Outlook from the JMA for the next four weeks.

Outlook from the JMA for the next four weeks.

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This is the outlook for the next four weeks using the JMA issued from the Japanese Met Agency. It is not meant to be a forecast but a general outlook.

I have added the three images together, rotated them and added a red line so you can see the position of the UK. Blue colours are low pressure areas and oranges high pressure areas.

Week 1.

5th January to 10th.

We have high pressure ridge to the East of the UK and a deep low pressure trough over the UK and to the West of the UK. I see us being on the cold side of the jet-stream. This will bring a coldish period with precipitation below average.

Week 2.

11th January to 17th.

This period see’s low pressure over the UK stretching into the North Atlantic with high pressure to the South of the UK stretching westward and high pressure over Europe and Scandinavia. This will bring westerly’s bringing unsettled weather with above average rainfall and temperatures one or two degrees higher than you would expect for mid January.

Week 3-4 

18th January  to 31st January.

High pressure looks like it will build over the North pole allowing a blocking to take place. Also there is a small low pressure system  to the East of the UK. Remember this is a two week period so some changes could take place. Again it looks like we will be on the cold side of the jet stream bringing temperatures around average or a little below average. It does look like we will see above average precipitation which some of this could be wintry.