option torv Section: Open Stage feroes (c) Occluded stage b) Open stage Cooler a
ID: 116127 • Letter: O
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option torv Section: Open Stage feroes (c) Occluded stage b) Open stage Cooler air 1400 km (a) Cyclogenesis MP cP High 30 -1038 Hi a) Dissolving stage 38 Paçific WEATHER STATION SYMBOLS COLD FRONT WARM FRONT -Boise .Denver ·Wichita -columbus *Atlanta-springfield 75 998 41016 30 1038 47 1000 78 980 50 1007 STATIONARY FRONT CCCLUDED FRIONT 19 Figure 15.1 Idealized weather map-assume afternoon conditions 6. Boise, Idaho-label the weather conditions you think are occurring. Describe the dominant air mass and relative humidity.Explanation / Answer
Atlanta-Geogia
The marine hot air mass is mainly often felt in the Southeast US. In the coldness this space gathering is shove toward the equator but in summer it can cover up a great deal of the US east of the Rockies. This air mass marks from the humid waters of the Gulf of Mexico and Gulf Stream. The humid waters in this province disappear an mammoth level of water. freezing water current lean to calm the impression and create little vanishing while warm waters undermine the atmosphere and add wetness. The warm waters warm the low levels of the atmosphere. temperature in this air accumulation warm to highs in the 80's and 90's in the summer and the 70's and 80's in chill. High dewpoints characterize mT air. At all times of the year dewpoints are greater than 50 ° F. The majority of US shower activity develop within the mT airmass, most life form by way of scattered thermodynamic thunderstorms and thunderstorms out ahead of fronts.
As the nautical tropical airmass moves over land it begins to "pick up" kind of a continental climate. This is particularly true when the mT airmass move toward the North. The mT airmass modify due to lower sun angles, drier land below, and cooler land lower than.
Columbus,ohio
The basis region for mP air is in excess of cold sea currents or high freedom ocean waters. This air does not have the damp satisfied as mT air. Since mP air is forever close to saturation,orographic lifting of the air mass can make general rain or snow. This air mass is disreputable for producing fog, Scotch mist, gloomy weather and long lasting light to modest rain. The hotness of mP air ranges from just above cold to below 70 ° F. mP air is modified as it moves over prominent terrain. On the windward side of mountain ranges, mP air can produce an great quantity of rain and snow. Once on the lee side of mountain, the mP airmass modifies into a continental airmass. These air stacks produce cold fronts but the air is not as cold as polar or arctic front. They are often term "Pacific fronts" or "back-door cold fronts".
springfield
The cause region for cT air is the desert Southwest, the high plains and Mexico. The air has low dewpoints and warm to hot afternoon temperatures but with mild nighttime hotness. Due to the elasticity and elevation of cT air across North America, this air will advect into the mid levels of the ambience on one time it moves out of its source region. This create a cap of mild dry air. If this air advects over PBL mT air, the severe thunderstorm hazard increases significantly. The boundary of cT is most clear with the formation of a dryline. A drylineseparates mT air from cT air. Depending on the strength of the dryline, convergence along the dryline and the dynamics above the dryline, severe thunderstorms can form by a dryline boundary.
Wichita,kansas
The source area for A air is northern Canada. It has the identical kind as Polar air except it is colder with still lower dewpoints. This air often form when a high force area becomes nearly stationary over Eastern Alaska and the Yukon. Due to a near lack of winter solar radiation, copious surface snow/ice wrap and the incessant production of discharge from the Earth's surface the air will more and more become colder and colder. Temperatures can reach -30 ° F to -60 ° F. If the jet stream become meridional throughout the same time frame cold air builds, very cold air will add to into Southern Canada and the US. Once Arctic air move keen on the Southern US it modifies to glacial air and then eventually to modified glacial Air at the back the cold face boundary.
colorado
This airmass has short dewpoints, cold temperature and a elevated amount of constancy. The opacity of cP air create outside high force and a trough uphill, specially when cP air move into lower latitude. rain in alliance with cP air is typically light due to thedryness and low moisture aptitude of the air. rain is most universal on the "edges" of cP air, especially where it intersect and displace mT air. rain within a cP air mob is elevated and with passion induced. These dynamical uplift mechanism comprise jet streaks,isentropic lifting and positive differential vorticity advection. Cold surface temperatures and a dry boundary layer inhibit thermodynamic convection.
cP air modifies speedily as it move to the South. The dewpoints stay after short but the hotness of this airmass increase when stirring South due to the following: warmer soil temperature, a shallower airmass, higher sun angle and a need of surface snow cover. cP air will modify less rapidly if soil temperature are unusually low to the south (especially if surface snow cover exists). On some occasion the subtropical jet will "overrun" the shallow cP air. If this occur, the cP air will modify less rapidly due to a much abridged solar heat. Once cP air modify significantly it no longer make sense to label it Polar air. After alteration, cP air become modified cP air or customized mid-latitude continental air.
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