Using the prescribed order, which of the following required remarks would be the first entry in column 14 (Remarks)?

In weather observation reports, column 14 is dedicated to remarks, and these remarks must be entered in a specific order based on their priority. When we look at the options provided, the order of priority helps us determine which remark should be entered first.

The remark indicating a wind shift (WSHFT 1957) is a high-priority observation, as wind shifts can significantly impact flying conditions and lay the groundwork for understanding current weather trends. It represents a significant change in conditions that pilots and meteorologists need to be aware of immediately when interpreting weather reports.

In the context of the other options, while they provide useful information, they do not represent a primary or urgent weather condition as much as a wind shift does. For example, noting the occurrence of virga, hail, or occasional lightning is important, but they can be perceived as secondary to immediate and impactful changes like wind shifts, particularly in aviation where wind conditions can greatly affect safety and performance.

This hierarchy of observation reporting is crucial for pilots and meteorological services to quickly assess vital weather situations based on changing conditions, rendering remarks like WSHFT not only important but also necessary to address as a priority in weather observation records.