wall cloud造句

• Tornadic wall clouds tend to have strong, persistent, and warm inflow air.
• Rotating wall clouds may be a visual manifestation of a low-level mesocyclone.
• As the wall cloud descends, a funnel-shaped cloud may form at its center.
• People seeing a shelf cloud may believe they have seen a wall cloud.
• The wall cloud tends to form closer to the center of the mesocyclone.
• The wall cloud is a spinning layer of clouds descending from the mesocyclone.
• As the updraft rotates, it may form what is known as a wall cloud.
• Rotating wall clouds are the visual manifestation of a mesocyclone.
• The wall cloud showed no signs of rotation and dissipated shortly after being spotted.
• Tornadoes may also occur without wall clouds, under flanking lines, and on the leading edge.
• The wall cloud withers and will often be gone by the time the tornado dissipates.
• Tornadogenesis is most likely when the wall cloud is persistent with rapid ascent and rotation.
• Around 4 : 25 p . m ., they observed rotation in the wall cloud.
• Three funnel clouds then spun up and lowered beneath the center of the rotating wall cloud.
• Only wall clouds that rotate spawn tornadoes, and usually precede the tornado by five to thirty minutes.
• Eyewall and wall cloud are used synonymously.
• At the point where the two zones meet, there is a wall cloud that could initiate tornadoes.
• Anticyclonic tornadoes can occur as the primary tornado with a mesocyclone and under a rotating wall cloud.
• From eyewitness accounts of the wall cloud, circulating air may have reached the ground without a visible funnel.
• This convergence of warm air in the updraft, and this cool air, causes a rotating wall cloud to form.