QPFQuantitative Precipitation Forecast. A spatial and temporal precipitation forecast that will predict the potential amount of future precipitation for a…
QPF DiscussionThis HPC forecast discussion is directed completely to explaining manual forecasts of areas in the contiguous 48 states expected to receive 1/4 inch or…
QuadratureThe component of the complex signal that is 90 degrees out of phase with the inphase component.
Quality Measurement Experiments (QME)A special class of value-added product that regularly compares two or more data sets intended to understand the individual datastreams either as functions…
Quality of SnowThe amount of ice in a snow sample expressed as a percent of the weight of the sample.
quality-assured dataTypically, the final form of data to be submitted to the ARM data system. Includes datastream description documentation, fully calibrated data in commonly…
Quantitative Precipitation ForecastA spatial and temporal precipitation forecast that will predict the potential amount of future precipitation for a specified region, or area.
Quasi-stationary(abbrev. QSTNRY)- Describes a low or high pressure area or a front that is nearly stationary.
Quasi-stationary FrontA front which is nearly stationary or moves very little since the last synoptic position. Also known as a stationary front.
Quaternary periodthe second period of the Cenozoic era containing the Pleistocene epoch and the Holocene epoch and lasting from 1.8 million years to the present.
Quick LooksDaily and weekly plots of ARM data that give users a browsable quick view of a subset of data available at the ARM Archive.