A collection of diagnostic and interpolation routines for use with output from the Weather Research and Forecasting (WRF-ARW) Model.
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+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| Variable Name | Description | Available Units | Additional Keyword Arguments |
+====================+===============================================================+=============================+=========================================================================================================================================================+
| avo | Absolute Vorticity | 10-5 s-1 | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| eth/theta_e | Equivalent Potential Temperature | K | **units** (str) : Set to desired units. Default is *'K'*. |
| | | | |
| | | degC | |
| | | | |
| | | degF | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| cape_2d | 2D CAPE (MCAPE/MCIN/LCL/LFC) | J kg-1 ; J kg-1 ; m ; m | **missing** (float): Fill value for output only |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| cape_3d | 3D CAPE and CIN | J kg-1 | **missing** (float): Fill value for output only |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| ctt | Cloud Top Temperature | degC | **fill_nocloud** (boolean): Set to True to use fill values for cloud free regions rather than surface temperature. Default is *False*. |
| | | | |
| | | K | **missing** (float): The fill value to use when *fill_nocloud* is True. |
| | | | |
| | | | **opt_thresh** (float): The optical depth required to trigger the cloud top temperature calculation. Default is 1.0. |
| | | degF | |
| | | | **units** (str) : Set to desired units. Default is *'degC'*. |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| cloudfrac | Cloud Fraction | % | **vert_type** (str): The vertical coordinate type for the cloud thresholds. Must be 'height_agl', 'height_msl', or 'pres'. Default is 'height_agl'. |
| | | | |
| | | | **low_thresh** (float): The low cloud threshold (meters for 'height_agl' and 'height_msl', pascals for 'pres'). Default is 300 m (97000 Pa) |
| | | | |
| | | | **mid_thresh** (float): The mid cloud threshold (meters for 'height_agl' and 'height_msl', pascals for 'pres'). Default is 2000 m (80000 Pa) |
| | | | |
| | | | **high_thresh** (float): The high cloud threshold (meters for 'height_agl' and 'height_msl', pascals for 'pres'). Default is 6000 m (45000 Pa) |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| dbz | Reflectivity | dBZ | **do_variant** (boolean): Set to True to enable variant calculation. Default is *False*. |
| | | | |
| | | | **do_liqskin** (boolean): Set to True to enable liquid skin calculation. Default is *False*. |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| mdbz | Maximum Reflectivity | dBZ | **do_variant** (boolean): Set to True to enable variant calculation. Default is *False*. |
| | | | |
| | | | **do_liqskin** (boolean): Set to True to enable liquid skin calculation. Default is *False*. |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| geopt/geopotential | Geopotential for the Mass Grid | m2 s-2 | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| geopt_stag | Geopotential for the Vertically Staggered Grid | m2 s-2 | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| helicity | Storm Relative Helicity | m2 s-2 | **top** (float): The top level for the calculation in meters. Default is *3000.0*. |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| lat | Latitude | decimal degrees | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| lon | Longitude | decimal degrees | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| omg/omega | Omega | Pa s-1 | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| p/pres | Full Model Pressure | Pa | **units** (str) : Set to desired units. Default is *'Pa'*. |
| | | | |
| | (in specified units) | hPa | |
| | | | |
| | | mb | |
| | | | |
| | | torr | |
| | | | |
| | | mmhg | |
| | | | |
| | | atm | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| pressure | Full Model Pressure (hPa) | hPa | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| pvo | Potential Vorticity | PVU | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| pw | Precipitable Water | kg m-2 | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| rh | Relative Humidity | % | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| rh2 | 2m Relative Humidity | % | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| slp | Sea Level Pressure | hPa | **units** (str) : Set to desired units. Default is *'hPa'*. |
| | | | |
| | | hPa | |
| | | | |
| | | mb | |
| | | | |
| | | torr | |
| | | | |
| | | mmhg | |
| | | | |
| | | atm | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| ter | Model Terrain Height | m | **units** (str) : Set to desired units. Default is *'m'*. |
| | | | |
| | | km | |
| | | | |
| | | dm | |
| | | | |
| | | ft | |
| | | | |
| | | mi | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| td2 | 2m Dew Point Temperature | degC | **units** (str) : Set to desired units. Default is *'degC'*. |
| | | | |
| | | K | |
| | | | |
