statsmili.blogg.se - Snow depth gauge

Temperature compensation is applied to every. Copyright 1998-2005, Colorado Climate Center, All rights reserved. The 260-705 Ultrasonic Snow Depth Sensor is a low cost, rugged sensor for reliable snow depth measurement.

"Measuring Snow" video is provided under the following restricted use license: no modification of the content of the original video or redistribution of the video is authorized.

" In Depth" Snow Measuring is a CoCoRaHS training slide-show on snow measurement techniques.

The measurement should reflect the average depth of snow, ice pellets, and glaze ice on the ground at your usual measurement site (not disturbed by human. Do not mistake an ice layer or crusted snow as 'ground'.

List of instructions developed from previous National Weather Service procedures and expertise from a broad array of climatologists, snow specialists, weather observers, and data users. When using a measuring stick, make sure the stick is pushed vertically into the snow until the bottom of the stick rests on the ground.

After you record the measurement, clear off the snow board (then place it on top of the snow), or whatever surface you have used, so it is ready for more snow!įor more information on snow measurements see the links below:.Keep track of all your measurements for the duration of the storm so you can report the storm total amount.

Record the measurement to the nearest tenth of an inch e.g.Push the yardstick straight into the snow, perpendicular to the ground, until the yardstick reaches the snow board.You can also measure snow directly on the ground, but this should be limited to areas of short grass so you obtain accurate measurements. If you aren't using a snow board, then a flat surface such as a picnic table or deck will also work. Mark the location of the board with a flag or stake. A snow board can be any light color board (roughly 2 feet by 2 feet) that is flat and placed on the ground or on top of newly fallen snow. Placing a snow board at a designated spot is the easiest way to measure snow. Spots sheltered from the weather, such as those close to buildings or under trees, should be avoided. Calculate the average of these measurements. If you have snow drifts, then simply take measurements in several spots away from large drifts. Getting Ready Take your measurements at a location where drifting does not usually occur. A snow board (a 24"x16" piece of 1/2" or 3/4" plywood painted white).Snow Depth (total depth of snow on the ground) is reported to the nearest WHOLE INCH (such as 11").It is taken as soon as snow has stopped falling if possible and no more than 4 times a day. Snowfall (newly fallen snow) is reported in INCHES and TENTHS (such as 2.4").Liquid equivalent of snowfall (last 24-hrs) reported in HUNDREDTHS (such as 0.22').Three Types of Measurements are Reported: