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When the barometric pressure is 29.49 inches of Mercury it means the pressure is slightly less than that at sea level. Sea level atmospheric pressure is regarded as 1 atmosphere (= 760 mmHg = 29.92 in Hg = 14.7 lb/in2 = 101.3 KPa)
Pressure lowers (the inches of mercury falls) as one's elevation above sea level increases or as low pressure fronts associated with warmer or wetter weather systems move into an area.
The indicated 1/2 inch difference would inicate being on a slight height of land, or that there was a low pressure zone (damp weather perhaps) in the area. More significant for weather is the rate of change of the barometric pressure.
What else can I help you with?
Does the barometric pressure seldom change?
It depends on what you mean by change. If your mean "Does the pressure swing from lows like 28 inches mercury (severe low) to 32 inches mercury (severe high)?" then the answer would be yes. This sort of shift is what causes most severe weather disturbances, such as lines of thunderheads. The collision of a high pressure and low pressure area cause strong winds, usually some precipitation, and even tornados and other severe weather. If, however, you mean "Is the barometric pressure constant most of the time?" then the answer would be no. The barometric pressure has constant small fluctuations, based on a number of factors.
What does up when the rain comes down?
If you mean what 'goes' up when the rain comes down, then the answer is the barometric pressure. A low pressure cell, which is a chief indicator of a rain storm, occurs when the barometric pressure drops below 30 points. As the storm dissipates, the low pressure cell changes, causing the barometric pressure to rise.
What does weather inches in pressure mean?
Air pressure measured in inches of mercury indicates the level to which a column of mercury rises after being set to a standard pressure initially. One end of the bent mercury tube is closed off, preserving the pressure that existed at the time the tube was closed. Changes in the level of mercury on the other side of the tube reflect changes in air pressure.
Does flies biting mean rain is coming?
No, flies biting does not necessarily indicate that rain is coming. Fly behavior is not a reliable indicator of weather patterns. Changes in barometric pressure and other environmental factors are more closely linked to predicting rain.
What does 29.91 in and falling mean on the barometer?
A barometer reading of 29.91 inches and falling indicates that the atmospheric pressure is decreasing. This usually signifies an approaching low-pressure system and potentially stormy weather conditions.
What does Barometric reading falling mean?
Falling barometric pressure usually indicates wet weather is on the way.
Does the barometric pressure seldom change?
It depends on what you mean by change. If your mean "Does the pressure swing from lows like 28 inches mercury (severe low) to 32 inches mercury (severe high)?" then the answer would be yes. This sort of shift is what causes most severe weather disturbances, such as lines of thunderheads. The collision of a high pressure and low pressure area cause strong winds, usually some precipitation, and even tornados and other severe weather. If, however, you mean "Is the barometric pressure constant most of the time?" then the answer would be no. The barometric pressure has constant small fluctuations, based on a number of factors.
What does a p0109 mean?
Trouble code P0109 means:Manifold absolute pressure/barometric pressure circuit intermittent
What is does this code mean p0105 on a Chevy trailblazer06?
Trouble code P0105 means:Manifold absolute pressure/barometric pressure malfunction
What does this code mean P0108?
Trouble code P0108 means: Manifold absolute pressure or barometric pressure circuit high input
What does code P0106 mean?
Trouble code P0106 means: Manifold absolute pressure or barometric pressure circuit, range or performance problem
What does code p0108 mean on 2002 ptcruiser?
Trouble code P0108 means: Manifold absolute pressure or barometric pressure circuit high input
If barometric pressure falls in one part of the world must it rise somewhere else?
Not necessarily. Barometric pressure changes are influenced by weather systems and atmospheric conditions in a specific region. So, a drop in pressure in one area does not always mean an increase in pressure elsewhere, as it depends on the movement and interaction of different air masses.
What does code P0107 mean in a 98 Oldsmobile intrigue?
Trouble code P0107 means: Manifold absolute pressure or barometric pressure circuit low input
What does 29.92 HG mean?
29.92 inches of mercury (inHg) is a standard measurement of atmospheric pressure, commonly used in meteorology. It represents the pressure exerted by a column of mercury that is 29.92 inches high at sea level. This value is often used as a reference point for barometric pressure, indicating standard atmospheric conditions. In aviation and weather reporting, it helps determine altimeter settings and forecast weather patterns.
What does code P0106 on a 2000 Mazda protégé mean?
Trouble code P0106 means: Manifold absolute pressure or barometric pressure circuit, range or performance problem
What does meterological data mean?
Meteorological data is information obtained from the atmosphere, Such as; barometric pressure, humidity, wind speed, and air temperature.
