UBC ATSC 413 - Forest-fire Weather & Climate

Thursday Schedule - Fires

(Follow this schedule to access fire cases, online lectures, homeworks, and quizzes. In this hybrid course, material is presented both in person and online.)


Week 05 Thursday:
     Theme: Canadian Fire Weather Index (FWI) system and other Fire Weather metrics

Topic Activities & Assignments Learning Goals. By the end of this section, you will be able to ...
Lab / HW

Start reviewing the topics below and answering the assignment questions in class as Lab work, and finish at home as homework. Submit via Canvas within a week after today.

Focus your studies of the topics below in order to answer the attached Lab/Homework questions.
FWI Moisture Codes See fb11 Calculate and use the Fine Fuel Moisture Code (FFMC), Duff Moisture Code (DMC), Drought Code (DC).
Build up Index (BUI) and Initial Spread Index (ISI) See fb14 Use and calculate the Build-Up Index (BUI) and the Initial Spread Index (ISI), and explain their dependencies on weather.
Fire Weather Index (FWI) and Daily Severity Rating (DSR) See fb15 & fb25 Use and calculate the Fire Weather Index (FWI) and the Daily Severity Rating (DSR), and explain their dependencies on weather.
Weather Briefing Short (10 minute) weather briefing on Vancouver weather by a student team. Utilize the weather-briefing "cookbook" to select which images and movies to show. Give a well structured weather briefing using appropriate maps and graphs, and finishing within the alotted time. Gain experience in public speaking and working as a team. Strengthen your understanding of atmospheric dynamics and thermodynamics. Strengthen your ability to form a 3-D picture of the weather in your mind. Utilize appropriate terminology and jargon.
Other fire weather metrics See fb16 Use and calculate Vapor Pressure Deficit (VPD) and Hot-Dry-Windy Index (HDWI). Use and calculate the Crossover Index (CI) and the Haines Index, and explain their dependencies on weather.
Fire Behavior Prediction (FBP) system Overview See fb17. Describe the 5 main types of inputs, and the four primary outputs, of the FBP system, and discuss how they are related to Byram's equation for fire intensity.