What Is Invest?
A weather disturbance that forecasters are watching closely because it could become a tropical storm. It gets a number like 91L. In technical terms: An area of interest designated by NHC or JTWC for focused data collection and model guidance, numbered 90-99 with a basin suffix (L Atlantic, E eastern Pacific, C central Pacific); invest status carries no implication about development probability.
Invest In Plain English
A weather disturbance that forecasters are watching closely because it could become a tropical storm. It gets a number like 91L.
The Technical Definition
An area of interest designated by NHC or JTWC for focused data collection and model guidance, numbered 90-99 with a basin suffix (L Atlantic, E eastern Pacific, C central Pacific); invest status carries no implication about development probability.
