IRI Analyses WASP WASP-CAMS-OPI-v0208_1-Month: CAMS-OPI-v0208_WASP1 data

CAMS-OPI-v0208_WASP1 from IRI Analyses WASP: Weighted Anomaly of Standardized Precipitation Index analyses of multiple global precipitation data sets.

Independent Variables (Grids)

Time (time)
grid: /T (months since 1960-01-01) ordered (Jan 1979) to (May 2025) by 1.0 N= 557 pts :grid
Longitude (longitude)
grid: /X (degree_east) periodic (1.25E) to (1.25W) by 2.5 N= 144 pts :grid
Latitude (latitude)
grid: /Y (degree_north) ordered (88.75S) to (88.75N) by 2.5 N= 72 pts :grid

Other Info

CE
3.5
colorscalename
std_wasp_colors
CS
-3.5
datatype
realarraytype
file_missing_value
-999.0
gridid
164735872
maxncolor
254
missing_value
NaN
pointwidth
1.0
scale_max
3.5
scale_min
-3.5
standard_name
time
units
unitless
history
[ ( { [ ( NOAA NCEP CPC CAMS_OPI v0208 mean prcp ) - ( NOAA NCEP CPC CAMS_OPI v0208 mean prcp climatology ) ] / masklt [ root mean sq ( { NOAA NCEP CPC CAMS_OPI v0208 mean prcp } - { NOAA NCEP CPC CAMS_OPI v0208 mean prcp climatology } ) , 0.01 ] } * { [ NOAA NCEP CPC CAMS_OPI v0208 mean prcp climatology ] / masklt [ ( mean { NOAA NCEP CPC CAMS_OPI v0208 mean prcp climatology } * 12. ) , 0.001 ] } ) * 12. ] / masklt [ root mean sq anom ( { [ ( { NOAA NCEP CPC CAMS_OPI v0208 mean prcp } - { NOAA NCEP CPC CAMS_OPI v0208 mean prcp climatology } ) / masklt ( root mean sq { [ NOAA NCEP CPC CAMS_OPI v0208 mean prcp ] - [ NOAA NCEP CPC CAMS_OPI v0208 mean prcp climatology ] } , 0.01 ) ] * [ ( NOAA NCEP CPC CAMS_OPI v0208 mean prcp climatology ) / masklt ( { mean [ NOAA NCEP CPC CAMS_OPI v0208 mean prcp climatology ] * 12. } , 0.001 ) ] } * 12. ) , 0.01 ]
Averaged over T2[1979, 2024] minimum 0.0% data present
[ masklt / masklt ] [ mean ( NOAA NCEP CPC CAMS_OPI v0208 mean prcp climatology ) , 0.25 ]
mean [ NOAA NCEP CPC CAMS_OPI v0208 mean prcp climatology ]
Averaged over T2[1979, 2024] minimum 0.0% data present
Averaged over T[Jan, Dec] minimum 0.0% data present
colorscale

References

Lyon, B., 2004: The strength of El NiƱo and the spatial extent of tropical drought. Geophys. Res. Lett., 31, L21204.

Lyon, B., and A. G. Barnston, 2005: ENSO and the spatial extent of interannual precipitation extremes in tropical land areas. J. Climate, 18, 5095-5109.

Last updated: Wed, 04 Jun 2025 14:02:59 GMT
Expires: Tue, 01 Jul 2025 00:00:00 GMT

Data Views

TXY
[ T | X Y]MMM