Prepare for the NWCG Introduction to Wildland Fire Behavior Calculations (S-390) exam with this comprehensive guide, covering key concepts and strategies to enhance your understanding of fire behavior in wildland settings.

Examzify course visual
NWCG Introduction to Wildland Fire Behavior Calculations (S-390)
Download on the App StoreGet it on Google Play
Question of the day

Define Critical Wind in wildfire behavior terms.

Critical Wind is the wind strength and direction at which wind becomes the primary driver of a wildfire’s behavior, dominating spread, rate of spread, flame length, and spotting potential. When winds reach this threshold, the fire becomes wind-driven: flames lean forward, fuels dry and preheat ahead of the front, embers can travel long distances causing spotting, and the fire can outrun suppression efforts. This is why the wind is said to totally dominate the fire environment. The other ideas—calm or stable winds, winds only affecting smoke, or winds with no effect on fire behavior—do not capture how a strong wind governs the entire fire behavior.

Unlock the full question bank

This demo includes a limited set of questions. Upgrade for full access and premium tools.

Full question bankFlashcardsExam-style practice
Unlock now

The NWCG Introduction to Wildland Fire Behavior Calculations (S-390) exam is an essential step for individuals pursuing careers in wildland firefighting. This test evaluates the understanding of critical concepts in fire behavior, ensuring that participants are well equipped for on-the-ground scenarios.

Exam Format

The S-390 exam primarily consists of multiple-choice questions. These questions are designed to assess a range of competencies related to wildland fire behavior. Examinees can expect:

  • Approximately 50 multiple-choice questions.
  • Questions covering various scenarios and fire behavior calculations.
  • Analytical questions requiring the application of learned concepts.

The exam aims to test not just rote memorization of facts but also the ability to apply knowledge in simulated real-life situations. Participants should be prepared to demonstrate comprehensive understanding and quick problem-solving skills.

What to Expect on the Exam

The NWCG S-390 exam content focuses on critical fire behavior components such as:

  • Fire Weather: Understanding the impact of weather conditions on fire behavior.
  • Fire Environment: Analyzing topography, fuels, and how these interact during a fire.
  • Fire Dynamics: Calculation of rate of spread, flame length, and fire intensity.
  • Predictive Tools: Use of models and calculation charts to predict fire behavior.

Being well-versed in these areas is crucial for successfully passing the exam and for practical application during wildland firefighting operations.

Tips for Passing the Exam

  • Understand the Basics: Start with a solid understanding of the principles of fire behavior. Make sure you're familiar with weather influences, fire dynamics, and the physical characteristics of different fuels.

  • Utilize Practice Resources: Many resources, including practice tests, similar questions, and detailed explanations, are available online to aid in your preparation. These can simulate the testing experience and highlight areas needing further study.

  • Apply Practical Scenarios: Engage in exercises that require applying your knowledge to hypothetical fire scenarios, helping in intuitively understanding the material rather than merely memorizing it.

  • Study Guides and Textbooks: Ensure you have the latest editions of study guides that align with NWCG standards. These resources are invaluable for focused study sessions.

  • Join Study Groups: Collaborating with peers can offer new insights and make the study process engaging. It allows for discussion, clarification of doubts, and shared learning experiences.

  • Time Management: Practice managing your time efficiently during mock exams to ensure you can complete all questions swiftly under exam conditions.

  • Periodic Reviews: Regularly revisit key concepts and calculations to reinforce learning and improve recall speed during the actual test.

Preparing adequately for the NWCG Introduction to Wildland Fire Behavior Calculations (S-390) Test can significantly impact your confidence and performance levels. Successful completion of this exam not only enhances your credentials but also builds foundational skills necessary for safety and effectiveness in wildland fire management.

Find the option that is right for you!

All options are one-time payments.

