ETA-RUC STATISTICAL COMPARISON


JANUARY 2003 Operational 20-km RUC vs ETA-12


UPPER AIR RMS STATISTICS (06 and 12-hour forecasts)

vector wind RMS error
ETA vs RUC
temperature RMS error
ETA vs RUC
RMS RH error
ETA vs RUC
RMS height error
ETA vs RUC
vector wind bias
Real-time RUC-20 parallel
temperature bias
Real-time RUC-20 parallel
RH bias
Real-time RUC-20 parallel
height bias
Real-time RUC-20 parallel


JULY 2003 Operational 20-km RUC vs ETA-12


UPPER AIR RMS STATISTICS (06 and 12-hour forecasts)

vector wind RMS error
Real-time RUC-20 parallel
temperature RMS error
Real-time RUC-20 parallel
RMS RH error
Real-time RUC-20 parallel
RMS height error
Real-time RUC-20 parallel
vector wind bias
Real-time RUC-20 parallel
temperature RMS error
Real-time RUC-20 parallel
RMS RH error
Real-time RUC-20 parallel
RMS height error
Real-time RUC-20 parallel


DISCLAIMER

PRIVACY / COLLECTION OF INFORMATION STATEMENT