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New Zealand Gazette – 1987 – No. 56

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✨ Meteorological Charts

THE NEW ZEALAND GAZETTE

16 APRIL 1753

Weather Maps

16 FEBRUARY

ISOBARIC CHART
Contour: Mean Sea Level Pressure

Isobars labeled in millibars (e.g., 1010, 1020).
Wind direction shown by arrows.
Areas of high pressure marked as H.
Areas of low pressure marked as L.
Isolated regions with significant shading representing areas of weather activity.

17 FEBRUARY

ISOBARIC CHART
Contour: Mean Sea Level Pressure

Similar annotations as for 16 February.

18 FEBRUARY

ISOBARIC CHART
*Contour: Mean Sea Level Pressure, Streamline, Convergence (10^6s^-1)

Added streamlines and convergence zones.
Wind arrows and high/low-pressure areas marked.

19 FEBRUARY

ISOBARIC CHART
*Contour: Mean Sea Level Pressure, Streamline, Convergence (10^6s^-1)

Similar details with updated positions of highs and lows.

20 FEBRUARY

ISOBARIC CHART
*Contour: Mean Sea Level, Streamlines, Divergence (10^6s^-1)

Annotations for divergence.
Areas of high and low pressure.

21 FEBRUARY

ISOBARIC CHART
*Contour: Mean Sea Level, Streamlines, Divergence (10^6s^-1)

Updated positions and new areas of divergence noted.

22 FEBRUARY

ISOBARIC CHART
*Contour: Mean Sea Level, Streamlines, Cyclonic Vorticity (10^5s^-1)

Includes cyclonic vorticity.
Areas of high and low pressure.

23 FEBRUARY

ISOBARIC CHART
*Contour: Mean Sea Level, Streamlines, Cyclonic Vorticity (10^5s^-1)

Updated chart with similar features.

LEGEND

Solid Lines: Isobars (millibars)
Dashed Lines: Streamlines
Shaded Areas: Regions of convergence, divergence, or cyclonic vorticity as labeled.
H: High pressure
L: Low pressure
Arrows: Wind direction

Observations:

All charts feature isobaric pressure contours labeled at intervals (e.g., 990, 1000, 1010, 1020 millibars).
Areas of high (H) and low (L) pressure are indicated.
The maps provide specific dates from 16 to 23 February, illustrating the weather patterns over this period.

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VUW Te Waharoa — NZ Gazette 1987, No 56

NZLII — NZ Gazette 1987, No 56

Parliament House (depicted) was completed in 1918 and remains the primary seat of Parliament.

✨ LLM interpretation of page content

🎓 Meteorological Notes (continued from previous page)

Domain🎓 Education, Culture & Science
KeywordsMeteorological Notes, Isobaric Readings, Contour Lines, Wind Direction

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Gazette Extraordinary No. 1 (1840), held at the Alexander Turnbull Library, Wellington, New Zealand. Imaged by Luke Howison at the National Library reading rooms; PDF released into the public domain.

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