Data Library ∫dP ∂T [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel relv ]
X1.25W - 1.25W
Y91.25S - 91.25N
P[5.0 1037.5] mb
T16 Jan 1949 - 15 Oct 2025
served from maproom.nimet.gov.ng

∫dP ∂T [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel relv ] : ∂T Relative vorticity data

∫dP ∂T [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel relv ] .

Independent Variables (Grids)

P
grid: /P (mb) ordered [ (1037.5) (962.5) (887.5) (775.0) (650.0) (550.0) (450.0) (350.0) (275.0) (225.0) (175.0) (125.0) (85.0) (60.0) (40.0) (25.0) (15.0) (5.0)] :grid
Time (time)
grid: /T (months since 1960-01-01) ordered (16 Jan 1949 - 15 Feb 1949) to (16 Sep 2025 - 15 Oct 2025) by 1.0 N= 921 pts :grid
Longitude (longitude)
grid: /X (degree_east) periodic (0) to (2.5W) by 2.5 N= 144 pts :grid
Latitude (latitude)
grid: /Y (degree_north) ordered (90N) to (90S) by 2.5 N= 73 pts :grid

Other Info

bufferwordsize
8
calendar
standard
CE
null
center
US Weather Service - National Met. Center
CS
null
datatype
doublearraytype
grib_name
RELV
gribfield
1
GRIBgridcode
2
gribleveltype
100
gribNumBits
13
gribparam
43
gribvariable
43
PDS_TimeRange
113
pointwidth
1.0
process
62 wave triangular, 28 layer Spectral model from "Medium Range Forecast" run
PTVersion
2
subcenter
NCEP Ensemble Products
units
1200 kilogram meter-1 second-3 year-1

References

Kalnay, E., M. Kanamitsu, R. Kistler, W. Collins, D. Deaven, L. Gandin, M. Iredell, S. Saha, G. White, J. Woollen, Y. Zhu, A. Leetmaa, B. Reynolds, M. Chelliah, W. Ebisuzaki, W. Higgins, J. Janowiak, K. C. Mo, C. Ropelewski, J. Wang, R. Jenne, and D. Joseph. The NCEP/NCAR 40-Year Reanalysis Project. Bulletin of the American Meteorological Society, March, 1996

Last updated: Mon, 03 Nov 2025 15:04:49 GMT
Expires: Wed, 03 Dec 2025 00:00:00 GMT

Data Views

PTXY
[ X Y | P T]MMMM


Filters

Here are some filters that are useful for manipulating data. There are actually many more available, but they have to be entered manually. See Ingrid Function Documentation for more information. Average over X Y P T | X Y X P X T Y P Y T P T | X Y P X Y T X P T Y P T | X Y P T |
RMS (root mean square with mean *not* removed) over X Y P T | X Y X P X T Y P Y T P T | X Y P X Y T X P T Y P T | X Y P T |
RMSA (root mean square with mean removed) over X Y P T | X Y X P X T Y P Y T P T | X Y P X Y T X P T Y P T | X Y P T |
Maximum over X Y P T | X Y X P X T Y P Y T P T | X Y P X Y T X P T Y P T | X Y P T |
Minimum over X Y P T | X Y X P X T Y P Y T P T | X Y P X Y T X P T Y P T | X Y P T |
Detrend (best-fit-line) over X Y P T | X Y X P X T Y P Y T P T | X Y P X Y T X P T Y P T | X Y P T |
Convert units from 1200 kilogram meter-1 second-3 year-1 to

Note on units