Aviation

METARs TAFs and SIGMETs

METAR or TAF - NOAA NWS AWC request forms
» or direct to last 3h METARs+TAF for: NZAA, NZWN, NZCH
Surface observations - Uni of Wyoming
» or direct to text listing for: NZAA, NZWN, NZCH

PreFlight - meteorological and aeronautical info on one platform from MetService and AeroPath

Airways IFIS (Internet Flight Information Service) - register for free (non-commercial)

SkyVector - SIGMET's plotted on a chart


Charts - via NOAA Aviation Weather Center

Wind/Temp and SigWx charts
WAFS Grids


Soundings

Observed:
» Australia/NZ soundings - BoM
» NZ/Global soundings/text - Wyoming Uni
» NZ, Chatham and Raoul Islands soundings (tephigam) - MetVUW
» SondeHub Tracker - live and historical data via an open source tracking project

Forecast:
» BSCH "Stormcast" - select the time on the left, then click the map
» Windy.com - right click and select "sounding" (obs available too)

xkcd.com

Upper Winds

Satellite derived cloud-track winds - East Australia region - CIMSS


Volcanoes

Wellington VAAC - for current advisories
Darwin VAAC

GeoNet NZ Volcano Homepage - with Alert Level Summary table including Aviation Colour Code

NOAA HYSPLIT Model - Hybrid Single Particle Lagrangian Integrated Trajectory Model - for trajectory, dispersion and volcanic ash

NOAA/CIMSS Volcanic Cloud Monitoring (Noth Island, multi-satellite animation)
OMI SO2 Column - composite images via NOAA, also volcano specific images

Weekly volcano report - from Smithsonian Inst.
Volcano World - current volcanic activity reports and information


Reference

Aviation Calculations & Conversions - including simple QFE and standard atmosphere calculators

NZ AIP - Aeronautical Information Publication - documentation and charts, including NZ aerodromes, eg Wellington

ICAO/IATA codes - Airport code lookup

ICAO GIS maps: FIR and VAAC areas


Aircraft Tracking

Flightradar24
Plane Finder
FlightAware