Figure 4From: Improvements of volcanic ash fall forecasts issued by the Japan Meteorological Agency Flowchart of procedure for tephra-fall predictions using the JMA Regional Atmospheric Transport Model. Meso-scale Model (MSM) and Local Forecast Model (LFM) are gridded weather data (e.g., wind speed and direction, air temperature, atmospheric pressure) calculated by using the JMA numerical weather prediction model based on the Non-hydrostatic Model (NHM).Back to article page