Weather servicesQuestion 385 of 934

What does any Convective SIGMET imply?

  1. Moderate turbulence, light icing, and low-level wind shear
  2. Severe clear air turbulence at high altitude, with no icing
  3. Severe turbulence, severe icing, and low-level wind shear
  4. Severe icing and wind shear, with only light turbulence
Show answer

Correct answer: Severe turbulence, severe icing, and low-level wind shear

A Convective SIGMET can also be issued for any convective situation the forecaster feels is hazardous.

Source: Aeronautical Information Manual (FAA, Basic with Change 3, 9 July 2026), AIM 7-1-6 Inflight Aviation Weather Advisories, page 530

Practice weather services

Questions last reviewed: 18 October 2026