GB/T 28594-2021Weather nowcasting (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

This standard replaces GB/T 28594-2012 "Nearby Weather Forecast". Compared with GB/T 28594-2012, except for editorial changes, The main technical changes are as follows.

---Added normative reference documents (see Chapter 2);

---Modified the terms and definitions of nowcasting, forecast timeliness, short-term heavy precipitation, etc. (see 3.1, 3.2 and 3.5, 2012 edition 2.1, 2.2 and 2.3);

--- Deleted the terms and definitions of spatial resolution (see 3.2 in the 2012 edition);

---Added the terms and definitions of convective weather, thunder and lightning, thunderstorm and gale, hail, tornado and fog (see 3.3, 3.4, 3.6, 3.7, 3.8 and 3.9);

---Modified the forecast object (see 4.1, 3.3 in the 2012 edition);

---The requirement has been deleted (see 3.4 in the 2012 edition);

---Modified the production process (see 5.1, 4.1 of the 2012 edition);

---Modified the forecast products (see 5.2, 4.2 of the 2012 edition);

---Added forecast release and forecast verification (see Chapter 6 and Chapter 7).

1 Scope

This standard specifies the forecast content, forecast production, forecast release and forecast verification of nowcasting.

This standard applies to the production, release, inspection and use of near-weather weather forecasts.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated reference documents, the latest version (including all amendments) is applicable to this document.

QX/T 204-2013 Close-up weather forecast inspection

3 Terms and definitions

The following terms and definitions apply to this document.