Words for: Weather
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A weather map showing what is happening at the ground over a large region at one moment in time, including highs, lows, fronts, and basic conditions at reporting stations.
Charts that show weather conditions observed at ground level across a wide area at a specific time, depicting features such as pressure systems, fronts, isobars, station observations, wind, temperature, dewpoint, and areas of precipitation.
Seen in aviation weather study, preflight planning, and discussions of how wind and pressure are shown on weather charts.
Surface here means at ground level, as opposed to maps that show conditions at altitude. The map shows the weather pattern across the surface of the Earth at one observation time.
They allow pilots to identify pressure gradients, frontal passages, and wind shifts that affect route selection, turbulence risk, and flight safety.
Picture one chart that lets you see the near-ground weather pattern across many stations at once instead of reading one airport report at a time.
Do not read “surface” as meaning only the runway or airport pavement. Here it means the lower part of the atmosphere near the Earth’s surface, where takeoffs, landings, and much of the weather affecting flight occur.
During the preflight briefing, the pilot reviewed the surface weather map and noted a cold front lying directly across the planned route.
The surface weather maps showed tightly packed isobars indicating strong winds across the planned route.