NOTICE: Parts of the U.S. Government are closed.
This site will not be updated; however NOAA websites and social media channels necessary to protect lives and property will be maintained. See www.weather.gov for critical weather information. To learn more, see www.commerce.gov.
[an error occurred while processing this directive]

GOES-R Series Acronyms (N)

Acronyms: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
N Newton
N North
N/A Not Applicable
N/O Normally Open
N/S North/South
NAA Non-Advocate Assessment
NAAPS Navy Aerosol Analysis and Prediction System
NAC National Agency Check
NAC Network Access Control
NACI National Agency Check with Inquiries
NACS NASA Contract Assurance Services
NAICS North American Industrial Classification System
NAK Negative Acknowledgement
NAM National Aviation Meteorologist
NAM North American Mesoscale
NAMMA NASA African Monsoon Multidisciplinary Analyses
NAO NOAA Administrative Order
NAR Non-Advocate Review
NAS Network Attached Storage
NASA National Aeronautics and Space Administration
NASCOM NASA Communications
NASTRAN NASA Structural Analysis
NAT Network Address Translation
NAVOCEANO Naval Oceanographic Office
NBAR Network Based Application Recognition
NCAR National Center for Atmospheric Research
NCCM Network Change and Configuration Management
NCDC National Climatic Data Center (NESDIS)
NCEI National Centers for Environmental Information
NCEP National Center for Environmental Prediction (NWS)
NCF Network Control Facility
NCG Non-Condensable Gas
NCIM Netcool Common Information Model
NCIRT NOAA Computer Incident Response Team
NcKL Netcool Knowledge Library
NCOMP Nighttime Cloud Optical and Microphysical Properties
NCWCP NOAA Center for Weather and Climate Prediction
NDA Non-Disclosure Agreement
NDE Non-Destructive Evaluation
NDE NPOESS Data Exploitation
NDI Non-Destructive Inspection
NDI Non-Development Item
NDSI Normalized Difference Snow Index
NDVI Normalized Difference Vegetation Index 
NEAR Near Earth Asteroid Rendezvous
NEAR NSOF Engineering Analysis Room
NEC NOAA Executive Council
NEDR Noise Equivalent Delta Radiance
NEDT Noise Equivalent Delta Temperature
NEF National Essential Function
NEII NESDIS Enterprise Infrastructure Interface
NEMA National Electrical Manufacturers Association
NEN NASA Engineering Network
NEN Near Earth Network
NENS Near Earth Network Services
NEP NOAA Executive Panel
NEPA National Environmental Policy Act
NESDIS National Environmental Satellite, Data and Information Service
NESDIS AA NOAA Assistant Administrator for Satellite and Information Services
NET
NetCDF Network Common Data Form
NetMAC Network Monitor And Control
NEXRAD Next Generation Doppler Radar
NF NASA Form
NF Network Fabric
NFDRS National Fire Danger Rating System
NFNMS NASA’s Foreign National Management System
NFOV Near Field Of View
NFS NASA Federal Acquisition Regulation (FAR) Supplement
NFS Network File System
NG/NGR Northrop Grumman Corp
NGDC National Geophysical Data Center (NESDIS)
NGI Northern Gulf Institute
NHC National Hurricane Center
NIC National Ice Center
NIC Network Interface Card
NIDP Network Intrusion Detection and Protection
NIDS Network Intrusion Detection System
NIMO Networks Integration Management Office
NIR Near Infrared
NIRREF Near Infrared Snow Test
NISN NASA Integrated Services Network
NISPOM National Industrial Security Program Operating Manual
NISPP NESDIS Information Security Program Plan
NIST National Institute of Standards and Technology
NIST-SURF National Institute of Standards and Technologies Synchrotron Ultraviolet Radiation Facility
NITF National Imagery Transmission Format
NITRB NOAA Information Technology (IT) Review Board
NLD/LMA National Lightning Detection/Lightning Mapping Array
NLDN National Lightning Detection Network
NLT No later than
NLTZ No Less than Input Zones
N-m Newton-meter
N-m-sec Newton-meter-second
NMAO NOAA Marine and Aviation Operations
Nmax Percentage of maximum radiance
NMFC/JTWC Naval Maritime Forecast Center/Joint Typhoon Warning Center
NMFS National Maritime & Fisheries Services (NOAA)
NOA New Obligation Authority
NOAA National Oceanic and Atmospheric Administration
NOAT NWS Operational Advisory Team
NOC Network Operations Center
NOCC Network Operations Control Center
NODC National Oceanographic Data Center
NODIS NASA On-Line Directives Information System
NOHRSC National Operational Hydrologic Remote Sensing Center
NOI Notice of Inquiry
NOMAT Non Operational Mission Allowable Temperatures x
NON Negative Orbit Normal
NORAD North American Air Defense Command
NOS National Ocean Service
NOSA National Oceanic and Atmospheric Administration (NOAA) Observing System Architecture
NOSC NOAA Observing System Council
NOT Non-operational Temperatures
nPa Nano Pascals
NPD NASA Policy Directive
NPG
NPIV N-Port ID Virtualization
NPOESS National Polar-Orbiting Environmental Satellite System
NPP NPOESS Preparatory Project
NPR NASA Procedural Requirement(s)
NPS Next-generation Power Supply
NPSL NASA Parts Selection List
NRA NASA Research Announcement
NRCS National Resource Conservation Service
NRE Non-Recurring Engineering
NRF Nominal Reference Frame (defined in GIRD)
NRL Naval Research Lab
NRT Near Real Time
NRZ-L Non-Return-to-Zero-Level
NRZ-M Non-Return-to-Zero-Mark
NRZ-S Non-Return to Zero Space
NSA National Security Agency
NSCL National Superconducting Cyclotron Laboratory (MGH)
NSD Network Shared Disk
NSD Non-SCADA Security Domain
NSDS NASA Software Documentation Standard
NSI NASA Standard Initiator
NSI-E NSI Equivalent
NSIDC National Snow and Ice Data Center
NSOF NOAA Satellite Operations Facility
NSOM Network and Space Operations and Maintenance
NSPAR Nonstandard Parts Approval Request
NSS Navigation Satellite System
NSS NextGen Navigation Satellite System Next Generation Navigation Subsystem
NSSK North/South Station-keeping
NSSL National Severe Storm Laboratory
NSSTC National Space Science and Technology Center
NSTISSP National Security Telecommunications and Information Systems Security Policy
nT nano Tesla
NTE Not to Exceed
NTGSE WindowsNT Ground Support Equipment
NTIA National Telecommunications and Information Administration
NTP Network Time Protocol
NTSB National Transportation Safety Board
NVD National Vulnerability Database
NVM Non-Volatile Memory
NVR Non-Volatile Residue
NWA National Weather Association
NWCs National Weather Centers
NWP Numerical Weather Prediction
NWS
NWSTC NWS Training Center
NWSTG NWS Telecommunications Gateway