They pulled in satellite precipitation data from the Global Precipitation Climatology Project, NASA/U.
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"That seems to be masking very significant changes in the character of precipitation" and precipitation extremes, Swain said.
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Precipitation is increasing across Alaska, but where the researchers were, it's so cold that all precipitation is snow.
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Diffenbaugh says the lower probabilities associated with precipitation extremes is due in large part to the greater variability, or "noisiness," in precipitation data.
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"If you only look for shifts in average precipitation, you're missing all of the important changes in the character of precipitation," Swain said.
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While the precipitation is welcome in the drought-stricken state, the fact that the precipitation is coming all at once is a significant concern.
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But for the South, while it might not be a lot of wintry precipitation, pretty much any wintry precipitation down here [makes] people freak out.
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To help shed light on the rarity of heavy precipitation events, the National Oceanic and Atmospheric Administration (NOAA) maintains a database of precipitation frequency estimates.
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Extremes in warm maximum and minimum temperatures, one-day precipitation totals, days with precipitation and landfalling tropical cyclones contributed to the elevated extremes index, NOAA found.
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The general trend should be for snow to become the dominant precipitation type along and west of Interstate 95 as precipitation becomes steadier over the next hour.
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While other parts of the country receive precipitation from various types of storms — like hurricanes along the East Coast — California is highly dependent on atmospheric rivers for its annual precipitation.
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Eastern Tennessee, northern Georgia and the Carolinas Timing: Saturday morning through Monday morning Precipitation creeps in early Saturday, with rain in Georgia and some light, wintry precipitation in the mountains.
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GIF: Songlin Fei Precipitation patterns are shifting, too: The central US has seen an increase of more than 150 mm total in annual precipitation, and there's been a reduction in the southeast.
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Image: Jesse Allen and Joshua Stevens, using VIIRS data from the Suomi National Polar-orbiting Partnership and IMERG data provided courtesy of the Global Precipitation Mission (GPM) Science Team's Precipitation Processing System (PPS).
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The statistics can be turned into a histogram, with number of months to get 50 inches of precipitation on the x-axis and acres getting that amount of precipitation on the y-axis.
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Unprecedented dryness from heat, winds, low humidity & lack of precipitation.
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Climate change has forced precipitation records to topple more frequently.
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Differences in precipitation and temperature might also have some effect.
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"When precipitation forms it may form as snow," Stewart said.
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Which, in turn, produces slightly cooler temperatures and increased precipitation.
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Virginia State Police reported 163 accidents statewide during the precipitation.
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The chance of precipitation -- next week -- has increased, forecasters said.
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The Southeast has seen abundant precipitation in December and January.
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This includes temperature, precipitation and lack thereof, and natural disasters.
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We are getting less precipitation, and the population is rising.
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There is already evidence that global warming influenced its precipitation.
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The term refers to a sudden onset of low precipitation.
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Forecasts said precipitation would continue through Monday, tapering on Tuesday.
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More precipitation in a warmer future will arrive as rain.
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The map shows precipitation — a variable — with its geographic location.
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What percentage of the country's population gets lots of precipitation?
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Both of these factors lead to more extreme precipitation events.
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But California is subject to extreme annual variations in precipitation.
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What they found was that, though overall precipitation average is not expected to change much, the variability between the amount of precipitation and when it falls will vary significantly more than it does now.
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"Typical La Nina patterns during winter include above average precipitation and colder than average temperatures along the Northern Tier of the U.S. and below normal precipitation and drier conditions across the South," he said.
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Precipitation extremes, including heavy precipitation events, as well as sharp whiplash-like swings between drought and flood, are expected to become more common and severe as the climate continues to warm due to human activities.
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Eastern Tennessee, northern Georgia and the Carolinas Timing: Saturday morning through Monday morning Precipitation begins to creep into the region early Saturday morning, with rain in Georgia and some light, wintry precipitation in the mountains.
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No such high-energy precipitation was observed from the 2008 event.
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"The changes in precipitation are quite extreme as well," said Tokarska.
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Percentage changes over time in heavy precipitation (rain and snow) events.
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The data come from the Global Precipitation Measurement network of satellites.
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Nationally average precipitation was 34.63 inches, or 4.69 inches above average.
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The precipitation that was falling was clearly coming down as rain.
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Excessive, dry land can "act like concrete" despite precipitation, she explained.
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December and January were rainy, and March has brought more precipitation.
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"Set Fire To The Rain," delivered from within curtains of precipitation.
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The goal is to increase precipitation in places with water shortages.
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If it's raining, for instance, you might see a precipitation radar.
