Full Text of Regulations on the Dissemination of Traditional Weather Radar Information

18:08, 11/07/2024

The Ministry of Natural Resources and Environment has issued Circular 44/2017/TT-BTNMT stipulating technical regulations on weather radar observation and ozone - ultraviolet radiation.

The transmission of information from traditional weather radars is regulated by Circular 44 as follows:

- Method: automatic transmission and manual transmission in case of malfunction;- Transmitted products: PPIZ (αQT) and RHI products;- Transmission address: as prescribed.

Additionally, Circular 44 also details the transmission of information from Doppler weather radars and polarimetric weather radars as follows:

- Method: automatic transmission and manual transmission in case of malfunction;- Transmitted products: volume scan and derivative products;- Transmission address: as prescribed.

The measurement units and permissible errors for weather radars are regulated as follows:

- Doppler wind velocity (Vr)- Measurement unit: m/s- Permissible error: ±1.0 m/s- Radar reflectivity (Z)- Measurement unit: dBZ- Permissible error: ±1.0 dBZ- Spectrum width (σv)- Measurement unit: m/s- Permissible error: ±1.0 m/s

For more related regulations, refer to Circular 44/2017/TT-BTNMT effective from December 08, 2017.

- Thanh Lam -

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