... anemometer, often do operate for 4 times of a day (7am, 1pm, 7pm and 1am of next day) for making daily official report and whenever “strong wind” occurs, observer will soon operate indicator of anemometer ... One of authors, Mr. L.T. Giang would like to give his best thanks to Prof. N.D. Bich (Vietnam Institute for Building Science and Technology), Prof. T.V. Lien, Dr. D.Q. Nga (Vietnam Institute of ... combined probability of maximum wind and cumulative probability of maximum wind of wind mechanism i ; u is wind speed state variable. In the case T=1, it is epoch of annual maxima. 3.2....