Friday 17th February 2012 Observations

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Friday 17th February 2012 Observations

Postby Richard Hunt » 2012 Feb 17, 09:06

17 FEBRUARY 2012 --- 0900 UTC ---

Current Air Temp: 4.3c
Grass Minimum: 0.9c
Relative Humidity: 92%
Dewpoint: 3.2c
Soil Temp (30cm): 5.3c
Barometric Pressure: 1021.3 mb
Pressure Trend: 0.0 mb/hr.
Cloud Cover: 2/8.
Wind Speed: 6 MPH.
Wind Direction: SW.
Maximum Gust: 14.5 MPH.
Rainfall Today: 0.1mm.
-------------------------------------------------------
Last 24 Hours:

Air Maximum: 10.3c
Air Minimum: 4.3c
Grass Minimum: 0.9c
RH Maximum: 93%
RH Minimum: 74%
Rainfall: 0.1mm
Wind Gust Maximum: 22 MPH
Direction: North West.
COL Station: 25020.

Watson W-8681 AWS. Standard Stevenson Screen. Maximum and Minimum screen thermometers. Grass minimum thermometer.
5" Copper standard rain gauge. Roof mounted annemometer.
Richard Hunt
 
Posts: 374
Joined: 2012 Jan 27, 19:23
Location: Hornsea, East Yorkshire. 10m AMSL

Re: Friday 17th February 2012 Observations

Postby PhilipEden » 2012 Feb 17, 10:57

Whipsnade
0900z 260° 9kn 16km 3Sc015 8Sc030 07.4/07.2 1024.3

Last 24h:
Lodge: max 9.7 min 4.4 grass 1.8 rain nil sun 3.6
Observatory: max 9.0 min 4.4 grass 2.5 rain nil

Last remnants of "natural" snow disappeared late-morning Thurs, though there are still large piles where it was
cleared, notably in the zoo car park!

Philip
PhilipEden
 
Posts: 45
Joined: 2012 Jan 27, 18:23
Location: Whipsnade, Bedfordshire 229m

Re: Friday 17th February 2012 Observations

Postby Paul Carfoot » 2012 Feb 17, 14:49

Friday 17th February 2012:

Mostly cloudy overnight, though staying dry, mild again. At observation, overcast with light drizzle.

Today's readings for the 24 hrs up to 09:00 GMT:

Maximum temperature to 18:00 GMT yesterday: 9.7°C
Minimum temperature overnight: 6.7°C
24-hour maximum = 9.7°C
24-hour minimum: 5.3°C
Minimum temperature on grass: 3.5°C
Maximum wind gust: (last 24 hours) 19.4mph. NW
Rainfall total: tr. mm

Current Conditions:

8 Oktas: Stratocumulus.
Visibility: about 4 miles.
Temperature: 7.9°C
Wind chill 7.9°C .
Humidity: 94%
Dew point 7.0°C
Wind Direction: Force 1 SW
Barometer 1023 mb falling slowly.

Yesterday:

Dry with variable cloud overnight. Low 4.2c with –1.0c on the grass, so a slight ground frost detected. At observation, after some initial brightness, turning cloudy, dry. The day stayed dry and mostly cloudy, mild.

February 2012 so Far

Mean temperature: 0.4c (- 3.8c) of the local average)
Maximum temperature: 10.4c on the 15th.
Minimum temperature: -8.9c on the 4th
Grass Minimum: -11.2c on the 4th
Rainfall = 19.2 mm
Maximum snow depth = 10cm on the 5th.
Wettest 24 hours = 4th 15.2 mm on the 4th (melted snow)
Maximum wind gust: 27.3 mph ESE on the 1st.

2012 so far

Maximum temperature: 11.8c on the 11th January.
Minimum temperature: -8.9c on the 4th Feb
Grass Minimum: -11.2c on the 4th Feb
Rainfall = 84.0 mm
Wettest 24 hours, 17.2mm on the 4th Jan
Maximum wind gust: 48.6mph, NW 5th Jan
Paul Carfoot
 
Posts: 135
Joined: 2012 Feb 09, 07:27
Location: Stanton, Burton on Trent, Staffs UK.

Re: Friday 17th February 2012 Observations

Postby Richard Hunt » 2012 Feb 17, 20:38

Wind getting up the last few hours as the pressure falls. Mild still and dry underfoot. A sunny afternoon and almost spring like.

17 FEBRUARY 2012 --- 2020 UTC ---

Current Air Temp: 10.1c
Grass Minimum: 0.9c
Relative Humidity: 92%
Dewpoint: 8.9c
Barometric Pressure: 1015.4 mb
Pressure Trend: -0.7 mb/hr.
Cloud Cover: 8/8.
Wind Speed: 16 MPH.
Wind Direction: W.
Maximum Gust: 20 MPH.
Rainfall Today: 0.2mm.
COL Station: 25020.

Watson W-8681 AWS. Standard Stevenson Screen. Maximum and Minimum screen thermometers. Grass minimum thermometer.
5" Copper standard rain gauge. Roof mounted annemometer.
Richard Hunt
 
Posts: 374
Joined: 2012 Jan 27, 19:23
Location: Hornsea, East Yorkshire. 10m AMSL


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