This is where my understanding of the JTWC prognosis breaks down! "UPPER-LEVEL ANALYSIS INDICATES THAT A SELF-INDUCED MESO-ANTICYCLONE HAS FORMED OVER THE LLCC..."

Self-induced meso-anticyclone? Is that anything like a bad hangover?

Yeah, i've experienced that self-induced mess after a night out before - but can't remember whether the room was spinning in an anti-cyclonic direction or not.