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Tate's Cairn

Mountain in Hong Kong

Summary

Mountain in Hong Kong

FieldValue
nameTate's Cairn
photoTate's Cairn (Hong Kong).jpg
photo_captionTate's Cairn, viewed from the north. Tate's Cairn Meteorological Station is at the centre.
elevation_m583
mapHong Kong
map_captionLocation of Tate's Cairn in Hong Kong
location
coordinates
coordinates_reftopo=type=age=volcanic_arc/belt=last_eruption=first_ascent=easiest_route=
other_name大老山

Tate's Cairn or Tai Lo Shan () is a mountain in Hong Kong at 583 m in height. It is one of the peaks of the Kowloon Ridge and falls within Ma On Shan Country Park. The peak began to appear on colonial maps in the 1860s but remained unnamed until the beginning of the 20th century.

Background

The origins of the peak's English name is unknown, but it may originate from maps created by a surveyor named George Passman Tate, Assistant Superintendent of Indian Survey Department who is responsible for government maps of Hong Kong and New Territories in 1899 and 1900.

Built in 1991 at a cost of HK$2 billion, Tate's Cairn Tunnel is a 3.9 km-long twin-tube vehicular tunnel running north–south beneath the peak.

The Stage 4 to 5 transition of the MacLehose Trail is located beneath the Cairn.

Weather radar

The first Hong Kong Observatory weather radar was installed at Tate's Cairn in 1959 at approximately 580 m above sea level. It was a Decca 41 X-band radar. The antenna was exposed and reduced the radar's effectiveness during heavy rain or high winds. In 1966, the second weather radar, Plessey 43S, was also installed at Tate's Cairn next to the Decca 41. The second weather radar was protected by radome and could detect storms up to 450 km away.

In 1983, the Decca 41 radar was replaced by a digital weather radar which enabled image archival and displayed rainfall intensity in different colours. During Typhoon Wayne's second approach to Hong Kong in 1986, the weather radar was damaged by lightning strike but was quickly repaired.

In 1994, the third radar, which is the first Doppler radar in Hong Kong, was installed here, with a detection range of 500 km. It worked in tandem with the second Doppler radar installed at Tai Mo Shan in 1999.

The current S band dual-polarization radar, the fourth radar at this location, was installed in early 2015 to replace the old Doppler radar at a cost of $19 million.

Climate

| access-date = 5 April 2024

References

References

  1. "HK Map Viewer".
  2. "Explanatory Notes on Geodetic Datums in Hong Kong".
  3. (2012-06-10). "Explanatory Notes on Demarcation District Sheets (DD Sheets)".
  4. (2021-11-12). "Radar Image Gallery: Historical Pictures".
  5. (2009). "50 years of Weather Radar Observations in Hong kong". [[Hong Kong Observatory]].
  6. "Long-range Weather Radars".
  7. (November 2015). "Update (Vol 43 Nov 2015)".
  8. (2019-11-27). "New dual-polarization Doppler weather radar at Tate’s Cairn".
Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

mountains,-peaks-and-hills-of-hong-kong sha-tin-district wong-tai-sin-district
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