Cornwall - Exceptional Open Sea SSTs

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Cornwall - Exceptional Open Sea SSTs

Postby Graham Easterling » 2014 Jul 25, 11:12

There is now an area of open sea (not close into beaches) to the west of Cornwall with an SST of >20C http://www.wetterzentrale.de/pics/Reursst.gif (The mid English Channel 'cold pool' very obvious at the moment.)

These temperatures are quite exceptional for July. The SST to the west of Cornwall exceeded 20C in 2005 & 2006, but that was in August. These must be near record temperatures for the time of year, aided by the mildness of last winter and the 300 hours of sun in the area during June. Currently 20.2C in St. Mary's Sound (Scilly) and 68.2f at Sevenstones to the WSW of Land's End.

Close in the temperature fluctuates widely from the open sea values, depending on whether the winds onshore (warmer - 23C 2ft below the surface just off Marazion beach on 24th) or offshore (markedly colder - >20C at Perranporth yesterday, 18C today with an offshore wind).

What a summer it's been down here so far http://www.sennen-cove.com/23july14.htm
Graham

Penzance Weather Station
Grid Ref:
SW464231 - Post Code: TR18 4TP
19m AMSL - Aspect SSE
In a SE - NW orientated valley

23 Years of Penzance Weather Records : http://penzanceweather.atspace.com/weather.html
Graham Easterling
 
Posts: 316
Joined: 2011 Nov 30, 20:29
Location: Penzance, Cornwall

Re: Cornwall - Exceptional Open Sea SSTs

Postby Nick Gardner » 2014 Jul 25, 19:09

Graham Easterling wrote:There is now an area of open sea (not close into beaches) to the west of Cornwall with an SST of >20C http://www.wetterzentrale.de/pics/Reursst.gif (The mid English Channel 'cold pool' very obvious at the moment.) These temperatures are quite exceptional for July. The SST to the west of Cornwall exceeded 20C in 2005 & 2006, but that was in August. These must be near record temperatures for the time of year, aided by the mildness of last winter and the 300 hours of sun in the area during June. Currently 20.2C in St. Mary's Sound (Scilly) and 68.2f at Sevenstones to the WSW of Land's End.


Aye Graham, the SSTs are 'refreshingly high' and people around here are commenting on it. Definitely no wetsuit required.

Offshore SST here in Lyme Bay reached 20.5°C this afternoon, just a tad down on 20.7°C for yesterday. We've got a beach BBQ tomorrow evening so I'll have a pre-nosh swim and take the SST along the shore, I suspect it will be well over 20C. I don't think the SSTs have been this warm since the lovely summer of 2005 or maybe even before that?

Another very warm day with tomorrow probably being the last warm and really humid one for a few days at least. SSTs may drop back a little, especially as the humidity will be lower and the nights will be cooler.
Near Newton Poppleford, Sidmouth - Devon
50:41N 3:17 W; 20 metres AMSL; Station Grade B-BAAA37
http://www.ottervalley.co.uk
Nick Gardner
 
Posts: 429
Joined: 2012 Jan 27, 17:25
Location: Rural riverside valley location near the village of Newton Poppleford and 2 km from the sea.


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