Outlook for the next four weeks using the JMA.

Outlook for the next four weeks using the JMA.

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This is the outlook for the next four weeks using the JMA from the Japanese Met Agency. It is not a forecast but a general outlook taking us into the first few days of June. I have taken 3 images rotated them and added a red line so you can see the UK. Blue colours are low pressure below normal heights and oranges and reds high pressure above normal heights.

Week 1 from the 4th to 10th May. 

High pressure is over the UK with the centre of the high pressure over Scandinavia. Low pressure is to the South of the UK. This will bring some very warm temperatures but moist, warm air will move up from the South bringing out breaks of heavy showers with a risk of thunderstorms developing.

Week 3 from 11th 17th May.

A weak ridge looks like it will be in place over the UK. This looks like a cooler period than of late with temperatures between 12-16 c but overall mainly dry with some showery days.

Week 4 18th to 3rd June.

High pressure to the South of the UK with Low pressure well to the West and East of the UK will bring slack conditions with temperatures averaging around mid teens with some showery days but overall fairly dry. Remember this is a two week period.

Conclusion is we are in the highest temperature period of the month and there is no sign of any prolonged, settled spell of weather.

JMA  4th May to 3rd June