FL Driving Instructor study materials
FL Driving Instructor study resources

Thunderstorm, Anxiety, and a Bald Tire

FL Driving Instructor · Put your knowledge to work in context.

All case studies

Thunderstorm, Anxiety, and a Bald Tire

It is July 15, 3:10 p.m., and you are on a limited-access highway with a 17-year-old on a first highway lesson. The sky is dark, lightning is visible, and a severe thunderstorm warning is active until 4:00 p.m. Standing water is forming in the right lane. The student is gripping the wheel, breathing fast, and saying 'I can't do this.' The school vehicle is a 2019 sedan with front tires at 3/32 inch tread; the rear tires are 6/32. You are 4 miles from the next exit and 12 miles from the school. Traffic is moving at 35-45 mph in a 65-mph zone. The lesson plan called for 30 minutes of highway merging and lane changes. Your phone mounts a school-approved dash camera.

1. What is your immediate risk decision and what do you instruct the student to do?

Read the worked answer

Exit the highway at the next exit. The combination of severe thunderstorm warning, standing water, a first highway lesson, and 3/32-inch front tires creates a hydroplaning and loss-of-control risk that outweighs the lesson objective. Do not stop on the shoulder unless the vehicle is disabled; a shoulder stop in low visibility exposes the car to traffic.

Give short, calm instructions: ease off the accelerator, do not brake hard, increase following distance to at least 6 seconds, keep low-beam headlights on, avoid lane changes, and signal early for the exit. If the student is too anxious to follow directions, have the student pull into a safe lot or take the wheel yourself. The instructor's job is to reduce task load, not to prove the lesson can continue.

2. How do you manage the student's anxiety and communicate the change?

Read the worked answer

Name the change and give the student a narrow job. 'We are getting off at the next exit. Your only job is to keep a big gap and follow my speed calls.' Slow the speech, use one instruction at a time, and have the student take three slow breaths at the exit ramp. Do not shame the student for saying 'I can't do this'; instead, separate the weather from the student's ability: 'This is a bad-weather day, not a bad-driving day.'

After stopping, ask what helped, and record the anxiety response for the next lesson. If the student remains panicked, end the lesson. A student who is flooded cannot learn vehicle control, and pushing through can create a lasting fear of highways.

3. What about the tires, documentation, and lesson credit?

Read the worked answer

Take the vehicle out of highway service. A 3/32-inch tread depth may be above the legal minimum, but it is below the 4/32-inch threshold commonly used for wet-weather replacement, and the front tires are the ones steering and braking. Replace or rotate before any further rain lesson.

Document the weather warning, the exit, the student's anxiety, and the tire measurements in the lesson record. Do not award credit for the planned 30 minutes of merging and lane changes; credit only the skills actually practiced-expressway entry, speed management, and an emergency exit. Notify the parent that the highway portion was discontinued for safety and that the lesson will be rescheduled. Accurate credit protects the school and keeps the student's training record honest.