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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Old August 10th 18, 07:58 AM posted to uk.sci.weather
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Default [OBS] Ystrad, Rhondda - Fri 10 Aug 2018

0600z: 18001KT 20km Slight rain 1ST012 8AS070 10.9/10.0 QFF 1016.1 falling.
SYNOP: 11470 81801 10109 20100 40161 56001 60012 76186 8172/ 333 20087 81712 88457=
Upper cloud cleared by the end of Thursday afternoon to leave a clear evening. Cloud and showers spread in after midnight, but with some good clear spells between the showers at first. Moderate precipitation for a short time just before 0500z, and since then it has been cloudy with continuous slight rain. Only a small amount of stratus this morning, with a solid deck of low altostratus above. Not a whiff of convective cloud - this looks like organised dynamic rainfall. Curretly cloudy and feeling cool, despite very light southerly drift. Visibility is good in spite of the precipitation. Minimum temperature overnight was 8.7 (0304z).

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

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Old August 10th 18, 10:28 AM posted to uk.sci.weather
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Default [OBS] Ystrad, Rhondda - Fri 10 Aug 2018

0900z: 15002KT 15km Slight rain 3ST010 4AS070 6CI250 12.7/11.8 QFF 1015.9 rising.
SYNOP: 41465 71502 10127 20118 40159 55002 76166 83722 333 83710 84457 86075=
Rain increased moderate to heavy between 0650z and 0800z, but is now slight again. A fair bit of stratus developed in the rain, but it is now dispersing - as is the medium cloud from the west. Visibility is reasonable, and the surface wind is a light SSE'ly. Stratus is moving from south to north. A cooler night last night - the coolest since 23rd June. There have only been two sub-10 minima since 24th June, and only 6 over the whole summer so far.

09/0900z to 10/0900z:
Max: 20.3 (1311z)
Min: 8.7 (0304z)
Rain: 4.6 mm

--
Freddie
Ystrad
Rhondda
148m AMSL
http://www.hosiene.co.uk/weather/
https://twitter.com/YstradRhonddaWx for hourly reports (no wind measurement currently)
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Old August 10th 18, 01:17 PM posted to uk.sci.weather
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Default [OBS] Ystrad, Rhondda - Fri 10 Aug 2018

1200z: 27012KT 50km 1CU022 3SC050 (1AC120) 17.5/12.2 QFF 1016.0 rising.
SYNOP: 11584 42712 10175 20122 40160 53001 60041 70186 83830 333 81822 83650=
Winds veered to a light southwesterly around 1000z, then further veered to westerly by 1100z and increased to F4-5. Slight rain earlier stopped before 1000z, then there were some slight rain showers between 1000z and 1100z. Since then cloud has broken and there is now a small amount of convective cloud with some stratocumulus and altocumulus above. Total cloud cover just about half cover. Visibility has improved to excellent.

--
Freddie
Ystrad
Rhondda
148m AMSL
http://www.hosiene.co.uk/weather/
https://twitter.com/YstradRhonddaWx for hourly reports (no wind measurement currently)
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Old August 10th 18, 04:15 PM posted to uk.sci.weather
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Default [OBS] Ystrad, Rhondda - Fri 10 Aug 2018

1500z: 27010KT 60km 3CU030 (2SC045) 18.8/10.3 QFF 1017.2 rising.
SYNOP: 42686 42710 10188 20103 40172 52012 84800 333 83830=
A breezy but dry afternoon with variable amounts of convective cloud and sunny intervals. Excellent visibility. Maximum temperature so far today is 19.2 (1452z).

--
Freddie
Ystrad
Rhondda
148m AMSL
http://www.hosiene.co.uk/weather/
https://twitter.com/YstradRhonddaWx for hourly reports (no wind measurement currently)
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Old August 10th 18, 07:21 PM posted to uk.sci.weather
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Default [OBS] Ystrad, Rhondda - Fri 10 Aug 2018

1800z: 29003KT 60km 1CU030 17.3/8.7 QFF 1019.1 rising.
SYNOP: 12686 12903 10173 20087 40191 52019 60042 81100 333 10192 81830=
A dry afternoon with sunny periods. Convective cloud now dispersed. Excellent visibility. Light westnorthwesterly breeze. Feeling chilly in the low dewpoint air. Maximum temperature today was 19.2 (1452z).

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


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