Daily plots of Winds, Temperature
and Relative Humidity for Halley. Data are grouped together by month. Click on
individual day to get larger image. Click on full scale image to see data as
text. Images are jpeg format: please note that image names are in YYMMDD format
to assist in chronological listing.
Wind speeds are in ms-1, wind
directions in degrees from true north, temperatures in degrees Celsius:
Relative humidity is presented
twice: as raw data (i.e. as given by the HMP45 instrument, and therefore
w.r.t. water) and calibrated using Anderson 1994, and converted to be
w.r.t. ice.
Times are
in GMT: Halley is at 76S 26W.
Text data for each day
exist behind each image, accessable by clicking on the image. The 12
columnsare Time as (yy mm dd hh mm ss), followed by siz columns of the
data: column order (from left to rigth) is nominal levels of [1 2 4 8 16 32]
metre. Wind speeds are in m/s, wind direction relative to true north,
Temperature is as measured (i.e. not potential temperature), Relative Humidity
is %, with respect to water or ice. Date / time stamps are the mean of the ten
minute averaging period.
If you wish to use the images or would like the original data, please contact
Phil Anderson