What does GPCP stand for?

What does GPCP stand for?

GPCP

What is precipitation in hydrological cycle?

Precipitation is water released from clouds in the form of rain, freezing rain, sleet, snow, or hail. It is the primary connection in the water cycle that provides for the delivery of atmospheric water to the Earth. Most precipitation falls as rain.

What is precipitation volume?

Simply, an “amount” of rain is a certain volume, and volume equals area x height. “3mm of rain” means for any given area, the amount of rain that fell (ie the volume) would fill that area to a height of 3mm. The area part of the formula is effectively a constant. The only variable is the height.

What is variability of precipitation?

Precipitation variability increases by at least as much as mean precipitation and less than moisture and extreme precipitation for most models, regions, and timescales. We interpret this as being related to an increase in moisture which is partially mitigated by weakening circulation.

How do you calculate precipitation?

The grid point precipitation value is calculated based on the sum of the individual station weight multiplied by observed station value. Once the grid points have all been estimated they are summed and the sum is divided by the number of grid points to obtain the areal average precipitation.

How do you calculate precipitation variability?

The Coefficient Variation is simply the standard deviation divided by the average annual rainfall. For San Francisco’s average rainfall of 21.79″ for its period of record, the standard deviation is 7.63″. Dividing 7.63 by 21.79 gives 0.35.

What causes precipitation variability?

Thermodynamic effects, linked to increased moisture availability, increase precipitation variability uniformly everywhere. It is the dynamic effects (negative) linked to weakened circulation variability that make precipitation variability changes strongly region dependent.

How much mm is heavy rain?

Heavy rain — when the precipitation rate is > 7.6 mm (0.30 in) per hour, or between 10 mm (0.39 in) and 50 mm (2.0 in) per hour. Violent rain — when the precipitation rate is > 50 mm (2.0 in) per hour.

What are 3 ways to measure precipitation?

Methods of Measurement of Precipitation (Rainfall)

• Measurement of Rainfall Using Raingauges. Non-recording Raingauge. Recording Rain Gauges.
• Selection of Rain Gauge Stations. Rainfall Measurements by Radar.

How do you calculate precipitation range?

From our list of scores we can see that the highest average monthly rainfall was 715 millimeters and the lowest recorded average was 100 millimeters so the range is calculated using 715 minus 100 which equals 615. Therefore put simply, the formula or rule for finding the range is highest score minus lowest score.

How do you calculate rainfall variability?

The variability of rainfall is computed with the help of the following formula: C.V. = (Standard deviation)/Mean X100 where C.V. is the coefficient of variation. The values of coefficient of variation show the change from the mean values of rainfall. The actual rainfall in some places deviates from 20-50 per cent.

What are the indicators of difference in precipitation?

Expert-verified answer The most common indicators of precipitation which in turn indicate climatic changes include – daily minimum and maximum temperature, the drought index, mean air temperature, cold spell index, soil moisture index, snow cover, etc.

How many types of precipitation is there?

The main forms of precipitation include drizzle, rain, sleet, snow, graupel and hail. Precipitation occurs when a portion of the atmosphere becomes saturated with water vapor, so that the water condenses and “precipitates.

Is 20 mm rain a lot?

Very heavy rain: Greater than 8 mm per hour. Slight shower: Less than 2 mm per hour. Moderate shower: Greater than 2 mm, but less than 10 mm per hour. Heavy shower: Greater than 10 mm per hour, but less than 50 mm per hour.