- banks
- christchurch
- coastal
- cold
- convergence
- dispersion
- drainage
- field
- larger
- lead
- localized
- matter
- monoxide
- nights
- non_stationary
- northwesterly
- peninsula
- plains
- pollution
- poor
- port
- receive
- regional_scale
- regularly
- royal
- smog
- sources
- south_island
- southeasterly
- splitting
- stagnation
- superimposed
- surface
- synopticscale
- terrain
- topographically
- towns
- unusually
- urban
- weather
- westerly
- western
- wind
- winds
- wintertime
