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HOME > Ensemble Model Prediction > Warm/Cold Season Prediction > Tropics and Asia

Warm/Cold Season Prediction (Tropics and Asia)

This product is displayed for use by National Meteorological and Hydrological Services (NMHSs). It does not constitute an official forecast for any nation.

Forecast Maps

initial date

Forecast range : 3 months mean
[initial : Feb,Mar,Apr
=> average of JJA (for warm season outlook)]
[initial : Sep,Oct
=> average of DJF (for cold season outlook)]


ensemble mean forecast
ensemble mean forecast (mask [msss < 0] area)
msss : Mean Square Skill Score
spread and anomaly

coresponding verification

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

Contour show forecast, and shaded patterns and vector show anomalies. Contour interval
CHI200 : 2x1.0E6m2/s
RAIN : 2mm/day
Z500 : 60m(area:60N-60S), 20m(area:Asia)
TS : 4C
SST : 2C
PSI200 : 16x1.0E6m2/s(area:60N-60S), 4x1.0E6m2/s(area:Asia)
PSI850 : 5x1.0E6m2/s(area:60N-60S), 2x1.0E6m2/s(area:Asia)
PSEA : 4hPa

Contour show spread, and shaded patterns show anomalies. Contour interval
CHI200 : 1x1.0E6m2/s
RAIN : 1mm/day
Z500 : 10m
TS : 1C
PSI200 : 2x1.0E6m2/s
PSI850 : 1x1.0E6m2/s
PSEA : 1hPa

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