Why are PRE Important?

  • The occurrence and/or magnitude of these phenomena are often under-forecast

    • They tend to affect regions “outside of the current focus” (i.e. – where a TC is making landfall)
    • PRE are particularly efficient rainfall producers
      • Tropical moisture connection

  • PRE can ultimately worsen the effects from a TC

    • “Along-track” PRE – when the same areas get hit again with the more direct impacts of a TC


Slide 2

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