Met Office Warns of Thundersnow in Yorkshire

The Met Office has issued warnings for a rare weather phenomenon known as thundersnow across parts of the United Kingdom, with the event potentially striking northern and eastern Yorkshire within hours as a cold Arctic front advances. The alerts, announced on Tuesday, highlight risks of heavy snowfall accompanied by thunder and lightning, affecting multiple regions through Thursday.

Thundersnow occurs when turbulent atmospheric conditions produce cumulonimbus clouds that generate thunderstorms during subzero temperatures, leading to precipitation falling as snow rather than rain. Lightning in these events appears brighter due to reflection off snowflakes. Forecasters noted that such occurrences are uncommon, happening about 10 times annually worldwide, and are fueled by the current clash of Arctic air with unsettled weather patterns.

New forecast maps indicate the highest likelihood of thundersnow around North and East Yorkshire over the next 24 hours, where the cold front intersects with bands of instability. Similar risks extend to Northern Ireland, west Wales, southwest and eastern England, and northern Scotland. The Met Office has deployed an amber warning for snow on...