Artificial Intelligence for Nowcasting Pilot Project Asian Nowcasting intercomparison(AINPP)

The Intercomparison in Asia

• Time:

May to July 2025.

• Participants:

CMA, CIMSS, Microsoft, HKO, KMA, RIKEN, VNMHA, TMD, Nvidia Corporation, and More Southeast Asia countries will be invited.

• Nowcasting area:

Lightning nowcasting: 99～120°E, 8～28°N.

QPF & Radar echo extrapolation: 109～118°E, 20～26°N

Figure 2 The Asia intercomparison activity

The Asia intercomparison activity, shown in Figure 1, is an integral part of the WMO AINPP. The endeavor is structured to facilitate the evaluation of nowcasting products through a collaborative framework encompassing both providers and recipients within the Asian region.

Products Type	Product Providers	Providing method	Source data	Leading time/hour	Spatial-temporal resolution
Thunder-storm	CMA	Local install	FY4B	2	10min/4km
Thunder-storm	CIMSS	Transfer online	Himawari9	1	60min/8km
QPF	Microsoft	Transfer online	FY4/Himawari9/radar	3	10min/1km
	HKO	Transfer online	FY4/Himawari9/radar	4	10min/2km
	CMA	Local install	QPE	3	10min/1km
	GDMO	Transfer online	Radar	3	60min/1km
	RIKEN	Transfer online	GSMaP	6	60min/10km
	KMA	Transfer online	Radar	6	10min/1km
	SZMB	Local install	Radar	3	6min/1km
Radar echo	CMA	Transfer online	Radar	2	6min/1km
	GDMO	Transfer online	Radar	3	6min/1km
	Microsoft	Transfer online	Radar	4	10min/1km
	SZMB	Local install	Radar	3	6min/1km

Table 1 The participants and products of Asia intercomparison