National Technical Information Service.

Category:Abbreviations

National Transportation Safety Board (U.S.)

Category:Abbreviations

NTU

Non-Transportation Use

Category:Abbreviations

Energy that comes from splitting atoms of radioactive materials, such as uranium, and which produces radioactive wastes.

Category:Energy Terms

National Union of Mrine, Aviation & Shipping Transport Officers

Category:Abbreviations

Forecasting weather by the use of numerical models, run on high speed computers. Most of the NWP for the National Weather Service is done at the National Centers for Environmental Prediction (NCEP).

Category:Meteorology

Nun

A kind of navigational buoy

Category:Sea Words

Isolated rocky peak rising from a sheet of inland ice.

Category:Sea Words

NVA

Negative Vorticity Advection.

Category:Meteorology

Navigation and Vessel Inspection Circular (USCG).

Category:Abbreviations

Non-Vessel Operating Common Carrier.

Category:Abbreviations

NVQ

National Vocational Qualification.

Category:Abbreviations

NWS

National Weather Service. Administered by the U.S. Department of Commerce.

Category:Meteorology

New York Mercantile Exchange

Category:Abbreviations

New York Society of Maritime Arbitrators

Category:Abbreviations