Tuesday 17th December weather observations

[Summer Sun]

Dry calm and cold with a light frost on vehicles.

Temp 1.7c

[The PIT]

Dry cold frosty with light winds

Temp 0.9C, Barometer 995mb steady, Wind F1 Variable, Rainfall Nil

[SteveB]

Cloudy murky damp start

Temp 5.2c

[Summer Sun]

A cold start to the day with a frost and freezing fog

Temp -0.7c

[johnholmes]

Dry, cloudy and frosty with a low of -0.8 C, currently up to +0.3 C. Cloud mainly Ci Cs with some patchy Sc below.

[Polar Continental]

 

Tuesday 17th December 2019

 

Clear spells overnight, frost, thick fog developing through the early hours. Frost and fog this morning, visibility >100 yards.

 

24-hour maximum 5.2c

24-hour minimum -0.3c

Minimum temperature on grass -2.2c.

Maximum wind gust: (Midnight to Midnight) 11.8mph S

Rainfall total: 0.1mm

 

Conditions at 09:00 GMT

 

8 Oktas fog stratus.

Visibility < 100 yards.

Temperature: 0.2c

Humidity 98.0%

Wind Direction: calm Force 0

Barometer 998.6mb falling slowly.

 

Yesterday.

 

Variable cloud overnight, a few showers. Party cloudy this morning, bright spells. Bright spells, though a good deal of high cloud throughout.

[Terminal Moraine]

A dry night with large amounts of thin, high cloud. Extensive fog patches in the valleys by dawn. Dry and cloudy so far this morning with the valley fog persisting.

At 0900

Temp; 2.5c

24 hr max; 3.7c

24 hr min; 1.4c

Grass min; -2.6c

Rainfall in 24 hrs ending 0900; 0.1 mm

Mean wind speed; 6 mph W/SW

7 oktas As and Ac

Vis; 12 km.

Valley fog

Edited December 17, 2019 by Terminal Moraine

[danthetan]

Chilly day down here in south wales and foggy low of - 1.3

[The PIT]

A dry day with some sunny spells and also some cloud more so in the morning. A cold day

Max temp 4.7C, now 3.1C, Barometer 998mb rising, Wind F1 SSW, Rainfall nil

Edited December 17, 2019 by The PIT

[Terminal Moraine]

A dry, chilly and cloudy day with an extensive sheet of As which didn't clear until sunset. Valley fog persisted until early afternoon and then re-formed by early evening.

At 1800

Temp; 0.8c

Max today; 3.6c

Min last night; 1.4c

Grass min; -2.6c

Rainfall from 0900-1800; Trace ( melted rime )

Sunshine today; 0.0 hrs

Mean wind speed; 9 mph SW

Highest gust today; 17 mph SW at 1508

1 okta Ci and Ac

Vis; 1 km.

Valley fog

[Stargazer]

Cold and wet with rain for much of the day. Dry and partly cloudy this evening. Maximum 7.2, minimum 5.9. Wind light W.

Yesterday: overcast with drizzle later in the day. Maximum 8.4, minimum 5.5. Wind light SW.

Edited December 17, 2019 by Stargazer

[hillbilly]

Frosty to start,cold and cloudy with frost lingering for much of the day,max  4 deg,min 0 deg