Aviation abbreviation

WSP

WSP stands for “weather system processor (replacement for LLWAS)” (General usage). Got a NOTAM full of contractions? Paste it into the decoder.

Related abbreviations

WSWSCMOWSHFTWSOWSOMWSRWSSFWSSUWSTCHWSWWSWRNWSWWD

Source: FAA Order JO 7340.2 Contractions. Not for operational use.