Data: Monthly 925 hPa wind components on
a 2.5 x 2.5 deg. lat/lon grid
Base period for climatology: 1961-1990
Source: NCEP,
Reanalysis
Description: Vector wind anomaly for the
past 4 months. Contours and shading indicate speed of anomalous wind
in m/s. Contour interval is 3 m/s. NCEP is an acronym for the
US National Centers for Environmental Prediction.
