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What barometer indicates that foul weather is approaching

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A falling pressure on the barometer indicates bad weather approaching, especially if falling rapidly.

What indicates that foul weather is approaching when your'e in a boat

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Usually on boats they have a barometer, and when the barometer begins to fall it indicates that bad weather is approaching.

Severe Weather and How to Determine the Distance of an ... - Boat Ed

www.boat-ed.com/pennsylvania/studyGuide/Severe-Weather-and-How-to-Determine-the-Distance-of-an-Approaching-Thunderstorm/101039_101039206/

To determine the distance you are from an approaching thunderstorm: Count the number ... A falling barometer indicates foul weather is approaching. Watch for ...

What does it mean when a barometer is rising or falling? - Science

science.howstuffworks.com/nature/climate-weather/atmospheric/barometer.htm

A barometer is an instrument that is used to predict the weather. ... "rising" barometer indicates increasing air pressure; a "falling" barometer indicates decreasing ...

What does a falling barometer indicate? | Reference.com

www.reference.com/science/falling-barometer-indicate-567a5e676199dcdb

A falling barometer reading usually indicates that a storm or wet weather is approaching. A more rapid change indicates the weather will change sooner.

Basic Boating Safety Course - Weather and Your Boat

www.boatingbasicsonline.com/content/general/5_3.htm

Certain signs you can look for indicate an approaching weather change: Although ... If you have a barometer on your boat, check it every two to three hours.

Fishing by the Barometer | The Weather Channel

weather.com/sports-recreation/fishing/news/fishing-barometer-20120328

Aug 8, 2012 ... Hg.A barometer reading of 30 inches (Hg) is considered normal. ... As a very general rule, approaching weather systems - such as cold and ...

What does the rapidly falling barometric pressure indicate? - Quora

www.quora.com/What-does-the-rapidly-falling-barometric-pressure-indicate

Falling pressure indicates the mass of the atmosphere above a point is decreasing, which can ... An approaching center of low pressure means the barometric pressure will be ... Ship captains had a barometer in the command bridge, and on the ... Sometimes this means bad weather is on the way as pressure differential ...

Ways to Predict a Storm With Air Pressure | Education - Seattle PI

education.seattlepi.com/ways-predict-storm-air-pressure-6349.html

Pressure readings are most useful for forecasting weather during the next 12 to 24 hours. ... Steadily falling barometer readings indicate an approaching storm.

Air pressure and meanings of changes in air pressure

www.bohlken.net/airpressure2.htm

But not all changes in air pressure are weather depending ! ... periods you may think for days or even weeks that your barometer is out of order. ... A rapid fall of air pressure is a sign for an approaching low and is a sign for bad weather.