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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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#1
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(09:00UTC 26/02/10)
4.4 C Max 7.4 C, min 2.4 C Dewpoint 2.8 C RH 89% Wind 0.9 kts WSW 990.9 hPa Rising Ppn (standard gauge) 5.2mm last 24hrs Ppn (standard gauge) 71.6mm this month Ppn (AWS) 4.8mm last 24hrs Ppn (AWS) 68.8mm this month Contrails/Ci/Cu from W, dry, mildish, slight breeze Min baro 09-09 979.0mb Hugh -- Hugh Newbury www.evershot-weather.org |
#2
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On Fri, 26 Feb 2010 09:06:38 +0000, Hugh Newbury
wrote: Min baro 09-09 979.0mb Keep an eye on this - Martin R too please! I had better check mine against Yeovilton. Also I have to look at the Met O prognosis. R |
#3
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Robin Nicholson wrote:
On Fri, 26 Feb 2010 09:06:38 +0000, Hugh Newbury wrote: Min baro 09-09 979.0mb Keep an eye on this - Martin R too please! I had better check mine against Yeovilton. Also I have to look at the Met O prognosis. Robin, My 979.0mb is from the AWS, so there may be a difference. Could you please post the Yeovilton figure here. I can access the forecasts from Y but not the past figures. Hugh -- Hugh Newbury www.evershot-weather.org |
#4
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![]() "Hugh Newbury" wrote in message ... Robin Nicholson wrote: On Fri, 26 Feb 2010 09:06:38 +0000, Hugh Newbury wrote: Min baro 09-09 979.0mb Keep an eye on this - Martin R too please! I had better check mine against Yeovilton. Also I have to look at the Met O prognosis. Robin, My 979.0mb is from the AWS, so there may be a difference. Could you please post the Yeovilton figure here. I can access the forecasts from Y but not the past figures. Hugh -- Hugh Newbury www.evershot-weather.org Hugh, Yeovilton's sea level pressure was 979.9mb at 1750Z and 980.1mb at 2050Z on the 25th but the depression passed well to the east of Somerset, so as long as your site is somewhere between east and south of Yeovilton, then your minimum pressure looks sound. I believe the northeastward heading centre passed just a few miles to the northwest of Romsey where my pressure reading dropped to 977.0mb around 2000Z. On my journey home that evening, the wind was NE force 4 with cloud at about 1000ft amsl to the north of Salisbury, then I ran into fog at just 200ft amsl (presumably the cloud lowering onto the hills in the light cyclonic airs of the 'low' centre). By the time I reached Romsey, there was a gusty force 4 SW'ly and a much higher stratus base again. Big changes in under 25 miles. Hope that is of some interest and use to you, Nigel (Romsey, Hampshire) |
#5
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Nigel Paice wrote:
"Hugh Newbury" wrote in message ... Robin Nicholson wrote: On Fri, 26 Feb 2010 09:06:38 +0000, Hugh Newbury wrote: Min baro 09-09 979.0mb Keep an eye on this - Martin R too please! I had better check mine against Yeovilton. Also I have to look at the Met O prognosis. Robin, My 979.0mb is from the AWS, so there may be a difference. Could you please post the Yeovilton figure here. I can access the forecasts from Y but not the past figures. Hugh -- Hugh Newbury www.evershot-weather.org Hugh, Yeovilton's sea level pressure was 979.9mb at 1750Z and 980.1mb at 2050Z on the 25th but the depression passed well to the east of Somerset, so as long as your site is somewhere between east and south of Yeovilton, then your minimum pressure looks sound. I believe the northeastward heading centre passed just a few miles to the northwest of Romsey where my pressure reading dropped to 977.0mb around 2000Z. On my journey home that evening, the wind was NE force 4 with cloud at about 1000ft amsl to the north of Salisbury, then I ran into fog at just 200ft amsl (presumably the cloud lowering onto the hills in the light cyclonic airs of the 'low' centre). By the time I reached Romsey, there was a gusty force 4 SW'ly and a much higher stratus base again. Big changes in under 25 miles. Hope that is of some interest and use to you, It is indeed. Evershot is midway between Yeovil and Dorchester, roughly. So my 979.0mb looks OK. Where do you find Yeovilton's past figures? It would be useful to keep behind my ear for occasions like the present. Hugh -- Hugh Newbury www.evershot-weather.org |
#6
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"Hugh Newbury" wrotesnip
Where do you find Yeovilton's past figures? It would be useful to keep behind my ear for occasions like the present. .... use OgiMet he- Enter station number 03853 and twiddle with the dates/times etc. http://www.ogimet.com/synops.phtml.en Martin. -- Martin Rowley West Moors, East Dorset (UK): 17m (56ft) amsl Lat: 50.82N Long: 01.88W NGR: SU 082 023 |
#7
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Martin Rowley wrote:
"Hugh Newbury" wrotesnip Where do you find Yeovilton's past figures? It would be useful to keep behind my ear for occasions like the present. ... use OgiMet he- Enter station number 03853 and twiddle with the dates/times etc. http://www.ogimet.com/synops.phtml.en Martin, This would be wonderful if I could understand what the figures refer to. I have searched for an hour to find the secret of the codes. Could you please point me in the direction of the answer. Sorry to be boring. Hugh -- Hugh Newbury www.evershot-weather.org |
#8
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.... I see the weather.org site still has the SYNOP decode stuff.
http://www.weather.org.uk/resource/syn_code.htm Martin. -- Martin Rowley West Moors, East Dorset (UK): 17m (56ft) amsl Lat: 50.82N Long: 01.88W NGR: SU 082 023 |
#9
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Martin Rowley wrote:
... I see the weather.org site still has the SYNOP decode stuff. http://www.weather.org.uk/resource/syn_code.htm Ideal! I've really learned something today. Thanks, Martin Hugh -- Hugh Newbury www.evershot-weather.org |
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