1.Whatis conventional sea-level pressure in millibars? In customs ofmercury?In pounds every square inch?A. Standard sea level air push is 1013mb(millibars), i m sorry is the exact same as 29.92 customs of mercury or 14.7poundsper square inch.2. Mercury is 13 time heavier than water. If you built abarometerusing water rather than mercury, how tall would it have to be to recordstandardsea-level pressure (in centimeters of water)?A. Traditional sea level pressure incentimetersequals 76 centimeter of mercury. Thus, the elevation of standard sea levelpressureif a water barometer is used would be 13 times higher, or 988 cm.3. Describe the rule of the aneroid barometer.A. One aneroid (without liquid) barometerconsistsof evacuated steel chambers the compress as air pressure boosts andexpandswhen air pressure decreases.4. What force is responsible because that generating wind?A. The push gradient force reasons windstoblow. Winds punch from greater pressure to lower pressure; thebiggerthe push difference, the better the wind speed.5. Compose a generalization relating the spacing that isobars come thespeedof wind.A. Very closely spaced isobars indicate a strongwind;widely spaced isobars show a irradiate wind.6. Exactly how does the Coriolis result modify waiting movement?A. The Coriolis effect (the deflectiveforceof Earth"s rotation) causes air to it is in deflected to the appropriate of itspathof movement in the north Hemisphere and to the left in the SouthernHemisphere.7. Comparison surface winds and also upper-air winds in terms of speedanddirection.A. Upper air winds normally parallel theisobars,the result of the pressure gradient force and the Coriolis effectbalancingone another. However, near Earth"s surface, friction slow thewinds.Since the toughness of the Coriolis result is proportional to thewindspeed, the Coriolis effect is diminished. Consequently, theCorioliseffect deserve to no much longer offset the pressure gradient force, and thesurfacewinds punch at an angle throughout the isobars.8. Describe the weather that generally accompanies a autumn inbarometricpressure and also a climb in barometric pressure.A. A drop in barometric pressureusuallyleads to merganser or stormy weather. A rise in barometric pressureusuallyindicates clear skies.9. Map out a diagram (isobars and also wind arrows) mirroring the windsassociatedwith surface cyclones and also anticyclones in both the north andSouthernhemispheres.A. Check out diagram 16.8, pg. 448.10. If you live in the north Hemisphere and are directly westofthe center of a cyclone, what most more than likely will be the wind direction?Whatwill the wind direction be if you room west of an anticyclone?A. The winds west that a cyclone in theNorthernHemisphere would certainly be northwest, and also winds west of an anticyclone wouldbesoutheast.11. The adhering to questions relate to the an international pattern that airpressureand winds?a) The trade winds diverge native which pressure zone?A. The profession winds diverge native thesubtropicalhighsb) which prevailing wind belts converge in the stormy regionknownas the polar front?A.
You are watching: Widely spaced isobars often indicate ________.
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The westerlies and polar easterliesconvergein the polar front.c) Which push belt is connected with the equator?A. The equatorial low push belt isassociatedwith the equator.