Fog is water droplets suspended in the air at the Earth's surface. Fog is often hazardous when the visibility is reduced to a ¼ mile or less.(source #4)
Educational Resources - Search Tool
20 to 30 mph winds. (source #4)
Precipitation that falls to earth in drops more than 0.5 mm in diameter. (source #4)
Precipitation in the form of ice crystals. It has a hexagonal form and often agglomerated (grouped/bunched together) into snowflakes. It is formed directly from the freezing [deposition] of the water vapor in the air. (source #4)
A National Weather Service convective precipitation descriptor for a 10 percent chance of measurable precipitation (0.01 inch). Isolated is used interchangeably with few. (source #4)
An official sky cover classification for aviation weather observations, when the sky is completely covered by an obscuring phenomenon. This is applied only when obscuring phenomenon aloft are present--that is, not when obscuring phenomenon are surface-based, such as fog. (source #4)
An aggregation in the atmosphere of very fine, widely dispersed, solid or liquid particles, or both, giving the air an opalescent appearance that subdues colors. (source #4)
transported or carried by the air. (source #5)
A large-scale circulation of winds around a central region of low atmospheric pressure, counterclockwise in the Northern Hemisphere, clockwise in the Southern Hemisphere. (source #4)
A tropical cyclone in which the maximum 1-minute sustained surface wind is 33 knots (38 mph) or less. (source #4)