Data: CAMS_OPI monthly precipitation climatology
on a 2.5 x 2.5 deg. lat/lon grid
Base Period for Climatology: 1961-1990 over
land, 1979-present over ocean areas
Data Source: NCEP, Climate Prediction Center
USA
Description:
Monthly change in climatological precipitation (in mm)
based on satellite precipitation estimates over ocean areas and rain guage
data over land regions. Change is for month indicated minus the previous
month. Contours are drawn at +/- 10, 25, 50, 100, 150, 200,250,...,500
mm. Green shading indicates precipitation is increasing; brown shading,
decreasing, respectively.
"CAMS" is an acronym for the "Climate Anomaly Monitoring
System" in use at the Climate Prediction Center (CPC) at the US National
Centers for Environmental Prediction (NCEP). "OPI" stands for "Outgoing
longwave radiation Precipitation Index" (the statellite precipitation estimates
are based on emitted longwave radiation observed by polar-orbiting satellite.) |