The matter
of precipitation amounts depends on where the main battleground is between cold and warm air.
These twelve - month running - mean time series
of precipitation amounts averaged over continental land areas and the European sub-regions include values from JRA - 55 and values available to date from ERA5, the reanalysis currently in production to supersede ERA - Interim.
That extra data improved forecasts
of precipitation amounts and the storm's path.
For a specific level
of precipitation the amount of April 1 SWE has declined for every period.
The E-OBS holds gridded data for daily values
of the precipitation amount, the daily mean - sea - level pressure and the daily maximum, mean and minimum temperatures from January 1950 onward.
This longer predictability of soil water condition relies on the natural filtering effect of soils, which is explained by the accumulation
of precipitation amount rather than the individual precipitation event.
Not exact matches
Keep a journal and record the type and
amounts of precipitation your area receives.
The researchers also found that a substantial
amount of genetic variation among individual warblers is associated with the different
precipitation levels
of their respective environments.
The researchers do know that the presence
of certain aerosols plays a large role in the formation
of ice that leads to
precipitation, but they also need to tease out the importance
of that with other factors, like the
amount of available water vapor and vertical storm winds.
Climate change is likely to influence rainfall patterns in the Sierra Nevada as well as the
amount of dust that makes its way into the atmosphere, so the hope is that a better understanding
of how aerosols affect
precipitation will help water managers in the future.
Carbon dioxide levels in lakes are often high and vary widely from lake to lake based on factors such as the type
of nearby ecosystem, land use such as agriculture, sizes
of the lake and watershed,
amount of precipitation, and because some types
of soils and rocks absorb more CO2 than others.
In some tropical and subtropical regions it is more common to speak
of the rainy (or wet, or monsoon) season versus the dry season, as the
amount of precipitation may vary more dramatically than the average temperature.
Variations in the thickness
of the layers is determined by a combination
of the
amount of water seeping into the cave and the concentration
of carbon dioxide in the cave's atmosphere so, when conditions are right, they can provide a measure
of how the
amount of precipitation above the cave varies over time.
It turns out that the steady dripping
of water deep underground can reveal a surprising
amount of information about the constantly changing cycles
of heat and cold,
precipitation and drought in the turbulent atmosphere above.
«In general, the
amount of precipitation is increasing but also the kind
of precipitation is changing,» said McFadden, an associate professor in UCSB's Department
of Geography.
Experiments Prather and her team conducted in California's Sierra Nevada produced the first conclusive evidence that dust aerosols can change the
amount of precipitation produced by clouds.
In particular, human - induced aerosols like soot and combustion particulates actually work the opposite, reducing the
amount of precipitation clouds can form.
The Midwest has seen a 37 percent increase in the
amount of rain falling in heavy
precipitation events since the late 1950s, the second - highest increase in the U.S. over that period.
«The three papers come to perhaps different numbers, but we're all within uncertainty ranges, well within them, and lends confidence to the statement that there was a significant human influence on the
amount of precipitation that was produced by Hurricane Harvey,» he said.
Clouds alter the
amount of sunlight, or radiation, that can reach Earth, affecting Earth's energy balance, and in some areas can lead to
precipitation.
They then used a crop model to simulate daily water requirements for various crops, driven by the researchers» modeled projections
of precipitation and temperature, and compared these requirements with the
amount of water predicted to be available for irrigation in a particular basin through the year 2050.
Cyanobacteria are involved in the
precipitation of calcium carbonate in the sea, but they would have needed an enormous
amount of iron to do their work.
By analyzing data from 270 monitoring sites around the country, Zhang and his colleagues found that the
amount of nitrogen deposition, as measured in
precipitation, had increased by 60 % — or 8 kilograms per hectare per year — between 1980 and 2010.
Fueled by tropical moisture drawn north and pinned over the area by a stalled weather pattern, the
amount of precipitation between Sept. 9 and 15 in some areas was more than what typically falls in an entire year.
Researchers at the University
of Minnesota have found that major flooding and large
amounts of precipitation occur on 500 - year cycles in central China.
The tree rings indicate the minimum
amount of annual
precipitation necessary to grow corn was exceeded only 2.5 percent
of the time during that time period.
Because they are habitat specialists requiring a very specific
amount of precipitation, they are likely to be unprepared to face ongoing temperature variability and changing
precipitation levels.
The predictions matched actual rainfall measurements during the 75 - year period, both in the magnitude (
amount) and the trend (increase or decrease)
of precipitation.
The
amount of precipitation in the White Mountains has steadily increased in the period from 1900 to 2000, but the increase does not seem to have been sufficient to stimulate the growth
of trees below the tree line.
Lower
amounts in that month could come as a result
of a decrease in the
amount of snow, he said, because
precipitation will come as rain instead
of snow.
And white roofs can reduce
precipitation as well, by reducing the
amount of warm, humid air rising and, thus, the number
of clouds and eventual rainfall.
The combination
of glacial melt and
precipitation produce an
amount of water that's larger than many
of the world's great rivers, such as the Ganges, Nile, Volga, Niger, Columbia, Danube or Yellow River.
Weather variables — including wind speed and direction,
precipitation amounts and temperature — also affect the size
of dead zones.
The records showed that
precipitation and temperature patterns had hardly fluctuated during the period, meaning that the
amount of water flowing into the lake from nearby streams is likely the same today as it was in 1847.
But beyond the increased
amount of precipitation, Wehner adds, «this study more generally increases our understanding
of how the various processes in extreme storms can change as the overall climate warms.»
They compared the
amount of water flowing into the lake from rivers,
precipitation, and groundwater to the
amount evaporating out
of the lake; if the lake stayed the same size, the water in and out should balance.
And as the measure is a ratio it should not be affected by absolute
amounts of precipitation (as far as I've read).
This lengthened journey prolongs their growth stage and boosts the eventual intensity and
amount of precipitation.
A warm spring limited the
amount of frozen
precipitation that fell across the state during the second half
of the season.
Why It Matters: On average, atmospheric rivers hit the western United States only a few times each winter, but they transport significant
amounts of moisture that converges in the mountains producing heavy
precipitation.
Our analyses focused on projecting the possible range
of temperature and
precipitation amounts in Montana, under our chosen greenhouse gas emission scenarios.
The Pacific Northwest saw impressive
amounts of precipitation.
To estimate the
amount of precipitation, Ghosh's team measured a common paleoclimate proxy for temperature, humidity, and atmospheric circulation.
In locations that are accustomed to getting snow during the winter, the total
amount of snow each year is already decreasing as the planet warms from increasing greenhouse gases; the percentage
of precipitation falling as snow is on the decline, with more
of it falling as rain.
When low - temperature ice covers the Arctic Ocean there is little evaporation or sublimation and the polar regions are quite dry in terms
of precipitation, comparable to the
amount found in mid-latitude deserts.
To see how winter
precipitation is changing, we looked at states that all see notable
amounts of snow (sorry, Florida).
The frequency and
amount of precipitation falling in intense events are underestimated.
Since mid-May, much
of the region has received less than half the
amount of precipitation it typically gets.
Graph the number
of cloudy, snowy, rainy days and / or the
amount of precipitation reported in the local newspaper or on a weather site.
Campbell River also ranked poorly on our list for both its high number
of wet days and overall
amount of precipitation, although its fair temperatures meant it had few days below zero.