CLIMATE OF LAOS

The report consists of two parts. Part 1 is an annual discussion Part 2, a monthly discussion. Essentially based on previously available data, however, precipitation analyses and ceiling and visibility data are new. Part 1 has an introduction with geographical sketch, climatic outline with expanded statements on temperature, relative humidity, precipitation, cloudiness, winds a regional discussion mountains and Mekong lowlands climatic conditions discussing general circulation, seasonal weather, air masses geographic controls including effects of topography, continentality, oceans and latitude special phenomena including local winds, floods and droughts, tornadoes, hail, duststorms, extratropical cyclones, fronts, tropical cyclones and convergence zones and a weather elements section with detailed discussions of temperature, humidity, precipitation, cloudiness, thunderstorms, turbulence, hail, visibility, wind and aircraft icing. Part 2 monthly discussions contain a climatic brief followed by discussion on temperature, humidity, precipitation, thunderstorms, cloudiness, visibility, obstructions to vision, winds, temperatures aloft and combined ceilingvisibility. It contains a station locator and topography map showing major terrain features.