The NWS warns: "A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A ...

(a) The relative influence of solar wind on different lunar locations. (b) The relative (micro)meteoroid flux at different longitudes. (c) The relative contribution of solar wind and (micro ...

A capacitor type of hygrometer is usually used to measure relative humidity ... Cup anemometer with separate wind vane - Uses three cups to measure wind speed, while a wind vane measures wind ...