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Meteorological charts

Meteorological charts. Station Circle. These symbols summarise a surface met. observation. The circle denotes the position. Pressure is in tenths of mb with the leading 10 or 9 omitted; thus 107 is 1010.7 mb. Temperature is in tenths of a degree, i.e 57 = 5.7 °C.

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Meteorological charts

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  1. Meteorological charts

  2. Station Circle These symbols summarise a surface met. observation. The circle denotes the position. Pressure is in tenths of mb with the leading 10 or 9 omitted; thus 107 is 1010.7 mb. Temperature is in tenths of a degree, i.e 57 = 5.7 °C Wind is in knots – 1 knot = 0.5 ms-1. The arrow points along the wind direction. This symbol is called a wind fleck.

  3. Symbols Clouds Weather

  4. Surface weather chart, 12 Z 16/10/97

  5. 700 mb chart, 16/10/97

  6. 300 mb chart, 16/10/97

  7. Satellite images, 1414, 16/10/97 Infra-red (emitted at 12 µm) Visible (reflected sunlight)

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