There are 18 names in this directory beginning with the letter N.NCDC
National Climatic Data Center. Located in Asheville, North Carolina, the agency that archives climatic and forecast data from the National Weather Service.
NCEP
National Centers for Environmental Prediction. Central computer and communications facility of the National Weather Service; located in Washington, DC.
Negative Tilt Trough
An upper level system which is tilted to the west with increasing latitude (i.e., with an axis from southeast to northwest). A negative- tilt trough often is a sign of a developing or intensifying system.
NHC
National Hurricane Center. The office of the National Weather Service in Miami that is responsible for tracking and forecasting tropical cyclones.
NOAA
National Oceanic and Atmospheric Administration. A branch of the U.S. Department of Commerce, NOAA is the parent organization of the National Weather Service.
NOAA WEATHER RADIO (NWR)
Continuous, 24 hour a day VHF broadcasts of weather observations and forecasts directly from National Weather Service offices. A special tone allows certain receivers to alarm when watches or warnings are issued.
NOAA WEATHER WIRE (NWWS)
A computer dissemination network that sends National Weather Service products to the media and public.
Nor'easter
A low- pressure disturbance forming along the South Atlantic coast and moving northeast along the Middle Atlantic and New England coasts to the Atlantic Provinces of Canada. It usually causes strong northeast winds with rain or snow. Also called a Northeaster or Coastal Storm.
Normal
The long- term average value of a meteorological element for a certain area. For example, "temperatures are normal for this time of year" Usually averaged over 30 years.
Numerical Forecasting
Forecasting the weather through digital computations carried out by supercomputers.
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NCDC
National Climatic Data Center. Located in Asheville, North Carolina, the agency that archives climatic and forecast data from the National Weather Service.
NCEP
National Centers for Environmental Prediction. Central computer and communications facility of the National Weather Service; located in Washington, DC.
Negative Tilt Trough
An upper level system which is tilted to the west with increasing latitude (i.e., with an axis from southeast to northwest). A negative- tilt trough often is a sign of a developing or intensifying system.
NHC
National Hurricane Center. The office of the National Weather Service in Miami that is responsible for tracking and forecasting tropical cyclones.
NOAA
National Oceanic and Atmospheric Administration. A branch of the U.S. Department of Commerce, NOAA is the parent organization of the National Weather Service.
NOAA WEATHER RADIO (NWR)
Continuous, 24 hour a day VHF broadcasts of weather observations and forecasts directly from National Weather Service offices. A special tone allows certain receivers to alarm when watches or warnings are issued.
NOAA WEATHER WIRE (NWWS)
A computer dissemination network that sends National Weather Service products to the media and public.
Nor'easter
A low- pressure disturbance forming along the South Atlantic coast and moving northeast along the Middle Atlantic and New England coasts to the Atlantic Provinces of Canada. It usually causes strong northeast winds with rain or snow. Also called a Northeaster or Coastal Storm.
Normal
The long- term average value of a meteorological element for a certain area. For example, "temperatures are normal for this time of year" Usually averaged over 30 years.
Numerical Forecasting
Forecasting the weather through digital computations carried out by supercomputers.