21 Dec 2021 | 02:47 PM UTC
Chile: Adverse weather forecast across parts of the country through at least Dec. 25
Severe weather forecast across parts of Chile through at least Dec. 25. Transport, business, and utility disruptions possible.
Event
Thunderstorms, heavy rainfall, strong winds, and high temperatures are forecast across many parts of Chile through at least Dec. 25. As of early Dec. 21, the Meteorological Directorate of Chile has issued the following weather warnings:
Orange rainfall warnings (the middle tier on a three-tier scale): mountainous areas of Antofagasta and Tarapaca regions.
Orange high temperature warnings: valleys and lower mountainous areas of Maule and Nuble regions.
Yellow rainfall warning: mountainous areas of Arica-Parinacota Region.
Yellow thunderstorm warnings: mountainous areas of Antofagasta, Arica-Parinacota, and Taracapa regions, as well as parts of northern Atacama Region and lower mountainous and salt flat areas of Antofagasta Region.
Yellow wind warning: the southern Patagonian lowlands of Magallanes Region.
Yellow high temperature warnings: valleys and lower mountainous regions of Biobio, La Araucania, Maule, Metropolitan, Nuble, O'Higgins, and Valparaiso regions.
Authorities will likely issue new alerts or update/rescind existing advisories as weather conditions change over the coming days.
Hazardous Conditions
Sustained heavy rainfall could trigger flooding in low-lying communities near rivers, streams, and creeks. Urban flooding is also possible in developed areas with easily overwhelmed stormwater drainage systems. Sites located downstream from large reservoirs or rivers may be subject to flash flooding after relatively short periods of intense rainfall. Landslides are possible in hilly or mountainous areas, especially where the soil has become saturated by heavy rainfall. Disruptions to electricity and telecommunications services are possible where significant flooding or landslides impact utility networks.
Transport
The severe weather will likely contribute to transport disruptions throughout the region. Traffic and commercial trucking delays might occur along regional highways. Flooding downpours could inundate some low-lying roads in areas with poor drainage. Strong winds might also pose a hazard to high-profile vehicles. Hazardous weather conditions might cause flight delays and cancellations at regional airports.
Advice
Monitor local media for weather updates and related advisories. Confirm all transport reservations and business appointments before travel. Make allowances for localized travel delays and potential supply chain disruptions where flooding has been forecast. Do not drive on flooded roads. Charge battery-powered devices in the case of prolonged electricity outages.
