The level at which an air parcel would rise on its own due to buoyancy occurs at _____ on the above skew-T diagram.

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To determine the level at which an air parcel would rise on its own due to buoyancy on a skew-T diagram, we examine where the parcel becomes buoyant relative to the environmental lapse rate and ambient air.
Option 1: 160 mb. This is a very low pressure, corresponding to a very high altitude. An air parcel typically would not begin its buoyant ascent from such a high altitude on a standard environment unless it were already warmer than its surroundings there. This option is unlikely as the initial buoyant rise usually starts lower in the profile where convection can initiate.
Option 2: 710 mb. This is a mid-to-low altitude level. If the parcel were warmer than the ambient air at this pressure level, buoyancy could occur there; however, on many skew-T diagrams, the level of free buoyant rise is not typically as high as 710 mb for a standard scenario unless significant instability is present. It is possible in some cases, but not the most common or expected level given the provided correct answer.
Option 3: 830 mb. This represents a relatively shallow ascent level. Buoyancy starting near this pressure would imply the parcel becomes buoyant only quite low in the profile, which can occur under strong surface-based instability, but again this is not the value identified as correct in the provided data.
Option 4: 860 mb. This option matches the verified correct answer provided, and corresponds to the level at which the parcel would first become buoyant along the diagram given the typical skew-T interpretation for a buoyant rise. In many standard skew-T interpretations, the level of free ascent (where the parcel becomes warmer than the environment and thus buoyant) is found around this pressure, indicating the onset of lift due to buoyancy.
In summary, each incorrect choice represents a plausible but less likely buoyant-start level given common skew-T interpretations, while 860 mb aligns with the expected onset level of buoyant rise for the scenario described in the question.

WX 301 WX301 Fall 2025 Exam 2 - Requires Respondus LockDown Browser

The level at which an air parcel would rise on its own due to buoyancy occurs at _____ on the above skew-T diagram.

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