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Rai, named after an artifact called Rai stones, is the 22nd and final named tropical storm, the ninth typhoon, and the fifth super typhoon of the 2021 Pacific typhoon season. The system originated from a tropical disturbance near the equator on December 10, forming near the site of another low-pressure area that had dissipated on the previous ...
The 2021 Pacific typhoon season was the second consecutive season to have below average tropical cyclone activity, with twenty-two named storms, and was the least active since 2011. Nine became typhoons, and five of those intensified into super typhoons. This low activity was caused by a strong La Niña that had persisted from the previous year.
Typhoon Rai (2021) (T2122, 28W, Odette), a Category 5-equivalent super typhoon that caused severe and widespread damage in the Southern Philippines. Odette was retired from use in the Philippine area of responsibility following the 2021 Pacific typhoon season and will be replaced with Opong in 2025.
The ACE index for the 2021 Atlantic hurricane season, as calculated by Colorado State University using data from the NHC, was approximately 146 units. [14] The totals represent the sum of the squares for every (sub)tropical storm's intensity of over 39 mph (63 km/h), divided by 10,000.
Typhoon Rai (Odette) at its peak intensity while approaching the Philippines on December 16, 2021. January 19–20, 2021: an unnamed tropical depression affected much of Visayas and Northern Mindanao. Heavy rainfall from the system resulted in one death and agricultural damages of up to ₱642.5 million (US$13.2 million). [36]
The Philippines is a typhoon-prone country, with approximately twenty tropical cyclones entering its area of responsibility per year. Locally known generally as bagyo (), [3] typhoons regularly form in the Philippine Sea and less often, in the South China Sea, with the months of June to September being the most active, August being the month with the most activity.
Flooding in New York City caused by Hurricane Ida. The following is a list of weather events that occurred in 2021. The year began with La Niña conditions. There were several natural disasters around the world from various types of weather, including blizzards, cold waves, droughts, heat waves, tornadoes, and tropical cyclones.
December 16–18 – Typhoon Rai (Odette) makes landfall in the southern Philippines causing at least 407 deaths and ₱33.2 billion worth of damage to infrastructure and agriculture. [51] [52] [53] Pres. Duterte declares a state of calamity in six regions on December 21 as a response to the typhoon's impact. [54] [55] [56] [57]