1.A tornado (龙卷风) is a violently turning column of air that is in contact with both the surface of the earth and a cumulonimbus cloud (积雨云).Tornadoes come in many shapes and sizes,but they are typically in the form of a visible condensation funnel (漏斗).Most tornadoes have wind ...
They can be entirely buried by condensation, dirt, and debris and appear as a single funnel. SIZE Tornadoes in the United States often have a width of 500 feet (150 meters) and can travel 5 miles on the ground (8.0 km). Tornadoes, on the other hand, come in a variety of sizes. ...
A tornado (龙卷风) is a violently turning column of air that is in contact with both the surface of the earth and a cumulonimbus cloud (积雨云).Tornadoes come in many shapes and sizes,but they are typically in the form of a visible condensation funnel (漏斗).Most tornadoes have wind speed...
Forecast basicsIdentifying and understanding ingredients|Search for boundaries and gradients|Looking for what could go wrong::Spotting basicsTornado shapes and sizes|Tornadic radar signatures NavSPC tornado/severe risks|Satellite/surface observations|Key ingredients|General links|NWS office links|Warnings Tornad...
kickedupbythetornado'sstrongwindsat thesurface Atornadoisaviolent,rotatingcolumnofairwhichisincontactwith boththesurfaceoftheearthandacumulonimbuscloudor,inrarecases, thebaseofacumuluscloud.Tornadoescomeinmanysizesbutaretypically intheformofavisiblecondensationfunnel,whosenarrowendtouches theearthandisoftenencircled...
解答63.答案:A.细节理解题.根据"Various types of tornadoes include the landspout,multiple vortex tornado,and waterspout.Waterspouts are characterized by a spiraling (螺旋式的上升) funnel-shaped wind current,connecting to a large cumulonimbus cloud.They are generally classified as tornadoes that develop...
3.5.2 The speed of movement, lifetime, and path length 3.5.3 Sizes and weight 3.5.4 Frequency and places of generation 3.6. Types of Whirlwinds and Vortices 3.6.1 Invisible whirlwinds and vortices 3.6.2 Dust whirlwinds and vortices
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In this study, internal pressures for a structure with varying opening sizes, and internal volumes were generated using a numerical model, for two different types of tornado sizes and translation speeds.Benjamin LevitzChris LetchfordDarryl James
shelters are a popular choice for people looking for a safe and secure place to take shelter during severe weather events such as tornadoes or hurricanes. These shelters are made of steel and are designed to withstand the high winds and debris that are often associated with these types of ...