Cyclone Haruna

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Map key
Saffir–Simpson scale
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
Disc Plain black.svg Tropical cyclone
Solid black.svg Subtropical cyclone
ArrowUp.svg Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

In the middle of February, an area of convection, or thunderstorms, persisted in the Mozambique channel. It had an associated circulation and rainbands to the east of the center, [2] and was related to the monsoon trough. [3] The system was located within an area of warm sea surface temperatures of over 29 °C (84 °F) and steadily decreasing wind shear. A ridge to the south caused the system to initially track to the north. [2] By February 16, the system had moved over Mozambique and turned to the east, although by that time it had become better organized with the convection wrapping into the center. [4] Subsequently, the system moved southward due to a weakness in the ridge, with conditions favorable for tropical cyclogenesis such as low wind shear and good divergence. [5] On February 18, the Joint Typhoon Warning Center (JTWC) issued a Tropical Cyclone Formation Alert, [6] and at 1200  UTC that day, Météo-France (MFR) initiated advisories on Tropical Disturbance 09. [7]

Upon being classified, the disturbance had a broad circulation that was difficult to locate, with moderate convection in its eastern periphery. [7] The thunderstorms organized further, and MFR upgraded the disturbance to a tropical depression at 0000 UTC on February 19. [8] Three hours later, the JTWC began issuing advisories on Tropical Cyclone 16S, [9] and at 0600 UTC that day, MFR upgraded the depression to a moderate tropical storm after an advanced scatterometer indicated winds of over 65 km/h (40 mph); as a result, the National Weather Service of Madagascar gave it the name Haruna. By that time, the circulation had become better organized with increased rainbands, [10] and with an anticyclone aloft, the storm developed well-defined outflow. [11] The structure of Haruna continued to become more symmetrical with a large radius of maximum winds, developing a ragged eye early on February 20. Based on the improved appearance, MFR upgraded Haruna to a severe tropical storm at 0000 UTC that day. [12] About 12 hours later, the agency upgraded Haruna further to tropical cyclone status, with 10 minute winds of 120 km/h (75 mph). [13] That day, an approaching trough weakened the ridge to the south, causing the cyclone to slow and move erratically. [14] While Haruna was approaching the southwestern coast of Madagascar, it developed a 120 km (75 mi) wide eye, and the eyewall passed over Europa Island. Initially, MFR estimated that the storm would intensify to intense tropical cyclone status, and the agency assessed that Haruna reached 10 minute winds of 150 km/h (95 mph) on February 20. [15] The next day, JTWC estimated peak 1 minute winds of 185 km/h (115 mph). [16] In contrast, MFR estimated at that time that the cyclone had peaked when the eyewall thunderstorms warmed, [17] followed by the eye becoming less organized and the winds decreasing. [18]

While moving slowly to the east-southeast, Haruna re-intensified early on February 22 to its previous MFR peak intensity. [19] At around 0230 UTC that day, the cyclone made landfall about 55 km (35 mi) south of Morombe in southwestern Madagascar. [20] Haruna quickly weakened below cyclone status, [20] and while over land it accelerated to the southeast. [21] On February 23, Haruna weakened to an overland depression with 10 minute winds of around 45 km/h (30 mph). [22] A few hours later, the system emerged into the Indian Ocean near Fort Dauphin as a tropical disturbance. [23] With generally favorable conditions, convection reorganized slightly and the system redeveloped outflow to the south. [24] Early on February 24, Haruna re-intensified into a moderate tropical storm, [25] although soon after it weakened again due to cooler waters, increasing shear, and dry air. [26] At 1200 UTC, MFR issued its last advisory after Haruna began losing tropical characteristics, designating it as a subtropical depression. [27] The next day, the JTWC also discontinued advisories on the storm, noting that Haruna was dissipating about 665 km (415 mi) south-southwest of Réunion. [28]

Impact and aftermath

Satellite image of Haruna over southern Madagascar on February 22 Haruna Feb 22 2013 1100Z.jpg
Satellite image of Haruna over southern Madagascar on February 22

On Europa Island in the Mozambique Channel, Haruna produced wind gusts of 144 km/h (90 mph) during the passage of the eyewall. [15] Before the cyclone struck Madagascar, the Intertropical Convergence Zone had caused flooding in the country that killed four people and caused widespread road disruption. [29] Officials prepared by collecting supplies in the capital Antananarivo beginning on February 20, and sending an emergency crew to the expected landfall location. Residents were evacuated using boats and canoes to shelters. [30]

