Which number in the wind report '18004KT' indicates the wind speed?

In the wind report '18004KT,' the wind speed is indicated by the number '04.' In this context, '04' means the wind is blowing at a speed of 4 knots. The '180' denotes the wind direction, which indicates that the wind is coming from the south (180 degrees). The 'KT' stands for knots, which is the unit of measurement for wind speed.

Understanding these components is essential for safe drone operations, as knowing the wind direction and speed helps pilots make informed decisions about flying conditions.