January 29, 2010
A Rain Gauge Measures Precipitation
At first glance, it may not seem all that complicated to water your lawn. It is a no-brainer, right? You turn on the sprinkler or the soaker hoses, making sure to soak the bushes and trees. You typically do it when you have the time; after work or dinner. What more is there to it? Sorry to make something so simple a little bit complicated, but knowing when and when not to water your lawn is actually a science. With the help of a rain gauge and rainfall data, you can help your yard become healthier and more beautiful.
There are a few issues to consider when watering your lawn, such as the time of day, new rainfall, the method of watering, the weather and the use of chemicals, such as fertilizers in the water. These are all important factors to think about.
The weather is a big factor as well. Take a look at the weather report before you water your lawn, just in case rain has been forecasted. Keep a rain gauge in your yard so you can measure rainfall that your area receives and adjust your watering accordingly. If you are the one doing the watering, then make sure your sprinkler system spreads an even path across the lawn. Many people get into a habit of setting out a sprinkler and never moving it. That is fine for the patches that get the water, but this type of uneven watering can lead to uneven greenness. Put out any type of straight-sided container to help you measure your sprinkler’s application rate.
Try not to apply fertilizer or chemical treatments to your lawn when rain is expected. The rain will wash the nutrients out of the root system and down the drain, making your efforts for naught. Always follow the directions on the packaging and make sure that you water as directed. This ensures that you don’t burn your lawn or the root system. A rain gauge can help remind you of how wet your soil is and when a good time to apply fertilizer will be.
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Filed under Random Ramblings by Jason
November 21, 2009
It’s Raining Cats and Dogs
Rainfall is measured in terms of millimeters or inches, and, depending on the amount that has fallen, is usually described as light, moderate or heavy rain. It is said to be light rain if the amount totals one tenth of an inch of rainfall per hour. This type of rain is only a sprinkle, and doesn’t get you very wet if you get caught in it. You definitely wouldn’t need a raincoat during light rain. During a moderate rain shower, you would probably get wet if you spent even a short amount of time outside. You would definitely need a raincoat or umbrella to keep the water off your clothes and hair. Moderate rainfall measures from one tenth to one third of an inch of rain in an hour. Meteorologists call it heavy rain if more than a third of an inch of rain falls in an hour. The term, “it’s raining cats and dogs” applies here because there is nothing like a heavy shower to make you run for cover, and fast.
A simple rain gauge is a low-tech method of getting a rainfall measurement and all that is required is a container, such as a cylinder with a flat bottom and straight sides. While this type of container can help you gauge whether it was raining cats and dogs, it is very difficult to measure small amounts of precipitation this way.
In order to measure rainfall precisely, the gauge should be located out in the open and away from tall buildings, trees and any other obstructions. Inaccurate measurements are taken if the gauge is too close to large, impeding objects. The science behind the gauges isn’t totally precise, as water that is blowing or falling off of structures can enter the gauge, showing that it was raining cats and dogs when in actuality, it was only a moderate rain shower.
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Filed under Random Ramblings by Jason
November 19, 2009
Rain Gauges And Other Weather Instruments
There are many devices on the market today to help you understand current weather conditions and even predict future weather patterns. No, these devices aren’t the stuff of science fiction stories; they are simple instruments that provide you with the knowledge and know-how to plot your course for the day or the next few days. Rain gauges, weather vanes, wind gauges, thermometers and barometers are all available to help you get a bigger picture of your local weather.
A raingauge takes a rainfall measurement and can be a simple model consisting of a glass or plastic bottle with increments of measure on the side, to an electronic rain gauge that can be fixed anywhere in your yard. Electronic models remotely record rainfall data in daily, weekly and monthly rainfall totals, averages and rates per hour. Rain gauges are available that are self-emptying. This allows you to record rainfall amounts over longer periods of time.
A device used to measure the speed of the wind is called an anemometer, or wind gauge. In its most basic form, it is a cup anemometer, consisting of four hemispherical shafts mounted horizontally on a vertical shaft. Wind gauges can be separated into two broad groups: hand-held and fixed. A hand-held anemometer will typically only display the current wind strength. A fixed wind gauge measures the wind speed at a given location in addition to providing historical measurements, such as maximum gust and average wind speed.
A thermometer is, of course, used to measure the temperature. Thermometers have progressed tenfold since the days of a simple mercury thermometer. Now wireless is hugely popular, since from the comfort of your favorite armchair, you can check the current, minimum or maximum temperatures and have it displayed in Celsius or Fahrenheit. A rain gauge thermometer is also available that takes temperature readings as well as a rainfall measurement.
A barometer measures the atmospheric pressure and can be used to see if the pressure is falling or rising or is steady; thus providing a good indicator of the weather in the near future. Barometers are so much more than a weather instrument, however. They can truly be a work of art. Ornamental barometers add beauty and elegance to the walls of many homes. As with most things, technology has caught up with barometers too, so digital barometers are now widely available and just as in the instruments above, can be used to measure atmospheric changes; aiding in a more accurate picture of the coming weather.
A weather vane’s job, simply put, is to measure and gauge from which direction the wind is blowing, which is a key element to any weather forecast. As with a barometer, they can also be a beautiful addition to your garden or pergola roof top. There are an almost unlimited range of designs styles to choose from; the more popular styles include birds, animals, sports and others. There are craftsmen out there who can provide you with your very own hand crafted, specialty weather vane.
Weather stations typically bundle several, if not all of these instruments together so that they get a better overall picture of current weather conditions, as well as to predict future occurrences. Wind gauges, rain gauges, weather vanes, anemometers and barometers can each provide you with a glimpse of what is going on right outside your door. Whether you are planning a picnic or unsure of whether you can get your lawn mowed before the rain comes, each of these tools can help you through your day.
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Filed under Random Ramblings by Jason