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THE NERC MST RADAR FACILITY AT ABERYSTWYTH
SURFACE WIND MEASUREMENTS
The NERC MST Radar site (50 m above mean sea level, 52.42°N, 4.01°W; British National Grid Reference SN 637 826) is located within an east-west aligned valley, which rises up by 100 m on the north and south sides. Since this can have a significant effect on the low-level winds, surface wind measurements are made from Frongoch farm (140 m above mean sea level, 52.42°N, 4.05°W; British National Grid Reference SN 604 826), which is located 3 km to the west of the radar site.
Wind speed and direction are recorded at 1 minute intervals using:
There is an error in the wind directions in the old format files for data between 9th November 1995 and 28th November 2001. Although the directions are nominally given in the meteorological convention, i.e. FROM which the wind is blowing, they are actually "mirrored" about the North-South line, i.e.
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Last updated 28th June 2004