$12.50

30 day premium pass

All the basics to get you started

  • Ad-free experience
  • View your previous attempt history
  • Mobile app access
  • In-depth explanations
  • 30 day premium pass access
$30.00 $87.50 usd

6 month DELUXE pass (most popular)

Everything with the 30 day premium pass FOR 6 MONTHS! & the ultimate digital PDF study guide (BONUS)

  • Everything included in the premium pass
  • $87.50 usd value for $30.00! You save $57.50!
  • + Access to the ultimate digital PDF study guide
  • + 6 months of premium pass access
  • + Priority support
$12.50 $18.99

Ultimate digital PDF study guide

For those that prefer a more traditional form of learning

  • Available for instant download
  • Available offline
  • Hundreds of practice multiple choice questions
  • Comprehensive content
  • Detailed explanations
Image Description

Start fast

Jump into multiple-choice practice and build momentum.

Flashcards mode

Fast repetition for weak areas. Flip and learn.

Study guide

Prefer offline? Grab the PDF and study anywhere.

What you get with Examzify

Quick, premium practice, designed to keep you moving.

Unlock full bank

Instant feedback

See the correct answer right away and learn faster.

Build confidence with repetition.

Improve weak areas

Practice consistently and tighten up gaps quickly.

Less noise. More focus.

Mobile + web

Practice anywhere. Pick up where you left off.

Great for short sessions.

Exam-style pace

Build speed and accuracy with realistic practice.

Train like it’s test day.

Full bank unlock

Unlock all questions when you’re ready to go all-in.

No ads. No distractions.

Premium experience

Clean, modern UI built for learning.

Focused prep, start-to-finish.

FAQs

Quick answers before you start.

What skills are necessary for a career in wildland fire behavior analysis?

A wildland fire behavior analyst needs strong analytical abilities, understanding of fire science, and skills in predicting fire spread. Proficiency in using software tools for modeling fire behavior is also essential. Additionally, good communication skills to convey findings clearly to teams are crucial in this role.

What salary can one expect as a wildland fire behavior analyst in the US?

Wildland fire behavior analysts typically earn a salary ranging from $50,000 to $100,000 annually, depending on experience and location. In states like California, salaries can be on the higher end due to demand, making it a rewarding career for those skilled in fire behavior calculations.

How can I prepare effectively for the wildland fire behavior exam?

Effective preparation involves reviewing fire behavior concepts, utilizing study guides, and taking practice exams. Engaging with peers in study groups and participating in workshops can also enhance understanding. Exam prep resources available online can provide valuable insights into the exam format and sample questions.

What are the main topics covered in the wildland fire behavior exam?

The wildland fire behavior exam covers various topics, including fire dynamics, spread patterns, fuel types, and weather influences on fire behavior. Understanding the fire triangle and models used to predict fire spread is crucial for success on the exam, as these are foundational concepts in wildland fire analysis.

How often is the wildland fire behavior exam offered?

The wildland fire behavior exam is typically offered several times each year, often in conjunction with training sessions or workshops. Check with relevant training programs or agencies for specific dates and locations. Being aware of these schedules can help in planning your exam preparation effectively.

Reviews

See what learners say.

4.28
Review ratingReview ratingReview ratingReview ratingReview rating
18 reviews

Rating breakdown

95%

of customers recommend this product

  • Review ratingReview ratingReview ratingReview ratingReview rating
    User avatar
    Nina P.

    Using Examzify felt like having a focused study partner. The questions challenge you to apply equations under time, and the practice notes helped me review quickly. It’s convenient on the phone, which kept my study habit steady as I prepared for the exam.

  • Review ratingReview ratingReview ratingReview ratingReview rating
    User avatar
    Alex M.

    After using Examzify for the NWCG S-390 prep, I felt ready for the questions on fire behavior calculations. The explanations are concise, and the flash cards highlighted key formulas I kept forgetting. The random question set prevented memorizing order, which boosted my confidence for exam day.

  • Review ratingReview ratingReview rating
    User avatar
    Tom L

    I expected a bit more depth in some topics, but the random quiz bank on Examzify still helped identify weak spots. The explanations are decent, and flash cards are useful for last-minute reviews. Not a game changer, but it does enough to improve focus before the real test.

View all reviews

Ready to practice?

Start free now. When you’re ready, unlock the full bank for the complete Examzify experience.

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy