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The Wilderness Survivor, Issue #003 - Forecast weather
July 01, 2004
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Table of contents
Editor's NotesHello ,
I hope all is going well with you. Please, take a couple of minutes out from your busy schedule and read this issue of the Wilderness Survivor and learn more about how to - Forecast weather
Summer is a great time to get away from the city on a wilderness backpacking tour. Leave behind the noise, the crowds, the stifling heat and the traffic congestion. A week in the wilderness can clean even the weariest spirit. Does it sounds great !? You bet....today Iím packing my stuff ...next week there will be no way to contact meÖ.
When planning a trip, you should give some thought to possible weather conditions. To be caught in bad weather could be a nasty experience. Remember to check the weather forecast before you start your wilderness trip. But when you are in the wilderness and no radio, tv or internet is available ? Well, one of the wilderness survival skills you should make sure you have is how to forecast weather when travel in the wilderness.
Enjoy your reading!
Have a safe and fun wilderness trip - Respect and protect the wilderness !
Don't forget that wilderness survival skills and learning
is a powerful and exhilarating experience.
Forecast weatherFamiliarity with the different types of clouds and other phenomena, together with an idea of how and why they occur, adds considerable meaning to the official weather forecasts, and also helps you to begin to make your own predictions of changes to come. The high , fast moving streaks of jet-stream cirrus for example, may be an indication of a coming deterioration in the weather with the approach of a depression. A different type of forthcoming weather is indicated where the current conditions are relatively quiet, but where the more distant clouds show some signs of possible showery activity later. Learning to interpret the sky in this way is not particularly difficult and obviously has great practical value.
Weather forecasting is now a complex science, relying on vast amounts of data from around the world and powerful supercomputers. However, once you have some idea of what is happening inside the clouds, and in the various weather systems and situations, it will become much easier to interpret forecasts, and decide for yourself what the weather is likely to do.
Clouds provide clues to weather patterns and observing them can help you to gain an overall understanding of the weather. The sky sometimes appears to be a chaotic mixture of clouds, and a quick glance canít show what is happening. If you spend a little time, however, the different speeds at which the clouds move across the sky, and their changing appearance, enable you to sort out the different layers and types of cloud that are present.
The best way of recognising clouds is to begin with the ten cloud types, which are classified by their forms and their heights. These main types are reasonably easy to identify. Other, secondary features, will enable you to recognise many other varieties of cloud.
To prepare your next wilderness adventure and get some basic knowledge about weather forecast, get the ďWeatherĒ book (Collins Gem). Itís a simple introduction to the weather and a guide to what is happening in the sky. The small size make it easily fit in your backpack. More information at: Weather forecast
Clouds form when air cools to the dewpoint , the temperature at which air becomes saturated and the previously invisible water vapour condenses into tiny droplets. Cooling occurs in two basic ways: air either comes into contact with a cold surface, or rises in the atmosphere. The first process occurs when moist air passes over cold land or sea to give low cloud or fog. Air may rise, for example, when itís forced over hills or mountains.
Sunlit clouds show every shade from brilliant white to almost black. In dense clouds there are vast numbers of tiny droplets in any given volume. They scatter light of all wavelengths so effectively that very little light penetrates into the clouds themselves. Most is reflected and scattered back towards the source and any observer. So the clouds appear bright.
If the clouds appears rain the droplets are larger. Larger droplets absorb more light. Light not only penetrates more deeply, but is strongly absorbed. The clouds thus appear dark.
Content has been updatedNew more good content have been added to the Wilderness Survival Skills website.
The forecast weather page have been updated. Check it out!
Weather GlossaryIf you want to learn more weather terms, please visit: Weather Glossary
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More information at : Work online from home
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