温おん低ていおんていMeanings1nounextratropical cycloneabbreviationAbbreviation of 温帯低気圧. Used in weather forecasts and meteorological discussions.See also: 温帯低気圧明日あしたは温おん低ていが接せっ近きんするため、天てん気きが崩くずれるでしょう。Tomorrow the weather will likely worsen as an extratropical cyclone approaches.