Santa Fe Wildfire Evacuation
Agent-Based Modeling and Visualization Project

This page is a repository for files supporting the simulation project. It is not currently organized for any specific use other than sharing of data. If you have any questions about the content here, contact Porfirio Chavarria of Santa Fe Fire Department (505) 955-3119 or Stephen Guerin of RedfishGroup (505)995-0206.

 

2006 Project Sponsor: Shelley Nolde Rossbach, Santa Fe Fire Department (now retired)
Research and Development by Joshua Thorp, Frank Wimberly, Stephen Guerin, Owen Densmore, Doug Roberts, Michael Agar and David Hite and

SFFD Wildfire Brochure

Project Report

 


Santa Fe on Fire: Agent-based modeling of wilfire evacuation dynamics
(pdf)

 

 

Wildfire Scenarios - during extreme conditions: (40 mph SW winds, 10% rel. humidity, 98 degrees F, extreme fuel conditions)

Cerro Gordo Scenario
wxPython real-time interface with traffic and fire
.avi movie (54 mb)
   

Cerro Gordo Scenario (stress test)
wxPython real-time interface with traffic and fire
technical test. stress test of traffic on upper canyon. traffic amount is overstated.
.avi movie (70 mb)

   

Cerro Gordo Scenario
Green area in image indicates first hour of burn based on Farsite simulation.

Hyde Park Road Scenario
Green area of image indicates first hour of burn based on Farsite simulation. Red indicates the second hour of burn.

Cerro Gordo Scenario
close-up image with homes layer

I-25 Scenario
close-up image with homes layer

Cerro Gordo Scenario
3D animation of fire based on Farsite time of arrival estimates. Approximate smoke is added to indicate wind direction and reduced visibility during evacuation

Quicktime animation (5 mb)
.avi animation (37mb)

Richards Road I-25 Scenario
Green area of image indicates first hour of burn based on Farsite simulation. Red indicates the second hour of burn.

Cerro Gordo Scenario
3D animation of fire and traffic. (full traffic and driver behavior to be updated)

Quicktime animation (15 Mb)
.avi animation (30 Mb)

St John's / Wilderness Gate Scenario
Green area of image indicates first hour of burn based on Farsite simulation. Red indicates the seventh hour of burn.This particular run used mild weather and fuel conditions.

Cerro Gordo Scenario
3D animation of fire and traffic.

Quicktime animation (5 Mb)
.avi animation (34 Mb)

   

Download wildfire scenarios as Google Earth layers

SantaFeSimulatedWildfires noBuildings.kmz (1 mb)
SantaFeSimulatedWildfires withBuildings.kmz (10 mb)

       
Qualitative Research / Interviews

Tom Chilton Interview

Homeowner visits in Cerros Colorados with Shelley Nolde

 

Sandtable exercise at Agua Fria Fire Station March 24, 2006

Scenario Descriptions and Exercise Comments collected by Erik Litzenberg

Photos:

IMG_0412 IMG_0413 IMG_0414 IMG_0415 IMG_0417 IMG_0419 IMG_0420 IMG_0421
IMG_0423 IMG_0425 IMG_0427          

Movie Clips: (.avi format) low quality 10fps from small digital camera

 

 

 
GIS Data
Digital Elevation Image for Santa Fe. Resolution of 1/3 of an arc-second (10 meters)
jpeg , world file

Santa Fe Land Cover Classification
jpeg , world file

Canopy map
jpeg , world file

Streets image for Area of Study
png, world file

ArcGIS project file

Animations from Fire and Traffic Models


movie
Elevation Mesh from Digital Elevation Map (DEM)
Flyover from Sandias to Mt Baldy. Rendered in Blender. Elevation mesh was tranformed based on DEM data.

movie

Level 0 models for Intersection Study

Currently only random routing

One 2x2


movie

Cellular Automata Fire (low resolution)
Level 0 fire model
Simple modification to Netlogo fire model
No slope, no wind and uniform distribution of fuel with 60% density.


