contributed.ncl functions

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addfiles_GetVar Creates a reference that spans multiple data files and returns metadata. (deprecated: see addfiles)
advect_variable Use "highly accurate" spherical harmonics to estimate gradients and advect a variable horizontally on a global rectilinear grid.
advect_variable_cfd Using centered-finite_differences (cfd) to estimate gradients, advect a variable horizontally on a regional or global rectilinear grid.
albedo_ccm Computes albedo via CESM model radiation variables.
area_conserve_remap_Wrap Performs areal conservative remapping from one rectilinear grid to another and retains metadata.
area_hi2lores_Wrap Interpolates from high resolution rectilinear grids to low resolution rectilinear grids using local area averaging and retains metadata.
array_append_record Attaches [appends] additional records [leftmost dimension] to a previously existing array.
assignFillValue Transfers the _FillValue attribute from one variable to another.
beta_dfdy_rossby Compute the Rossby parameter [beta=df/dy] which is the meridional variation of the Coriolis parameter.
brunt_vaisala_atm Compute the Brunt-Vaisala frequency which is a measure of bouyancy in a continuously stratified atmosphere.
byte2flt Converts values of type byte to values of type float.
byte2flt_hdf Converts values of type byte to values of type float using the "scale" and "offset" attributes (if present).
calcDayAnomTLL Calculates daily anomalies from a daily data climatology.
calcMonAnomLLLT Calculates monthly anomalies by subtracting the long term mean from each point (lev,lat,lon,time version)
calcMonAnomLLT Calculates monthly anomalies by subtracting the long term mean from each point (lat,lon,time version)
calcMonAnomTLL Calculates monthly anomalies by subtracting the long term mean from each point (time,lat,lon version)
calcMonAnomTLLL Calculates monthly anomalies by subtracting the long term mean from each point: (time,lev,lat,lon) version.
calculate_daily_values Calculate daily values [avg, sum, min, max] from high frequency temporal values.
calculate_monthly_values Calculate monthly values [avg, sum, min, max] from high frequency temporal values.
calculate_segment_values Calculate segment (eg, pentad [5-day], weekly [7-day]) values from high frequency temporal values.
cd_convert Converts a time variable from one set of units to another.
changeCase Changes the case of a string. (Deprecated: see str_lower/str_upper.)
changeCaseChar Changes the case of each character in a string. (Deprecated: see str_switch.)
clmDayHourTLL Calculates climatological day-hour means at user specified hours for each day of the year.
clmDayHourTLLL Calculates climatological day-hour means at user specified hours for each day of the year.
clmDayTLL Calculates long term daily means (daily climatology) from daily data.
clmDayTLLL Calculates long term daily means (daily climatology) from daily data.
clmMon2clmDay Create a daily climatology from a monthly climatology.
clmMonLLLT Calculates long term monthly means (monthly climatology) from monthly data: (lev,lat,lon,time) version.
clmMonLLT Calculates long term monthly means (monthly climatology) from monthly data (lat,lon,time version)
clmMonTLL Calculates long term monthly means (monthly climatology) from monthly data: (time,lat,lon) version
clmMonTLLL Calculates long term monthly means (monthly climatology) from monthly data: (time,lev,lat,lon) version
closest_val Finds the index value in a monotonically increasing one-dimensional array closest to a desired value.
cohsq_c2p Given coherence-squared and the effective degrees-of-freedom, calculate the associated probability.
cohsq_p2c Calculate the value(s) of coherence-squared required for a specified significance level and effectiove degrees-of-freedom.
copy_VarAtts Copies all of a variable's attributes from one variable to another.
copy_VarCoords Copies all named dimensions and coordinate variables from one variable to another.
copy_VarCoords_1 Copies all named dimensions and coordinate variables from one variable to another except for the rightmost dimension.
copy_VarCoords_2 Copies all named dimensions and coordinate variables from one variable to another except for the rightmost two dimensions.
copy_VarMeta Copies all attributes, named dimensions and coordinate variables from one variable to another.
copyatt Copies all attributes, named dimensions and coordinate variables from one variable to another (deprecated version).
coriolis_param Calculate the Coriolis parameter.
