Your question: Which is a common first indicator of an approaching thunderstorm quizlet?

Which is a common first indicator of an approaching thunderstorm boat?

They usually appear as swift-moving black clouds, often approaching from the northwest southwest, south or west at speeds of 25-35 knots. You can determine the distance of an approaching thunderstorm by counting the number of seconds between the lightning flash and the thunder clap, and dividing by five.

What safety precaution should you take while filling the fuel tank quizlet?

What safety precaution should you take while filling the fuel tank of a gasoline-powered boat? Keep engines, motors, and fans turned off. Why should bilges be kept clean and free of trash? To reduce the risk of fire.

Which of the following is recommended as part of the annual maintenance program for a gasoline powered boat quizlet?

Recommended as part of the annual maintenance for a gasoline powered boat: Examination of thru-hull fittings for signs of leakage or corrosion.

What is the first action required of a boat operator who witnesses a boating accident?

An operator involved in a boating accident must: Stop his or her vessel immediately at the scene of the accident and… Assist anyone injured or in danger from the accident, unless doing so would seriously endanger his or her own vessel or passengers and…

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What does the B on b1 fire extinguisher indicate?

Answer: The letter “b” indicates it is effective against flammable liquid fires. Step-by-step explanation: The letters on fire extinguishers represents the class of fire for which they can be used.

Which is an indicator of bad weather approaching?

A rising barometer indicates fair weather. A falling barometer indicates foul weather is approaching. Watch for wind direction shifts, which usually indicate a weather change. Watch for lightning and rough water.

What weather signs are indicative of an approaching storm?

How To Tell A Storm Is Coming

  • Towering Cumulus Clouds: Cumulous clouds are those fluffy, cotton ball guys. …
  • Shelf Clouds: These look exactly what they sound like: shelves in the sky. …
  • Wall Clouds. …
  • Cloud Movement. …
  • Drastic Temperature Change. …
  • Sudden Wind Changes. …
  • Smoke Direction. …
  • Follow Your Nose.

Which direction is most likely to indicate an approaching storm?

Southerly Winds

The air circulates counterclockwise around low-pressure systems in the Northern Hemisphere, meaning that strong winds out of the south usually indicate the impending arrival of a storm.