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Just how far south is the jet stream?

Looking through some data for January I thought this was an interesting chart. It shows the mean zonal wind anomaly at 30hPa (that's jet stream height at around 35,000ft). Zonal wind is the west-east flow around the hemisphere ('meridional' is the north-south flow). Now, take a look below. Hello and orange colours tell

Different Day, Same Rain

Another wet week ahead, and the chart below shows the GFS models' prediction on how much rain will fall by this coming Friday morning: As far as the patterns go, nothing has changed since last week. The wettest area is still northeast Scotland, where a near-constant stream of rain and snow

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