Steve Colwell British Antarctic Survey

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Presentation transcript:

Steve Colwell British Antarctic Survey Data Stuff Steve Colwell British Antarctic Survey

Overview An update on READER (Reference Antarctic Data for Environmental Research) https://legacy.bas.ac.uk/met/READER/ Demonstration of the new meteorological data interface http://basmet.nerc-bas.ac.uk/sos/ A project to put weather stations on drifting buoys http://www.meereisportal.de/en.html

https://legacy.bas.ac.uk/met/READER/

Updates to the end of 2015 Stations where surface data from the national operator has been obtained up to the end of 2015 are: UK, USA, Germany, Argentina, Australia, China. Stations where updates have been promised from: Chile, Russia, Japan, South Korea, France.

McMurdo data Ceiling in Hrs=or< McMurdo Station Daily Observation Worksheet Date: 01 Low- est CIG Ceiling in Hrs=or< Center Station Press (mb) Time Winds Dew PT 6 hr Temp Visibility (hrs) Wx and Duration (Note 2) Pcpn Amt Max Wind (Note 3) Max Gust (Note 3) Sky Cover Ceiling (hrs) Alt Press Tend SLP 24-Hour Pressure Zulu Dir Spd Temp Max Min <1600 <4800 <9999 sn/sg/ic hrs fg/br bs <500 <1000 <3000 (in) (mb) 12-15Z 23 70 1455 15-18Z 60 21 -18.6 -24.4 -17.3 -18.7 1.5 SN 0.9 BR T 1730 31 80 1356 8 45 29.45 993.6 3002 998.1 18-21Z 22 1916 21-24Z 14 -16.2 -21.2 -16.0 5.5 18 2132 26 1933 25 3.0 993.2 6001 997.7 2.9 12 hr Max/Min 00-03Z 101 03-06Z -16.3 -24.0 -14.7 -16.8 17 315 50 59 6 0.3 29.39 991.5 6007 996.0 06-09Z 820 09-12Z 16 -14.3 -28.4 -16.6 19 930 24 1008 30 29.29 988.2 6015 992.5 5.6 Avg Wind Max Temp Min Temp Avg Temp Min Wind Chill WX and Duration Pcpn Total Max Wind Max Gust Avg Sky Cover C F 68 15 -15.8 00-06L 0.0 -33.0 -27.4 6.4 7.0 06-12L Altimeter Total Obs Taken Daily Pres Diff Daily Temp Diff 7 12-18L Avg 18-24L 29.40 4 0.16 4.4 Note 1: Color coding. Green headings indicate blocks the Weather Observer must complete. The remainder are calculated/ completed by MS Excel. Note 2: Duration should be fractions of an hour. Note 3: To facilitate MS Excel, the order of entry for Max Wind and Max Gust is changed from conventional. The order is: Spd, Dir, and Time. Ceiling in Hrs=or<

McMurdo pressure data

McMurdo pressure data with date corrected

Palmer data

Palmer data

Faraday/Vernadsky verses Palmer annual temperature

Difference in Palmer data from the old PALMOS system and synops

Difference in Palmer data from the old PALMOS system and synops

Palmer summary Since October 2015 data for the synoptic messages are coming from the new PAWS system. The station height has not yet been updated in the WMO flatfile list where it is still listed as 8m. Palmer pressure data are getting rejected by AMPS. The synoptic messages being sent out have the same pressure for station and sea level. AAXX 16001 89061 17566 80000 11003 21005 30127 40127 56020 69904 70066 333 21026 59060 555 91600= NNNN

Palmer summary Since October 2015 data for the synoptic messages are coming from the new PAWS system. The station height has not yet been updated in the WMO flatfile list where it is still listed as 8m. Palmer pressure data are getting rejected by AMPS. The synoptic messages begin sent out have the same pressure for station and sea level. AAXX 16001 89061 17566 80000 11003 21005 30127 40127 56020 69904 70066 333 21026 59060 555 91600= NNNN Station pressure 1012.7 Sea level pressure 1012.7

New meteorological data interface.

New meteorological data interface.

New meteorological data interface.

New meteorological data interface.

New meteorological data interface.

New meteorological data interface.

New meteorological data interface.

New meteorological data interface.

New meteorological data interface.

Weather station under construction in Cambridge

Technical specifications Installed on a drifting buoy CR1000 logger Measurements Pressure, temperature, humidity, wind speed and direction, incoming short and long wave radiation. GPS for position and a digital compass for wind direction correction. Communication via 9602 SBD modem once an hour.

Deployed in the Weddell Sea

Questions src@bas.ac.uk https://legacy.bas.ac.uk/met/READER/ http://basmet.nerc-bas.ac.uk/sos/ http://www.meereisportal.de/en.html