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uk.sci.weather (UK Weather) (uk.sci.weather) For the discussion of daily weather events, chiefly affecting the UK and adjacent parts of Europe, both past and predicted. The discussion is open to all, but contributions on a practical scientific level are encouraged. |
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#11
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On 5 Oct 2009 06:15:29 GMT, "Norman" wrote:
A small low west of Spain/Potugal has a very distinct eye and looks suspiciously like a small tropical storm. Clearly seen on the satellite loop at http://wind.met.fu-berlin.de/cgi-bin...&intervall=30& refresh=10&playmode=Endlos Watch out for the line-wrap on the above. Norman It is also good on this animation catch it beofre it has gone http://www.yr.no/satellitt/1.5941760 Andy |
#12
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Norman wrote:
A small low west of Spain/Potugal has a very distinct eye and looks suspiciously like a small tropical storm. Clearly seen on the satellite loop at http://wind.met.fu-berlin.de/cgi-bin...&intervall=30& refresh=10&playmode=Endlos Watch out for the line-wrap on the above. Norman Although Grace has been swallowed up by the front the circulation of this small TS is still very discernable on Bernard Burton's and the Meteox satpic pages at 0900BST this morning - and it looks like this feature is going to cross the UK. Les |
#13
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"Les Crossan" wrote ...
Although Grace has been swallowed up by the front the circulation of this small TS is still very discernable on Bernard Burton's and the Meteox satpic pages at 0900BST this morning - and it looks like this feature is going to cross the UK. .... indeed! At the very least, it must be enhancing the humidity environment within its circulation - so rainfall totals are going to be pepped up as it comes east; a possible source of cyclonicity (if you look very closely at the last few frames, an 'eye' of sorts is reforming): it'll need watching until it is well out of the way! Martin. -- Martin Rowley West Moors, East Dorset (UK): 17m (56ft) amsl Lat: 50.82N Long: 01.88W NGR: SU 082 023 |
#14
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![]() "Martin Rowley" wrote in message news ![]() "Les Crossan" wrote ... Although Grace has been swallowed up by the front the circulation of this small TS is still very discernable on Bernard Burton's and the Meteox satpic pages at 0900BST this morning - and it looks like this feature is going to cross the UK. ... indeed! At the very least, it must be enhancing the humidity environment within its circulation - so rainfall totals are going to be pepped up as it comes east; a possible source of cyclonicity (if you look very closely at the last few frames, an 'eye' of sorts is reforming): it'll need watching until it is well out of the way! Martin. We've already received around 17mm in the last 24 hours, 7 of which have fallen in the last 2. I hope this tropical feature has the 'grace' to pass us by because the ground is not soaking up the rain very well. Local flooding/running rivulets look more like the result of a 30mm fall than 17. Nigel (Romsey, Hampshire) -- Martin Rowley West Moors, East Dorset (UK): 17m (56ft) amsl Lat: 50.82N Long: 01.88W NGR: SU 082 023 |
#15
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Les Crossan wrote:
Although Grace has been swallowed up by the front the circulation of this small TS is still very discernable on Bernard Burton's and the Meteox satpic pages at 0900BST this morning - and it looks like this feature is going to cross the UK. Circulation still showing over SW Ireland on Meteox at 1400Z - http://www.sat24.com/. -- Graham P Davis, Bracknell, Berks., UK. E-mail: newsman not newsboy "I wear the cheese. It does not wear me." |
#16
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On Tue, 6 Oct 2009, Graham P Davis wrote
Les Crossan wrote: Although Grace has been swallowed up by the front the circulation of this small TS is still very discernable on Bernard Burton's and the Meteox satpic pages at 0900BST this morning - and it looks like this feature is going to cross the UK. Circulation still showing over SW Ireland on Meteox at 1400Z - http://www.sat24.com/. Has Grace something to do with the umcommonly high temperature this afternoon in SE London? My weather station sensor high was 19C at 16:00 today, and the car sensor out on the street was reading 21C just now. Humidity about 90, altogether rather horrible. -- Kate B PS 'elvira' is spamtrapped - please reply to 'elviraspam' at cockaigne dot org dot uk if you want to reply personally |
#17
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Looks like ex Grcae is SE of Ireland now. Eye is visible even on radar.
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#18
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"Kate Brown" wrote ...
Has Grace something to do with the umcommonly high temperature this afternoon in SE London? My weather station sensor high was 19C at 16:00 today, and the car sensor out on the street was reading 21C just now. Humidity about 90, altogether rather horrible. .... Looking back at the various archive analyses (EXO & DWD), it looks as if the origin of the air that you (and we here in Dorset) are experiencing is somewhere in the Madeira area, or even possibly the Canaries, but I haven't done a proper back-track on that - certainly from somewhere south of 35 degN. 'Grace' as such isn't actually within that air mass, so it's not that *particular* air that is impacting us, BUT, as Will mentioned yesterday, it has got caught up 'in the mix' synoptically and might have been a factor in keeping the synoptic-scale flow in a SSWly fashion; as I read it (but others will want to come in I fancy), 'Grace' has 'broadened-out' the main vortex north of the Azores region, so that we have the aforementioned SSW/long-fetch flow, rather than a more classical (but still mild/Tropical Maritime) SW or WSW flow. It's important (the distinction between SSW & SW or WSW), because as has been pointed out through the summer/early autumn, SSTs are above-average (roughly +0.5 to +1.0C 71-00) looking back towards Madeira, rather than +0.5 or less back to the Azores. Oceanic heat storage at work! Martin. -- Martin Rowley West Moors, East Dorset (UK): 17m (56ft) amsl Lat: 50.82N Long: 01.88W NGR: SU 082 023 |
#19
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.... amazing wee beastie! At 1800Z, according to XC-Weather, the
Marathon oil platform (north Fastnet / west Celtic Sea) is reporting a full gale ... 36 knots, G41 from the NE. Martin. -- Martin Rowley West Moors, East Dorset (UK): 17m (56ft) amsl Lat: 50.82N Long: 01.88W NGR: SU 082 023 |
#20
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On 6 Oct, 20:08, "Martin Rowley"
wrote: ... amazing wee beastie! At 1800Z, according to XC-Weather, the Marathon oil platform (north Fastnet / west Celtic Sea) is reporting a full gale ... 36 knots, G41 from the NE. Martin. -- Martin Rowley West Moors, East Dorset (UK): 17m (56ft) amsl Lat: 50.82N * Long: 01.88W NGR: SU 082 023 It's been a very windy evening on the tip of Cornwall. Mean speed at Sevenstones 34knots at 18:00, 33 knots at 20:00. (SSW) . Force 7 on Scilly, Force 6 in west Cornwall, but very gusty. Graham Penzance |
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