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Climate Statement for June 2019

A cool month overall, warmer finish
The first three weeks of June were dominated by a blocking high-pressure system over Greenland and a downstream trough over Ireland and the UK. This introduced cool and unsettled weather with low pressure close to or over the country for much of the time, bringing bands of rain or showers in a cyclonic flow. The heaviest falls of frontal rain during the first three week period were on the 4th and 5th. The showers were heavy and thundery at times, especially on the 9th and 10th, and again on the 15th and 16th. The beginning of the fourth week brought a short-lived area of high pressure over the country with mainly dry conditions for a few days. A low-pressure system to the Southwest of Ireland pushed active weather fronts up from the South on the 23rd, bringing heavy rain to all bar the far Northwest. This introduced a warmer air mass over the country with high pressure to the North, in an easterly airflow. A plume of very warm air advected from North Africa, through Spain and France and over Ireland on the 27th and 28th, resulting in the warmest period of the month. The month finished with a thundery breakdown on the 29th, followed by a cooler air mass pushing in from the West.

Full report <<here>>>

Published on 02/07/2019

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