After you see a flash of lightning, count the number of seconds until you hear the thunder. (Use the stop watch or count “One-Mississippi, Two-Mississippi, Three-Mississippi,” etc.) For every 5 seconds the storm is one mile away.
How long do thunderstorms usually last for?
The typical thunderstorm is 15 miles in diameter and lasts an average of 30 minutes. Thunderstorms happen in every state and every thunderstorm has lightning. Thunderstorms may occur singly, in clusters, or in lines.
What happens after a thunderstorm?
Runoff from storm events is part of the natural hydrologic process. Rainwater that does not infiltrate into the ground, evaporate, or that is not used by plants will flow into lakes, streams, rivers, and washes.
What is the final stage of a thunderstorm called?
The Dissipating Stage
This is the end of a thunderstorm, at this point, due to a lack of warm rising air, moisture is gone and the storm mostly consists of downdrafts. These downdrafts are signs that the storm is dying out.
What are the 3 stages of thunderstorms?
Thunderstorms have three stages in their life cycle: The developing stage, the mature stage, and the dissipating stage.
Why are thunderstorms always at night?
Very few know why thunderstorms occur at night. At night the air cools rapidly. However the air near the ground doesn’t cool as fast because it is more humid/ contains more moisture than the air higher up.
Is it safe to watch TV in a thunderstorm?
It isn’t dangerous to watch TV during a thunderstorm, but the electronics in a TV set are vulnerable. If you have to make a telephone call, use a mobile phone detached from its cable rather than a landline device. Over-voltages resulting from a lightning strike may follow electrical conductors into the handset.
What’s the longest thunderstorm ever recorded?
In 1979 in Houston Texas a system came in and it was nonstop thunderstorms for better than 12 hours. In some locations this series of storms dropped 54 inches of water.
What should you not do during a lightning storm?
- Avoid water. Do NOT bathe, shower, wash dishes, or have any other contact with water during a thunderstorm because lightning can travel through a building’s plumbing.
- Avoid electronic equipment. …
- Avoid corded phones. …
- Avoid windows, doors, porches, and concrete.
How fast do thunderstorms move?
A severe thunderstorm is a thunderstorm that contains large hail, 1 inch in diameter or larger, and/or damaging straight-line winds of 58 mph or greater (50 nautical mph). Rain cooled air descending from a severe thunderstorms can move at speeds in excess of 100 mph.
Why are there no thunderstorms in California?
There is lighting in California. It may not be as common as it is in other states and this is due to the type of storms that are typical in California. California does not get the tropical storms that most the country gets. The storms in California come from off the cold Pacific Ocean.