METAR Decoding Help

METAR CYTZ 011500Z AUTO 07033G43KT 2SM -RA OVC008 03/02 A2960 RMK

PCPN 3.0MM PAST HR PRESFR SLP026=

What does “PRESFR” mean? I coudn’t find it in the AIM. I’m guessing that it means “pressure falling rapidly”.

2 Responses

  1. Lostav8r says:

    You got it
    PRESFR = Pressure Falling Rapidly
    I think there is also
    PRESRR = which of course means Pressure rising rapidly

  2. Blake says:

    Great! Thanks for the confirmation.