What Does BLSN Stand For?

BLSN stands for Blowing Snow METAR Code

BLSN stands for "Blowing Snow METAR Code." It is a meteorological code used to indicate the presence of blowing snow in weather reports. This code is part of the METAR system, which provides essential information about current weather conditions for aviation and meteorological purposes. BLSN specifically alerts aviators and meteorologists to reduced visibility associated with snow being transported by the wind, which can significantly impact flight operations and safety.