For several days while offshore western Madagascar, Haruna dropped greater than normal rainfall. [31] The storm ultimately made landfall about 15 hours faster than anticipated. [32] Winds and rainfall from Haruna damaged houses and power systems, [33] and also damaged 265 classrooms and 16 health facilities. [34] There was also damage to the rice and maize crops from high winds near the coast, [35] causing food shortages. [36] Rains from the storm caused a dyke along the Fiherenana River to break, which flooded a large region and forced about 6,000 people to evacuate their homes. [37] The flooding from the dyke break was worst in Toliara, where most residents lost access to fresh water and power. Flooding in the city caused the temporarily closure of the airport there. [33] The town of Morombe was temporarily isolated after the road was blocked. Power outages affected Morombe, Toliara, Sakaraha, and Betioky Sud. [38] Downed trees had affected roads near Toliara but were quickly removed. [30] About 1,050 houses were flooded, another 691 lost their roofs, [33] and 7,402 were destroyed, leaving 13,882 people homeless. Overall, Haruna killed 26 people and injured another 127. [39]

There were initial difficulties in distributing aid to areas of southwestern Madagascar due to prevailing unsettled weather, [38] along with fuel shortages. [30] Workers used boats to rescue people in flooded areas. [38] Members of the Madagascar Armed Forces, along with about 200 Red Cross volunteers, assisted in evacuations and aid distribution, [40] [30] and the Red Cross also provided free medical consultations to thousands of people. [30] Following the storm, there were increased levels of malaria, dysentery, and childhood diarrhea in the area around Toliara, [34] and there was a locust outbreak. [41] Increased locust activity persisted into the summer, and had been occurring since late 2012; this caused continued food shortages, and by July the locusts were affecting about half of the country's farmlands. [42] To prevent further spreading of disease, officials provided vaccinations and sprayed insecticide. [30] In isolated villages in southwestern Madagascar, residents faced food shortages, while in some areas, the water supply was contaminated. [43] Within a few weeks of the storms, many residents whose dwellings were not destroyed were able to return to their homes. In Toliara, about 4,000 students were initially unable to return to school due to being displaced. [44] In the middle of March, 1,948 displaced people stayed in a military camp or two schools, [34] but most returned home by early April. [45] Repairs to the dyke in Toliara began in early April, and were expected to take about a month and a half. [45]

On February 23, the prime minister of Madagascar issued an appeal to the international community for assistance. [30] In Toliara, United Nations agencies, including the World Food Programme, and non-governmental organizations worked together to provide food for 3,000 people in six shelters. [30] [38] The World Food Programme sent a truck with 1,050 tons of food to Toliara, including corn and legumes. [30] A few days after Haruna struck, the French Red Cross sent a ship to Toliara with 35 tons of supplies, including for housing and water. The International Federation of Red Cross and Red Crescent Societies authorized funds to help up to 10,000 affected residents. [40] Handicap International provided food and shelter to 547 people in Toliara. [46] Action Against Hunger sent a plane with 15 tons of supplies, including water treatment units, to Madagascar after the storm. [47] By March 20, 1,330 wells were disinfected by various crews. [30] On March 1, the European Commission donated €200,000 for immediate relief. [48] The Red Crescent Society of the United Arab Emirates sent about 80 tonnes of food, medicine, and building supplies to the country. [49]

See also

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<span class="mw-page-title-main">Tropical Storm Alvaro</span> South-West Indian Ocean tropical storm in 2023

