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Topic: Rain gauge


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  Rain Gauge
The rain gauge measures the amount of liquid precipitation that falls.
Time: 45 minutes before a rain event is predicted and 45 minutes after the end of a rain event where the gauge has been used to collect the entire rainfall.
The rain gauge measures the amount of rain (or snow as liquid) that falls to the earth as part of the water cycle.
www.colby.edu /cpse/equipment2/Weather/gauge.html   (1044 words)

  
 TVA: Rain Gauge Data
TVA uses self-emptying rain gauges that funnel precipitation into a bucket that tips when a certain amount of rainfall is collected.
The gauge records the number of tips and transmits information to TVA by satellite hourly or every three hours, depending on the gauge.
TVA also receives rainfall data from 58 gauges on the Cumberland River system that are operated by the U.S. Army Corps of Engineers and 11 gauges in watersheds throughout the Valley that are operated by the U.S. Geological Survey.
www.tva.gov /river/lakeinfo/precip.htm   (228 words)

  
 Franklin's Forecast - Rain Gauge
However, since most rain showers are usually quite windy, you'll want to fasten your rain gauge somewhere so that it doesn't blow over.
The edge of a fence, away from the building, is often a good place for your gauge.
Wait for rain, then record your measurement, and empty the glass.
sln.fi.edu /weather/todo/r-gauge.html   (155 words)

  
  A 1-Wire Rain Gauge - Maxim/Dallas
The classic professional rain gauge operates by filling and dumping two buckets, one mounted on either end of a beam that pivots around a central axle in a manner somewhat reminiscent of a playground seesaw (see Figure 1).
Adding a rain gauge to the station requires only that it be connected to the 1-Wire bus by plugging it into the unused RJ11 connector on the weather station board.
The rain gauge is a useful and desirable addition to the 1-Wire weather station and demonstrates the ease with which additional sensors may be added to a 1-Wire net.
www.maxim-ic.com /appnotes.cfm?an_pk=677   (1256 words)

  
  TRMM LBA Rain Gauge/Disdrometer Draft Operations Plan
Although rain gauge data will be used as a reference for the radar estimation of rainfall, it is critical to establish first the sampling error of the gauges.
The triangle design of the rain gauge cluster utilized in networks #1 and #2 was developed to capture the small scale variability of rainfall with the minimal number of gauges.
Similar to the rain gauge and impact disdrometer tasks, the RGDS is expected to utilize assistance from scientists dedicated to other platforms (e.g., TOGA or S-POL radar crew members) to assist in the maintenance and monitoring of the 2DVDS.
olympic.atmos.colostate.edu /lba_trmm/gauge.html   (2588 words)

  
 Build a Rain Gauge   (Site not responding. Last check: )
Rain data will be collected and analyzed over a period of time with opportunities to improve on rain gauge design.
Have students select a partner (someone they were NOT with during part 1 or 2 of the rain gauge experiments.) Together, they need to design a 'home-made' rain gauge, and justify their design based on the notes they took during the presentation of student data during the mini-meteorology-convention.
The spread sheet could calculate such things as the difference between the student gauge and the control; average or median class results; total rainfall over a given time period; etc. Students could quickly see if their rain gauge was not giving accurate results, and decide upon modifications to increase the accuracy.
ccc.atmos.colostate.edu /~hail/teachers/lessons/mr3.htm   (411 words)

  
 Healthy Landscapes: Rain Gauges - Your Most Important Garden Tool
Rain gauges should be placed in an open area away from trees, buildings, and other structures, as they may cause the rain gauge to get a false reading.
A good general guideline to follow is placing the rain gauge twice as far away from the height of an object such as a tree.
If you obtain your own rain gauge, depending on the type, it may be made for mounting on a post with a screw, stuck into the ground with a plastic or metal spike, or stand on the ground with a special holder.
www.uri.edu /ce/healthylandscapes/raingauge.htm   (876 words)

  
 Rain Gauge Design Differences
A pair of rain gauges like you describe, both placed in the same area, should adequately measure the depth of the rainfall, which is what is most often expressed by our meteorologists.
The theory behind each gauge showing a similar rain depth would be that for a given area (a square measurement of length times width), the number of droplets should be about the same (and their size should be uniform).
The smaller gauge must be a tube with the collection area equal to the measuring area...that is, one inch of water in the collecting tube equals one inch of rain.
www.newton.dep.anl.gov /askasci/wea00/wea00159.htm   (1122 words)

  
 Rain Gauge Tipping Bucket   (Site not responding. Last check: )
This Low-Cost Rainfall Sensor was designed to meet the need for a rugged and reliable rain gauge tipping bucket without the high accuracy of a research grade sensor, or the associated cost.
A rain gauge heater, HT-525, is available where snow or freezing weather may occur.
The rain gauge heater is an accessory to our line of TR-525 series rain gauge and consists of two low-power heating elements that prevent disruption in readings during freezing times.
www.texaselectronics.com /pl_type_rainfall.htm   (323 words)

