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Nowcasting Products
SWIRLS
Aviation Nowcasting
Seamless Nowcasting Support
Blending with NWP
Rainfall Nowcast
Severe Weather Nowcast
Support for Warning Operation
Public Nowcast Services
Verification Schemes
Data Archival
Com-SWIRLS
About
Downloads
Research Development
SWIRLS-App
Deep Learning
Satellite Nowcast
Advanced Cloud Analysis
Calibration of Z-R Relationship
Verification
Collaborations
International Projects
SWIRLS Users
Training
HKO nowcasting systems provide rapid-update products in support of forecasting or alerting high-impact weather at different spatial and temporal scales.