0900z: 27005KT 4000m Mist 8ST007 9.1/8.3 QFF 1004.8 steady.
SYNOP: 41340 82705 10091 20083 40048 55000 72165 887// 333 88707=
Cloud continued to thicken and lower Monday afternoon, with slight rain starting around 1630z. Precipitation was rather intermittent at first, but became continuous mid evening, and moderate between 2200z and 0400z, before easing again. Precipitation became intermittent again during the past hour, and has currently stopped. 10.4 mm in total fell, bringing the total since the 8th to 142.6 mm. Temperature has shown a slow rise since midnight, with a more sudden rise of 2.5 C of both temperature and dew point between 0700z and 0730z - with a veer in the surface wind just prior to this from SSEly to Wly. Currently dry but misty and murky with extensive low cloud and moderate to poor visibility.

26/0900z to 27/0900z:
Max: 10.9 (1325z)
Min: 5.3 (2333z)
Rain: 10.4 mm

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

On Tuesday, 27 March 2018 10:23:46 UTC+1, Freddie wrote:
0900z: 27005KT 4000m Mist 8ST007 9.1/8.3 QFF 1004.8 steady.
SYNOP: 41340 82705 10091 20083 40048 55000 72165 887// 333 88707=
Cloud continued to thicken and lower Monday afternoon, with slight rain starting around 1630z. Precipitation was rather intermittent at first, but became continuous mid evening, and moderate between 2200z and 0400z, before easing again. Precipitation became intermittent again during the past hour, and has currently stopped. 10.4 mm in total fell, bringing the total since the 8th to 142.6 mm. Temperature has shown a slow rise since midnight, with a more sudden rise of 2.5 C of both temperature and dew point between 0700z and 0730z - with a veer in the surface wind just prior to this from SSEly to Wly. Currently dry but misty and murky with extensive low cloud and moderate to poor visibility.

26/0900z to 27/0900z:
Max: 10.9 (1325z)
Min: 5.3 (2333z)
Rain: 10.4 mm

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

Thin warm sector?

On Tuesday, 27 March 2018 10:55:42 UTC+1, wrote:
On Tuesday, 27 March 2018 10:23:46 UTC+1, Freddie wrote:
0900z: 27005KT 4000m Mist 8ST007 9.1/8.3 QFF 1004.8 steady.
SYNOP: 41340 82705 10091 20083 40048 55000 72165 887// 333 88707=
Cloud continued to thicken and lower Monday afternoon, with slight rain starting around 1630z. Precipitation was rather intermittent at first, but became continuous mid evening, and moderate between 2200z and 0400z, before easing again. Precipitation became intermittent again during the past hour, and has currently stopped. 10.4 mm in total fell, bringing the total since the 8th to 142.6 mm. Temperature has shown a slow rise since midnight, with a more sudden rise of 2.5 C of both temperature and dew point between 0700z and 0730z - with a veer in the surface wind just prior to this from SSEly to Wly. Currently dry but misty and murky with extensive low cloud and moderate to poor visibility.

26/0900z to 27/0900z:
Max: 10.9 (1325z)
Min: 5.3 (2333z)
Rain: 10.4 mm

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

Thin warm sector?

Shallow moist zone immediately behind the cold front. Made confusing by the fact that the air is warmer at ground level behind the front ...

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

1200z: 30005KT 40km 5CU015 3SC030 10.0/7.1 QFF 1006.0 rising.
SYNOP: 11482 73005 10100 20071 40060 53012 69981 70165 878// 333 85815 83630=
Intermittent rain and drizzle ceased by 1030z. Cloud broke soon after and is now convective in appearance. 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)