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References

  1. ↑ Worldwide Tropical Cyclone Centers (Report). National Hurricane Center. 2011-09-11. Retrieved 2012-08-27.
  2. 1 2 Significant Tropical Weather Advisory for the Indian Ocean (Report). Joint Typhoon Warning Center. 2013-02-15. Archived from the original on May 22, 2024.
  3. ↑ Bulletin for Cyclonic Activity and Significant Tropical Weather in the Southwest Indian Ocean (PDF) (Report). Météo-France. 2013-02-15. Archived from the original (PDF) on February 16, 2013. Retrieved 2013-07-06.
  4. ↑ Significant Tropical Weather Advisory for the Indian Ocean (Report). Joint Typhoon Warning Center. 2013-02-16. Archived from the original on May 22, 2024.
  5. ↑ Bulletin for Cyclonic Activity and Significant Tropical Weather in the Southwest Indian Ocean (PDF) (Report). Météo-France. 2013-02-17. Archived from the original (PDF) on February 18, 2013. Retrieved 2013-07-07.
  6. ↑ Tropical Cyclone Formation Alert (Report). Joint Typhoon Warning Center. 2013-02-18. Archived from the original on September 20, 2012. Retrieved 2013-07-07.
  7. 1 2 Tropical Disturbance 09 Warning Number 01 (Report). Météo-France. 2013-02-18. Archived from the original on February 19, 2013. Retrieved 2013-07-07.
  8. ↑ Tropical Depression 09 Warning Number 03 (Report). Météo-France. 2013-02-19. Archived from the original on May 22, 2024. Retrieved 2013-07-07.
  9. ↑ Tropical Cyclone 16S (Sixteen) Warning NR 001 (Report). Joint Typhoon Warning Center. 2013-02-19. Archived from the original on May 22, 2024. Retrieved 2013-07-07.
  10. ↑ Moderate Tropical Storm 09 (Haruna) Warning Number 04 (Report). Météo-France. 2013-02-19. Archived from the original on February 19, 2013. Retrieved 2013-07-07.
  11. ↑ Tropical Cyclone 16S (Haruna) Warning NR 002 (Report). Joint Typhoon Warning Center. 2013-02-19. Archived from the original on May 22, 2024. Retrieved 2013-07-07.
  12. ↑ Severe Tropical Storm 09 (Haruna) Warning Number 07 (Report). Météo-France. 2013-02-20. Archived from the original on May 22, 2024. Retrieved 2013-07-07.
  13. ↑ Tropical Cyclone 09 (Haruna) Warning Number 09 (Report). Météo-France. 2013-02-20. Archived from the original on May 22, 2024. Retrieved 2013-07-07.
  14. ↑ Tropical Cyclone 16S (Haruna) Warning NR 003 (Report). Joint Typhoon Warning Center. 2013-02-20. Archived from the original on May 22, 2024. Retrieved 2013-07-08.
  15. 1 2 Tropical Cyclone 09 (Haruna) Warning Number 10 (Report). Météo-France. 2013-02-20. Archived from the original on May 22, 2024. Retrieved 2013-07-09.
  16. ↑ Tropical Cyclone 16S (Haruna) Warning NR 006 (Report). Joint Typhoon Warning Center. 2013-02-21. Archived from the original on May 22, 2024. Retrieved 2013-07-09.
  17. ↑ Tropical Cyclone 09 (Haruna) Warning Number 12 (Report). Météo-France. 2013-02-21. Archived from the original on May 22, 2024. Retrieved 2013-07-09.
  18. ↑ Tropical Cyclone 09 (Haruna) Warning Number 13 (Report). Météo-France. 2013-02-21. Archived from the original on May 22, 2024. Retrieved 2013-07-09.
  19. ↑ Tropical Cyclone 09 (Haruna) Warning Number 15 (Report). Météo-France. 2013-02-22. Archived from the original on May 22, 2024. Retrieved 2013-07-09.
  20. 1 2 Tropical Cyclone 09 (Haruna) Warning Number 16 (Report). Météo-France. 2013-02-22. Archived from the original on May 22, 2024. Retrieved 2013-07-09.
  21. ↑ Moderate Tropical Storm 09 (Haruna) Warning Number 18 (Report). Météo-France. 2013-02-22. Archived from the original on May 22, 2024. Retrieved 2013-07-09.
  22. ↑ Overland Depression 09 (Ex-Haruna) Warning Number 19 (Report). Météo-France. 2013-02-23. Archived from the original on May 22, 2024. Retrieved 2013-07-09.
  23. ↑ Tropical Disturbance 09 (Ex-Haruna) Warning Number 20 (Report). Météo-France. 2013-02-23. Archived from the original on May 22, 2024. Retrieved 2013-07-10.
  24. ↑ Tropical Depression 09 (Ex-Haruna) Warning Number 21 (Report). Météo-France. 2013-02-23. Archived from the original on May 22, 2024. Retrieved 2013-07-10.
  25. ↑ Moderate Tropical Storm 09 (Haruna) Warning Number 23 (Report). Météo-France. 2013-02-24. Archived from the original on May 22, 2024. Retrieved 2013-07-10.
