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Irish Mirror
Irish Mirror
National
Paul Moore

Met Eireann forecaster explains the Azores High and how long the heatwave will last

An area of high pressure called the Azores High which contains tropical warm air will continue to have a sweltering effect on Ireland's weather this weekend.

With temperatures expecting to reach 27 degrees, Met Eireann meteorologist Gerry Murphy has said that this period of high pressure and good weather "will be with us for the rest of this week, early next week and then possibly drifting away in the middle of the week."

While Wednesday and Thursday are set to be largely dry but cloudy, conditions will greatly improve around Ireland as we approach the weekend.

Speaking with RTE, he said: "The broader story is that we'll get very nice summer weather as we go through the weekend. In the short term though for today and tomorrow, while it will be largely dry, there will be that bit more cloud around in places at times.

"As we move through Friday, Saturday and especially Sunday, then we'll get good sunshine over the weekend and the temperatures climbing all the time. For today and tomorrow, while the temperatures were ranging between about 19 and 23 or 24 degrees, then we'd look to a 25 on Friday at 27, or 28 in places then as we go through Saturday and Sunday. Pleasant, warm weather in store for the weekend."

While the daytime will bring sunshine, heat and warm conditions, some people continue to struggle with the humidity of the nighttime as it impacts their sleep patterns.

Sadly, this trend is set to continue.

Murphy says: "Basically, the temperatures at night would range between about 13 and 16 degrees. So as you look through the weekend for Saturday and Sunday, those temperatures at a minimum are possibly 15 or 16 and that's at the end of the night. Over the weekend, the temperatures may still be 17 degrees at night.

"The caveat for the very warm weather is sometimes you can have uncomfortable conditions for some people at night."

As next week moves into its middle stages, there's a greater threat of some showers and cooler conditions, however, for the time being, the Azores High will dictate Ireland's immediate climate.

Murphy added: "We're going to be under the influence of what we call the Azores high, this is an area of high pressure which is usually located down to the south of us and contains tropical warm air.

"Once that pushes up over us, it means that this warm air settles over Ireland and with the high pressure, the air moves very slowly, so the warm air stays over ourselves. The active weather system stays out and day by day - as the high pressure sits over - it gets warmer and warmer. That high pressure will be with us for the rest of this week, early next week and then possibly drifting away then in the middle of the week."

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