crossp3 Compute cross product of multiple vectors of length 3.
cshstringtolist Converts a comma delimited string from csh and breaks it up into separate strings.
cssgrid_Wrap Uses tension splines to interpolate unstructured (randomly-spaced) data on a unit sphere to data values on a rectilinear grid (retains metadata).
dble2flt Converts values of type double to values of type float and preserves metadata.
decimalPlaces Truncates or rounds to the number of decimal places specified.
delete_VarAtts Deletes one or more attributes associated with a variable.
demod_cmplx Perform a complex demodulation on a time series.
dim_avg_n_Wrap Computes the average of a variable's given dimensions at all other dimensions and retains metadata.
dim_avg_wgt_n_Wrap Computes the weighted average of a variable's given dimension at all other dimensions and retains metadata.
dim_avg_wgt_Wrap Computes the weighted average of a variable's rightmost dimension at all other dimensions and retains metadata.
dim_avg_Wrap Computes the average of a variable's rightmost dimension at all other dimensions and retains metadata.
dim_cumsum_n_Wrap Calculates the cumulative sum along the given dimension(s) and retains metadata.
dim_cumsum_Wrap Calculates the cumulative sum along the rightmost dimension and retains metadata.
dim_max_n_Wrap Computes the maximum of a variable's given dimensions at all other dimensions and retains metadata.
dim_maxind Returns the index of the first occurrence of a maximum value within the specified dimension.
dim_min_n_Wrap Computes the minimum of a variable's given dimensions at all other dimensions and retains metadata.
dim_minind Returns the index of the first occurrence of a minimum value within the specified dimension.
dim_rmsd_n_Wrap Computes the root-mean-square-difference between two variables' given dimensions at all other dimensions.
dim_rmsd_Wrap Computes the root-mean-square-difference between two variables' rightmost dimension at all other dimensions.
dim_rmvmean_n_Wrap Calculates and removes the mean of the given dimensions at all other dimensions and retains metadata.
dim_rmvmean_Wrap Calculates and removes the mean of the (rightmost) dimension at all other dimensions and retains metadata.
dim_rmvmed_n_Wrap Calculates and removes the median of the given dimensions at all other dimensions and retains metadata.
dim_rmvmed_Wrap Calculates and removes the median of the (rightmost) dimension at all other dimensions and retains metadata.
dim_standardize_n_Wrap Calculates standardized anomalies of the given dimensions at all other dimensions and retains metadata.
dim_standardize_Wrap Calculates standardized anomalies of the rightmost dimension at all other dimensions and retains metadata.
dim_stddev_n_Wrap Computes the sample standard deviation of a variable's given dimension(s) at all other dimensions and retains metadata.
dim_stddev_Wrap Computes the sample standard deviation of a variable's rightmost dimension at all other dimensions and retains metadata.
dim_sum_n_Wrap Computes the arithmetic sum of a variable's given dimensions at all other dimensions and retains metadata.
dim_sum_wgt_n_Wrap Computes the weighted sum of a variable's given dimension at all other dimensions and retains metadata.
dim_sum_wgt_Wrap Computes the weighted sum of a variable's rightmost dimension at all other dimensions and retains metadata.
dim_sum_Wrap Computes the arithmetic sum of a variable's rightmost dimension at all other dimensions and retains metadata.
dim_variance_n_Wrap Computes unbiased estimates of the variance of a variable's given dimension(s) at all other dimensions and retains metadata.
dim_variance_Wrap Computes unbiased estimates of the variance of a variable's rightmost dimension at all other dimensions and retains metadata.
dpres_hybrid_ccm_se Calculates the pressure layer thickness at each mid-layer hybrid level for the spectral element model.
dpres_plevel_Wrap Calculates the pressure layer thicknesses of a constant pressure level coordinate system.
dtrend_leftdim Estimates and removes the least squares linear trend of the leftmost dimension from all grid points and retains metadata.
dv2uvF_Wrap Computes the divergent (irrotational) wind components for a fixed grid via spherical harmonics and retains metadata.
dv2uvG_Wrap Computes the divergent (irrotational) wind components for a gaussian grid via spherical harmonics and retains metadata.
