The funnel increases the area of catchment and makes the reading more accurate by increasing the volume of rain collected. Rainfall statistics must be standardised by specifying the mouth diameter of the funnel if the reading is to have any...
http://wiki.answers.com/Q/What_is_the_function_of_a_fun...
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The most common rain gauge used today by official forecasters and airports was invented over 100 years ago. As you can see in the graphic, it consists of a large cylinder with a funnel and a smaller measuring tube inside of it.
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www.storesonline.com/site/453784/page/74847
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Keep track of how much rain falls and when with this inexpensive wireless rain gauge that includes an alarm function. ... • Receives rain data from a wireless remote rain gauge; • Includes TX5U remote rain gauge; • Stores history of rainfall; • Accumulated rainfall until manual reset; • Rainfall for past 24 hours;
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www.novalynx.com/260-7038uf.html
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Using a Rain Gauge with HomeVision ... Unfortunately, the wires are only shorted together for a small amount of time, possibly under 20ms. HomeVision could miss such a short pulse if it were performing some other functions at that precise time. This would cause HomeVision to under-measure the amount of rain.
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www.csi3.com/hv_gauge.htm
www.csi3.com/hv_gauge.htm
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If you are a WTAE Weather Watcher, or just have a rain gauge and want to get the most out of it, here are some tips. ... Place The Rain Gauge ... 4. Place the rain gauge firmly on the bracket.
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www.thepittsburghchannel.com/News/1479771/detail.html
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Put the rain gauge outside on a level surface, away from any overhanging eaves or trees. Leave the gauge outside all week. Measure the rainfall every day at about the same time of day. Record readings and comments about the weather on an observation chart.
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www.eduplace.com/rdg/gen_act/weather/rain.html
www.eduplace.com/rdg/gen_act/weather/rain.html
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In Spring of 2003, fifteen new telemetry-equipped rain gauges were installed throughout Jefferson County. This updated rain gauge system serves two primary functions – to calibrate weather service NEXRAD radar with rain gauge data, and to provide rainfall predictions at least two hours in advance.
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www.msdlouky.org/aboutmsd/rain-info.html
www.msdlouky.org/aboutmsd/rain-info.html
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In Spring of 2003, fifteen new telemetry-equipped rain gauges were installed throughout Jefferson County. This rain gauge system serves two primary functions – to calibrate NEXRAD radar with rain gauge data, and to provide predictive rainfall data two hours in advance of rainfall.
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www.msdlouky.org/insidemsd/wwwq/sub/monitor/raingauge.h...
www.msdlouky.org/insidemsd/wwwq/sub/monitor/raingauge.htm
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A correlation-regression method for tracking rainstorms using rain-gauge data; Graham J. G. Upton; Department of Mathematics, University of Essex, Colchester, Essex, ... The formulae for the calculation of and * , the estimates of the speed and direction of travel of a storm, involve non-linear functions of and ,
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prswww.essex.ac.uk/bolton/stormtracking.pdf
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