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GFS 850 hPa Geopotential Height Forecast Charts for the UK and Europe...


850hPa temperatures and MSLP 850hPa is approximately 1500m above sea level. This means there is no diurnal variation (day to night change due to the surface warming and then cooling) making it very useful to identify air masses. In winter 850hPa temperatures below -5C can often be cold enough for snow. At times it can be cold enough for snow even when 850hPa temperatures are only just below 0C. This usually only happens in the UK under an easterly or south easterly air stream. In the summer months temperatures at ground level are less dependent on the 850hPa air mass and more dependent on the stronger sun heating the ground. Thus in summer even if 850hPa temperatures aren't very high it can still be warm..

Latest Temperature and Pressure Chart for the UK and Europe...

Probable Temperature and Pressure Chart for the UK and Europe in 12 hours...

Probable Temperature and Pressure Chart for the UK and Europe in 24 hours...

Probable Temperature and Pressure Chart for the UK and Europe in 36 hours...

Probable Temperature and Pressure Chart for the UK and Europe in 48 hours...

Probable Temperature and Pressure Chart for the UK and Europe in 60 hours...

Probable Temperature and Pressure Chart for the UK and Europe in 72 hours...

Probable Temperature and Pressure Chart for the UK and Europe in 84 hours...

Probable Temperature and Pressure Chart for the UK and Europe in 96 hours...

Probable Temperature and Pressure Chart for the UK and Europe in 108 hours...

Probable Temperature and Pressure Chart for the UK and Europe in 120 hours...

Probable Temperature and Pressure Chart for the UK and Europe in 132 hours...

Probable Temperature and Pressure Chart for the UK and Europe in 144 hours...

Probable Temperature and Pressure Chart for the UK and Europe in 156 hours...

Probable Temperature and Pressure Chart for the UK and Europe in 168 hours...

Probable Temperature and Pressure Chart for the UK and Europe in 180 hours...

Probable Temperature and Pressure Chart for the UK and Europe in 192 hours...

Images are updated at regular intervals - courtesy of theweatheroutlook.com