| Indian summer |
a late period of warm dry sunny weather, usu. in late fall or early winter. |
| isobar |
a line on a weather map drawn between places that have the same barometric pressure during a given time or period. [1/2 definitions] |
| isotherm |
a line on a weather map or chart that connects all points on the earth's surface that have the same average temperature over a specified period, or the same temperature at a given time. |
| isothermal |
of or pertaining to a line on a weather map connecting points that have equal temperatures. [2/3 definitions] |
| Jack Frost |
the personification of frost or cold weather. |
| Jupiter |
in Roman mythology, the supreme god who was the weather god and protector of state and law; Jove; Zeus. [1/2 definitions] |
| lifeline |
a safety line strung along the deck of a ship as a handhold in stormy weather. [1/5 definitions] |
| low1 |
an atmospheric condition of low pressure, often indicating storms or violent weather patterns. [1/16 definitions] |
| lower2 |
to become dark or ominous, as the weather. [1/3 definitions] |
| lowering |
dark and gloomy, as the weather. [1/2 definitions] |
| meteorograph |
an instrument that measures and records several atmospheric or weather conditions at the same time. |
| meteorological |
of or pertaining to the atmosphere, weather, or climate. [1/2 definitions] |
| meteorologist |
a scientist who studies the weather and atmospheric phenomena. Some meteorologists make weather forecasts for the public. |
| meteorology |
the science that deals with the earth's atmosphere, climates, and weather. |
| muggy |
warm, humid, and stifling, as the weather or the atmosphere outdoors or in an enclosed space. |
| National Weather Service |
an agency of the U.S. Department of Commerce that compiles data on weather conditions and issues weather warnings. |
| neoprene |
a synthetic, weather-resistant rubber used in paint and putty, as a lining or covering, and in shoe soles. |
| occlude |
in meteorology, to form a composite weather front by the action of cold air overtaking a warm front and forcing it upward. [1/5 definitions] |
| Olympic Games |
an international amateur athletic competition patterned after the ancient Greek games, held every four years in different countries, with separate dates and locations for winter and warm-weather sports. |
| overcast |
a weather condition in which the sky is mostly obscured by clouds. [1/5 definitions] |
| overcoat |
an outer coat worn in rainy or cold weather. |