Winter 2019/20 | Moans, Ramps & Chat in Weather Discussion - Winter Posted December 13, 2019 1 hour ago, prolongedSnowLover said: It's like chasing rainbows or waterfalls. Might need to stick to the river streams and lakes for now until some concensus towards proper cold (below -5c average 850s) appears inside t120.?♂️ My thoughts exactly....charts seem to be all over the place with no 'real' sign of any decent low 850's heading our way...but with this in mind, what instances have we had where by the charts have suddenly flipped and unexpected proper cold has landed on our shores ??...does this actually happen...can anyone remember such a situation ??