0900z: 09002KT 40km 1CU012 3AC180 7CI250 13.5/10.3 QFF 1024.4 steady.
SYNOP: 42482 70902 10135 20103 40244 50003 81131 333 81812 83368 87075=
Convective cloud dispersed by 1700z Wednesday, with clear skies during the evening - apart from small amount of thin cirrus. Overnight the upper cloud has increased in extent and there is some thin altocumulus underneath it. Despite this, it was a cold night. Local convection has just started, with a tiny smidge of cumulus developing over high ground to the south. Very good visibility. Light easterly drift.

29/0900z to 30/0900z:
Max: 19.2 (1245z)
Min: 6.3 (0523z)
Rain: Trace

--
Freddie
Ystrad
Rhondda
148m AMSL
http://www.hosiene.co.uk/weather/
https://twitter.com/YstradRhonddaWx for hourly reports (no wind measurement currently)

1300z: 13003KT 40km 1CU040 (1SC060) 6CI250 17.2/7.3 QFF 1023.6 falling.
SYNOP: 42682 61303 10172 20073 40236 57010 81802 333 81840 86075=
Dry with sunny periods. Upper cloud dispersed for a time, but came back between 1130z and 1230z. Light southeasterly breeze. Very good visibility.

--
Freddie
Ystrad
Rhondda
148m AMSL
http://www.hosiene.co.uk/weather/
https://twitter.com/YstradRhonddaWx for hourly reports (no wind measurement currently)

1500z: 13003KT 50km 1CU045 (1SC060 1AC180) 6CI250 18.7/8.0 QFF 1023.5 steady.
SYNOP: 42684 61303 10187 20080 40235 56003 81832 333 81845 86075=
Upper cloud now thinning to the south with sunny periods developing. Small amounts of cumulus, stratocumulus and high-based altocumulus underneath. Excellent visibility. Light southeasterly breeze. Maximum temperature so far today is 19.1 (1448z).

--
Freddie
Ystrad
Rhondda
148m AMSL
http://www.hosiene.co.uk/weather/
https://twitter.com/YstradRhonddaWx for hourly reports (no wind measurement currently)