
Northeasterlies bring lower temps and air pollution
Brace yourselves, Northern Taiwan. A chilly weekend is in store as northeasterly winds pick up strength. In Miaoli County, temperatures dropped to a bracing 12.8 degrees Friday morning. This cold wave is coupled with strong winds, and it’s set to last until Sunday. Pollution from China will also be with us this weekend, as the northeasterlies sweep in air from across the strait.
The northeasterly winds are picking up strength, bringing down temps in Northern Taiwan. The lowest temperature in the country was recorded Friday morning in Miaoli, at just 12.8 degrees. Warm coats and scarves were the order of the day.
Brace for brief downpours in windward parts of Greater Taipei, Yilan, Hualien and Taoyuan’s mountains. On Friday, heavy winds destroyed hairdos and threatened to turn umbrellas inside out. The Central Weather Administration issued a strong wind advisory for the area from Taoyuan’s coast to Yunlin, and for the Hengchun Peninsula, which could see gusts could of up to 102 kilometers per hour. The northeasterly winds are carrying pollution from China. In Northern Taiwan and the outlying islands, the air quality alert flashed red for “hazardous.” Central Taiwan, Yunlin, Chiayi, Tainan, Kaohsiung, and Pingtung saw an orange alert, meaning that the air was unhealthy for sensitive groups.
Hsu Chung-yi
CWA forecaster
The cloud colors in areas affected by the northeasterly winds are clearly different from the cloud colors to the south and to the north. They are less opaque, which indicates air pollutants. As the northeasterly winds pick up strength, pollution is being blown into Taiwan. Today, it’s mostly affecting the western half of the island.
This wave of northeasterlies will bring wet weather mainly to windward areas. By Sunday, the rains will taper off and temperatures will briefly rise. On Monday, the northeasterly winds will return, bringing in cold and dry weather. The impact will be more intense than the current wave, with lows expected to reach 14 or 15 degrees islandwide. Radiative cooling could make certain areas even colder in the early mornings.
Hsu Chung-yi
CWA forecaster
Starting Monday evening, we’ll see the next wave of northeasterly winds pick up strength. They’ll have an impact over a longer period of time, all the way until Thursday or Friday. That means there will be big day-night temperature swings all over Taiwan, and we may see radiative cooling in the early hours of the morning. Over in central and southern Taiwan, the change won’t be as significant, although we will see bigger day-night temperature swings. Mornings and nights will be cool, and temperatures will climb back up during the day.
Cold weather is expected from next Monday to Saturday. So if you’re heading outdoors, be sure to dress accordingly.
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2023-11-24