Cyclone Eleanor Churns North-northeast of Mauritius

Tropical Cyclone Eleanor was churning over the South Indian Ocean north-northeast of Mauritius on Tuesday night. At 10:00 p.m. EST on Tuesday the center of Tropical Cyclone Eleanor was located at latitude 15.2°S and longitude 60.6°E which put it about 425 miles (685 km) north-northeast of Port Louis, Mauritius. Eleanor was moving toward the south-southeast at 7 m.p.h. (11 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 993 mb.

Tropical Cyclone Eleanor strengthened gradually on Tuesday as it churned over the South Indian Ocean north-northeast of Mauritius. More thunderstorms developed near the center of Eleanor’s circulation Bands of showers and thunderstorms were revolving around the center of Tropical Cyclone Eleanor. 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 90 miles (145 km km) from the center of Tropical Cyclone Eleanor.

Tropical Cyclone Eleanor will move through an environment favorable for intensification during the next 36 hours. Eleanor 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 Eleanor will intensify during the next 36 hours. Eleanor could strengthen to the equivalent of a hurricane/typhoon.

Tropical Cyclone Eleanor will move around the western end of a high pressure system over the South Indian Ocean. The high pressure system will steer Eleanor toward the south during the next 36 hours. On its anticipated track, Tropical Cyclone Eleanor will be northeast of Mauritius in 24 hours. Eleanor could be the equivalent of a hurricane/typhoon when it is northeast of Mauritius.

Elsewhere, former Tropical Cyclone Lincoln moved across northern Australia toward the coast of Western Australia. At 7:00 p.m. EST on Tuesday the center of former Tropical Cyclone Lincoln was located at latitude 15.9°S and longitude 124.6°E which put it about 65 miles (105 km) east-northeast of Cockatoo Island. Lincoln was moving toward the west-northwest at 9 m.p.h. (15 km/h). The maximum sustained wind speed was 25 m.p.h. (40 km/h) and there were wind gusts to 35 m.p.h. (55 km/h). The minimum surface pressure was 1004 mb.

The Australian Bureau of Meteorology issued a Watch for the portion of the coast from Roebourne to Ningaloo. The Watch included Karratha, Dampier, Onslow and Exmouth.

Tropical Cyclone Eleanor Forms North of Mauritius

Tropical Cyclone Eleanor formed over the South Indian Ocean north of Mauritius on Monday. At 1:00 p.m. EST on Monday the center of Tropical Cyclone Eleanor was located at latitude 14.1°S and longitude 56.6°E which put it about 415 miles (670 km) north of Port Louis, Mauritius. Eleanor was moving toward the east at 13 m.p.h. (21 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 low pressure system over the South Indian Ocean north of Mauritius strengthened on Monday and Meteo France La Reunion designated the system as Tropical Cyclone Eleanor. More thunderstorms formed near the center of Eleanor’s circulation. Bands of showers and thunderstorms were revolving around the center of Tropical Cyclone Eleanor. 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 150 miles (240 km) from the center of Eleanor’s circulation.

Tropical Cyclone Eleanor will move through an environment favorable for intensification during the next 36 hours. Eleanor 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 Eleanor will intensify during the next 36 hours. Eleanor could intensify rapidly at times. Tropical Cyclone Eleanor is likely to strengthen to the equivalent of a hurricane/typhoon.

Tropical Cyclone Eleanor will move around the western end of a high pressure system over the South Indian Ocean. The high pressure system will steer Eleanor toward the south during the next 48 hours. On its anticipated track, the center of Tropical Cyclone Eleanor will approach Mauritius in 48 hours. Eleanor is likely to be the equivalent of a hurricane/typhoon when it approaches Mauritius.

Elsewhere over the South Indian Ocean, Tropical Cyclone Djoungou weakened rapidly west of Australia. At 4:00 p.m. EST on Monday the center of Tropical Cyclone Djoungou was located at latitude 30.7°S and longitude 93.9°E which put it about 1470 miles (2370 km) west of Perth, Australia. Djoungou was moving toward the southeast at 47 m.p.h. (76 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 984 mb.

Tropical Cyclone Djoungou Strengthens to Equivalent of Cat. 4 Hurricane

Tropical Cyclone Djoungou strengthened to the equivalent of a Category 4 hurricane on the Saffir-Simpson Scale over the South Indian Ocean on Sunday. At 4:00 p.m. EST on Sunday the center of Tropical Cyclone Djoungou was located at latitude 22.5°S and longitude 82.3°E which put it about 1150 miles (1855 km) south-southeast of Diego Garcia. Djoungou was moving toward the southeast at 33 m.p.h. (54 km/h). The maximum sustained wind speed was 140 m.p.h. (220 km/h) and there were wind gusts to 165 m.p.h. (265 km/h). The minimum surface pressure was 942 mb.

A small circular was visible at the center of Tropical Cyclone Djoungou earlier on Sunday, but the eye was no longer evident on Sunday afternoon. 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 Djoungou. Storms near the core generated strong upper level divergence that pumped lmass away from the tropical cyclone.

The size of the circulation around Tropical Cyclone Djoungou increased on Sunday. Winds to hurricane/typhoon force extended out 70 miles (110 km) from the center of Djoungou’s circulation. Winds to tropical storm force extended out 200 miles (320 km) from the center of circulation. The Hurricane Intensity Index (HII) for Tropical Cyclone Djoungou was 28.2. The Hurricane Size Index (HSI) was 25.7 and the Hurricane Wind Intensity Size Index (HWISI) was 53.9.

Tropical Cyclone Djoungou will move through an environment unfavorable for a strong tropical cyclone during the next 36 hours. Djoungou will move over water where the Sea Surface Temperatures are near 26°C. It will move under the eastern part of an upper level trough over the South Indian Ocean. The upper level trough will produce strong northwesterly winds that will blow toward the top of Djoungou’s circulation. Those winds will cause strong vertical wind shear. Strong vertical wind shear and cooler water will cause Tropical Cyclone Djoungou to weaken rapidly during the next 36 hours.

Tropical Cyclone Djoungou will move around the southern side of a high pressure system over the South Indian Ocean. The high pressure system will steer Djoungou toward the east-southeast during the next 36 hours. On its anticipated track, Tropical Cyclone Djoungou will move far to the south of the Cocos Islands in 36 hours.

Elsewhere over the South Indian Ocean, a tropical depression formed northwest of Mauritius. At 1:00 p.m. EST on Sunday the center of the tropical depression was located at latitude 15.5°S and longitude 5363°E which put it about 405 miles (650 km) northwest of Port Louis, Mauritius. The tropical depression was moving toward the east-northeast at 11 m.p.h. (17 km/h). The maximum sustained wind speed was 30 m.p.h. (50 km/h) and there were wind gusts to 40 m.p.h. (65 km/h). The minimum surface pressure was 1004 mb.