Data Library ENSO Bulletins Climate Impacts Long x Time SST Plots Surface Wind Thermocline Time Series Tropical Atm Circulation Long x Time 925hPa Zonal Wind OLR Anomaly OLR SST Anomaly SST Anomaly Sub Sfc Anom Vpot Anomaly Zonal Wind help@iri Printable Page

Pentad Observed and Anomalous Zonal Wind

OBSERVED ZONAL WIND (m/s)	ANOMALOUS ZONAL WIND (m/s)

Data:   Daily zonal (east-west) wind component on a 2.5 x 2.5 deg. lat/lon grid Base Period for Climatology:  1961-1990 Data Source:  NCEP, Reanalysis Description:  Pentad (5-day average) zonal (east-west) wind component averaged from 5S to 5N in units of m/s.  Contours are drawn at intervals of 2 m/s.  For observed winds, negative values indicate easterlies; positive values westerlies.  NCEP is an acronym for the US NAtional Centers for Environmental Prediction.