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Home > Services > Dissemination > 3.1 > Meteorological Bulletin M3.1 > Seasonal Forecasting System 3 > 
 GRIB section 1 definition for Seasonal Forecast System 3 data VarEPS Monthly Forecasting System  
   

Transmission of Seasonal Forecasting System products

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Description of System 3
Re-forecasts and pre-operational data
Seasonal forecast dissemination products
Seasonal Forecasting System 3 dissemination requirements
Seasonal forecast monthly means and monthly mean anomaly dissemination products
GRIB section 1 definition for Seasonal Forecast System 3 data
Transmission of Seasonal Forecasting System products
 
 

The dissemination file name convention used for the transmission of Seasonal Forecasting system 3 products is described in Section 12. Data stream indicator used for these products in dissemination file names is `L'.

 

Seasonal Forecasting System 3 products are prepared separately from other dissemination products, and are transmitted as one file per forecast month. Seasonal forecast products (STREAM=MMSF) which are requested using keyword STEP are also stored into these monthly dissemination files for the corresponding range of steps and are disseminated together with other seasonal products (MSMM and MMSA). Please, note that 00 UTC of the first day of the calendar month is taken as the beginning of the forecast month. Seasonal Forecasting System products are released for dissemination on the 15th of each month starting at 12 UTC. Default transmission priority for these products is 90.

Table 10.4 Dissemination schedule for the Seasonal Forecasting System products

Forecast time

Time Available

Forecast Month 1-7

12:00

 

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 GRIB section 1 definition for Seasonal Forecast System 3 data VarEPS Monthly Forecasting System  
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