1. Increased Participation of Members in World Weather Information Services (WWIS)

2. Short History
Established by CBS-XII (2000) as a Pilot Project led by Hong Kong Observatory (HKO)
To Provide a centralized source of official weather information
To encourage the use of official weather information
To enhance the visibility of NMHSs, especially LDCs, SIDSs

3. Latest Progress
136 Members supplying official forecasts for 2,663 cities
11 languages available
Revamped website launched in 2014, with mobile version, smoother navigation, GIS overlaying feature, current weather, sunrise/sunset

4. WWIS on Smartphone (MyWorldWeather)
MyWorldWeather available on iOS since late 2011
More than 180,000 copies was downloaded
MyWorldWeather available on Android since early 2013
About 100,000 was downloaded

5. Distribution of Forecast/Climatological Information Available on WWIS

6. Forecast Availability
WMO Members: 193
WWIS participants: 136 (57 Members not providing forecast to WWIS)
Forecast range:
1 or 2-day: 5%
3-day: 27%
4-day: 9%
>=5-day forecast: 59%
Members not providing forecast reliably# : 45%
Detailed performance on forecast submission:
# forecast available >=25 days in a month on average in the past year

7. Bridging the Gap Baseline : Forecast range: >=5 days
Forecast availability: >25 days in a month
Number of city (town) forecast: >=10 (may be relaxed for Members with small territory)

8. Option in case of Not Meeting Baseline
Only in the case of not meeting baseline (i.e. forecast range <5 days, forecast availability < 25 days in a month, or number of city forecast < 10):
Use ECMWF forecast freely available for the Member to compile their forecast to fill the gap
City forecast compiled by ECMWF data available on a password-protected website for reference by the Member
Seek Member agreeing on using the ECMWF city forecast for cities of his/her country/territory before releasing on the WWIS
ECMWF forecast
Member agrees

9. Let’s work together to enhance the authoritative voice of the WMO Community