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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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Tideswell, Derbyshire - Wednesday 9th January 2013
----------------------------------------------------- 0630z WNW F1 30+km 1Sc015 -00.2/-00.2 1022 RMK: A fine clear morning with a sky full of stars. Quite some time since I have been able to say that. There's a slight hoar frost on grass and cars. -- Norman Lynagh Tideswell, Derbyshire 303m a.s.l. |
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Tideswell, Derbyshire - Wednesday 9th January 2013
----------------------------------------------------- 0630z WNW F1 30+km 1Sc015 -00.2/-00.2 1022 RMK: A fine clear morning with a sky full of stars. Quite some time since I have been able to say that. There's a slight hoar frost on grass and cars. 0900z NNW F1 0250 FG SKC +01.3/+01.3 1023 RMK: Patchy radiation fog since about 0730z. Blue sky visible above the fog. Most of the frost has melted. 09-09z: Tx 8.2 (1515z) Tn -0.6 (0750z) RR 1.0 15-09z: Tg -3.6 00-24z: Sun nil First air frost since 14 December. -- Norman Lynagh Tideswell, Derbyshire 303m a.s.l. |
#3
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Tideswell, Derbyshire - Wednesday 9th January 2013
----------------------------------------------------- 0630z WNW F1 30+km 1Sc015 -00.2/-00.2 1022 RMK: A fine clear morning with a sky full of stars. Quite some time since I have been able to say that. There's a slight hoar frost on grass and cars. 0900z NNW F1 0250 FG SKC +01.3/+01.3 1023 RMK: Patchy radiation fog since about 0730z. Blue sky visible above the fog. Most of the frost has melted. 09-09z: Tx 8.2 (1515z) Tn -0.6 (0750z) RR 1.0 15-09z: Tg -3.6 00-24z: Sun nil First air frost since 14 December. 1700z WNW F1-2 20km 1St002 4Ac150 6Ci250 +00.8/+00.8 1021 RMK: A lot of very low cloud and intermittent fog for much of the day but also some intervals of bright sunshine. Somewhat counter- intuitively the fog and almost all of the stratus dispersed around dusk and it's now a fine clear evening. Max temp 3.9 -- Norman Lynagh Tideswell, Derbyshire 303m a.s.l. |
#4
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![]() "Norman" wrote in message ... Tideswell, Derbyshire - Wednesday 9th January 2013 1700z WNW F1-2 20km 1St002 4Ac150 6Ci250 +00.8/+00.8 1021 RMK: A lot of very low cloud and intermittent fog for much of the day Somewhat counter- intuitively the fog and almost all of the stratus dispersed around dusk and it's now a fine clear evening. Max temp 3.9 I think there was a convective component to the maintenance of the low cloud this afternoon - locally I had CU with base less than 1000 feet for a lot of the time. Normally would be regarded as stratus, but if you watched an individual cloud for a couple of minutes you could discern the convective overturning taking place. I'm certain it wasn't turbulent mixing, as there appeared to be very little wind either at ground level or cloud level - and the fact that it all melted away at dusk somewhat backs up the convective idea. -- Freddie Bayston Hill Shropshire 102m AMSL http://www.hosiene.co.uk/weather/ https://twitter.com/#!/BaystonHillWx for hourly reports |
#5
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Freddie wrote:
"Norman" wrote in message ... Tideswell, Derbyshire - Wednesday 9th January 2013 1700z WNW F1-2 20km 1St002 4Ac150 6Ci250 +00.8/+00.8 1021 RMK: A lot of very low cloud and intermittent fog for much of the day Somewhat counter- intuitively the fog and almost all of the stratus dispersed around dusk and it's now a fine clear evening. Max temp 3.9 I think there was a convective component to the maintenance of the low cloud this afternoon - locally I had CU with base less than 1000 feet for a lot of the time. Normally would be regarded as stratus, but if you watched an individual cloud for a couple of minutes you could discern the convective overturning taking place. I'm certain it wasn't turbulent mixing, as there appeared to be very little wind either at ground level or cloud level - and the fact that it all melted away at dusk somewhat backs up the convective idea. No signs of any convective movement in the cloud here. It all looked very stratiform and was flowing over the contours of the land -- Norman Lynagh Tideswell, Derbyshire 303m a.s.l. |
#6
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On 9 Jan 2013 17:49:48 GMT, "Norman" wrote:
No signs of any convective movement in the cloud here. It all looked very stratiform and was flowing over the contours of the land Ah ok - just a concidence then, I guess. -- Freddie Bayston Hill Shropshire 102m AMSL http://www.hosiene.co.uk/weather/ https://twitter.com/#!/BaystonHillWx*for hourly reports* |
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