Just one Irish winter’s day weather forecast

Extremely windy or stormy in places today especially early this morning with gale force southwest to west winds and severe gusts of 100 to 140km/hr at times—– strongest in exposed parts of the north and northwest early today. Heavy rain in eastern and southern areas will clear before dawn and the day will be bright…

Lewis Pugh

Introducing a precise open water swimming temperature scale

Next year’s Cork Distance Week will have a record number of attendees, many from outside Ireland. Some will be coming nervous or terrified about the potential temperatures especially if they heard any of 2011’s details. They need a scale of reference for that fear and we need a common terminology! Steve Munatones on Daily News…

960hPA

Pressure (synoptic) weather charts explored

Following on from the discussion on hectopascals and atmospheric pressure: Let’s use the same chart again. This time you know what the numbers mean, various high and low pressure areas. But there are different kinds of lines to be seen also. In this chart we are concerned with five types light black line with numbers…

960hPA

“What does 965hPA mean?”

Courtesy of another search that brings people here, and following Hurricane Katya last week and the synoptic chart that I linked for it. So we’ve started with that same synoptic chart again. In this chart we have a low pressure area, Hurricane Katya, north west of Ireland, in sea area Rockall, right in the centre at…

Thanks Google, for fixing my storm videos

Google added Video Stabilization to YouTube, a boon for crap video takers, mobile phones and video shot without benefit of a tripod (all apply to me), (and a frightening indication of just how much CPU processing power they have available). I stabilized both the Shakespeare Beach Storm Force 10 videos and they are much improved. They…

Why Weather Prediciton will NEVER be perfect…

“The problem with weather forecasting is it’s right too often to ignore it, and wrong too often to rely on it” – Patrick Young So given our understanding of the principal influencing factors, why isn’t prediction better than it is? It’s best explained by the much-abused and overused statement about the butterfly flapping it’s wings…

Weather and Climate, Part 3

Part 2. Almost done. Obviously meteorology is a far more complex subject than the thumbnail I’m giving again. I’m just covering some of the major influencing factors for Ireland and the North East Atlantic. So last time we saw some of the prevailing winds ran opposite those across Ireland. To explain these difference we need…

Weather and Climate, Part 2

I finished Part 1 with the Coriolis effect. I said last time that the warmer air at the equator flows toward the poles. The Coriolis Effect impacts this to cause the major weather patterns. Since the world is a sphere, the surface of the earth at the equator is moving much faster than the surface…

Weather and Climate, Part 1

“Climate is what we expect, weather is what we get” – Mark Twain So I’ve written about the Shipping News and the databuoys and waves and wind etc. I thought I might do some more on the weather subject and move up to a bigger scale, particularly as it affects Ireland and the North Atlantic.…

Know before you go

So let’s say like most of us, you don’t live close enough to the sea to able to look out your living room window before deciding whether to swim. But you want to know what the conditions at the coast are. The easy solution is the use the Irish Marine Buoys. The map shows their…