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Wednesday 12th August weather observations


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Warm dry after overnight rain and storms

Temp 17.3C, Barometer 1011mb rising slowly, Wind F1 NNE, Rainfall 8.6mm

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Dry and very muggy once more with  not much cloud, the lowest was 17.7 C which is the highest Min this month, up to 19.0 C already with the Td on 18 C

No rainfall or storms last night.I did wonder if I saw lightning in the early hours?

Having checked the Net Wx Extra, obviously quite a major storm not far west of here, noted by Pit and TM. No rainfall here.

Edited by johnholmes
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A very short spell of heavy rain around 00 g.m.t, accompanied by almost continuous lightning and high level thunder for around an hour as a storm moved north just to the west of here. Once that had cleared the night was dry, warm and humid with the residual cloud gradually dispersing after dawn to leave a dry, warm and sunny start to the day.

At 0800 g.m.t

Temp; 20.8c

24 hr max; 28.8c

24 hr min; 17.1c

Grass min; 14.9c

Rainfall in 24 hrs ending 0800 g.m.t; 2.6 mm

Mean wind speed; 8 mph N/NE

1 okta Ac and Ci

Vis; 12 km.

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Wednesday 12th August 2020

 

Very warm overnight, variable cloud. Almost continuous lightening was observed from storms well to the south and SW of this location from mid evening well in to the early hours, no thunder heard.  Dawning very warm with broken cloud. Storm cells clouds observed to the SE. Most of the cloud dispersed well before the observation allowing long spells of very warm sunshine. Very humid.

 

24-hour maximum 30.7c

24-hour minimum 18.7c

Minimum temperature on grass 16.7c

Maximum wind gust: (Midnight to Midnight) 14.0mph E

Rainfall total: 0.0mm 

 

Conditions at 09:00 GMT

 

2 Oktas Altocumulus.

Visibility 9 miles

Temperature: 22.5c

Humidity 86.0%

Wind Direction E Force 2

Barometer 1014.5mb falling slowly.

 

Yesterday.

 

Another warm night, again low cloud moved in from the North Sea. Cloudy and misty start. Cloudy this morning, still misty, a few chinks of brightness appearing.  The low cloud cleared away late morning allowing good sunny spells, turning hot by afternoon. Staying dry here. 

Edited by Polar Continental
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Another unpleasant hot day

Max temp 30.5C now 30.1C, Barometer 1011mb falling slowly, Wind F2 NE, Rainfall 8.6mm since midnight

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Fantastic storm here in the Boxmoor/Hemel area, temps dropped from 33.9c to 24c in half an hour, roads like rivers huge ammount of lightning and my glorious roses have been destroyed, i suppose it was worth it....of course it was.   

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A brief light shower this morning with thunder heard for a time, before turning sunny but hazy.

The max temp was 23.5C after a min temp of 15.9C. 0.6mm of rainfall in total.

Currently 18.8C and still sunny.

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The hottest day of this year here today 31.9c in Morriston and even 29.5c in Mumbles Weather Station.

So for Mumbles the first time I can remember the hottest day being recorded as 30c.

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A dry, hot and mainly sunny day but with high and medium level cloud increasing to the south and south west by late afternoon/ early evening, shutting out the sunshine.

At 1700 g.m.t

Temp; 27.7c

Max today; 29.5c

Min last night; 17.1c

Grass min; 14.9c

Rainfall from 0800-1700 g.m.t; 0.0 mm

Sunshine today so far; 9.4 hrs

Mean wind speed; 12 mph SE

2 oktas Ac castellanus, Cc and Ci

Vis; 65 km

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