Wind gust World Meteorological Organization. Any significant variation at this mean wind during the ten minutes preceding the observation are noted as gusts in messages such as METAR. It is generally reported in METAR when the peak wind speed reaches at least 16 knots and the variation in wind speed between the peaks and average wind is at least 9 to 10 knots. In marine meteorology, the top speed of a burst is expressed in meters per second (m/s) or in knots, while the Beaufort scale is used for reporting the mean speed. When the maximum speed exceeds the average speed by
Daniel Cornelius de Beaufort succeeded by Samuel Grove. De Beaufort married Esther Gougeon and they had a son Daniel Augustus Beaufort (1739–1821) who was a priest and distinguished cartographer. His son was Sir Francis Beaufort (1774-1857), Royal Navy officer and hydrographer and the inventor of the Beaufort Scale for indicating wind force. In 1746, de Beaufort accompanied the Earl of Harrington to Ireland as chaplain and in 1747 he received the benefice of Navan, Meath. In 1753 he was appointed to be Provost of Tuam and he later became rector of Clonenagh. Daniel Cornelius de Beaufort Daniel Cornelius de Beaufort (1700-1788) was rector of