Thursday 29th December General Weather Chat

[The PIT]

A clear mild start to the day. Ground frost melting due the breeze again.

Temp 3.9C low 1.9C, Barometer 1032mb falling, Wind F3 SSW, Rainfall nil

[cheese]

Overnight fog has cleared, now clear skies and very cold, temp -5.2C and calm.

[johnholmes]

Overnight thick  fog here also cleared here with clear skies and no wind, white frost with low currently on -2.3 C

[The PIT]

A bit of an inversion going here look at the difference in temps

[cheese]

7 minutes ago, The PIT said:

A bit of an inversion going here look at the difference in temps

Emley Moor is 5C, not that far from here but around 300m asl compared to 85m here. 

I think the inversion must be around 200m for these parts. 

Edited December 29, 2016 by cheese

[Summer Sun]

Dry and foggy start

Temp -0.8c

[SteveB]

Cold frosty start

Temp -2.3c

[johnholmes]

The Watnall skew-t shows it very well, it is very marked

http://weather.uwyo.edu/cgi-bin/sounding?region=europe&TYPE=GIF%3ASKEWT&YEAR=2016&MONTH=12&FROM=2900&TO=2900&STNM=03354

[Polar Continental]

Thursday 29th December 2016

 

Freezing fog, widespread moderate frost overnight. No change so far this morning, vis <50 yards.

 

Maximum temperature to 18:00 GMT yesterday: 1.9°C.

Minimum temperature overnight -3.2°C

24-hour maximum 1.9°C

24-hour minimum: -3.2°C

Minimum temperature on grass: -6.9°C

Maximum wind gust: (Midnight to Midnight) 6.1 mph SSE

Rainfall total: 0.0mm

 

Conditions at 09:00 GMT

 

8 Oktas, Freezing fog.

Visibility  <50 Yards.

Temperature: -2.6°C

Humidity: 97.8%

Dew point -2.9°C

Wind Direction: NE force 1

Barometer 1036.2mb: Trend: falling.

 

Yesterday.

 

Cold overnight, widespread moderate frost. Sunny frost for a time this morning. Thick fog descended towards lunch time with temperatures close to freezing. The fog persisted locally, though cleared here around mid to late afternoon.

 

December 2016 so far:

 

Mean temperature: 5.7c (1.6c) (of local average 1992-2014)

Maximum temperature: 12.1c on the 7th.

Minimum temperature: -3.5 on the 28th

Grass Minimum: -8.0c on the 28th.

Rainfall 20.6mm

Wettest 24 hours = 10.3mm on the 10th.

Maximum wind gust: 35.7mph W the 23rd.

 

2016 so far:

 

Maximum temperature: 32.4c on the 19th June.

Minimum temperature: -4.5c on the 24th February

Grass Minimum: -9.5c on the 24th February.

Rainfall 748.5mm

Wettest 24 hours = 44.1mm on the 14th June.

Maximum wind gust: 42.2 mph W on the 1st February.

 

 

 

[The PIT]

A sunny day less cold than of late. Surprised too see the Boating lake in Graves park partially frozen a sit hasn't been that cold. Car thermometer showing again how unreliable they are coming out with 7.5C an hour ago

Temp 6.4c, Barometer 1032mb falling, Wind F2 SSW, Rainfall Nil

[Terminal Moraine]

Thick fog until 2200 yesterday. The fog then receded into the valleys and the rest of the night was dry, clear and breezy. Sunny and almost cloudless today but with fog patches persisting all day in the local valleys.

At 0900

Temp; 2.5c

24 hr max; 3.5c

24 hr min; 0.5c

Grass min; -3.1c

Rainfall in 24 hrs ending 0900; Trace

Mean wind speed; 21 mph W/SW

1 okta St fractus

Vis: 15 km.

 

[The PIT]

A cool sunny day frost remaining in the shade despite the air temperature getting to 6C plus

Max temp 6.4C now 4.6C, Barometer 1031mb falling, Wind F2 SSW, REainfall nil

The question is will the inversion happen again tonight.

[SteveB]

Dry clear frosty start, clouding over this afternoon

Temp 5.3c

Max Temp 7.1c

Min Temp -2.8c

[hillbilly]

A keen frost leaving a good cold sunny day,a little breeze at times,max 3 deg,min -4 deg

Edited December 29, 2016 by hillbilly

[Terminal Moraine]

A sunny and almost cloudless day. Fog spread up from the valleys during the late afternoon and the temperature temporarily dipped below 0c around 1645 before rising a couple of degrees an hour later when the fog cleared again.

At 1800

Temp; 1.1c

Max today; 4.6c

Min last night; 0.5c

Grass min; -3.1c

Rainfall from 0900-1800; 0.0 mm

Sunshine today; 4.74 hrs

Mean wind speed; 12 mph SW

Highest gust today; 33 mph W/SW at 0920

0 oktas cloud

Vis; 5 km.

Valley fog