In the Northern Hemisphere, gusty winds shifting clockwise, a rapid drop in temperature, thunderstorms or rain squalls in summer ( frequent rain / snow squalls in winter ) then a rise in pressure followed by clearing skies, indicate the passage of a(n) ______.A.warm frontB.tropical cycloneC.anticycloneD.cold front
In the Northern Hemisphere, gusty winds shifting clockwise, a rapid drop in temperature, thunderstorms or rain squalls in summer ( frequent rain / snow squalls in winter ) then a rise in pressure followed by clearing skies, indicate the passage of a(n) ______.
A.warm front
B.tropical cyclone
C.anticyclone
D.cold front
相关考题：
The dangerous semicircle of a hurricane in the Northern Hemisphere is that area of the storm ______.A.to the right of the storm's trackB.measured from true north clockwise to 180°TC.measured from true north counterclockwise to 180°TD.between the ship's heading and the bearing to the eye
When a high pressure system is centered north of your vessel in the Northern Hemisphere ______．A.You should experience hot，moist，clear weatherB.The wind direction is generally easterlyC.The winds should be from the southwest at your locationD.The winds should be brisk
The direction of prevailing winds in the Northern hemisphere is caused by the ______．A.Magnetic field at the North PoleB.Gulf StreamC.Earth's rotationD.Arctic cold fronts
A weather forecast states that the wind will commence backing. In the Northern Hemisphere this would indicate that it will ______.A.shift in a clockwise mannerB.shift in a counterclockwise mannerC.continue blowing from the same directionD.decrease in velocity
Brief, violent showers frequently accompanied by thunder and lightning are usually associated with ______.A.passage of a warm frontB.winds shifting counterclockwise in the Northern HemisphereC.stationary high pressure systemsD.passage of a cold front
Cumulonimbus clouds can produce ______.A.dense fog and high humidityB.gusty winds, thunder, rain or hail, and lightingC.clear skies with the approach of a cold frontD.a rapid drop in barometric pressure followed by darkness
If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position, what winds can you expect in the Northern Hemisphere?______.A.East to northeastB.East to southeastC.North to northwestD.South to southeast
In the Northern Hemisphere a wind is said to veer when the wind ______.A.changes direction clockwise, as from north to east, etcB.changes direction counterclockwise, as from south to east, etcC.changes direction violently and erraticallyD.remains constant in direction and speed
In the Northern Hemisphere, when the center of a high pressure system is due east of your position, you can expect winds from the ______.A.south to eastB.north to westC.north to eastD.south to west
In the Southern Hemisphere winds in a low pressure system rotate in a ______.A.clockwise directionB.northeasterly directionC.northerly directionD.counterclockwise direction
单选题In the Northern hemisphere northerly winds may cause temperature（）.AfallingBrisingCconstantDsame
单选题In the Northern Hemisphere，gusty winds shifting clockwise，a rapid drop in temperature，thunderstorms or rain squalls in summer (frequent rain/snow squalls in winter) then a rise in pressure followed by clearing skies，indicate the passage of a(n)（） .Awarm frontBtropical cycloneCanticycloneDcold front
单选题Generally speaking，in the Northern Hemisphere，when winds are blowing from between SE and SW the barometric reading（）.Amakes no change at allBis somewhat lower than it would be for winds from a northern quadrantCis uncertain and may fluctuate by increasing and decreasingDis somewhat higher than it would be for winds from the northern quadrant
单选题In the Northern Hemisphere，an observer at point II in the weather system should experience a wind shift from the（）.ASouthwest，clockwise to northwestBNortheast，clockwise to west-southwestCNortheast，counterclockwise to northwestDEast，counterclockwise to south-southwest
单选题The direction of prevailing winds in the Northern hemisphere is caused by the（）.AMagnetic field at the North PoleBGulf StreamCEarth's rotationDArctic cold fronts
单选题The dangerous semicircle of a hurricane in the Northern Hemisphere is that area of the storm （）.Ato the right of the storm's trackBmeasured from true north clockwise to 180°TCmeasured from true north counterclockwise to 180°TDbetween the ship's heading and the bearing to the eye
单选题Cumulonimbus clouds can produce（）.Adense fog and high humidityBgusty winds，thunder，rain or hail，and lightningCclear skies with the approach of a cold frontDa rapid drop in barometric pressure followed by darkness
单选题When a high pressure system is centered north of your vessel in the Northern Hemisphere（）.AYou should experience hot，moist，clear weatherBThe wind direction is generally easterlyCThe winds should be from the southwest at your locationDThe winds should be brisk
单选题In the Northern Hemisphere a wind is said to veer when the wind（）.AChanges direction clockwise，as from north to east，etcBChanges direction violently and erraticallyCRemains constant in direction and speedDChanges direction counterclockwise，as from south to east，etc
单选题In the Northern Hemisphere，winds veering sharply to the west or northwest with increasing speed are indications that a（）.Acold front has passedBlow pressure center is approachingCstationary front existsDhigh pressure center has passed
单选题The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.APressure gradientBCoriolis effectCAurora borealisDBallistic deflection
单选题A weather forecast states that the wind will commence backing. In the Northern Hemisphere，this would indicate that it will（）.Ashift in a clockwise mannerBshift in a counterclockwise mannerCcontinue blowing from the same directionDdecrease in velocity
单选题If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position，what winds can you expect in the Northern Hemisphere?（）.AEast to northeastBEast to southeastCNorth to northwestDSouth to southeast
单选题What will a veering wind do（）.AChange direction in a clockwise manner in the Northern HemisphereBCirculate about a low pressure center in a counterclockwise manner in the Northern HemisphereCVary in strength constantly and unpredictablyDCirculate about a high pressure center in a clockwise manner in the Southern Hemisphere
单选题In a tropical cyclone，in the Northern Hemisphere，a vessel hove to with the wind shifting counterclockwise is（）.Aahead of the storm centerBin the dangerous semicircleCin the navigable semicircleDdirectly in the approach path of the storm
单选题Between 65,000 and 35,000 years ago,______.Athe temperature changed a lotBthe earth was much warmer than it is nowCwinter isn't colder than summerDmost of the ice that melted was in the Northern hemisphere during the 30,000-year long ice age
单选题Which condition indicates that you are in a hurricane’s dangerous semicircle in the Northern hemisphere（）.AA backing windBA veering windCA northerDA strong，gusty wind