eady_growth_rate Compute the maximum Eady growth rate.
enthalpy Compute atmospheric enthalpy.
eofcor_Wrap Calculates empirical orthogonal functions and retains metadata. (NCL's original function).
eofcov_Wrap Calculates empirical orthogonal functions and retains metadata. (NCL's original EOF function).
eofunc_n_Wrap Computes empirical orthogonal functions (aka: Principal Component Analysis, Eigen Analysis) given an index that specifies which dimension contains the number of observations, and retains metadata.
eofunc_north Use North et al (MWR, 1982) equation 24 to evaluate eigenvalue separation.
eofunc_ts_n_Wrap Calculates the time series of the amplitudes associated with each eigenvalue in an EOF, given an index that specifies the time dimension, and retains metadata.
eofunc_ts_Wrap Calculates the time series of the amplitudes associated with each eigenvalue in an EOF and retains metadata.
eofunc_varimax_reorder Reorder the results returned by eof_varimax into descending order by percent variance explained.
eofunc_varimax_Wrap Rotates EOFs using the using Kaiser row normalization and the varimax criterion and retains metadata.
eofunc_Wrap Computes empirical orthogonal functions (aka: Principal Component Analysis, Eigen Analysis) and retains metadata.
epflux Compute quasi-geostrophic Eliassen-Palm fluxes at isobaric levels using NCEP Reanalysis.
epsZero Sets all values in input array to zero that are +/- a user supplied epsilon about zero.
exponential_curve_fit Calculates the coefficients for a simple exponential curve fit of the form ' y = A*exp(B*x)' using least squares.
extract_globalatts_hdf5 Extract value from 'KEYWORD,VALUE' pair returned by getfilevaratts_hdf5.
f2fosh_Wrap Interpolates a scalar quantity from a fixed grid (including pole points) to a fixed-offset grid (retains metadata).
f2foshv_Wrap Interpolates a vector quantity on a fixed grid (including pole points) to a fixed-offset grid (retains metadata).
f2fsh_Wrap Interpolates a scalar quantity from one fixed grid to another (retains metadata).
f2fshv_Wrap Interpolates a vector quantity from one fixed grid to another (retains metadata).
f2gsh_Wrap Interpolates a scalar quantity from a fixed grid to a Gaussian grid (with optional truncation) (retains metadata).
f2gshv_Wrap Interpolates a vector quantity on a fixed grid to a Gaussian grid (optional truncation) (retains metadata).
fbindirSwap Reads byte-reversed data and writes output file that can be read by fbindirread or cbinread (deprecated).
fbinseqSwap1 Byte swaps Fortran sequential files (deprecated).
fbinseqSwap2 Byte swaps Fortran sequential files (more memory friendly) (deprecated).
fire_index_haines Computes the Haines fire index (aka: Lower Atmosphere Severity Index) from a sounding.
flt2dble Converts values of type float to values of type double and preserves metadata.
flt2string Converts values of type float to values of type string.
fo2fsh_Wrap Interpolates a scalar quantity from a fixed-offset grid to a fixed grid (retains metadata).
fo2fshv_Wrap Interpolates a vector quantity from a fixed-offset grid to a fixed grid (retains metadata).
g2fsh_Wrap Interpolates a scalar quantity from a Gaussian grid to a fixed grid (retains metadata).
g2fshv_Wrap Interpolates a vector quantity from a Gaussian grid to a fixed grid (retains metadata).
g2gsh_Wrap Interpolates a scalar quantity from one Gaussian grid to another (with optional truncation) (retains metadata).
g2gshv_Wrap Interpolates a vector quantity from one Gaussian grid to another (optional truncation) (retains metadata).
generate_sample_indices Generate indices (subscripts) for resampling: with and without replacement.
generate_unique_indices Generate unique random indices (subscripts).
genNormalDist Generates a normal distribution.
geolocation_circle Create latitudes and longitudes that define concentric circles at user specified distances from a central location.
get1Dindex_Collapse Returns a one dimensional array of subscript indices that DO NOT match the values contained in a user specified list.
get1Dindex_Exclude Returns a one dimensional array of subscript indices that DO NOT match the values contained in a user specified list.
get_d2r Return a constant that converts degrees to radians.
get_file_suffix Extract the suffix associated with a file name.
get_pi Return pi as a type float or double.
get_r2d Return a constant that converts radians to degrees.
