Frequency and Timing of Forecasts and Warnings for Widespread Heavy Rain

00:54, 11/07/2024

Below is the notable content as stipulated in Circular 41/2016/TT-BTNMT which regulates the Technical Process of Forecasting and Warning of Dangerous Hydrometeorological Phenomena.

The frequency and timing for issuing forecasts and warnings of widespread heavy rain are governed by Circular 41/2016/TT-BTNMT as follows:

- National Meteorological and Hydrological Forecast and Warning System:

- Forecast and warning bulletins for widespread heavy rain within 24 hours: Issued 4 times per day at 4:30, 9:30, 15:30, and 21:30; in cases of exceptionally heavy or very dangerous rain, additional bulletins may be issued between the main bulletins.- Forecast and warning bulletins for widespread heavy rain within 24 to 72 hours: Issued 2 times per day at 4:30 and 15:30;- Forecast and warning bulletins for widespread heavy rain over 72 hours: Issued once per day at 15:30;

- Organizations and individuals outside the national meteorological and hydrological forecast and warning system may decide the frequency and timing for issuing their forecast and warning bulletins for widespread heavy rain as appropriate to actual conditions.

More details can be found in Circular 41/2016/TT-BTNMT effective from February 10, 2017.

- Thanh Lam -

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