ESO WEATHER WATCH: Accuracy

Temperature

Forecasts at Paranal at 00UT/12UT, 1999-2000

Error in Celsius

mean mean absolute rms

ECMWF analysis 0.7/0.8 1.2/1.1 0.8/0.7

Kalman Filter -0.3/-0.3 1.2/0.8 1.1/0.7

12-hour forecast 0.2/0.5 1.0/1.1 0.7/0.8