Libya and Brazil experience rare floods! China provides meteorological monitoring support

Release time:Apr 16, 2024 21:07 PM

On September 10th local time, Typhoon Daniel hit eastern Libya, causing severe flooding and resulting in a large number of casualties and property damage. According to Libyan officials on the 12th, the number of victims in the flood disaster in eastern Libya reached 5300.

Hurricane Daniel caused significant casualties and property damage in Libya. The true color image of Fengyun-3D satellite and the sea surface wind speed product of Fengyun-3E satellite show that Hurricane Daniel began to affect Libya on the 10th, with sea surface wind speeds exceeding 15 meters per second in the northeast; On the 11th, the enhanced infrared image of Fengyun-2H satellite showed that storm Daniel moved eastward at a fast speed, with the lowest infrared brightness temperature reaching -50 ℃, indicating strong convective development.


Libya and Brazil experience rare floods! China provides meteorological monitoring support

True color composite image of Fengyun-3D satellite on September 10th

Product image of sea surface wind speed on Fengyun-3 E-star on September 10th


Libya and Brazil experience rare floods! China provides meteorological monitoring support

According to the official website of the World Meteorological Organization, storm "Daniel" reached its peak in northeastern Libya on September 10, local time, with strong winds of 70 to 80 kilometers per hour, leading to communication interruption, power transmission tower collapse, and tree destruction. The 150 to 240 mm rainstorm led to flash floods in several cities, of which the daily precipitation in Beida was up to 414.1 mm.

In view of the cause of heavy rainfall caused by storm "Daniel", Niu Ruoyun, the chief forecaster of the Central Meteorological Observatory, said that storm "Daniel" has been in the middle and east of the Mediterranean for a long time, constantly absorbing ocean moisture, bringing extreme heavy rainfall to countries near the Mediterranean, such as Libya, Greece, Türkiye, and causing floods. Among them, the city of Delna, located in the northeast region of Libya, was the hardest hit. It is situated at the mouth of the Delna River and has historically been affected by seasonal floods of the river. On the evening of the 10th, due to the impact of storm Daniel, two dams in the upper reaches of the Delna River burst, and surging floodwaters poured into the city of Delna, flooding the vast majority of the city.


Libya and Brazil experience rare floods! China provides meteorological monitoring support

On the 13th, the United Nations Institute for Training and Research launched the CHARTER mechanism in response to the flooding disaster in Libya. The National Satellite Meteorological Center provides wind and cloud satellite data to Libya through the CHARTER mechanism, and continues to monitor flood disasters and their impacts, providing emergency support services for disaster prevention and reduction in Libya.

Brazil, located in South America, also experienced strong winds and heavy rainfall at the beginning of the month. On September 5th, the Governor of Rio Grande do Sul in southern Brazil, Eduardo Wright, stated that a tropical cyclone that began affecting the state on September 4th has caused at least 21 deaths, making it the deadliest weather event on record in the state.


Libya and Brazil experience rare floods! China provides meteorological monitoring support

According to the official website of the World Meteorological Organization, from September 1st to 5th, some regions of Brazil experienced a cumulative precipitation of 250 to 300 millimeters. On the 4th, the daily precipitation at local stations exceeded the highest recorded daily precipitation in September. Niu Ruoyun said that the precipitation this time is mainly affected by the combined effects of the westerly trough and cyclones, with the intersection and uplift of cold and warm air currents leading to heavy precipitation.

The National Satellite Meteorological Center monitors the development of disaster weather through Fengyun meteorological satellites and timely produces and releases the Global Satellite Remote Sensing Monitoring Service Special Report. On the 5th, the National Satellite Meteorological Center used the true color image of Fengyun-3D satellite and the global infrared enhanced image of geostationary satellites to monitor and display that due to the influence of temperate cyclones, the convective cloud system in southern Brazil is still developing, and the precipitation process is gradually spreading to central Brazil. The infrared brightness temperature is below -50 ℃, and precipitation will continue.


Libya and Brazil experience rare floods! China provides meteorological monitoring support

True color image of Fengyun-3D satellite on September 5th

On September 5th at 16:00, the Global Infrared Enhanced Image of the geostationary satellite was taken. On September 6th, the Brazilian National Center for Risk and Disaster Management launched the International Charter on Space and Major Disasters. The National Satellite Meteorological Center, through the CHARTER mechanism, actively provides the Brazilian meteorological department with Fengyun meteorological satellite data, and sends the monitoring results and product maps of Fengyun meteorological satellite to CENAD by email, and continues to pay attention to rainstorm and its impact, providing meteorological monitoring support for local disaster prevention and mitigation.


Libya and Brazil experience rare floods! China provides meteorological monitoring support

At 8:00 on September 6, the geostationary satellite global infrared enhanced image focused on the impact of storm "Daniel" and rainstorm in Brazil. The National Meteorological Center continued to pay attention to the relevant weather development, rolled out the foreign precipitation forecast and monitoring map in the daily global weather bulletin, and released the 10 day forecast of heavy to rainstorm in the eastern coastal areas of Libya three days in advance.

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