  26. ↑ Tropical Depression 09 (ex-Haruna) Warning Number 24 (Report). Météo-France. 2013-02-24. Archived from the original on May 22, 2024. Retrieved 2013-07-10.
  27. ↑ Subtropical Depression 09 (ex-Haruna) Warning Number 25 (Report). Météo-France. 2013-02-24. Archived from the original on May 22, 2024. Retrieved 2013-07-10.
  28. ↑ Tropical Cyclone 16S (Haruna) Warning NR 013 (Report). Joint Typhoon Warning Center. 2013-02-25. Archived from the original on May 22, 2024. Retrieved 2013-07-10.
  29. ↑ Government of Madagascar (2013-02-19). Point de situation perturbation tropicale et ZCIT lundi 19 février 2013 à 16h00 (Report) (in French). ReliefWeb. Retrieved 2013-07-12.
  30. 1 2 3 4 5 6 7 8 9 10 Bureau National de Gestion des Risques et des Catastrophes (2013-03-28). Bilan des Activites Entreprises par le BNGRC et ses Partenaires Dans le Sud – Haruna (PDF) (Report) (in French). ReliefWeb. Retrieved 2013-07-17.
  31. ↑ United Nations Country Team in Madagascar (2013-02-22). Madagascar: Tropical Storm Haruna Situation Report No. 1, 22 February 2013 (Report). ReliefWeb. Retrieved 2013-07-12.
  32. ↑ "Cyclone Haruna kills one in Madagascar, threatens towns". ReliefWeb. Agence France-Presse. 2013-02-22. Retrieved 2013-07-12.
  33. 1 2 3 Rivonala Razafison (2013-02-25). Cyclone Haruna kills 13 in southern Madagascar (Report). ReliefWeb. Retrieved 2013-07-14.
  34. 1 2 3 United Nations Country Team in Madagascar (2013-03-15). Madagascar: Tropical Cyclone Haruna Situation Report No. 5, 15 March 2013 (Report). ReliefWeb. Retrieved 2013-07-17.
  35. ↑ CARE (2013-02-28). Madagascar Cyclone: CARE distributes plastic sheets and emergency supplies (Report). ReliefWeb. Retrieved 2013-07-15.
  36. ↑ United Nations Country Team in Madagascar (2013-02-26). Tropical Cyclone Haruna Report No. 3 (as of 26 Feb 2013) (Report). ReliefWeb. Retrieved 2013-07-15.
  37. ↑ United Nations Country Team in Madagascar (2013-02-23). Tropical Cyclone Haruna Report No. 2 (as of 23 Feb 2013) (Report). ReliefWeb.
  38. 1 2 3 4 Integrated Regional Information Networks (2013-02-25). Tropical Cyclone Haruna hits southwestern Madagascar (Report). ReliefWeb. Retrieved 2013-07-14.
  39. ↑ World Food Programme (2013-04-30). Evaluation des impacts du cyclone Haruna sur les moyens de subsistance, et sur la securité alimentaire et la vulnerabilité des populations affectées, Avril 2013 (Report) (in French). ReliefWeb. Retrieved 2013-07-17.
  40. 1 2 International Federation of Red Cross and Red Crescent Societies (2013-02-28). Volunteers respond to storms and floods in Madagascar (Report). ReliefWeb. Retrieved 2013-07-15.
  41. ↑ Integrated Regional Information Networks (2013-04-08). "Consecutive catastrophes hit Madagascar's farmers". ReliefWeb. Retrieved 2013-07-17.
  42. ↑ "Former Malagasy First Lady urges unity in fight against locusts". Africa Review. 2013-07-02. Retrieved 2013-07-17.
  43. ↑ "Madagascar's hungry eat grasshoppers after deadly cyclone". ReliefWeb. Agence France-Presse. 2013-03-20. Retrieved 2013-07-17.
  44. ↑ United Nations Country Team in Madagascar (2013-03-07). Tropical Cyclone Haruna Situation Report No. 4, 7 March 2013 (Report). ReliefWeb. Retrieved 2013-07-17.
  45. 1 2 United Nations Office for the Coordination of Humanitarian Affairs (2013-04-01). Southern Africa Weekly Report (26 March to 1 April 2013) (Report). ReliefWeb. Retrieved 2013-07-17.
  46. ↑ Handicap International (2013-02-28). More than 500 people case-managed by Handicap International (Report). ReliefWeb. Retrieved 2013-07-17.
  47. ↑ Action Contre la Faim. Cyclone Haruna Devastates Madagascar (Report). ReliefWeb. Retrieved 2013-07-17.
  48. ↑ European Commission Humanitarian Aid department (2013-03-01). Immediate humanitarian aid of €200 000 allocated for Madagascar's cyclone victims (Report). ReliefWeb. Retrieved 2013-07-17.
  49. ↑ Emirates News Agency (2013-03-09). RCA to deliver 80 tonnes of food and medical aid to cyclone-hit victims in Madagascar (Report). Reliefweb. Retrieved 2013-07-17.
Tropical Cyclone Haruna
Haruna Feb 21 2013 0735Z.jpg
Tropical Cyclone Haruna near peak intensity on February 21
2012-2013 South-West Indian Ocean cyclone season summary.png
ITC
Anais
DI
02
STS
Boldwin
ITC
Claudia
TC
Dumile
MTS
Emang
ITC
Felleng
TC
Gino
TC
Haruna
TC
Imelda
MTS
Jamala
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