Verification maps of three-month forecast

Verification Maps

forecast period

initial date

corresponding recent forecast

(from top to bottom)
top : Contours show 500hPa height in an interval of 60m.
middle : Contours show 850hPa temperature in an interval of 3C.
bottom : Contours show sea level pressure in an interval of 4hPa.

(from left to right)
left : analysis (Shaded patterns show anomalies.)
middle : ensemble mean forecast (Shaded patterns show anomalies.)
right : error of the forecast (Shaded patterns show errors.)

LT : lead time(day)
kt : lead time(hour)

ACOR : anomaly correlation
RMSE : root mean square error
fcst : ensemble mean forecast
clim : climate forecast
pers : persistency forecast

NH : 0-360,20N-90N
EU : 0-180,20N-90N
PAC : 90E-90W,20N-90N
JPN : 100E-170E,20N-60N

Verification of Three-month Prediction (Northern Hemisphere)

Verification Maps