  
 Wireless Rain Gauge - Keep Track of Rainfall Indoors
This Wireless Rain Gauge monitors rainfall within one-hundredths of-an-inch accuracy, continuously transmitting its readings to an indoor electronic interface which you can install up to a hundred feet away.
The Wireless Rain Gauge is easy to install, as it requires no wires or connections, and is operated with 64 codes to avoid radio interference.
The Wireless Rain Gauge is made in America with a manufacturer’s lifetime warranty.
www.smarthome.com /1920.html   (193 words)

  
 Rain Gauge Instrument Document
A rain gauge is an instrument designed to measure the amount of rainfall that has fallen, expressed in millimeters of depth.
The objective of a rain gauge instrument is to collect measurements of precipitation in the area where the gauge is located.
A rain gauge is an instrument that measures the amount of precipitation in the location of the instrument since the last collection was made from the rain gauge.
daac.gsfc.nasa.gov /guides/GSFC/guide/rain_gauge.gd.shtml   (304 words)

  
 Rain Gauges, Wireless Rain Gauge, Garden Rain Gauges
Rain first fills the inner cylinder, graduated in hundredths to 1", then overflows into the outer cylinder.
As this rain gauge fills with rainwater, the inner column’s fluorescent orange color is magnified just to the water’s level, for easier reading from a distance away.
This is used where the rain gauge hangs from a bracket.
www.weatherequipment.com /rainfall.htm   (452 words)

  
 * Rain gauge - (Gardening): Definition
After each rain or watering, use a ruler to measure how deep the water is in the can.
Set up a small weather station (with a high/low thermometer, rain gauge, etc.) to monitor not only the temperature, rainfall, etc., relative to plant growth, but also relative to personal safety.
Use a rain gauge as shown to measure the amount of water actually applied, and test for adequate soil moisture by pushing a screwdriver through the sod.
en.mimi.hu /gardening/rain_gauge.html   (294 words)

  
 The Remex Rain Gauge
Everyone spends much time discussing the weather, especially when it's raining, but what a pleasureable pastime it can be to have your own Rain Gauge to find out how much rain has actually fallen.
As a useful guide the gauge should be no closer to a high object than twice the height of the object, i.e.
Although the gauge should be mounted close to the ground, an existing fence post could be used for general information.
www.raingauge.co.uk   (365 words)

  
 Rain Gauge Design Competition-Rain gauge
Rain has always been an important factor for those communities that rely on rainwater and water in general for their livelihood, such as gardeners and farmers.
In ancient times, the amount of rain was important to know how moist the soils were and from this they could estimate how good their crops would be.
A rain gauge was sent to each village and used to assess the village’s potential harvest from the rainfall, which in turn determined how much the village should be taxed.
i.cs.hku.hk /~rain/RainGauge-English.php   (708 words)

  
 Rain Gauge Data Loggers
The Rain Gauge Data Logger can be connected to a wide variety of sensors for remote data recording, featuring two analog (0-5V, 0-20mA) data collection channels, two digital data acquisition channels, and a single digital remote output.
The rain gauge data logger alarm also has a duration, which is used to delay the alarm trigger for analog data collection inputs and to determine the time over which pulse input counters should be totalized (rainfall measurements, flow meter pulse etc).
Rain Gauge Data Logger data is logged in a four word (8 byte) compressed format which includes full date and time to fractions of a second.
www.globalw.com /products/iris120.html   (541 words)

  
 USATODAY.com
The most common rain gauge used today by official forecasters and airports was invented over 100 years ago.
The official rain gauge has a 50 centimeter high cylinder with a 20 centimeter in diameter funnel that collects water into a measuring tube that has exactly one-tenth the cross sectional area of the top of the funnel.
The reason for the smaller measuring tube is so that more precise rainfall measurements can be made due to the exaggeration of the height of water in the tube.
www.usatoday.com /weather/wrngauge.htm   (247 words)

  
 Rain Gauge
The RainWise rain gauge is a large bucket with a "rocker" in the base that changes position each time 0.01 inches of rain is received.
Connect one of the rain gauge wires to the power supply ground wire, and the other wire to the relay's trigger input.
The rain gauge wires may very quickly open again, but the relay will remain triggered for the duration of it's timeout period.
www.csi3.com /hv_gauge.htm   (869 words)

  
 Rain Gauge Network Info
The first rain gauges were installed in 1991 as a joint effort between MSD and the United Geological Survey (USGS).
The rain gauge information was to be used for MSD studies and USGS research.
MSD is in the process of establishing three satellite-enabled rain gauges in the Southern Indiana Counties of Harrison, Floyd and Clark.
www.msdlouky.org /aboutmsd/rain-info.html   (502 words)