GetFillColor Chooses a color from a group of RGB triplets based upon a secondary scalar field (deprecated version).
GetFillColorIndex Chooses from a list of color table indices based upon a secondary scalar field (deprecated version).
getFillValue Retrieves the _FillValue of a variable, if present, for use in a new statement.
getind_latlon2d Returns the indices (subscripts) of two-dimensional latitude/longitude arrays closest to a user-specified latitude/longitude coordinate pair.
getVarFillValue Retrieves the missing value of a variable, otherwise, it returns the default _FillValue.
grad_latlon_cfd Compute the meridional and zonal gradients of a variable on a global or limited area rectilinear grid.
grib_stime2itime Converts grib initial_time (string) to time (integer).
hyi2hyo_Wrap Interpolates from data on one set of hybrid levels to another set of hybrid levels and preserves metadata.
ilapsF_Wrap Inverts the Laplacian (on a fixed grid) using spherical harmonics and retains metadata.
ilapsG_Wrap Inverts the Laplacian (on a gaussian grid) using spherical harmonics and retains metadata.
ind_nearest_coord Determine indices of locations closest to a coordinate array.
int2dble Converts values of type integer to values of type float and preserves metadata.
int2flt Converts values of type integer to values of type float and preserves metadata.
int2p_n_Wrap Interpolates pressure levels to a different set of pressure levels and returns metadata.
int2p_Wrap Interpolates pressure levels to a different set of pressure levels and returns metadata.
isconstant Test if all non-missing elements of an array are identical.
isMonotonic Check a one dimensional array to see if it is monotonic.
keyword_values Read a text file that contains keywords and one-or-more values (similar to fortran NAMELIST).
latent_heat_water Estimate latent heat flux for water: evaporization (condensation), melting (freezing) or sublimation (deposition).
latGau Generates gaussian latitudes and associated metadata.
latGauWgt Generates gaussian weights and associated metadata.
latGlobeF Generates latitudes and associated metadata for a global fixed grid.
latGlobeFo Generates latitudes and associated metadata for a global fixed offset grid.
latRegWgt Generates [sin(lat+dlat/2)-sin(lat-dlat/2)] weights for equally spaced (regular) global grids that will sum to 2.0.
linint1_n_Wrap Interpolates from one series to another using piecewise linear interpolation across the given dimension, and retains metadata.
linint1_Wrap Interpolates from one series to another using piecewise linear interpolation, and retains metadata.
linint2_points_Wrap Interpolates from a rectilinear grid to an unstructured grid using bilinear interpolation, and retains metadata.
linint2_Wrap Interpolates from a rectilinear grid to another rectilinear grid using bilinear interpolation, and retains metadata.
local_max_1d Determines the relative maxima for a 1-dimensional array.
local_min_1d Determines the relative minima for a 1-dimensional array.
lonFlip Reorders a global rectilinear array about the central longitude coordinate variable.
lonGlobeF Generates longitudes and associated metadata for a global fixed grid.
lonGlobeFo Generates longitudes and associated metadata for a global fixed offset grid.
lonPivot Pivots an array about a user-specified longitude (rectilinear grids only).
merge_levels_sfc Merges a multiple level variable with the corresponding surface variable.
mixhum_convert Convert mixing ratio to specific humidity or vice-versa.
mod Remainder function which emulates the Fortran "mod" intrinsic function.
month_to_annual Converts monthly values to annual values.
month_to_annual_weighted Converts monthly values to annual values weighted by the number of days in a month.
month_to_season Computes a user-specified three-month seasonal mean (DJF, JFM, FMA, MAM, AMJ, MJJ, JJA, JAS, ASO, SON, OND, NDJ).
month_to_season12 Computes three-month seasonal means (DJF, JFM, FMA, MAM, AMJ, MJJ, JJA, JAS, ASO, SON, OND, NDJ).
month_to_seasonN Computes a user-specified list of three-month seasonal means (DJF, JFM, FMA, MAM, AMJ, MJJ, JJA, JAS, ASO, SON, OND, NDJ).
monthly_total_to_daily_mean Convert monthly total values [e.g., precipitation] to "per day" values.
nameDim Assigns given named dimensions, long_name, and units to the input variable.
natgrid_Wrap Interpolates data from an unstructured (randomly-spaced) grid to a rectilinear grid using natural neighbor interpolation and retains metadata.
