Aviation abbreviation

HIESL

HIESL stands for “highest temperature equaled so late” (Weather usage). Got a NOTAM full of contractions? Paste it into the decoder.

Related abbreviations

HIHIALSHIBALHIEATHIEFMHIESEHIFORHIRIVHIRLHITMPHIWASHIXAT

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