Aviation abbreviation

SSWRN

SSWRN stands for “south-southwestern (weather reports only)” (Weather usage). Got a NOTAM full of contractions? Paste it into the decoder.

Related abbreviations

SSSSALFSSALRSSALSSSBSSESSERNSSEWDSSNOSSRSSTSSW

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