What is the name of a strom consisting of a coloum of rapidly rotating air and having the appearance of a funnel-shaped cloud whose lower end touches the ground ?

Answer

To answer the question, we will follow these steps:

### Step 1: Understand the Characteristics of the Storm
We need to identify the characteristics mentioned in the question:
- A storm
- Consisting of a column of rapidly rotating air
- Appearing as a funnel-shaped cloud
- The lower end touches the ground

### Step 2: Identify the Type of Storm
Based on the characteristics:
- A column of rapidly rotating air is a key feature of certain storms.
- The funnel shape and the fact that it touches the ground are also significant.

### Step 3: Recall the Name of the Storm
The storm that fits all these descriptions is known as a **Tornado**. Tornadoes are characterized by their funnel shape and the rapid rotation of air.

### Step 4: Conclude the Answer
Thus, the answer to the question is **Tornado**.

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