a medium-range (3-7 day) numerical weather prediction model operated by the United Kingdom Meteorological Agency. It has a resolution of 75 kilometers and covers the entire northern hemisphere. Forecasters use this model, along with the ECMWF and GFS, in making their extended forecasts (3 days and longer).
radiation having a wavelength shorter than wavelengths of visible light and longer than those of X-rays
a global time scale based on the local time observed on the Prime Meridian; also called Greenwich Mean Time (GMT) or Zulu (Z) time
a nonprofit, Colorado-based corporation that receives and manages funds and administrative functions for NCAR. It includes several universities that are dedicated to the advancement of atmospheric and related sciences
a colloquial term used to describe conditions in the atmosphere favorable to the creation of precipitation. This term typically is associated with the passage of surface or upper level low pressure systems, fronts, or other phenomenon where precipitation is expected.
precipitation that forms due to moist, stable air gradually forced upward along an elevated plain (e.g., the Rocky Mountains)
toward the source of the flow, or located in the area from which the flow is coming
the component of radiation (either reflected solar or emitted terrestrial) directed upward from the earth’s surface; opposite of downwelling radiation