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Radiosonde during YMC-CSO 2021 campaign

  drafted                                                   Oct 16, 2023
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1. Summary

Radiosonde data collected during the YMC-CSO 2021 campaign at the Hanoi, Danang, and Tansonhoa (Ho Chi Minh) stations in Vietnam using Vaisala RS41 sensors. This was made under the collaborative framework between VNMHA (Viet Nam Meteorological and Hydrological Administration) and JAMSTEC.  Each sounding provides vertical profiles of temperature, relative humidity, geopotential height, as well as zonal and meridional winds at 100 m intervals. The data at each 100 m level was calculated by averaging the data within a 100 m bin, spanning from 50 m below to 50 m above that level.


2. Spatial Type

Vertical profile at Hanoi, Danang, and Tansonhoa stations


3. Launch frequency

Twice daily


4. Temporal coverage

begin 	Jan 08, 2021
end 	Mar 08, 2021


5. Station information

Hanoi: 
  Station number: 48820
  Latitude:   21.01 (degN)
  Longitude: 105.80 (degE)
  Elevation:   7.0  (m)

Danang: 
  Station number: 48855
  Latitude:   16.03 (degN)
  Longitude: 108.20 (degE)
  Elevation:   7.0  (m)

Tansonhoa: 
  Station number: 48900
  Latitude:   10.81 (degN)
  Longitude: 106.66 (degE)
  Elevation:  10.0  (m)


6. Files

[STATION]/[YYYY][MM][DD]_[HH][MM].txt

  [STATION]: Station name. Hanoi, Danang or Tansonhoa.
  [YYYY][MM][DD]_[HH][MM]: Launch date and time in UTC


7. Missing observation

The following observations at the Hanoi station are missing.

00Z Feb 27, 2021 (No GPS signal)
12Z Mar 03, 2021 (No GPS signal)
12Z Mar 04, 2021 - 12Z Mar 08, 2021 (No observation due to the balloon house facility repair)


8. Remarks.

If you have questions and comments on this dataset, contact ymc-joffice@jamstec.go.jp.