The phrase storm surge watch comes from official coastal weather warnings, where it means life-threatening flooding from rising sea water is possible within the next couple of days. Short alert-style clips using that wording circulate online because they are instantly recognisable to anyone who follows hurricanes and tropical storms. Creators reuse them to frame storm coverage, explain evacuation zones, and add a sense of official urgency to edited footage, keeping the sound useful long after any single storm has passed.