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| Isn't it just swell? Atlantic ex-Hurricanes bring prospect of surf By Simon Keeling. | |
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| Tweet Topic Started: 7 Aug 2014, 08:33 PM (29 Views) | |
| Audi-Tek | 7 Aug 2014, 08:33 PM Post #1 |
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Isn't it just swell? Atlantic ex-Hurricanes bring prospect of surf Rising excitement as the remnants of Hurricane Bertha bring a reasonable swell across the Atlantic. it's nothing exceptional, but is good compared to recent events. Take a look here to watch the swell move across the Atlantic, reaching UK coasts on Saturday. Link ............. http://www.weatherweb.net/wxwebchartsnww3opnatlsigwave.php Source ................. http://www.weatherweb.net/ |
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| Audi-Tek | 7 Aug 2014, 08:35 PM Post #2 |
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Bertha on the way Comparison with an historic August storm By Garry Nicholson in Darley Dale, Derbys 18:00hrs 07/08/2014 Models remain undecided about the exact final track of ex-hurricane Bertha as it moves across the Atlantic toward the British Isles. However, most models agree that we are going to see a very unseasonal spell of strong winds and rain by Sunday, as a deep area of low pressure crosses the UK. Some of the graphics used to plot the track of the storm may appear misleading, showing a single line to represent the centre of the low pressure. It must be remembered that compared to a ‘proper’ hurricane, which features a zone of intense winds around an eye-wall, this extra-tropical, mid-latitude area of low pressure will feature potentially troublesome winds over a much broader area than just the centre. Also of concern are the high seas (see Simon’s musing earlier today too). A large swell will accompany Bertha, and will produce pounding surf around western and southern coasts. Strong winds are forecast to continue into the new week too, and combined with high spring tides, will raise concerns for localised coastal flooding in the days ahead. The early warning of this storm is a tribute to the modern world of computer modelling. At this time of peak summer, when there will be many people planning sailing and coastal events, it is easy to take the forecasts for granted. We do not have to look that far back into history for the fatal consequences of a lack of warning. The infamous ‘Fastnet Storm’ of August 1979 was a deep area of low pressure (around 980mb), which claimed the lives of 18 sailors and rescuers taking part in the Fastnet yacht race from Cowes to Plymouth, via Fastnet Rock to the south of Ireland. Only around 85 of the 300 yachts completed the race. The shipping forecasts had warned of gales, but the storm developed quickly as a strong secondary low to the south of a main area of low pressure near Iceland. Wind speeds were thought to have reached force 10 or 11 in the race area. ![]() Source .................. http://www.weatherweb.net/ |
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9:56 AM Jul 11