| | | degF | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| td | Dew Point Temperature | degC | **units** (str) : Set to desired units. Default is *'degC'*. |
| | | | |
| | | K | |
| | | | |
| | | degF | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| tc | Temperature in Celsius | degC | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| th/theta | Potential Temperature | K | **units** (str) : Set to desired units. Default is *'K'*. |
| | | | |
| | | degC | |
| | | | |
| | | degF | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| temp | Temperature (in specified units) | K | **units** (str) : Set to desired units. Default is *'K'*. |
| | | | |
| | | degC | |
| | | | |
| | | degF | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| tk | Temperature in Kelvin | K | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| times | Times in the File or Sequence | | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| xtimes | XTIME Coordinate | minutes since | |
| | | | |
| | (if applicable) | start of | |
| | | | |
| | | model run | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| tv | Virtual Temperature | K | **units** (str) : Set to desired units. Default is *'K'*. |
| | | | |
| | | degC | |
| | | | |
| | | degF | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| twb | Wet Bulb Temperature | K | **units** (str) : Set to desired units. Default is *'K'*. |
| | | | |
| | | degC | |
| | | | |
| | | degF | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| updraft_helicity | Updraft Helicity | m2 s-2 | **bottom** (float): The bottom level for the calculation in meters. Default is *2000.0*. |
| | | | |
| | | | **top** (float): The top level for the calculation in meters. Default is *5000.0*. |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| ua | U-component of Wind on Mass Points | m s-1 | **units** (str) : Set to desired units. Default is *'m s-1'*. |
| | | | |
| | | km h-1 | |
| | | | |
| | | mi h-1 | |
| | | | |
| | | kt | |
| | | | |
| | | ft s-1 | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| va | V-component of Wind on Mass Points | m s-1 | **units** (str) : Set to desired units. Default is *'m s-1'*. |
| | | | |
| | | km h-1 | |
| | | | |
| | | mi h-1 | |
| | | | |
| | | kt | |
| | | | |
| | | ft s-1 | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| wa | W-component of Wind on Mass Points | m s-1 | **units** (str) : Set to desired units. Default is *'m s-1'*. |
| | | | |
| | | km h-1 | |
| | | | |
| | | mi h-1 | |
| | | | |
| | | kt | |
| | | | |
| | | ft s-1 | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| uvmet10 | 10 m U and V Components of Wind | m s-1 | **units** (str) : Set to desired units. Default is *'m s-1'*. |
| | | | |
| | Rotated to Earth Coordinates | km h-1 | |
| | | | |
| | | mi h-1 | |
| | | | |
| | | kt | |
| | | | |
| | | ft s-1 | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| uvmet | U and V Components of Wind | m s-1 | **units** (str) : Set to desired units. Default is *'m s-1'*. |
| | | | |
| | Rotated to Earth Coordinates | km h-1 | |
| | | | |
| | | mi h-1 | |
| | | | |
| | | kt | |
| | | | |
| | | ft s-1 | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| wspd_wdir | Wind Speed and Direction (wind_from_direction) | m s-1 | **units** (str) : Set to desired units. Default is *'m s-1'*. |
| | | | |
| | in Grid Coordinates | km h-1 | |
| | | | |
| | | mi h-1 | |
| | | | |
| | | kt | |
| | | | |
| | | ft s-1 | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| wspd_wdir10 | 10m Wind Speed and Direction (wind_from_direction) | m s-1 | **units** (str) : Set to desired units. Default is *'m s-1'*. |
| | | | |
| | in Grid Coordinates | km h-1 | |
| | | | |
| | | mi h-1 | |
| | | | |
| | | kt | |
| | | | |
| | | ft s-1 | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| uvmet_wspd_wdir | Wind Speed and Direction (wind_from_direction) | m s-1 | **units** (str) : Set to desired units. Default is *'m s-1'*. |
| | | | |
| | Rotated to Earth Coordinates | km h-1 | |
| | | | |
| | | mi h-1 | |
| | | | |
| | | kt | |
| | | | |
| | | ft s-1 | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| uvmet10_wspd_wdir | 10m Wind Speed and Direction (wind_from_direction) | m s-1 | **units** (str) : Set to desired units. Default is *'m s-1'*. |
| | | | |
| | Rotated to Earth Coordinates | km h-1 | |
| | | | |
| | | mi h-1 | |
| | | | |
| | | kt | |
| | | | |
| | | ft s-1 | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| z/height | Model Height for Mass Grid | m | **msl** (boolean): Set to False to return AGL values. True is for MSL. Default is *True*. |
| | | | |
| | | km | **units** (str) : Set to desired units. Default is *'m'*. |
| | | | |
| | | dm | |
| | | | |
| | | ft | |
| | | | |
| | | mi | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+
| zstag | Model Height for Vertically Staggered Grid | m | **msl** (boolean): Set to False to return AGL values. True is for MSL. Default is *True*. |
| | | | |
| | | km | **units** (str) : Set to desired units. Default is *'m'*. |
| | | | |
| | | dm | |
| | | | |
| | | ft | |
| | | | |
| | | mi | |
+--------------------+---------------------------------------------------------------+-----------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------+