  
 TVA: Rain Gauge Data   (Site not responding. Last check: )
TVA uses self-emptying rain gauges that funnel precipitation into a bucket that tips when a certain amount of rainfall is collected.
TVA also receives rainfall data from 58 gauges on the Cumberland River system that are operated by the U.S. Army Corps of Engineers and 11 gauges in watersheds throughout the Valley that are operated by the U.S. Geological Survey.
TVA uses this information together with data from streamflow gauges and Doppler radar to make water management decisions — for example, whether to store the water coming into the river system during flood events or release it to make room for potential floodwaters yet to come.
www.tva.com /river/lakeinfo/precip.htm   (228 words)

  
 Weather Station Activity - DiscoverySchool.com
Rain gauges measure rainfall over short or long periods of time.
A more complex rain gauge has oil in it to keep rain water from evaporating over long periods of time.
Periodically check the gauge and put a few drops of bleach in it to retard critter growth.
school.discovery.com /lessonplans/activities/weatherstation/itsrainingitspouring.html   (226 words)

  
 Jumbo Rain Gauge
This rain gauge will measure rainfall of up to 5 inches and can be read from a distance of up to 50 feet!
This rain gauge is 26 inches tall with a 1/3/4 inch clear tube that has brilliant yellow markings.
A contrasting bright orange float rises with the water level and is read by matching the float with the markings on the tube.
www.frostproof.com /catalog/t82005.html   (117 words)

  
 RAIN-O-MATIC Rain Gauge
RAIN-O-MATIC 3-in-1 is an advanced electronic rain gauge with memory functions and thermometers with memories for highest and lowest temperatures.
Rain gauges marketed since 1985 are in daily use all over the world.
The Rain-O-Matic rain collector is produced of durable and weatherproof plastic, resisting extreme frost and heat temperatures as well as the sun's UV radiation.
www.turf-tec.com /RAINlit.html   (237 words)

  
 Rain Gauges from The Science Company
This rain gauge features clear, easy-to-read all-weather butyrate, measuring up to 5 inches in 0.05 inch increments.
This rain gauge is 12-1/2 inches high with each graduation representing 1/10 inches of rain, up to five inches.
This rain gauge records rainfall indoors after mounting collector unit in the yard.
secure.sciencecompany.com /Rain-Gauges-C605.aspx   (187 words)

  
 Peet Bros. Heated Ultimeter Pro Rain Gauge - $190.00 - Weather Instruments - Binoculars.com
The PRO Rain Gauge includes thermostatically controlled 18 watt heater, a 110vac/24 vac power adapter with a 40 foot, 2-conductor cable that makes power and signal connections to the junction box of an ULTIMETER 100, 500, 700, 800 or 2000 Weather Station.
We're sorry, but the Pro Rain Gauge is not compatible with the ULTIMETER II because the II keyboard is not able to supply regulated voltage to operate the gauge.
Rain is funneled into a precision drop forming tube, much like those you'd see in a hospital IV bottle.
peet-bros.binoculars.com /products/peet-bros-heated-ultimeter-pro-rain-gauge-36199.html   (740 words)

  
 X-10 and a Rain Gauge
There is a common rain gauge which is basically a 8" cylinder leading to a funnel which directs any water into a see-saw type divided bucket.
Position the rain gauge in a place where it won't fill up with leaves, it's bottom is level, and you can easily inspect and maintain it.
Note that each 'count' of the rain gauge represents 1/100th inch of rain, and there is no way of representing decimal values in any of the displays of XTension (thru 1.6).
www.shed.com /articles/TN.RainGauge.html   (703 words)

  
 Reading Your Rain Gauge
The rain gauge is composed of three parts: a funnel, a measuring tube, and a 4-inch diameter overflow tube, and a mounting bracket.
Here are several situations that you may encounter when reading your rain gauge and how you should deal with them.
Imagine that the gauge is equivalent to a dollar, but instead of having one paper bill you have ten dimes or one hundred pennies.
ccc.atmos.colostate.edu /~hail/howto/help/rain.htm   (1204 words)

  
 tipping bucket rain gauge : Search Results : GoodSearch : Search the Internet with GoodSearch and support your favorite ...
This rain gauge is also available for data logger RDS 1up to 35000 impulse...
with this rain gauge to the rainfall recorded by the tipping bucket of your weather station.
rain gauge in an open area within 15 m of the tipping...
www.goodsearch.com /Search.aspx?Keywords=tipping+bucket+rain+gauge&page=16   (279 words)

  
 Rain Gauge acu rite rain gauge
A rain gauge is a type of instrument used by meteorologists and hydrologists to gather and measure the amount of liquid or solid (snow, sleet, hail) precipitation over a set period of time.
When you are in search of top information relating to acu rite rain gauge, it'll be complex separating value-packed advice from inexpert acu rite rain gauge suggestions or help so it is important to recognize ways of moderating the information presented to you.
This could reveal the people behind the website acu rite rain gauge integrity The easiest way to reveal who owns the acu rite rain gauge website is to look on the 'about' page or 'contact' page.
www.all-you-need-in1.com /rain-gauge   (343 words)

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