Quantitative verification statistics for Parallel DGEX

Evaluation results for the Parallel DGEX

16 April - 05 Sept 2011, DGEX vs parallel DGEX (Precipitation scores from 11 May 2011 - 30 July 2011)

PRECIPITATION THREAT AND BIAS SCORES FOR CONUS DGEX

**78-186 hour forecasts**
DGEX parallel

**78-102 hour forecasts**
DGEX parallel

**90-114 hour forecasts**
DGEX parallel

**102-126 hour forecasts**
DGEX parallel

**114-138 hour forecasts**
DGEX parallel

**126-150 hour forecasts**
DGEX parallel

**138-162 hour forecasts**
DGEX parallel

**150-174 hour forecasts**
DGEX parallel

**162-186 hour forecasts**
DGEX parallel

UPPER AIR ERROR STATISTICS vs RAOBS (loops)

Parameter CONUS RMS Error CONUS Bias Error Alaska RMS Error Alaska Bias Error

Height X X X X

Temperature X X X X

Relative Humidity X X X X

Wind X X

Parameter	CONUS RMS Error	CONUS Bias Error	Alaska RMS Error	Alaska Bias Error
Height	X	X	X	X
Temperature	X	X	X	X
Relative Humidity	X	X	X	X
Wind	X		X

UPPER AIR ERROR STATISTICS vs RAOBS (forecasts at 24-h intervals on one plot)

Parameter CONUS RMS Error CONUS Bias Error Alaska RMS Error Alaska Bias Error

Height X X X X

Temperature X X X X

Relative Humidity X X X X

Wind X X

Parameter	CONUS RMS Error	CONUS Bias Error	Alaska RMS Error	Alaska Bias Error
Height	X	X	X	X
Temperature	X	X	X	X
Relative Humidity	X	X	X	X
Wind	X		X

NEAR-SURFACE STATISTICS

Parameter	Alaska	East CONUS	West CONUS
Shelter Temperature	00Z cycle 12Z cycle	06Z cycle 18Z cycle	06Z cycle 18Z cycle
10-m wind squared	00Z cycle 12Z cycle	06Z cycle 18Z cycle	06Z cycle 18Z cycle

NEAR-SURFACE STATISTICS - Diurnal RMS and Bias Error vs Observations

**2-M Temperature**
Alaska (00z cycle)
Alaska (12z cycle)
CONUS (06z cycle)
CONUS (18z cycle)

**2-M RH**
Alaska (00z cycle)
Alaska (12z cycle)
CONUS (06z cycle)
CONUS (18z cycle)

**10-M Wind Speed**
Alaska (00z cycle)
Alaska (12z cycle)
CONUS (06z cycle)
CONUS (18z cycle)

DISCLAIMER

PRIVACY / COLLECTION OF INFORMATION STATEMENT