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[1]: 27 Because all of Vietnam lies between the southern and northern limit of the polar front, Vietnam's climate are both influenced by polar air and tropical air (from the tropical convergent zone). [1]: 27 In Vietnam, the monsoon circulation is a combination of both the South Asian and Northeast Asian monsoon systems.
Weather modification can also have the goal of preventing damaging weather, such as hail or hurricanes, from occurring; or of provoking damaging weather against an enemy, as a tactic of military or economic warfare like Operation Popeye, where clouds were seeded to prolong the monsoon in Vietnam. Weather modification in warfare has been banned ...
It belongs to Vietnam Meteorological and Hydrological Administration (VMHA) under the Ministry of Natural Resources and Environment with authority to issue forecasting/warning information for weather, climate, hydrology, water resource, marine weather (i.e. hydro-meteorology) and provide hydro-meteorology services. [1]
Vietnam is a southeast Asian country, and is the easternmost country of mainland Southeast Asia. It borders the South China Sea , hence, seeing the increased likeliness of tropical cyclones . Tropical cyclones in this area are considered to be part of the Northwest Pacific basin , and therefore, storms here are considered as typhoons .
Weather is the state of the atmosphere, describing for example the degree to which it is hot or cold, wet or dry, calm or stormy, clear or cloudy. [1] On Earth, most weather phenomena occur in the lowest layer of the planet's atmosphere, the troposphere, [2] [3] just below the stratosphere.
Operation Popeye (Project Controlled Weather Popeye / Motorpool / Intermediary-Compatriot) was a military cloud-seeding project carried out by the U.S. Air Force during the Vietnam War in 1967–1972.
The temperature remains fairly consistent, with cooler and drier conditions in the early dry season and warmer, more humid weather in the rainy season. Daytime temperatures range from 30-34°C during the wet season and can exceed 38°C in the dry season, with nighttime temperatures between 23-26°C. Annual rainfall averages 1800 to 2200 mm.
Severe weather is one type of extreme weather, which includes unexpected, unusual, severe, or unseasonal weather and is by definition rare for that location or time of the year. [5] Due to the effects of climate change , the frequency and intensity of some of the extreme weather events are increasing, for example, heatwaves and droughts .