SFIRE variables - Revision history

Jmandel: /* List of variables */ fix static data link

2026-02-11T02:43:26Z

List of variables: fix static data link

← Older revision		Revision as of 02:43, 11 February 2026
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	\|}		\|}

	Note: The fuel variables are automatically filled from the fuel category (NFUEL_CAT) at initialization, which is contained in [Running WRF-SFIRE with real data in the WRFx system#Get fire static data\|static data]; they are normally not set by the user directly.		Note: The fuel variables are automatically filled from the fuel category (NFUEL_CAT) at initialization, which is contained in [[Running WRF-SFIRE with real data in the WRFx system#Get fire static data\|static data]]; they are normally not set by the user directly.

	== Fire intensities ==		== Fire intensities ==

2026-02-11T02:40:04Z

List of variables: link fuel variables

← Older revision		Revision as of 02:40, 11 February 2026
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	\|		\|
	\|}		\|}

			Note: The fuel variables are automatically filled from the fuel category (NFUEL_CAT) at initialization, which is contained in [Running WRF-SFIRE with real data in the WRFx system#Get fire static data\|static data]; they are normally not set by the user directly.

	== Fire intensities ==		== Fire intensities ==

2024-01-27T08:22:36Z

Introduction

← Older revision		Revision as of 08:22, 27 January 2024
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	sr_x=len(f.dimensions['west_east_subgrid'])//(len(f.dimensions['west_east'])+1)		sr_x=len(f.dimensions['west_east_subgrid'])//(len(f.dimensions['west_east'])+1)
	sr_y=len(f.dimensions['south_north_subgrid'])//(len(f.dimensions['south_north'])+1)		sr_y=len(f.dimensions['south_north_subgrid'])//(len(f.dimensions['south_north'])+1)
	fgrnhfx=f.variables['FGRNHFX'][:-sr_y,:-sr_x]		fgrnhfx=f.variables['FGRNHFX'][:,:-sr_y,:-sr_x]

	Variables on the fire mesh are located at the centers of the fire mesh cells of a 2D fire mesh.		Variables on the fire mesh are located at the centers of the fire mesh cells of a 2D fire mesh.

2024-01-27T06:48:45Z

Introduction: fixed strip code

← Older revision		Revision as of 06:48, 27 January 2024
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	from netCDF4 import Dataset		from netCDF4 import Dataset
	f=Dataset('wrfout','r')		f=Dataset('wrfout','r')
	sr_x=len(f.dimensions['west_east_subgrid'])/(len(f.dimensions['west_east'])+1)		sr_x=len(f.dimensions['west_east_subgrid'])//(len(f.dimensions['west_east'])+1)
	sr_y=len(f.dimensions['south_north_subgrid'])/(len(f.dimensions['south_north'])+1)		sr_y=len(f.dimensions['south_north_subgrid'])//(len(f.dimensions['south_north'])+1)
	fgrnhfx=f.variables['FGRNHFX']		fgrnhfx=f.variables['FGRNHFX'][:-sr_y,:-sr_x]
	~~fgrnhfx=fgrnhfx~~[~~...,~~:-sr_y,:-sr_x]

	Variables on the fire mesh are located at the centers of the fire mesh cells of a 2D fire mesh.		Variables on the fire mesh are located at the centers of the fire mesh cells of a 2D fire mesh.

	==List of variables==		==List of variables==

2012-12-14T19:23:32Z

Fire intensities

← Older revision		Revision as of 19:23, 14 December 2012
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	\| yes		\| yes
	\|}		\|}

			==See also==

			* [[How to interpret WRF variables]]

2012-05-06T16:11:09Z

List of variables: spacing

2011-10-19T05:41:26Z

List of variables

← Older revision		Revision as of 05:41, 19 October 2011
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	{\| border="1"		{\| border="1"
	\|+Fire variables on atm grid ~~(outputs to atm model)~~		\|+Fire variables on atm grid
	\| scope="col" \| Variable name		\| scope="col" \| Variable name
	\| scope="col" \| Description		\| scope="col" \| Description
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	{\| border="1"		{\| border="1"
	\|+Sfire variables on fire grid~~(also using inputs: zs,z_at_w,dz8w,nfuel_cat,zsf)~~		\|+Sfire variables on fire grid
	\| scope="col" \| Variable name		\| scope="col" \| Variable name
	\| scope="col" \| Description		\| scope="col" \| Description
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	\|		\|
	\|}		\|}


	== Fire intensities ==		== Fire intensities ==

2011-10-19T05:29:31Z

← Older revision		Revision as of 05:29, 19 October 2011
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	\|-		\|-
	\| scope="row" \| Reaction		\| scope="row" \| Reaction
	\|I<sub>R</sub>=H<sub>F</sub>(F<sub>0</sub>-F<sub>n</sub>)/<var>τ</var><sub>R</sub>		\|I<sub>R</sub> = H<sub>F</sub>(F<sub>0</sub>-F<sub>n</sub>)/<var>τ</var><sub>R</sub>
	\|I<sub>R</sub>=H<sub>F</sub>F<sub>0</sub>F<sub>r</sub>/(-T<sub>f</sub>ln(1-F<sub>r</sub>)		\|I<sub>R</sub> = H<sub>F</sub>F<sub>0</sub>F<sub>r</sub>/(-T<sub>f</sub>ln(1-F<sub>r</sub>)
	\| J/m<sup>2</sup>/s		\| J/m<sup>2</sup>/s
	\| no		\| no
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	\|-		\|-
	\| scope="row" \| Byram		\| scope="row" \| Byram
	\| I=H<sub>F</sub>R<sub>S</sub>F		\| I = H<sub>F</sub>R<sub>S</sub>F
	\| I=H<sub>F</sub>R<sub>S</sub>F<sub>0</sub>F<sub>r</sub>		\| I = H<sub>F</sub>R<sub>S</sub>F<sub>0</sub>F<sub>r</sub>
	\| J/m/s		\| J/m/s
	\| yes		\| yes
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	\|-		\|-
	\| scope="row" \| Fireline, new		\| scope="row" \| Fireline, new
	\| J(<var>Δ</var>t<sup>2</sup>) =		\| J(<var>Δ</var>t<sup>2</sup>) ≈ H<sub>F</sub>R<sub>S</sub>F<sub>0</sub> ∫<sub>a</sub><sup><var>Δ</var>t</sup><var>τ</var><sub>R</sub>/T<sub>f</sub> d<var>τ</var>
	\| J = H<sub>F</sub>R<sub>S</sub>F<sub>0</sub>/2T<sub>f</sub>		\| J = H<sub>F</sub>R<sub>S</sub>F<sub>0</sub>/2T<sub>f</sub>
	\| J/m/s<sup>2</sup>		\| J/m/s<sup>2</sup>

2011-10-18T18:49:09Z

Hangon

2011-09-30T03:03:19Z

Fire intensities

← Older revision		Revision as of 03:03, 30 September 2011
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	=== Fire intensities ===		== Fire intensities ==
	We introduce three fire intensities:		We introduce three fire intensities: