Aviation abbreviation

TSSA

TSSA stands for “thunderstorm with duststorm or sandstorm” (METAR usage). Got a NOTAM full of contractions? Paste it into the decoder.

Related abbreviations

TSTSATSATLCTSECTSFRTSGRTSGSTSMNOTSMOKTSNOTSNTTSO

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