NewCosWeight Performs cosine of the latitude weighting on the given array.
niceLatLon2D Check two-dimensional map coordinates to see if they have a "nice" structure.
NormCosWgtGlobe Create normalized cosine weights that sum to 2.0.
numAsciiCol Returns the number of columns in an ASCII file.
numAsciiRow Returns the number of rows in an ASCII file.
numeric2int Converts values of any numeric type to type integer.
obj_anal_ic_deprecated Iterative correction objective analysis (Cressman, Barnes) (deprecated)
obj_anal_ic_Wrap Iterative improvement objective analysis and returns meta data.
omega_ccm_driver Computes vertical pressure velocity [omega] via model diagnostic code.
omega_to_w Convert omega vertical velocity (Pa/s) to (m/s).
oneDtostring Converts a 1-dimensional array to a single string.
pack_values Compress values of type float or double to values of type short or byte.
parse_globalatts_hdf5 Parse a HDF5 global attribute into an array containing KEYWORDs and associated VALUEs.
pattern_cor Compute centered or uncentered pattern correlation.
pdfx Generates a univariate probability density distribution (PDF).
pdfxy Generates a joint probability density distribution. (Please use pdfxy_conform.)
pdfxy_conform An interface to pdfxy that allows the input arrays to be different sizes.
pot_temp Compute potential temperature.
pot_temp_equiv Compute the equivalent potential temperature using an approximation which does not use the lifting condensation temperature.
pot_temp_equiv_tlcl Compute equivalent potential temperature using the lifting condensation temperature.
pot_vort_hybrid Compute potential vorticity on hybrid levels and a global grid.
pot_vort_isobaric Compute potential vorticity on isobaric levels and a global rectilinear grid.
precip_rain_snow Partition monthly precipitation totals into rain and snow amount using an empirical relationship.
pres2hybrid_Wrap Interpolates data on constant pressure levels to hybrid levels and retains metadata.
pres_hybrid_ccm_se Calculates pressure at each hybrid level using spectral element grid structure.
print_clock Prints the given string along with a current timestamp.
printMinMax Prints the minimum and maximum values of a variable.
quadroots Determine roots of a quadratic equation [ a*x^2 + b*x + c].
qvector_isobaric Use "highly accurate" spherical harmonics to derive the Q-vector components on a global grid.
qvector_isobaric_cfd Use centered finite differences to derive the Q-vector components on a global or regional grid.
rcm2points_Wrap Interpolates data on a curvilinear grid (i.e. RCM, WRF, NARR) to an unstructured grid and retains metadata.
rcm2rgrid_Wrap Interpolates data on a curvilinear grid (i.e. RCM, WRF, NARR) to a rectilinear grid and retains metadata.
readAsciiHead Reads an ASCII file and returns just the header.
readAsciiTable Reads an ASCII file given the number of lines at the beginning and end of the file to ignore.
reg_multlin_stats Performs multiple linear regression analysis including confidence estimates and creates an ANOVA table.
region_ind Returns the indices (subscripts) of two-dimensional latitude/longitude arrays that span user specified latitude/longitude boundaries.
regline_stats Performs simple linear regression including confidence estimates, an ANOVA table and 95% mean response estimates.
regline_weight Calculates the linear regression coefficient between two series where one variable is weighted by some measure of uncertainty.
relhum_ttd Calculates relative humidity given temperature and dew point temperature.
replaceSingleChar Within a string replace one character with another character. (Deprecated: see str_sub_str.)
