Last updated: : 23-09-2018 08:17 => 08:21 seconds ago
Cloudy Temperature 12°C -0.2 °C /hr Humidity 96%% Dew Point 11°C Wind from E 0 km/h Gust 8 km/h Barometer 1011 hPa Steady Rain today 3,6 mm
Local fire risc:
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Fairly fine, improving
Forecast based on: Pressure: 1011.2 hPa - Trend: 1 (Rising) - max: 1033 - min: 988.3
Wind from: E (English)
Month: 9. Hemisphere: 1 (Northern).
|This program tries to get a "same result forecast" as when using the
1915 Negretti and Zambra (Zambretti) Forecaster.
The original paper forecaster was designed for the Northern Hemisphere and UK "Weather Range". ie. The nearer the Poles the greater the spread between lower and upper barometer levels and large "trends" are needed for weather conditions change.
Conversely, the nearer the Equator the smaller the "spread" and smaller "trends" for change.
On the left a picture of the original weather prediction disc.
A forecast at approx. 09:00 local Solar Time is allegedly better than 90% accurate ! - even though it takes no account of rate of barometer change, wind speed or temperature.
More information can be found here: drkfs.net