Weathernews provides various meteorological data calculated on 1km or 5km mesh grids for any latitude and longitude within Japan. This service is designed to support highly accurate power generation forecasting for the electricity market.
Dataset
Point
Point Resolution
Time Interval
Update Frequency
Time Range
Note
Lat / Lon
1km Mesh
10 minutes
Every 10 minutes
2.5 hours ahead
-
Lat / Lon
1km Mesh
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Temperature, global solar radiation, etc.
Lat / Lon
1km Mesh
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Temperature, global solar radiation, variance values, etc.
Lat / Lon
1km Mesh
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Wind direction and speed at specified heights, etc.
Lat / Lon
1km Mesh
30 minutes
5 times per day
Up to 72 hours ahead
-
Lat / Lon
AMeDAS Observation Point
30 minutes
Once per day
14 days ahead
Temperature, global solar radiation, etc.
Lat / Lon
AMeDAS Observation Point
1 day
Once per day
14 days ahead
Temperature, daily weather summary, etc.
Lat / Lon
AMeDAS Observation Point
30 minutes
2 times per week
720 hours (30 days)
Temperature, global solar radiation, etc.
Lat / Lon
1km Mesh
30 minutes
Every 30 minutes
-
-
Lat / Lon
1km Mesh
30 minutes
Every 30 minutes
-
-
Solar Radiation Nowcast
Element
Point
Mesh Size
Time Interval
Update Frequency
Time Range
Temperature
Lat / Lon
1km
10 minutes
Every 10 minutes
2.5 hours ahead
Global Solar Radiation
Lat / Lon
1km
10 minutes
Every 10 minutes
2.5 hours ahead
Global Solar Radiation (past 10 minutes)
Lat / Lon
1km
10 minutes
Every 10 minutes
2.5 hours ahead
Precipitation (past 10 minutes)
Lat / Lon
1km
10 minutes
Every 10 minutes
2.5 hours ahead
Snowfall (past 10 minutes)
Lat / Lon
1km
10 minutes
Every 10 minutes
2.5 hours ahead
Wind Direction
Lat / Lon
1km
10 minutes
Every 10 minutes
2.5 hours ahead
Wind Speed
Lat / Lon
1km
10 minutes
Every 10 minutes
2.5 hours ahead
Dew Point Temperature
Lat / Lon
1km
10 minutes
Every 10 minutes
2.5 hours ahead
Relative Humidity
Lat / Lon
1km
10 minutes
Every 10 minutes
2.5 hours ahead
Weather
Lat / Lon
1km
10 minutes
Every 10 minutes
2.5 hours ahead
Standard Set
Element
Point
Mesh Size
Time Interval
Update Frequency
Time Range
Temperature
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Global Solar Radiation
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Global Solar Radiation (past 30 minutes)
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Precipitation (past 30 minutes)
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Snowfall (past 30 minutes)
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Wind Direction
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Wind Speed
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Dew Point Temperature
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Relative Humidity
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Weather
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Premium Dataset
Element
Point
Mesh Size
Time Interval
Update Frequency
Time Range
Temperature
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Temperature Upper Range
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Temperature Lower Range
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Global Solar Radiation
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Global Solar Radiation (past 30 minutes)
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Global Solar Radiation Upper Range
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Previous 30min Global Solar Radiation Upper Range
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Global Solar Radiation Lower Range
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Previous 30min Global Solar Radiation Lower Range
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Direct Solar Radiation
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Diffuse Solar Radiation
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Precipitation (past 30 minutes)
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Snowfall (past 30 minutes)
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Wind Direction
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Wind Speed
