An outflow boundary, or gust front, is a mesoscale cold front formed by cold, dense air spreading outward from thunderstorm downdrafts, appearing as a tan dashed line on surface analysis charts. These ...

Surface charts are foundational, reliable tools for pilots, forming the core of weather briefings and primarily constructed from current, hourly METAR data. Each surface data plot contains ...

Question: What are constant pressure charts? Answer: Constant pressure charts like the 500 mb chart shown below may seem obvious to interpret. It has many features similar to what you might see on the ...