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HKO Computer Forecast Weather Map
Surface
Weather
Temperature
Mean Sea Level Pressure
Relative Humidity & Streamline
Wind Speed & Wind Direction
 
850 hPa
Approx. altitude: 1500m
Vorticity & Streamline
Wind Speed & Wind Direction
 
700 hPa
Approx. altitude: 4500m
Relative Humidity & Streamline
Wind Speed & Wind Direction
 
500 hPa
Approx. altitude: 5600m
Geopotential Height
Wind Speed & Wind Direction
 
200 hPa
Approx. altitude: 12000m
Jet Stream & Streamline
Wind Speed & Wind Direction
 
These prognostic charts start updating at 03 HKT, 09 HKT, 15 HKT, 21 HKT everyday.

For background information on forecast weather map, please click here.

The computer forecast weather maps are generated by the Observatory's computer model directly without manual adjustment and the forecast weather conditions described in the products may be different from that in the weather forecasts issued by the Observatory. For a full assessment of the weather situation, the public should refer to the official forecasts issued by the Observatory and/or the respective local meteorological authorities.

Please refer to the following official forecasts/bulletins by relevant meteorological authorities -

Hong Kong:
http://www.weather.gov.hk/contente.htm

For other places:
http://worldweather.wmo.int
 2003 | Important notices | Privacy policy Last revision date: <10 Aug 2011>