RVR Abbreviations

[GearUp CheerUp]

Could anyone provide a list of the qualifying abbreviations that go with RVR reports on METARs?

I understand that P = greater than and U = increasing but what are the others eg reducing?

[28thJuly2001]

Have a look at http://www.avweb.com/toc/metartaf.html
Think you will find all the information you will need (and more)
Walt,,