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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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![]() "Les Crossan" wrote in message . uk... The livecam is throwing up a box saying 'Please use Internet Explorer 5 or higher'! No I jolly well won't. Grr. (: Capture page is ok in FF. Firefox will run java / javascript can you fix it joe?? Les It's in beta stages ;-) In other words not had time to give it a look over, need a website first, all to be sorted this summer I hope with a little help. Joe PS Very muggy with Sc turning into Cu. |
#12
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![]() "Joe Hunt" wrote in message ... For those wanting a webcam from the East Midlands, I have turned mine on. Camera points N by the way. Joe |
#13
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Everyone -
The 12z gfs run is showing LI -7 CAPE = 2500 for the East Midlands tomorrow 18z with significant CAPE /LI from Southhampton to the Scottish Borders. I've never seen a chart like this for the UK before. Ooerr. http://wetterzentrale.de/pics/Rtavn3011.html Les Joe Hunt wrote: "Les Crossan" wrote in message . uk... -- Les Crossan, Wallsend, Tyne & Wear 54.95N 1.5W Home of the Wallsend StormCam and the Backup USW FAQ - www.uksevereweather.org.uk |
#14
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The HuntCam isn't showing much...
Les Joe Hunt wrote: "Les Crossan" wrote in message . uk... GFS 06z run is showing li=-6 and CAPE in thousands for the A38 corridor @12z tomorrow and li=-7 and CAPE in thousands for the A38 corridor @18z. Could be an interesting day for those who live in the East Midlands but even here in NE England CAPE is significant. Now watch it all go into damp squib mode @ 1159z tomorrow. I'm watching intently and readying myself for a chase down the a38 - as waghorn says mcs / multicell but not supercell but still a good chance of large hail, torrential rain, lots of lightning and tornadoes (: Les Waghorn wrote: For those wanting a webcam from the East Midlands, I have turned mine on. Location is in my signature. For a real-time view click - http://wymeswold.gotdns.com/ For a single image click - http://wymeswold.gotdns.com/Jpeg/CamImg.jpg NB You will need to accept a download from Orite for the streaming view. Joe -- Wymeswold, Leicestershire 78m asl http://www.streetmap.co.uk/newmap.sr...9990&ay=323625 -- Les Crossan, Wallsend, Tyne & Wear 54.95N 1.5W Home of the Wallsend StormCam and the Backup USW FAQ - www.uksevereweather.org.uk |
#15
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![]() "Les Crossan" wrote in message . uk... Everyone - The 12z gfs run is showing LI -7 CAPE = 2500 for the East Midlands tomorrow 18z with significant CAPE /LI from Southhampton to the Scottish Borders. I've never seen a chart like this for the UK before. Ooerr. http://wetterzentrale.de/pics/Rtavn3011.html Les Joe Hunt wrote: "Les Crossan" wrote in message . uk... -- Les Crossan, Wallsend, Tyne & Wear 54.95N 1.5W Home of the Wallsend StormCam and the Backup USW FAQ - www.uksevereweather.org.uk The GFS Cape calculations are highly unlikely to be correct. They are based on =highly fictictious= Dewpoint's of 23/24C tomorrow afternoon across England. Highly unlikely to come off. Therefore CAPE and L.I Calculations will be in error. TD of 18-19C (maybe 20) would be more realistic and extrapolating them would give more realistic CAPE values across England. Little in the way of upper forcing is present, but convergence is present across the Midlands and parts of N England tomorrow and a shortwave approaches the west. Potenital for -loaded gun- scenario tomorrow from SE Wales NE across Mids to Lincs. Temps of 30C TD of 19C releases large amounts of CAPE and some scattered severe storms are possible running NE from Forest of Dean to Lincs. Zone shifting east to North of London during the evening. Tops could easily reach the tropopause which no doubt would release moderate size hail. Regards Paul |
#16
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Yeah I know Paul but I can but dream. I'm still debating with swmbo
whether I should pay the A38 a visit tomorrow especially as i'm up to my eyes in server work here ): Cheers - Les PJB wrote: "Les Crossan" wrote in message . uk... Everyone - The 12z gfs run -- Les Crossan, Wallsend, Tyne & Wear 54.95N 1.5W Home of the Wallsend StormCam and the Backup USW FAQ - www.uksevereweather.org.uk |
#17
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![]() "PJB" The GFS Cape calculations are highly unlikely to be correct. They are based on =highly fictictious= Dewpoint's of 23/24C tomorrow afternoon across England. Highly unlikely to come off. Therefore CAPE and L.I Calculations will be in error. ......................... TD of 18-19C (maybe 20) would be more realistic and extrapolating them would give more realistic CAPE values across England. .................................................. ............................................ Paul How do you rate the NMM Paul?It's suggesting a much more realistic (IMO) ~750J/Kg tomorrow afternoon, -- regards, David add '17' to Waghorne to reply |
#18
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Hi David
The forecast soundings from the NMM are not great, but as a whole the CAPR /LI charts are slightly more "believable" !!! TRouble is the model is initialised using the GFS boundary data so make of that what you will !! Cheers Paul "Waghorn" wrote in message ... "PJB" The GFS Cape calculations are highly unlikely to be correct. They are based on =highly fictictious= Dewpoint's of 23/24C tomorrow afternoon across England. Highly unlikely to come off. Therefore CAPE and L.I Calculations will be in error. ......................... TD of 18-19C (maybe 20) would be more realistic and extrapolating them would give more realistic CAPE values across England. .................................................. ........................... .................. Paul How do you rate the NMM Paul?It's suggesting a much more realistic (IMO) ~750J/Kg tomorrow afternoon, -- regards, David add '17' to Waghorne to reply |
#19
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![]() "Waghorn" Situation now looking more interesting. Now for an objective view- http://www.estofex.org/cgi-bin/outlooks.cgi ATM I can't believe the cap won't break tomorrow afternoon sometime,and where it does the resulting convection must be deep and possibly severe.Lack of strong winds aloft might be a limiting factor. .. the 19Z WV from Cheshire- http://west-cheshire.ac.uk/weather/e2.asp is bewilderingly complex with multiple PV anomalies,short waves, west of the British Isles and W/SW of Biscay.Waves forming along the CF will make things...erm...very difficult / very interesting, -- regards, David add '17' to Waghorne to reply |
#20
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![]() "Waghorn" wrote in message ... "Waghorn" Situation now looking more interesting. Now for an objective view- http://www.estofex.org/cgi-bin/outlooks.cgi ATM I can't believe the cap won't break tomorrow afternoon sometime,and where it does the resulting convection must be deep and possibly severe.Lack of strong winds aloft might be a limiting factor. . the 19Z WV from Cheshire- http://west-cheshire.ac.uk/weather/e2.asp is bewilderingly complex with multiple PV anomalies,short waves, west of the British Isles and W/SW of Biscay.Waves forming along the CF will make things...erm...very difficult / very interesting, -- regards, David add '17' to Waghorne to reply Certainly potential for strong storms to develop. CAP looks quite strong on 00Z Herstmonceux Ascent (given continued warm advection during the day - this may be hard to break) CAP is less in evidence further north and with continued development of convegence line from Bristol to Humber this should prove the main focus for development of afternoon storms. Upper level dynamics are not great but TW values are high (by UK standards) 19-20C Dewpoints of similar order are already bring reported from Bristol to Manchester to Midlands. If upper forcing was a little stronger (better organised) and the shape of the upper flow a little different then today could have proved very severe indeed. Rgds Paul |
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