A time constant is the amount of time it takes for a meteorological sensor to respond to a rapid change in a measurand until it is measuring values within the accuracy tolerance usually expected of the sensor.
This most often applies to measurements of temperature, dewpoint temperature, humidity and air pressure. Radiosondes are especially affected due to their rapid increase in altitude.
Famous quotes containing the words time and/or constant:
“I want the concentration & the romance, & the words all glued together, fused, glowing: have no time to waste any more on prose.”
—Virginia Woolf (1882–1941)
“We must have more money, that’s all there is to it. There must be more money.”
—Anthony Pélissier. The constant complaint of the spendthrift Mrs. Grahame (1949)
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