ESO WEATHER WATCH: Accuracy

Pressure

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

Error in mB

mean mean absolute rms

ECMWF analysis 1.9/1.7 1.9/1.8 0.9/0.9

Kalman Filter 0.1/0.2 0.7/0.5 0.6/0.5

12-hour forecast 2.4/2.2 2.4/2.3 0.9/0.8