Visitors to Yushan (玉山) yesterday had their first peek of snow on the mountain this year with the arrival of a cold front this week, the Central Weather Bureau said yesterday.
Bureau forecaster Douglas Hsiao (蕭家森) said 3cm of snow fell from 11:05am to 2:15pm.
“The temperature on the mountain rebounded a little,” Hsiao said. “The humidity was high, so we could see more snow.”
Statistics from the bureau showed that the temperature in Tamsui (淡水), New Taipei City (新北市), dropped to 9.3°C, the lowest temperature recorded yesterday.
Forecast center director Cheng Ming-dean (鄭明典) referred to a “cold-air outbreak” to describe the weather on his Facebook page on Wednesday, with high chances of snow on Yangmingshan (陽明山) and several other mountains in the northern part of the country.
As of yesterday morning, no snow had fallen on Yangmingshan, Taipingshan (太平山) or Datunshan (大屯山).
Cheng said the cold-air outbreak referred to a situation when the temperature drops by more than 10°C within 24 hours, and where the temperature remains below 10°C.
The weather in Taipei met that definition, he said.
The temperature in the city on Tuesday morning was 19.1°C, but plummeted to about 10°C on Wednesday morning.
Temperatures dipped further to 9.3°C on Wednesday afternoon, he said.
The bureau said daytime temperatures were expected to rise today. Chances of rain remained high in northern, central and eastern regions as well as mountainous areas in the south.
Visitors to mountains at altitudes above 3,000m above sea level will still be able to see snow today because the temperature remains low and humidity remains high, the bureau said.
Temperatures are forecast to rise further from tomorrow until Tuesday, with lows rising to 14°C and highs climbing to 20°C.
Rain in the north is expected to gradually ease during the same period.
Chances of rain will be high again in northern and northeastern Taiwan from Wednesday, with gradual drops in temperature expected.