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SubjectsGeography
तड़ितझंझा और बवंडर
In Class 11 Geography, this topic explains how thunderstorms and tornadoes develop within atmospheric circulation and weather systems. Students learn how uneven heating creates convection, rising moist air forms towering clouds, and instability, pressure differences, wind shear, and condensation intensify storms. The topic also distinguishes thunderstorms from tornadoes, describes their structure and life cycle, and examines associated hazards such as lightning, heavy rain, hail, strong winds, and sudden changes in weather.
Hard · Level 6 · 5 questions
TOPIC PRACTICE
Up to 5 questions from this page. Select your focus, then start.
A front is a boundary between contrasting air masses. At a cold front, denser cold air can force warm moist air upward; along a warm or stationary front, gradual ascent can also occur. If the lifted air is unstable and sufficiently moist, condensation and deep convection may produce thunderstorms.
A damage survey examines the direction and arrangement of fallen trees, debris, roof damage, and other evidence. Rotational winds may produce converging, divergent, or varying directions of fall, whereas straight-line winds often create a more consistent directional pattern. This helps distinguish tornado damage from downburst damage.
A low-precipitation supercell has a powerful, persistent rotating updraft that can suspend water droplets and ice particles for a long time. These particles may grow into large hail before falling, while the storm’s precipitation core remains relatively narrow or displaced, so the visible rainfall near the hail region can be comparatively low. Therefore, option B is correct.
A gust front is the advancing boundary of cool, dense air spreading outward from a storm’s downdraft. If it travels too far ahead, it may push away or block the warm, moist air that the parent storm needs as inflow. Without this sustained supply of buoyant air, the storm’s updraft weakens and the original thunderstorm may decay. Thus, option A is correct.
Heavy rain, darkness, dust, or poor visibility may conceal the funnel visually, but the rotating winds and flying debris remain present. A hidden tornado can therefore cause severe damage without being seen clearly. People should follow warnings and shelter instructions rather than wait for visual confirmation. C is correct.
QUIZ COMPLETE
