Cyclone Clotilda
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Tropical Storm Clotilda was a destructive
tropical cyclone A tropical cyclone is a rapidly rotating storm system with a low-pressure area, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain and squalls. Depending on its locat ...
that inundated
Réunion Réunion (; ; ; known as before 1848) is an island in the Indian Ocean that is an overseas departments and regions of France, overseas department and region of France. Part of the Mascarene Islands, it is located approximately east of the isl ...
in February 1987. A tropical disturbance first formed between
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and Réunion on February 9 and slowly intensified thereafter. While meandering, the storm fluctuated in intensity before it reached its peak intensity on February 13, with winds of . After passing near Réunion, it began to weaken. On February 16, however, Clotilda began to regain strength, and reached its secondary peak on February 17. Two days later, Clotilda became an
extratropical cyclone Extratropical cyclones, sometimes called mid-latitude cyclones or wave cyclones, are low-pressure areas which, along with the anticyclones of high-pressure areas, drive the weather over much of the Earth. Extratropical cyclones are capable of p ...
. By February 22, Clotilda was no long being tracked by
meteorologists A meteorologist is a scientist who studies and works in the field of meteorology aiming to understand or predict Earth's atmosphere of Earth, atmospheric phenomena including the weather. Those who study meteorological phenomena are meteorologists ...
. While active, it brought torrential rains to the island of Réunion during a span of 72 hours. A total of of rain was recorded in La Plaine-des-Palmistes; rainfall totals occasionally exceeded the totals measured during Cyclone Hyacinthe, the last major storm to affect Réunion. However, the peak total measured in Hyacinthe was lower than the total measured during Clotilda. Furthermore, about 250 homes were damaged and roughly 120 homes were destroyed. Eighty-nine trees were also brought down during the storm. Throughout the island, damage totaled $2 million (1987 
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) and 10 people were killed. In addition to the destruction on Réunion, 5% of crops on
Mauritius Mauritius, officially the Republic of Mauritius, is an island country in the Indian Ocean, about off the southeastern coast of East Africa, east of Madagascar. It includes the main island (also called Mauritius), as well as Rodrigues, Ag ...
were impacted by the storm. During the aftermath of the cyclone, 1,000 people on Réunion were evacuated to shelters.


Meteorological history

The tropical disturbance that would later become Clotilda was first warned on by
Météo-France Météo-France is the official French meteorological administration, also offering services to Andorra and Monaco. It has the powers of the state and can exercise them in relation to meteorology. Météo-France is in charge of observing, study ...
's (MFR) meteorological office at Réunion at 0600 
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on February 9. At this time, it was located about from Réunion. Initially moving south, the storm maintained its intensity for 24 hours before it was upgraded into a moderate tropical storm, with winds of . However, the strengthening trend was short lived, and several hours later, MFR downgraded Clotilda into a tropical depression as it began to meander. At 0600 UTC on February 11, the
Joint Typhoon Warning Center The Joint Typhoon Warning Center (JTWC) is a joint United States Navy – United States Air Force command in Pearl Harbor, Hawaii. The JTWC is responsible for the issuing of tropical cyclone warnings in the North-West Pacific Ocean, South P ...
(JTWC) issued its first warning on the system. That day, Clotilda began to re-intensify and MFR upgraded Clotilda into a moderate tropical storm for the second time. At 1200 UTC that day, the JTWC reported that Clotilda developed gale-force winds. Data from both agencies suggest that the storm held on to its intensity for about a day before gradually intensifying while turning east, passing within Réunion. At 1800 UTC on February 12, the JTWC reported that Clotilda had reached its peak intensity of while MFR upgraded Clotilda into a severe tropical storm. The following day, MFR noted that Severe Tropical Storm Clotilda had reached its peak 10-minute sustained wind speed of while undergoing a small clockwise loop, passing about east of Mauritius. After peaking in intensity, Severe Tropical Storm Clotilda began to weaken; by February 13, the JTWC had reassessed the intensity of the system to . Moreover, MFR reduced to intensity of Clotilda to the next day. Now moving west and away from the island of Reunion, the storm continued to deteriorate, and early on February 15, the JTWC downgraded the system into a tropical depression while centered west-southwest of Mauritius. Very early on February 16, the JTWC dropped advisories on the system even though MFR was still reporting winds of . Thereafter, Clotilda turned west and began to reintensify. Late on February 17, the cyclone reached its secondary peak of while located south-southeast of Réunion. Accelerating, the storm transitioned into an extratropical cyclone on February 19 while turning south and later southeast. At 0000 UTC on February 22, MFR at last stopped monitoring the system.


Impact and aftermath

Clotilda affected Mauritius on February 13 and 14, with winds of up to , heavy rain and high seas. This resulted in several homes being flooded and about 5% of the island's sugar crop being damaged. Due to the storm's slow motion, Cyclone Clotilda brought torrential rains to the island of Réunion during a span of three days. of rain was recorded in La Plaine-des-Palmistes, compared to the of rain measured at that same location during Cyclone Hyacinthe, the last major storm to affect the region. However, this total was significantly less than the peak total of recorded at Commerson during Hyacinthe. Throughout the island, rainfall totals usually exceeded the totals measured during Hyacinthe. Major flooding was reported, damaging many roads, and 89 trees fell during the storm. A total 250 dwellings were damaged and nearly 120 others were completely destroyed, with several completely destroyed. This left around 4,000 people homeless. The north side of the island as well as the capital city of Saint Denis took the brunt of the cyclone; wind gusts of were measured there. In all, damage from the storm totaled $2 million (1987 USD). A total of 40,000 people were affected by the storm. Clotilda killed 10 people on the island. Following the storm on Réunion, "tens of millions of francs" were needed to repair damaged roads. Furthermore, 1,000 people moved to
emergency shelter An emergency shelter is a place for people to live temporarily when they cannot live in their previous residence, similar to homeless shelters. The main difference is that an emergency shelter typically specializes in people fleeing a specific ...
s. On February 18, 250,000 
Euro The euro (currency symbol, symbol: euro sign, €; ISO 4217, currency code: EUR) is the official currency of 20 of the Member state of the European Union, member states of the European Union. This group of states is officially known as the ...
s were granted to nation to cope with the aftermath of Clotilda. According to one account, it took five days for most food items to be restored to the island.


Notes


See also

* Tropical cyclones in the Mascarene Islands * Cyclone Hyacinthe *
Cyclone Dina Intense Tropical Cyclone Dina was a cyclone that caused record flooding across parts of Réunion. Originating from a tropical disturbance on 15 January 2002 near the Chagos Archipelago, the precursor to Dina quickly developed within a region fa ...


References

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