Data Library ∂X [ NOAA NCEP-NCAR CDAS-1 MONTHLY Diagnostic above_ground qa ]
X1.875W - 1.875W
Y89.49403S - 89.49403N
Z2 m_above_gnd
TJan 1949 - Mar 2024
served from IRI/LDEO Climate Data Library

∂X [ NOAA NCEP-NCAR CDAS-1 MONTHLY Diagnostic above_ground qa ]: ∂X Specific humidity data

MONTHLY Diagnostic above_ground qa ∂X Specific humidity from NOAA NCEP-NCAR CDAS-1: Climate Data Assimilation System I; NCEP-NCAR Reanalysis Project.

Independent Variables (Grids)

Time (time)
grid: /T (months since 1960-01-01) ordered (Jan 1949) to (Mar 2024) by 1.0 N= 903 pts :grid
Longitude (longitude)
grid: /X (degree_east) periodic (0.9375W) to (2.8125W) by 1.875 N= 192 pts :grid
Latitude (latitude)
grid: /Y (degree_north) ordered [ (88.54196N) (86.65315N) (84.75323N) (82.85076N) (80.94736N) (79.04349N) (77.13936N) (75.23506N) (73.33066N) (71.42619N) (69.52167N) (67.6171N) (65.71251N) (63.8079N) (61.90326N) (59.99861N) (58.09395N) (56.18928N) (54.28461N) (52.37991N) (50.47522N) (48.57052N) (46.66582N) (44.76111N) (42.8564N) (40.95169N) (39.04697N) (37.14225N) (35.23753N) (33.33281N) (31.42808N) (29.52336N) (27.61863N) (25.7139N) (23.80917N) (21.90444N) (19.99971N) (18.09498N) (16.19024N) (14.28551N) (12.38078N) (10.47604N) (8.571308N) (6.666573N) (4.761838N) (2.857103N) (0.9523677N) (0.9523677S) (2.857103S) (4.761838S) (6.666573S) (8.571308S) (10.47604S) (12.38078S) (14.28551S) (16.19024S) (18.09498S) (19.99971S) (21.90444S) (23.80917S) (25.7139S) (27.61863S) (29.52336S) (31.42808S) (33.33281S) (35.23753S) (37.14225S) (39.04697S) (40.95169S) (42.8564S) (44.76111S) (46.66582S) (48.57052S) (50.47522S) (52.37991S) (54.28461S) (56.18928S) (58.09395S) (59.99861S) (61.90326S) (63.8079S) (65.71251S) (67.6171S) (69.52167S) (71.42619S) (73.33066S) (75.23506S) (77.13936S) (79.04349S) (80.94736S) (82.85076S) (84.75323S) (86.65315S) (88.54196S)] :grid
Height
grid: /Z (m_above_gnd) ordered [ (2)] :grid

Other Info

bufferwordsize
4
calendar
standard
center
US Weather Service - National Met. Center
datatype
realarraytype
file_missing_value
9.99900026E20
grib_name
SPFH
gribfield
1
gribleveltype
105
gribNumBits
12
gribparam
51
gribvariable
51
missing_value
NaN
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
57.2957795130823 radian-1 east

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: Fri, 19 Apr 2024 14:00:46 GMT
Expires: Fri, 03 May 2024 00:00:00 GMT

Data Views

TXYZ
[ X Y | Z 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 T | X Y X T Y T | X Y T |
RMS (root mean square with mean *not* removed) over X Y T | X Y X T Y T | X Y T |
RMSA (root mean square with mean removed) over X Y T | X Y X T Y T | X Y T |
Maximum over X Y T | X Y X T Y T | X Y T |
Minimum over X Y T | X Y X T Y T | X Y T |
Detrend (best-fit-line) over X Y T | X Y X T Y T | X Y T |
Convert units from 57.2957795130823 radian-1 east to

Note on units