movie
Two 2x2


movie

Cellular Automata Fire (higher resolution)

movie
One 2x4

movie

Flyover of Santa Fe
Rendered in Blender. Elevation is a displacement map from a DEM JPEG image. This is contrast to the direct transformation fo the mesh based on the elevation data done in the movie above. A simple 4-color texture is on the terrain and a road texture mapwith an alpha chanel was included.


movie
Two 4x2

movie

Test render using Netlogo CA Fire and a homogeneous fuel model as a texture map


movie
Four 2x4

movie

Test render using CA Fire implemented in Blender


movie
Nine 2x2

movie

Test render of particle-based flame


movie
Custom 3D

movie
Test of low resolution aerial image as texture map

movie
Custom

movie

Test of medium resolution infrared image as texture map

movie

Moving camera test with 1000 random cars on network.

movie

Test render with simple CA Fire implemented in Blender
Corrected DEM. Tops of mountains are no longer mesas

   

SimWildfire
Interactive Web-based Shockwave application using cellular automata fire model on 3D landscape in Valle Caldera    
A screenshot of a 6-hour run of a cigarette butt scenario near the bend in I-25 near Old Pecos Trail. The fire (shown in white) has grown to 3034 acres in 6 hours (1228 hectares). The temperature is 98 degrees F with SW 40 MPH winds and 10% relative humidity. Note the 3 fire brands moving to the NE as the fire is affected by slope and wind.

 

 

 

A screenshot of a simulated Farsite southside fire that burns 6400 acres in 2.5 hours. Same conditions as above: 40 MPH winds, 98 degrees F and 10% relative humidity. Note the fire (white outline) jumps I25 to the south.    
Rendering of Farsite output

Perfunctory graph showing power law-like distribution of length road segments in Santa Fe area.

     
Project Code Library - No documentation yet.

All code produced is open source and free for use based on LGPL license. The software is currently undocumented without end-user interfaces.

If you have questions about the software, contact Joshua Thorp or Stephen Guerin of RedfishGroup at (505)995-0206.

FireCA_v0_5.zip : Fire Cellular Automata model in Python and Blender

WildfireEvacuationModel.zip : Full city evacutation model with Farsite Wildfire Simulation.(newer versions available)

Data input includes:

  • GIS road centerlines for Santa Fe
  • building outlines
  • Digital Elevation from USGS
  • intersection description file
  • evacuee behavior description file
  • Farsite output files. Required inputs
    • USGS DEM
    • Climate files (temperature, wind, rel humidity)
    • Initial attack descriptions (ground and air crews)
    • Fuel model
   

CC-GNU LGPL
This software is licensed under the CC-GNU LGPL.

Research Papers

Cova, T.J., Dennison, P.E., Kim, T.H., and Moritz, M.A. (2005) Setting wildfire evacuation trigger-points using fire spread modeling and GIS. Transactions in GIS, 9(4): 603-617. PDF

Cova, T.J., and Johnson, J.P. (2003) A network flow model for lane-based evacuation routing. Transportation Research Part A: Policy and Practice, 37(7): 579-604. PDF


diagram of crossings and merges

Cova, T.J., and Johnson, J.P. (2002) Microsimulation of neighborhood evacuations in the urban-wildland interface. Environment and Planning A, 34(12): 2211-2229. PDF

Cova, T.J., and Church, R.L. (1997) Modelling community evacuation vulnerability using GIS. International Journal of Geographical Information Science, 11(8): 763-784. PDF

Cova, T.J. (2005) Public safety in the urban-wildland interface: Should fire-prone communities have a maximum occupancy? Natural Hazards Review, 6(3): 99-108. PDF

Gershenson, Carlos (2004) Self-organizing traffic lights. ArchivX PDF

Netlogo model

Lindroth, Ron (2004). Community defense from wildfire, an international comparison. An applied research project submitted to the National Fire Academy
as part of the July, 2004 Leading Community Risk Reduction course. Word Doc

Oaks, Don (2000). Fight or Flight?. Fire Chief. April 1, 2000 html

 

Video footage

Oakland Berkeley Video of evacuees stuck in traffic with smoke and flame (requires Real Video)
The second clip of the three has the most relevant footage (local copy)

 Evacuee interview from Alpine Fire (requires Real Video)

File Repository - Raw Directory Listing