RAP#
This demonstrates how to use data from the Rapid Refresh (RAP) model. This is perhaps the messiest dataset Herbie tries to look for (lots of sources, different file naming conventions, lots of different products).
[1]:
from herbie import Herbie
from toolbox import EasyMap, pc
from paint.standard2 import cm_tmp
import pandas as pd
import matplotlib.pyplot as plt
import cartopy.crs as ccrs
[2]:
H = Herbie("2021-11-19", model="rap", product="awp130pgrb")
β
Found β model=rap β product=awp130pgrb β 2021-Nov-19 00:00 UTC F00 β GRIB2 @ aws β IDX @ aws
[3]:
H.PRODUCTS
[3]:
{'awp130pgrb': 'CONUS Pressure levels; 13-km resolution',
'awp252pgrb': 'CONUS Pressure levels; 20-km resolution',
'awp236pgrb': 'CONUS Pressure levels; 40-km resolution',
'awp130bgrb': 'CONUS Native levels; 13-km resolution',
'awp252bgrb': 'CONUS Native levels; 20-km resolution',
'wrfprs': 'Full domain Pressure Levels; 13-km',
'wrfnat': 'Full domain Native Levels; 13-km',
'awip32': 'NOAMHI - High-Resolution North American Master Grid; 32-km resolution',
'awp242': 'Alaska Quadruple Resolution Pressure levels; 11-km resolution',
'awp200': 'Puerto Rico Pressure levels; 16-km resolution',
'awp243': 'Eastern North America Pressure levels, 0.4 degree resolution',
'wrfmsl': 'WRFMSL; 13-km resolution'}
[5]:
H.SOURCES
[5]:
{'aws': 'https://noaa-rap-pds.s3.amazonaws.com/rap.20211119/rap.t00z.awp130pgrbf00.grib2',
'nomads': 'https://nomads.ncep.noaa.gov/pub/data/nccf/com/rap/prod/rap.20211119/rap.t00z.awp130pgrbf00.grib2',
'google': 'https://storage.googleapis.com/rapid-refresh/rap.20211119/rap.t00z.awp130pgrbf00.grib2',
'azure': 'https://noaarap.blob.core.windows.net/rap/rap.20211119/rap.t00z.awp130pgrbf00.grib2'}
[7]:
ds = H.xarray("TMP:2 m above")
ds
[7]:
<xarray.Dataset> Dimensions: (y: 337, x: 451) Coordinates: time datetime64[ns] 2021-11-19 step timedelta64[ns] 00:00:00 heightAboveGround float64 2.0 latitude (y, x) float64 ... longitude (y, x) float64 ... valid_time datetime64[ns] ... Dimensions without coordinates: y, x Data variables: t2m (y, x) float32 ... gribfile_projection object None Attributes: GRIB_edition: 2 GRIB_centre: kwbc GRIB_centreDescription: US National Weather Service - NCEP GRIB_subCentre: 0 Conventions: CF-1.7 institution: US National Weather Service - NCEP model: rap product: awp130pgrb description: Rapid Refresh (RAP) from NOMADS and Big Data Pro... remote_grib: https://noaa-rap-pds.s3.amazonaws.com/rap.202111... local_grib: C:\Users\blaylock\data\rap\20211119\subset_5aefe... searchString: TMP:2 m above
[9]:
ax = EasyMap(crs=ds.herbie.crs, figsize=[8, 8]).STATES().ax
p = ax.pcolormesh(
ds.longitude, ds.latitude, ds.t2m, transform=pc, **cm_tmp(units="K").cmap_kwargs
)
plt.colorbar(
p, ax=ax, orientation="horizontal", pad=0.05, **cm_tmp(units="K").cbar_kwargs
)
ax.set_title(ds.t2m.GRIB_name, loc="right")
ax.set_title(f"{ds.model.upper()}: {H.product_description}", loc="left")
[9]:
Text(0.0, 1.0, 'RAP: CONUS Pressure levels; 13-km resolution')
RAP record on NCEI#
[10]:
H = Herbie("2019-11-23", model="rap_historical", product="analysis")
β
Found β model=rap_historical β product=analysis β 2019-Nov-23 00:00 UTC F00 β GRIB2 @ rap_130 β IDX @ rap_130
[11]:
ds = H.xarray("TMP:2 m above")
ds
π¨π»βπ Created directory: [C:\Users\blaylock\data\rap_historical\20191123]
C:\Users\blaylock\_GITHUB\Herbie\herbie\archive.py:1041: UserWarning: sorry, on windows I couldn't remove the file.
warnings.warn("sorry, on windows I couldn't remove the file.")
[11]:
<xarray.Dataset> Dimensions: (y: 337, x: 451) Coordinates: time datetime64[ns] 2019-11-23 step timedelta64[ns] 00:00:00 heightAboveGround float64 2.0 latitude (y, x) float64 16.28 16.31 16.34 ... 55.54 55.51 55.48 longitude (y, x) float64 233.9 234.0 234.1 ... 302.3 302.4 302.6 valid_time datetime64[ns] 2019-11-23 Dimensions without coordinates: y, x Data variables: t2m (y, x) float32 298.3 298.4 298.5 ... 274.3 274.3 274.4 gribfile_projection object None Attributes: GRIB_edition: 2 GRIB_centre: kwbc GRIB_centreDescription: US National Weather Service - NCEP GRIB_subCentre: 0 Conventions: CF-1.7 institution: US National Weather Service - NCEP model: rap_historical product: analysis description: Rapid Refresh - NCEI Historical remote_grib: https://www.ncei.noaa.gov/data/rapid-refresh/acc... local_grib: C:\Users\blaylock\data\rap_historical\20191123\s... searchString: TMP:2 m above
[12]:
ax = EasyMap(crs=ds.herbie.crs, figsize=[8, 8]).ax
p = ax.pcolormesh(
ds.longitude, ds.latitude, ds.t2m, transform=pc, **cm_tmp(units="K").cmap_kwargs
)
plt.colorbar(
p, ax=ax, orientation="horizontal", pad=0.05, **cm_tmp(units="K").cbar_kwargs
)
ax.set_title(ds.t2m.GRIB_name, loc="right")
ax.set_title(f"{ds.model.upper()}: {H.product_description}", loc="left")
[12]:
Text(0.0, 1.0, 'RAP_HISTORICAL: RAP')