Consider the station model below from University Park, Pennsylvania. What is the approximate wind direction at this station in degrees (assuming that north is at the top center of the image)? You may want to refer to this image of compass angles
Links to an external site.
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Question

BlackTom AI · Accepted Answer

The task presents a station model image-driven question asking for the approximate wind direction in degrees, with the north direction defined as the top of the image.

First, I need to restate what is given: a station model from University Park, PA, and a prompt to determine wind direction in degrees. The provided data shows the correct answer as 130 degrees, but there are no answer options listed in the data you provided, which means I cannot compare multiple-choice choices.

Next, recall how to read wind direction from a station model: the wind direction is described as the direction from which the wind is blowing. On a station model, this is typically indicated by the orientation of the wind barb or wind streak on the circle, relative to true north (top). If the stem or main line of the wind symbol points toward a certain bearing, wind comes from the opposite direction of that bearing. For example, a wind symbol oriented toward the southeast corresponds to a wind coming from the northwest, and vice versa.

Since the stated correct answer is 130 degrees, that would imply a wind that is coming from roughly 130 degrees on a compass, i.e., from the southeast (south-southeast). Read carefully: if the diagram’s wind barbs/line are aligned or pointed in such a way that the wind is blowing toward 130 degrees, the origin would be approximately 310 degrees. Conversely, if the convention applied is “wind direction is the direction wind is coming from,” then a direction of 130 degrees as the prevailing bearing would mean the wind is coming from the southeast (around 130°). Depending on the convention used in the specific teaching material, students should verify whether the model’s orientation is showing the wind’s origin or its travel direction.

Because there are no explicit answer choices to evaluate, I cannot comment on why other options would be incorrect in this instance. In general, when options exist, you would assess each alternative by matching the compass bearing to the visual orientation of the wind symbol on the station model, then explain why that bearing corresponds to the wind’s origin or its travel direction as defined by the instruction.

In summary, with the provided information, the identified approximate wind direction is 130 degrees, indicating a southeast-oriented bearing. If your course uses the convention that wind direction indicates where the wind is coming from, then 130° would mean the wind is coming from roughly the southeast; if it uses the convention that wind direction indicates where the wind is going to, then 130° would indicate the wind is blowing toward the southeast. The absence of explicit answer options here prevents a choice-by-choice critique, but the key concept is to read the station model’s wind symbol and apply the chosen convention consistently.

Consider the station model below from University Park, Pennsylvania. What is the approximate wind direction at this station in degrees (assuming that north is at the top center of the image)? You may want to refer to this image of compass angles Links to an external site. . 单项选择题

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