RGBtoCmap Reads a text file of RGB triplets and converts them to a colormap.
rgrid2rcm_Wrap Interpolates data on a rectilinear lat/lon grid to a curvilinear grid like those used by the RCM, WRF and NARR models/datasets and retains metadata.
rho_mwjf Computes ocean water density given a specified range for potential temperature (deg Celsius) and salinity (psu).
rigrad_bruntv_atm Compute the atmospheric gradient Richardson number and, optionally, the Brunt-Vaisala, buoyancy and shear.
rm_single_dims Removes (squeezes) singleton (degenerate) dimensions from an array while preserving metadata.
rmAnnCycle1D Removes annual cycle from a one-dimensional time series.
rmInsufData Sets all instances (i.e., time) of a grid point to missing if a user-prescribed percentage of points is missing.
rmMonAnnCycLLLT Removes the annual cycle from "monthly" data.
rmMonAnnCycLLT Removes the annual cycle from "monthly" data.
rmMonAnnCycTLL Removes the annual cycle from "monthly" data.
runave_n_Wrap Calculates an unweighted running average on the given dimension and retains metadata.
runave_Wrap Calculates an unweighted running average on the rightmost dimension and retains metadata.
satvpr_water_bolton Estimate the saturation vapor pressure over water using Bolton's equation 10.
satvpr_water_stipanuk Estimate the saturation vapor pressure over water using the Stipanuk approximation.
scale_values Scale the values of an array to a user specified range.
shear_stretch_deform Using spherical harmonics, estimate the kinematic shear-deformation, stretch-deformation and total-deformation of a global horizontal (east-west) wind field.
shear_stretch_deform_cfd Using centered-finite-differences, estimate the kinematic shear-deformation, stretch-deformation and total-deformation of a global or regional horizontal (east-west) wind field.
short2flt Converts values of type short to values of type float using the "scale" and "offset" attributes (if present).
short2flt_hdf Converts values of type short to values of type float using the "scale" and "offset" attributes (if present).
shsgc_R42_Wrap Computes spherical harmonic synthesis of a scalar quantity via rhomboidally truncated (R42) spherical harmonic coefficients onto a (108x128) gaussian grid. (creates metadata).
sign_f90 Mimic the behavior of Fortran-90's sign transfer function.
sign_matlab Mimic the behavior of Matlab's sign function.
smth9_Wrap Performs nine point local smoothing on one or more 2D grids and retains metadata.
smthClmDayTLL Calculates a smooth mean daily annual cycle for an array nominally dimensioned (Time,Lat,Lon).
smthClmDayTLLL Calculates a smooth mean daily annual cycle for an array nominally dimensioned (Time,Level,Lat,Lon).
SqrtCosWeight Performs square-root of the cosine of the latitude weighting on the given array.
stat_dispersion Computes a number of robust statistics.
static_energy_atm Compute the atmospheric moist and dry static energy.
static_stability Compute static stability.
stdMonLLLT Calculates standard deviations of monthly means.
stdMonLLT Calculates standard deviations of monthly means.
stdMonTLL Calculates standard deviations of monthly means.
stdMonTLLL Calculates standard deviations of monthly means.
symMinMaxPlt Calculates the minimum/maximum values for a variable and uses nice_mnmxintvl to calculate the symmetric contour interval.
table_attach_columns Attaches [appends] additional columns to a previously existing two-dimensional array.
table_attach_rows Attaches [appends] additional rows to a previously existing two-dimensional array.
taylor_stats Calculates statistics needed for the Taylor Diagram: pattern_correlation, ratio and bias.
temp_virtual Compute atmospheric virtual temperature.
time_reassign Reassign (replace) a CF-conforming "time" variable by calculating the mid-time values using the "bounds" attribute.
time_reassign_cv2var Reassign (replace) a CF-conforming "time" coordinate variable associated with a variable by calculating the mid-time values using the "bounds" attribute.
time_to_newtime Change a "udunits" recognized time unit to a new (different) "udunits" recognized time unit.
time_to_newtime_fix Change a "udunits" recognized time unit to a new (different) "udunits" recognized time unit (temporary function; see the 6.4.0 release notes for details).
tlcl_evp_bolton Compute the lifting condensation level temperature using water vapor pressure.
tlcl_mixr_bolton Compute the lifting condensation level temperature using mixing ratio and pressure.
