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These are generated from Grid Point Value(GPV) data provided from Japan Meteorological Agency (JMA) calculated with "Global Spectral Model (GSM)" and "Meso Scale Model (MSM)". GPV data are obtained from "GFD-DENNOU Club" and the drawing program is GrADS.
These weather maps are automatically generated from GPV data which are the results of the computer simulation in JMA. So some contents may be inconsistent with the weather forecast of JMA or other weather forecasting services. And please use the data according to the fact that the results always include errors. We shall not be responsible for any loss, damages or troubles from using the data of this site.
It is forbidden to use on business. The reason is that it offends against the following requirements announced by GFD-DENNOU Club.
These data are provided for institutes or schools. If you use these data frequently, please purchase from Japan Meteorological Business Support Center(JMBSC) directly. (From the GFD-DENNOU Club's website. The original is written in Japanese)
The data of "GSM, Asia" and 1"GSM, Japan" are provided for 4 times per one day. The initial times are 00Z, 06Z, 12Z and 18Z, i.e., 9, 15, 21 and 3 in JST.
The data of "MSM, Japan" are provided for 8 times per one day. The initial times are 00Z, 03Z, 06Z, 09Z, 12Z, 15Z, 18Z and 21Z i.e., 9, 12, 15, 18, 21, 0, 3 and 6 in JST.
Data Type | Drawn Area | Time Interval | |
---|---|---|---|
GSM, Asia | Precipitation, Surface Pressure, Winds | About Lat.10° N ∼ lat.60° N About Lon.100° E ∼ lon.170° E | With 6 hours interval * The data from FT138(5.75 days after) ∼ FT264(11 days after) are provided only in the cases whose initial times are 0Z or 12Z (9JST or 21JST). |
Low Clouds | |||
High & Middle Clouds | |||
Surface Temperature | |||
300hPa Height, Vorticity, Winds | |||
500hPa Height, Vorticity, Winds | |||
850hPa Temperature, Winds, 700hPa Vertical Velocity(hPa/s) | |||
500hPa Temperature, 700hPa Dew Point Depression | |||
500hPa Height, Temperature | |||
850hPa Height, Temperature | |||
850hPa Winds, Equivalent Potential Temperature | |||
925hPa Winds, Equivalent Potential Temperature | |||
Showalter Stability Index (SSI) | |||
GSM, Japan | Precipitation, Surface Pressure, Winds | Lat.20° N ∼ lat.50° N Lon.120° E ∼ lon.150° E | FT0 ∼ FT84(3.5 days after) with 1 hour interval FT87 ∼ FT264(11 days after) with 3 hours interval * The data from FT135(5.625 days after) ∼ FT264(11 days after) are provided only in the cases whose initial times are 0Z or 12Z (9JST or 21JST). |
Low Clouds | |||
High & Middle Clouds | |||
Surface Temperature | |||
500hPa Height, Vorticity, Winds | FT0 ∼ FT84(3.5 days after) with 3 hours interval FT90 ∼ FT264(11 days after) with 6 hours interval* The data from FT138(5.75 days after) ∼ FT264(11 days after) are provided only in the cases whose initial times are 0Z or 12Z (9JST or 21JST). | ||
850hPa Temperature, Winds, 700hPa Vertical Velocity(hPa/s) | |||
500hPa Temperature, 700hPa Dew Point Depression | |||
500hPa Height, Temperature | |||
850hPa Height, Temperature | |||
850hPa Winds, Equivalent Potential Temperature | |||
925hPa Winds, Equivalent Potential Temperature | |||
Showalter Stability Index (SSI) | |||
MSM, Japan | Precipitation, Surface Pressure, Winds | Lat.22.5° N ∼ lat.47.5° N Lon.120° E ∼ lon.150° E | FT0 ∼ FT39(39 hours after) with 1 hour interval FT40 ∼ FT51(51 hours after) with 1 hour interval * The data from FT40 ∼ FT51 are provided only in the cases whose initial times are 0Z or 12Z (9JST or 21JST). |
Low Clouds | |||
High & Middle Clouds | |||
Surface Temperature | |||
500hPa Height, Vorticity, Winds | FT0 ∼ FT39(39 hours after) with 3 hours interval FT42 ∼ FT51(51 hours after) with 3 hours interval * The data from FT42 ∼ FT51 are provided only in the cases whose initial times are 0Z or 12Z (9JST or 21JST). | ||
850hPa Temperature, Winds, 700hPa Vertical Velocity(hPa/s) | |||
500hPa Temperature, 700hPa Dew Point Depression | |||
500hPa Height, Temperature | |||
850hPa Height, Temperature | |||
850hPa Winds, Equivalent Potential Temperature | |||
925hPa Winds, Equivalent Potential Temperature | |||
Showalter Stability Index (SSI) |