Glossaries

AMS - American Meteorological Society - a massive (often technical) glossary with 12,000+ terms
US National Weather Service - NOAA
US NSIDC - National Snow and Ice Data Center
Weather.com

 

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Articles

Te Ara: Encyclopedia of NZ - Climate and Atmosphere

Wikipedia - Atmospheric Scieces Portal
» with Meteorology and Climatology categories

 

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Time

Julian Day Calculator - also returns "day of year" given a date
UNIX Timestamp Calculator - elapsed seconds since 1/1/1970

World Time Server
Time and date.com

Tip: use Google Search: eg "time in utc" or "time in Sydney", or try Wolfram|Alpha: eg "time in utc"

 

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Maps

Google Maps - fully interactive map for New Zealand, including terrain
» with NZ Mountain Passes and Roads map containing markers and summit heights
Bing Maps - Microsoft's interactive map service

ZoomIn.co.nz
Wises Maps
nzmaps.co.nz (Auckland streetmaps only)

Free NZ Maps - download static maps (LINZ)
NZTopoOnline - interactive Topo Map online, but slow! (LINZ)

Lonely Planet

Perry-Castañeda Library Map Collection - from the University of Texas
National Geographic MapMachine

Azimuthal Equidistant Proj. Map Server - make great circle maps

Convert Lat/Long in Deg/Min/Sec to/from Decimal

 

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Flags

World Flag Database
Flags of the World