Friday 22 July 2011

Weather for the 23rd and 24th of July

Good morning everyone, lets take a look at the weather for this weekend.

Saturday - Sea level pressure will be around 1013mb - winds from 0 - 4000ft amsl will be from the north east ranging from 10 - 15kts, above 4000ft amsl winds will be 20kts + Surface temp will be around 19dc by peak heating. visibiity will be around 20km cloud base will start out around 2500ft amsl and push up to 3500ft during the day where spread out is expected due to high level moist air being blown in from the north Irish sea.

Sunday - Sea level pressure will be around 1010mb - winds from 0 - 4000ft amsl will be from the north east again at around 10 - 15kts increasing above 4000ft to 25kts Surface temp will be around 21dc by peak heating, visibility will be in excess of 20km, cloud base will be starting out around 2500ft pushing up to nearly 6000ft amsl by the end of the day, early high level overcast expected to burn off leading to rapidly improving conditions.

RASP has scored Saturday as a 2 out of 5 and Sunday is scored as a 4 out of 5
The one major uncertainty with this forecast is the amount of moisture being carried in from the north irish sea, different models are not really in agreement yet as to the extent of the cloud cover over the forecast period.

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