Surface fronts & pressure systems

Identifying highs and lows from Open-Meteo pressure grids, with warm, cold, and stationary fronts inferred from temperature gradients. For the official chart, see the NWS WPC surface analysis link below.

Red L = low pressure · Blue H = high pressure · Red line with bumps = warm front · Blue line with spikes = cold front. WPC official surface chart →

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What the isobars say

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