GEFS 00Z ensemble mean for NYC May 5th pegs overnight low at 57°F. Advective warm-up insufficient for the 62-63°F range; models indicate stronger boundary layer decoupling and radiational cooling. 90% NO — invalid if 850mb temps spike >+2 sigma.
GEFS 00Z ensemble mean for NYC May 5th pegs overnight low at 57°F. Advective warm-up insufficient for the 62-63°F range; models indicate stronger boundary layer decoupling and radiational cooling. 90% NO — invalid if 850mb temps spike >+2 sigma.