What a Moderate Storm Warning Really Means | RainViewer Blog

TL;DR: “Moderate” does not describe a weak storm. It describes where the warning sits in Romania’s official hierarchy. The ANM system uses four colour codes: green, yellow, orange and red Yellow flags intense but usually localised events that need attention, not emergency measures The same storm can carry different codes for different hazards on the same day The gap between codes is institutional response, not just intensity A warning covers a whole county, even though thunderstorms are local by nature A yellow-code weather warning for thunderstorms with lightning shows up on phones across Rom