Figure 1
From: Improvements of volcanic ash fall forecasts issued by the Japan Meteorological Agency
Example of a VAFF as issued under the present system. Translations from Japanese as numbered below. *1 Volcano name: Sakurajima volcano. *2 Forecast title. *3 Time of issue: 13:50 JST June 13, 2013. *4 Summary: An eruption at 13:26 (JST) on June 13 produced a plume that extended to 3300 m above the crater. Ash may fall in Kagoshima and Miyazaki Prefectures. This forecast is valid until 19:00 (JST) on June 13. *5 Responsible observatory: Fukuoka Regional Headquarters and Kagoshima Local Meteorological Office *6 Legend. “red filled area”: Forecast areal extent of ash fall at approximately 1-h intervals after onset of eruption. *7 Time at which map of forecast extent of ash fall (*8) applies: 17:00 (JST) on June 13. *8 Forecast areal extent of ash fall.