WMO Operational Newsletter:
Notification from Japan Meteorological Agency (JMA)
As from 00 UTC on 01 August 2018, JMA will begin to distribute Tropical Cyclone Track Forecast Bulletins with extended forecast range up to 132 hours ahead. This extension is accompanied by the extension of JMA's Global Spectral Model (GSM) forecast range for the initial time of 00, 06 and 18 UTC since June 5 this year, and will be applied to bulletins with headers of FXPQ2i (i=0~5). In addition, the bulletins for the western North Pacific and the South China Sea produced from the Global Ensemble Prediction System (GEPS) of JMA, currently sharing the header with the bulletins from GSM, will be issued with a new header of FXPQ3i (i=0~5).
The track forecasts of deterministic GSM for this region will continue to be provided with the current FXPQ2i header.
Published: 17 July 2018
http://www.wmo.int/pages/prog/www/ois/Operational_Information/Newsletters/current_news_en.html
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