Summer and Winter Precipitation Predictions over North America

1
Summer and Winter
Precipitation Predictions over North America
with
the Eta Regional Climate Model
Eta RCM Winter Results
SST Climo and Anomaly Comparison (00-04 99)
Monsoon Event
SST Climo and Anomaly
Obs
CFS
Obs
CFS - Obs
CFS - Obs
Conclusions/Future Directions

• 1983 Winter ENSO event Eta RCM shows less skill
  than CFS
• 1999 Summer monsoon Eta RCM is modestly
  better than CFS
• Biased Corrected SST test
• T126 test (High Res)
• Anomalies add on Climo SST test
• Domain size test

JFM Mean Precip Comparison
CFS
Eta RCM
CPC Obs
JJA Mean Precip Comparison
Eta RCM
Obs
CFS
93 R2
TMP2m Comparison
NARR
Eta RCM
CFS
TMP2m Comparison
NARR
Eta RCM
CFS
200 mb GPH comparison
Eta RCM
200 mb GPH comparison
CFS
GR2
Eta RCM
GR2
CFS