Indian Summer

Indian Summer - a period of abnormally warm or mild weather in late autumn or early winter ...

INDIAN SUMMER
A period of abnormally warm weather in mid to late autumn with clear skies and cool nights. A first frost normally precedes this warm spell.

Indian Summer A warm, calm spell of weather occurring in autumn, especially in October and November. Usually follows a substantial period of cool weather.

Indian Summer
An unseasonably warm period near the middle of autumn, usually following a substantial period of cool weather.
Indirect Hit ...

Indian Summer: A period in mid to late Autumn in the eastern United States and eastern Canada characterized by light winds, clear skies and temperatures which are unseasonably warm during the day and refreshingly chill at night.

Indian summer: occurring during mid to late autumn after the first frost, a period of unusually warm weather with clear skies and cool nights.

INDIAN SUMMER- A warm spell in the fall or early winter in which the temperatures are above normal and skies are clear for several days in a row.
INFLOW- Wind speed, in knots, of the average PBL wind speed.

Indian summer An unseasonably warm spell with clear skies near the middle of autumn. Usually follows a substantial period of cool weather.

Indian Summer - A warm, tranquil spell of weather in the autumn, especially after a period of cold weather. The term is used most often in the Midwest and New England.
Inversion - A layer in the atmosphere where the temperature increases with height.

Indian Summer
A term used for a period of warm settled weather in mid to late autumn.
Instability ...

Old Wives' summer"A period of calm, clear weather, with cold nights and misty mornings but fine warm days, which sets in over central Europe toward the end of September; comparable to Indian summer.

Afterheat and Aftersummer These are very old terms used to refer to the warm pleasant days in the late autumn (at or after Indian Summer).

Indian summer
infrared (IR) radiation (see under Meteorology)
insolation
instrument meteorological conditions (IMG)
instrumental temperature record
intentional radiator
International Meteorological Organization (IMO) ...

Keep the lightweight clothing in the front of your closet for the next few days -- Indian summer will not relent until the weekend, according to an area meteorologist.

What is an "Indian Summer", and why is it so-named?
A. (this quoted directly from the Meteorological Glossary, HMSO): " A warm, calm spell of weather occurring in the autumn, especially in October and November.

In English folklore, a period of fine, calm weather, similar to Indian summer, occurring in October.
St. Martin's summer
In English folklore, a period of fine, calm weather, similar to an Indian summer, occurring in November.

NOAA National Weather Service - Cite This Source - This Definition
Browse Related Terms: Cap, El Niño, Indian Summer, Overrunning, OVRN, UNSBL
CAPS - permalink - collapse
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WEST VIRGINIA HIGH An area of stagnant high pressure located over West Virginia during Indian Summer.

Popularly and for most meteorological purposes, summer is taken to include June, July, and August in the Northern Hemisphere, and December, January, and February in the Southern Hemisphere, the opposite of winter. See Indian summer, ...

See also: Weather, Summer, Pressure, Period, Water