GB/T 44213-2024Weather forecast verification—Severe convective weather (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting is required.

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document was proposed by the China Meteorological Administration.

This document is under the jurisdiction of the National Technical Committee for Standardization of Meteorological Disaster Prevention and Mitigation (SAC/TC 345).

This document was drafted by: National Meteorological Center.

The main drafters of this document are Tang Wenyuan, Lan Yu, Cao Yancha, Mao Xu and Han Xuqing.

Weather forecast verification of severe convective weather

1 Scope

This document specifies the verification content and verification indicators for severe convective weather forecasts, and describes the calculation of TS scores and the determination of actual information. method.

This document is applicable to quality assessment, business management, etc. of severe convective weather forecasts.

2 Normative references

This document has no normative references.

3 Terms and definitions

The following terms and definitions apply to this document.

4 Inspection contents and inspection indicators

The inspection content includes the forecast of severe convective weather events such as short-term heavy rainfall, thunderstorms, hail, tornadoes, etc. Inspection indicators include TS score, hit rate, false alarm rate, missed alarm rate and forecast deviation. Table 1 specifies the inspection contents and inspection indicators for severe convective weather.

Table 1 Inspection contents and inspection indicators for severe convective weather Inspection content Inspection indicators TS score, hit rate, false alarm rate, missed alarm rate and forecast deviation of short-term heavy precipitation forecast TS score, hit rate, false alarm rate, missed alarm rate and forecast deviation of thunderstorm and gale forecast Hail forecast TS score, hit rate, false alarm rate, missed alarm rate and forecast deviation Tornado forecast TS score, hit rate, false alarm rate, missed alarm rate and forecast deviation