China Ionospheric Forecast and Navigation Impact Visualization System
10-30当天 10-31+24h 11-01+48h 11-02+72h

foF2 Critical Frequency

Province-Masked 256 × 256 Display Grid
foF2 Distribution
Model Product
Maximum foF2
—MHz
Minimum foF2
—MHz
Mean foF2
—MHz
Peak Location
—
Loading regional data…
149 Model Altitude Levels
Vertical Density Profile
Selected Point
Select a point in the seven provincesClick inside a province to load the true vertical profile for the current hour.
Altitude
300 km
UTC Forecast Hour
08:00

Regional fields use a 256 × 256 display grid interpolated from the global model output and clipped to the boundaries of Guangdong, Guangxi, Hainan, Fujian, Hong Kong, Macau and Taiwan.

NSMC NCSW Guangdong Meteorological Administration Nanchang University