Extratropical Transition Technique

Extratropical Transition Technique

The extratropical transition (XT) technique is a system used to subjectively estimate the intensity of tropical cyclones undergoing transition into extratropical cyclones based on visible and infrared satellite imagery. The system is used by the Joint Typhoon Warning Center (JTWC) in place of the Dvorak technique, as the loss of central convection in transitioning tropical cyclones can cause the Dvorak technique to fail; the loss of convection results in unrealistically low estimates using the Dvorak technique.

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