tlcl_rh_bolton Compute the lifting condensation level temperature using relative humidity.
tlcl_td_bolton Compute the lifting condensation level temperature using dew point temperature.
transpose Transposes a matrix and copies all attributes and coordinate variables.
triple2grid_Wrap Places unstructured (randomly-spaced) data onto the nearest locations of a rectilinear grid and retains metadata.
unwrap_phase Unwrap (correct) phase angles to produce smoother phase plots.
ut_convert Converts a time variable from one set of units to another (deprecated; use cd_convert).
ut_convert_fix Converts a time variable from one set of units to another (temporary function; see the 6.4.0 release notes for details).
uv2dvF_Wrap Computes the divergence using spherical harmonics given the u and v wind components on a fixed grid (retains metadata).
uv2dvG_Wrap Computes the divergence using spherical harmonics given the u and v wind components on a gaussian grid (retains metadata).
uv2vrF_Wrap Computes the vorticity via spherical harmonics, given the u and v wind components on a fixed grid (retains metadata).
uv2vrG_Wrap Computes the vorticity via spherical harmonics, given the u and v wind components on a gaussian grid (retains metadata).
vapor_pres_rh Compute vapor pressure given relative humidity (%) and saturation vapor pressure.
venn2_difference Returns the unique element symmetric differences between two arrays.
venn2_intersection Returns the unique element intersection (ie., common values) between two arrays.
venn2_union Returns the unique element union of two arrays.
vr2uvF_Wrap Computes the rotational wind components via spherical harmonics, given an array containing relative vorticity on a fixed grid (retains metadata).
vr2uvG_Wrap Computes the rotational wind components via spherical harmonics, given an array containing relative vorticity on a gaussian grid (retains metadata).
w_to_omega Convert vertical velocity with units (m/s) to Pa/s.
wallClockElapseTime Calculates and prints elapsed 'wall clock' time.
wave_number_spc Computes the total power spectrum as a function of latitudinal wave number.
wetbulb_stull Calculate wet bulb temperature at standard sea level pressure (1013.25 hPa) using the method of R.Stull.
wgt_areaave_Wrap Calculates the area average of a quantity using weights and retains metadata.
wgt_runave_leftdim Calculate a weighted running average over the leftmost dimension (usually, "time") and return in the original order with metadata.
wgt_runave_n_Wrap Calculates a weighted running average on the given dimension and retains metadata.
wgt_runave_Wrap Calculates a weighted running average on the rightmost dimension and retains metadata.
wgt_vertical_n Calculates a weighted vertical average and/or sum (integral).
wind_component Calculate zonal and meridional wind components from wind speed and wind direction.
wind_direction Calculate meteorological wind direction from zonal and meridional wind components.
wind_speed Calculate wind speed from zonal and meridional wind components.
wind_stats Given a sequence of wind speeds and directions, compute assorted wind-related statistics including the standard deviation of the wind direction.
yyyyddd_to_yyyymmdd Given concatenated year and day-of-year (yyyyddd) create a one-dimensional array containing concatenated year, month and day-of-month (yyyymmdd) values.
yyyymm_time Creates a one-dimensional array containing year-month (yyyymm) values.
yyyymm_to_yyyyfrac Converts a one dimensional array containing yyyymm values to yyyy and fractional year.
yyyymmdd_time Creates a one-dimensional array containing year-month-day (yyyymmdd) values.
yyyymmdd_to_yyyyddd Given concatenated year-month-day_of_month (yyyymmdd) create a one-dimensional array containing concatenated year and day_of_year (yyyyddd) values.
yyyymmdd_to_yyyyfrac Converts a one-dimensional array containing yyyymmdd values to yyyy and fractional year.
yyyymmddhh_time Creates a one-dimensional array containing year-month-day-hour (yyyymmddhh) values.
yyyymmddhh_to_yyyyfrac Converts a one-dimensional array containing yyyymmddhh values to yyyy and fractional year.
zonal_mpsi_Wrap Computes a zonal mean meridional stream function and retains metadata.
zonalAve Computes a zonal average of the input array.
zscore Computes the zscore of a variable's given dimensions at all other dimensions and retains metadata.