Click or tap on map to select location to view 2m temperatures, 850hPa temperatures, mean surface level pressure or precipitation.
The selected 35 day chart will be loaded in a new window
Charts showing all individual model pertubations for days 0 to 16 are available on the Ensemble forecast viewer
The 16 daymodel updates 4 times per day 07:15 GMT, 13:15 GMT, 19:15 GMT, 01:15 GMT
The 35 day model updates daily using the 00z data. It takes approximately 24 hours for NCEP to complete the full run.