Thursday 12th of December General Weather Chat

[The PIT]

A mild but windy start to the day. It seems at the moment the days are upside down with Max temps bein g around around midnight.

Temp 4.9C

Barometer 1019mb falling

Wind F5 SSW

Rainfall Nil

[MeteoMadrid]

Hello friends

 

Villalba ( 917masl, 61.000 inhabitants, NW of Madrid)

 

Temperature min: -2,8º (5:05 AM)

Temperature at 6:00 AM: -1,1º

Cloudy

 

Madrid (Universities 690 masl)

 

Temperature min: -2,2º

Temperature at 6:00AM: -1,8º

Clear

[SteveB]

Damp mild start

 

Temp 8.7c

[johnholmes]

clouded over after midnight with the lowest T value then at 0.5C with a lot of white frost on cars, roofs etc, now on 4.6C with about 3/4 cover of cloud, still fairly dark but much of it looks like upper cloud layers

[Coast]

3.0°C

1035.5 Pa rising 0.4 Pa/hr

Wind 0.0 mph gusting 1.2 mph max N

DP 1.8°C

Humidity 92%

No rain last 24 hours

Cloud base  436 ft

 

White frost on the pavements, fog in places

[Polar Continental]

Thursday 12th December 2013:

 

Some clear spells overnight with ground frost forming, melting and reforming several times with the variable cloud and southerly breeze. Turning cloudy around dawn. At observation. mainly cloudy, damp, misty.

 

Readings at 09:00 GMT:

 

Maximum temperature to 18:00 GMT yesterday: 4.6°C

Minimum temperature overnight 1.1°C

24-hour maximum 4.6°C

24-hour minimum: 1.1°C

Minimum temperature on grass: -2.5°C

Maximum wind gust: (Midnight to Midnight) 12.5 mph SE

Rainfall total: 0.1mm

 

Conditions at 09:00 GMT

 

7 Oktas Altostratus, Cirrus.

Visibility: poor <1 mile

Temperature: 4.0°C

Humidity: 98.3%

Dew point 3.8°C

 

Wind Direction: Force 2-3 SSE

Barometer 1021.8mb: Trend: falling.

 

Yesterday:

 

Clear spells overnight, allowing a ground frost to develop and thick fog, visibility <100yards at dawn. At observation, fog slowly lifting, vis now <200 Yards. The fog lifted by late morning allowing a few watery intervals of sunshine, but staying chilly. Well before sunset ground frost had reformed. 

 

December 2013 so far:

 

Mean temperature: 5.7  (1.4c) of local average)

Maximum temperature: 11.0c on the 9th

Minimum temperature: 0.6c on the 11th

Grass Minimum: -4.9c on the 11th

Rainfall 4.4 mm

Wettest 24 hours 3.2mm on the 5th.

Maximum wind gust: 56.7 mph WSW on the 5th.

 

2013 so far:

 

Maximum temperature: 30.6c on the 1st August.

Minimum temperature: -5.1c on the 14th March.

Grass Minimum:  -9.8c on the 16th Jan

Rainfall 715.0mm

Wettest 24 hours 52.9.mm on the 26th July.

Maximum wind gust: 56.7 mph WSW on the 5th Dec

[Terminal Moraine]

A dry night with clear spells but hill fog developed during the early hours and has persisted ever since, apart from one or two brief spells when it lifted a little.

A mainly dry and overcast morning with light rain arriving around midday.

 

At 0900;

Temp; 3.6c24

 hr max; 3.8c

24 hr min; 0.9c

Overnight min; 1.9c

Grass min; -0.8c

Rainfall in 24 hrs ending 0900; Trace

Mean wind speed' 22 mph SW

Sky obscured by fog

Vis; 80 mts.

[The PIT]

A breezy mild day with increasing cloud which brought light rain to the region late morning early afternoon.

Max temp 10.4C also present temp.

Barometer 1019mb rising

Wind F4 SSW

Rainfall 0.2mm

[SteveB]

Dry cloudy day

 

Temp 11.9c

Max Temp 12.6c

Min Temp 8.7c

[Terminal Moraine]

A cloudy and increasingly mild afternoon with intermittent light rain. This morning's hill fog lifted to mist or just poor visibility by about 1400 but there were brief spells when the cloud lowered onto the hills again. A breezy day but with remarkably little variation in wind speed, mostly between 17 and 22 mph.

 

At 1800;

Temp; 7.8c

Max' today; 7.8c

Min'  last night; 1.9c

Grass min; -0.8c

Rainfall from 0900-1800; 0.5 mm

Sunshine today; 0.00 hrs

Mean wind speed; 21 mph S/SW

Highest gust today; 26 mph SW at 1052

8 oktas Ns

Vis; 1 km.

[TonyH]

Cloudy and mild today, a little drizzle at times after 1100. Moderate to fresh SSW wind.

 

Min 6.5c @ 0300

Max 11.6c @ 1730

Rain yesterday Nil

Rain since 0900 today 0.5mm

Est sun Nil

Max wind: South 26mph @ 0500

 

Currently Drizzle, very mild

11c/ 95%/ 1019mbar falling slowly

 

[Stargazer]

Freezing fog by midnight, lifted into low cloud in the early hours accompanied by a rise in temperature.  A misty and rather damp start, with cloud gradually thinning during the day to give intervals of hazy sunshine in the afternoon.  Maximum 10.1, minimum -0.7.  Wind light SE.

[johnholmes]

It is approximately 9C warmer now than the same time last night!

[Mark Neal.]

Rain falling. 8.6c temperature very mild compared to the last few nights which have been clear/foggy.