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Dew Point Temperature
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Relative Humidity
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Sea Level Pressure
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Weather
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Wind Dataset
Element
Point
Mesh Size
Time Interval
Update Frequency
Time Range
Temperature
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Precipitation (past 30 minutes)
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Snowfall (past 30 minutes)
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Surface Wind Direction
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Surface Wind Speed
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Wind Direction at Specified Height
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Wind Speed at Specified Height
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Dew Point Temperature
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Relative Humidity
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Weather
Lat / Lon
1km
30 minutes
5 times per day or every 30 minutes
Up to 72 hours ahead
Snow Forecast
Element
Point
Mesh Size
Time Interval
Update Frequency
Time Range
Snow Depth
Lat / Lon
1km
30 minutes
5 times per day
Up to 72 hours ahead
Supply and Demand Planning (Weekly)
Element
Point
Mesh Size
Time Interval
Update Frequency
Time Range
Temperature
Lat / Lon
5km
30 minutes
Once per day
14 days ahead
Global Solar Radiation
Lat / Lon
5km
30 minutes
Once per day
14 days ahead
Precipitation
Lat / Lon
5km
30 minutes
Once per day
14 days ahead
Snowfall
Lat / Lon
5km
30 minutes
Once per day
14 days ahead
Wind Direction
Lat / Lon
5km
30 minutes
Once per day
14 days ahead
Wind Speed
Lat / Lon
5km
30 minutes
Once per day
14 days ahead
Dew Point Temperature
Lat / Lon
5km
30 minutes
Once per day
14 days ahead
Relative Humidity
Lat / Lon
5km
30 minutes
Once per day
14 days ahead
Weather
Lat / Lon
5km
30 minutes
Once per day
14 days ahead
Supply and Demand Planning (Weekly/Daily)
Element
Point
Mesh Size
Time Interval
Update Frequency
Time Range
Temperature
Lat / Lon
5km
1 day
Once per day
14 days ahead
Maximum Temperature
Lat / Lon
5km
1 day
Once per day
14 days ahead
Minimum Temperature
Lat / Lon
5km
1 day
Once per day
14 days ahead
Global Solar Radiation
Lat / Lon
5km
1 day
Once per day
14 days ahead
JMA Normal Maximum Temperature
Lat / Lon
5km
1 day
Once per day
14 days ahead
JMA Normal Minimum Temperature
Lat / Lon
5km
1 day
Once per day
14 days ahead
Daily Weather Summary
Lat / Lon
5km
1 day
Once per day
14 days ahead
Supply and Demand Planning (Monthly)
Element
Point
Mesh Size
Time Interval
Update Frequency
Time Range
Temperature
Lat / Lon
20km
30 minutes
2 times per week
720 hours (30 days)
Global Solar Radiation
Lat / Lon
20km
30 minutes
2 times per week
720 hours (30 days)
Precipitation
Lat / Lon
20km
30 minutes
2 times per week
720 hours (30 days)
Wind Direction
Lat / Lon
20km
30 minutes
2 times per week
720 hours (30 days)
Wind Speed
Lat / Lon
20km
30 minutes
2 times per week
720 hours (30 days)
Dew Point Temperature
Lat / Lon
20km
30 minutes
2 times per week
720 hours (30 days)
Relative Humidity
Lat / Lon
20km
30 minutes
2 times per week
720 hours (30 days)
Weather
Lat / Lon
20km
30 minutes
2 times per week
720 hours (30 days)
Analysis Data
Element
Point
Mesh Size
Time Interval
Update Frequency
Time Range
Temperature
Lat / Lon
1km
30 minutes
Every 30 minutes
ー
Global Solar Radiation
Lat / Lon
1km
30 minutes
Every 30 minutes
ー
Global Solar Radiation (past 30 minutes)
Lat / Lon
1km
30 minutes
Every 30 minutes
ー
Precipitation (past 30 minutes)
Lat / Lon
1km
30 minutes
Every 30 minutes
ー
Snowfall (past 30 minutes)
Lat / Lon
1km
30 minutes
Every 30 minutes
ー
Wind Direction
Lat / Lon
1km
30 minutes
Every 30 minutes
ー
Wind Speed
Lat / Lon
1km
30 minutes
Every 30 minutes
ー
Dew Point Temperature
Lat / Lon
1km
30 minutes
Every 30 minutes
ー
Relative Humidity
Lat / Lon
1km
30 minutes
Every 30 minutes
ー
Weather
Lat / Lon
1km
30 minutes
Every 30 minutes
ー
Snow Analysis Data
Element
Point
Mesh Size
Time Interval
Update Frequency
Time Range
Snow Depth
Lat / Lon
1km
30 minutes
Every 30 minutes
ー
