mean daily NMC reanalysis (1998)

Load in Python

from intake import open_catalog

cat = open_catalog("https://raw.githubusercontent.com/kpegion/COLA-DATASETS-CATALOG/gh-pages/intake-catalogs/uwnd.yaml")
ds=cat.netcdf.read()

Metadata

title	mean daily NMC reanalysis (1998)
location	/shared/subx/verif/ua/daily/orig
tags	verif,model,daily
catalog_dir	https://raw.githubusercontent.com/kpegion/COLA-DATASETS-CATALOG/gh-pages/intake-catalogs/uwnd.yaml
last updated	2018-06-06

Dataset Contents

<xarray.Dataset>
Dimensions:  (lat: 73, level: 17, lon: 144, time: 7256)
Coordinates:
  * level    (level) float32 1000.0 925.0 850.0 700.0 ... 50.0 30.0 20.0 10.0
  * lat      (lat) float32 90.0 87.5 85.0 82.5 80.0 ... -82.5 -85.0 -87.5 -90.0
  * lon      (lon) float32 0.0 2.5 5.0 7.5 10.0 ... 350.0 352.5 355.0 357.5
  * time     (time) float64 1.736e+06 1.736e+06 1.736e+06 ... 1.91e+06 1.91e+06
Data variables:
    uwnd     (time, level, lat, lon) float32 dask.array<chunksize=(365, 17, 73, 144), meta=np.ndarray>
Attributes:
    Conventions:    COARDS
    title:          mean daily NMC reanalysis (1998)
    description:    Data is from NMC initialized reanalysis
(4x/day).  It co...
    platform:       Model
    history:        created 98/02/12 by Hoop (netCDF2.3)
Converted to chunke...
    References:     http://www.esrl.noaa.gov/psd/data/gridded/data.ncep.reana...
    dataset_title:  NCEP-NCAR Reanalysis 1

xarray.Dataset

Dimensions:
- lat: 73
- level: 17
- lon: 144
- time: 7256

Coordinates: (4)

level
(level)
float32
1000.0 925.0 850.0 ... 20.0 10.0
units :
millibar
actual_range :
[1000. 10.]
long_name :
Level
positive :
down
GRIB_id :
100
GRIB_name :
hPa
axis :
Z
```
array([1000.,  925.,  850.,  700.,  600.,  500.,  400.,  300.,  250.,  200.,
        150.,  100.,   70.,   50.,   30.,   20.,   10.], dtype=float32)
```

lat

(lat)

float32

90.0 87.5 85.0 ... -87.5 -90.0

units :: degrees_north
actual_range :: [ 90. -90.]
long_name :: Latitude
standard_name :: latitude
axis :: Y

array([ 90. ,  87.5,  85. ,  82.5,  80. ,  77.5,  75. ,  72.5,  70. ,  67.5,
        65. ,  62.5,  60. ,  57.5,  55. ,  52.5,  50. ,  47.5,  45. ,  42.5,
        40. ,  37.5,  35. ,  32.5,  30. ,  27.5,  25. ,  22.5,  20. ,  17.5,
        15. ,  12.5,  10. ,   7.5,   5. ,   2.5,   0. ,  -2.5,  -5. ,  -7.5,
       -10. , -12.5, -15. , -17.5, -20. , -22.5, -25. , -27.5, -30. , -32.5,
       -35. , -37.5, -40. , -42.5, -45. , -47.5, -50. , -52.5, -55. , -57.5,
       -60. , -62.5, -65. , -67.5, -70. , -72.5, -75. , -77.5, -80. , -82.5,
       -85. , -87.5, -90. ], dtype=float32)

lon

(lon)

float32

0.0 2.5 5.0 ... 352.5 355.0 357.5

units :: degrees_east
long_name :: Longitude
actual_range :: [ 0. 357.5]
standard_name :: longitude
axis :: X

array([  0. ,   2.5,   5. ,   7.5,  10. ,  12.5,  15. ,  17.5,  20. ,  22.5,
        25. ,  27.5,  30. ,  32.5,  35. ,  37.5,  40. ,  42.5,  45. ,  47.5,
        50. ,  52.5,  55. ,  57.5,  60. ,  62.5,  65. ,  67.5,  70. ,  72.5,
        75. ,  77.5,  80. ,  82.5,  85. ,  87.5,  90. ,  92.5,  95. ,  97.5,
       100. , 102.5, 105. , 107.5, 110. , 112.5, 115. , 117.5, 120. , 122.5,
       125. , 127.5, 130. , 132.5, 135. , 137.5, 140. , 142.5, 145. , 147.5,
       150. , 152.5, 155. , 157.5, 160. , 162.5, 165. , 167.5, 170. , 172.5,
       175. , 177.5, 180. , 182.5, 185. , 187.5, 190. , 192.5, 195. , 197.5,
       200. , 202.5, 205. , 207.5, 210. , 212.5, 215. , 217.5, 220. , 222.5,
       225. , 227.5, 230. , 232.5, 235. , 237.5, 240. , 242.5, 245. , 247.5,
       250. , 252.5, 255. , 257.5, 260. , 262.5, 265. , 267.5, 270. , 272.5,
       275. , 277.5, 280. , 282.5, 285. , 287.5, 290. , 292.5, 295. , 297.5,
       300. , 302.5, 305. , 307.5, 310. , 312.5, 315. , 317.5, 320. , 322.5,
       325. , 327.5, 330. , 332.5, 335. , 337.5, 340. , 342.5, 345. , 347.5,
       350. , 352.5, 355. , 357.5], dtype=float32)

time
(time)
float64
1.736e+06 1.736e+06 ... 1.91e+06
long_name :
Time
delta_t :
0000-00-01 00:00:00
avg_period :
0000-00-01 00:00:00
standard_name :
time
axis :
T
units :
hours since 1800-01-01 00:00:0.0
```
array([1735632., 1735656., 1735680., ..., 1909704., 1909728., 1909752.])
```

Data variables: (1)

uwnd

(time, level, lat, lon)

float32

dask.array<chunksize=(365, 17, 73, 144), meta=np.ndarray>

long_name :: mean Daily U-wind
units :: m/s
precision :: 2
GRIB_id :: 33
GRIB_name :: UGRD
var_desc :: u-wind
dataset :: NCEP Reanalysis Daily Averages
level_desc :: Multiple levels
statistic :: Mean
parent_stat :: Individual Obs
actual_range :: [-83.98999 111.600006]
valid_range :: [-125. 160.]

	Array	Chunk
Bytes	5.19 GB	261.62 MB
Shape	(7256, 17, 73, 144)	(366, 17, 73, 144)
Count	60 Tasks	20 Chunks
Type	float32	numpy.ndarray

Attributes: (7)
Conventions :
COARDS
title :
mean daily NMC reanalysis (1998)
description :
Data is from NMC initialized reanalysis (4x/day). It consists of most variables interpolated to pressure surfaces from model (sigma) surfaces.
platform :
Model
history :
created 98/02/12 by Hoop (netCDF2.3) Converted to chunked, deflated non-packed NetCDF4 2014/09
References :
http://www.esrl.noaa.gov/psd/data/gridded/data.ncep.reanalysis.html
dataset_title :
NCEP-NCAR Reanalysis 1