An atmospheric sounding instrument that is used to obtain temperature and humidity information between ground level and height of a few thousand feet
November 11, 2019
Departures of temperature, precipitation, or other weather elements from long-term averages. Any abnormal trend in the weather can be called an anomaly.
November 10, 2019
An extended period of abnormally dry weather that creates shortfalls in the amount of surface and/or subsurface water. Droughts have major impacts on agriculture and can have major socioeconomic consequences as well.
November 9, 2019
Process by which water vapors escapes from plants through leaf pores
November 8, 2019
Astronomical Twilight -
Is defined to begin in the morning, and to end in the evening when the center of the Sun is geometrically 18 degrees below the horizon. Before the beginning of astronomical twilight in the morning and after the end of astronomical twilight in the evening, scattered light from the Sun is less than that from starlight and other natural sources. Before and after astronomical twilight, the sky is absolutely dark.
November 7, 2019
The season of the year that is the transition period from summer to winter. The first day of autumn according to the astronomical calendar is called the autumnal equinox, as it's the day the earth is neither titled away or towards the sun. This results in nearly equal lengths of day and night on the equinox. Meteorological autumn, which is different from astronomical autumn, begins September 1 and ends November 30.
November 6, 2019
An instrument that measures wind speed. The strongest wind speed ever recorded by an anemometer was 253 mph during the passage of a cyclone on Barrow Island, Australia back in April of 1996.