What is Thundersnow and where did it strike in Scotland last night?

Edinburgh received a rude awakening in the early hours of this morning, after what many claim was a rare case of “thundersnow”. [View email online]( [Subscribe]( [Facebook]( [Twitter]( [The Scotsman] Dec 4, 2020 Good morning, We've made it to Friday. Wrap up warm before reading today's newsletter as snow dominates this morning's headlines. Today is the LAST DAY of our Black Friday deal where we're offering 30% off all new digital subscriptions. If you value what we do and are able to support us, it's just £2.10 per month for the first two months under our current deal. [Try us out today.]( Why are people talking about Thundersnow? If you've been on social media this morning you have seen friends in the east of Scotland complaining about an 'explosion' last night. A rare combination of wintry conditions caused 'thundersnow' to crash above the heads of Scots in the wee hours of this morning. Police Scotland Control Rooms tweeted at around 5am on Friday: “We have received a number of calls regarding people concerned about explosions heard." [We examined what exactly is thundersnow, and what causes it here.]( Scotland's Weather LIVE There is a lot of disruption on Scotland's trunk road network this morning. Heavy snow is also affecting ScotRail services until at least 10am and the Queensferry Crossing was closed. [Keep up-to-date with the latest traffic news on our live travel blog here.]( Hour by hour forecast for Friday Yellow warnings have been re-issued for the third day as more parts of the country face fierce weather. The Met Office said snow would fall in more areas of Scotland today. 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