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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
October 23rd 18, 10:09 AM
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[OBS] Ystrad, Rhondda - Tue 23 Oct 2018
0900z: 31005KT 30km 1AC180 7CI250 11.3/5.8 QFF 1033.7 falling.
SYNOP: 42980 73105 10113 20058 40337 57002 81031 333 81368 87075= Fine and sunny Monday late afternoon, high cloud increasing into the evening. Surface wind backed W-NW F2-3 during the evening. Patchy medium cloud layers overnight. Currently there is a large amount of thin cirrus, with a trace of thin altocumulus underneath, very good visibility and a light northwesterly breeze. 22/0900z to 23/0900z: Max: 13.9 (1503z) Min: 5.4 (2235z) Rain: Nil -- Freddie Ystrad Rhondda 148m AMSL http://www.hosiene.co.uk/weather/ https://twitter.com/YstradRhonddaWx for hourly reports (no wind measurement currently) Stats for the month so far: https://www.hosiene.co.uk/weather/st...201810OCT.xlsx |
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#2
October 23rd 18, 12:29 PM
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[OBS] Ystrad, Rhondda - Tue 23 Oct 2018
1200z: 31005KT 50km 7CI250 16.0/2.7 QFF 1032.1 falling.
SYNOP: 12984 73105 10160 20027 40321 58016 60001 80002 333 87075= Some sort of foehn effect, or mixing down of dry and warm air from aloft, as temperature has shot up and dew point dropped recently, and the visibility has improved markedly - despite already being very good. Just a light "down the valley" northwesterly at the moment, and extensive cirrus cloud that is dense in a few spots. -- Freddie Ystrad Rhondda 148m AMSL http://www.hosiene.co.uk/weather/ https://twitter.com/YstradRhonddaWx for hourly reports (no wind measurement currently) Stats for the month so far: https://www.hosiene.co.uk/weather/st...201810OCT.xlsx |
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#3
October 23rd 18, 03:18 PM
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[OBS] Ystrad, Rhondda - Tue 23 Oct 2018
1500z: 32008KT 30km 1AC180 7CI250 15.7/8.7 QFF 1031.9 rising.
SYNOP: 42980 73208 10157 20087 40319 55002 81032 333 81368 87075= Fohn effect (or whatever it was) lasted to mid afternoon, but dew point and air temperature have both returned to similar values to nearby sites, and the visibility has decreased (but is still very good). F3-4 northwesterly breeze, and extensive high cloud that is dense in places. Maximum temperature so far today is 17.5 (1259z). -- Freddie Ystrad Rhondda 148m AMSL http://www.hosiene.co.uk/weather/ https://twitter.com/YstradRhonddaWx for hourly reports (no wind measurement currently) Stats for the month so far: https://www.hosiene.co.uk/weather/st...201810OCT.xlsx |
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