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Precipitation in eastern Oklahoma won't turn to snow until later Saturday.
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The closure will remain until sufficient precipitation eases the fire danger.
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"We can't look at flooding, only extreme precipitation," Dr. Otto said.
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Light precipitation will move through Northern California overnight Monday into Tuesday.
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Precipitation during the winter might degrade your brake fluids, Haynes said.
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"We haven't had any meaningful precipitation since March," Mr. Rolinski said.
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Is it rain at the specific location where meteorologists measure precipitation?
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It's a conjunction of weather conditions, and we can't forget precipitation.
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It usually comes with incredibly strong winds and very substantial precipitation.
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In similar years, precipitation was comparable, but not the cold temperatures.
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What proportion of the country's land area gets lots of precipitation?
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And there's a lot more precipitation than there used to be.
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That moisture is then released as an increasing amount of precipitation.
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Here's the math:PoP = C x A where "C" = the confidence that precipitation will occur somewhere in the forecast area, and where "A" = the percent of the area that will receive measurable precipitation, if it occurs at all.
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Precipitation has been near or at zero for weeks in the region.
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Yearly precipitation, average for 230–215 compared to average for 214–50.
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It's released in response to environmental signals like temperature, precipitation, and sunlight.
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The factor that's missing in the comprehension of Probability of Precipitation (PoP)?
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It wasn&apost enough to make up for months without meaningful precipitation.
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There is also a national trend toward more frequent, heavy precipitation events.
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Precipitation early on Friday may be strong enough to trigger debris flows.
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More heat and more precipitation will lead to thriving, booming national forests.
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Red shows cloud bands without precipitation and blue shows rain bands. pic.twitter.
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Most of the wintry precipitation should stay sequestered farther north into Maine.
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Why is Minqin County, with 115 millimeters of annual precipitation, being farmed?
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"There will be a precipitation reduction, there will be drought," Lozano said.
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That's why there's a big increase in heavy downpours ("extreme precipitation events").
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Increased precipitation is a less obvious consequence of climate change than heat.
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Cities farther south along the East Coast will face far less precipitation.
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The objective side comes from raw data about precipitation and soil moisture.
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But it's not so simple as just looking at precipitation and weather.
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There are more than 65 million people that could experience winter precipitation.
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Precipitation of any kind may stay away until late Monday or Tuesday.
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Precipitation should end from southwest to northeast between 783 and 773 p.m.
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In other cases, the cold weather and precipitation brought down power lines.
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Mystery precipitation tomorrow night — if snow, about an inch, turning to rain.
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A warmer atmosphere can hold more moisture, which comes down as precipitation.
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"California typically receives the majority of precipitation in December, January and February, and these storms have continued to add to our precipitation levels and increased the state's snowpack," California Department of Water Resource spokesman Chris Orrock told CNN.
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The animation is made up of satellite precipitation measurements taken by Integrated Multi-Satellite Retrievals for GPM (IMERG), a product of the Global Precipitation Measurement mission, a collaboration between NASA and space and science agencies in several other countries.
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As it does so, it cools and moisture condenses into clouds and precipitation.
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The heaviest precipitation will be close to the coast in Washington and Oregon.
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The same storm system is bringing precipitation to other parts of Northern California.
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Accumulated precipitation projection showing high rainfall totals in California and south central states.
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He says the area has not seen precipitation in the past five days.
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All that precipitation is filling up the state's lakes and reservoirs nicely. 5.
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The resulting precipitation resulted in the widespread extinction of many native microbial species.
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"In a warmer world, we expect more precipitation, which influences flooding," AghaKouchak said.
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These sales, among others, resulted in the precipitation of the Greek stock market.
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"Just an unexpected precipitation could fall upstream or temperatures spike up," he said.
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The rest is natural variability in precipitation levels in a drought-prone state.
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"Increases in extreme precipitation are projected for all U.S. regions," U.S. scientists concluded.
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All of these sources depend on precipitation—rain and snow—to remain full.
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The Hoh gets a whopping 12 to 53 feet of precipitation each year.
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The weather sucked, with high temperatures and little precipitation decimating half the crop.
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"What we do have and just experienced is uncertainty with precipitation," Hoines continues.
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The oxygen isotope reflects the source water for precipitation, humidity levels and temperature.
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Wintry precipitation -- snow and freezing rain -- is possible Saturday in the interior Northeast.
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Galford added that winter precipitation in Vermont over all would most likely increase.
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The precipitation makes wetlands more acidic, which can be lethal for some fish.
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Dansgaard, who died in 21997, was an expert on the chemistry of precipitation.
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Confidence: Medium The pattern remains active, so precipitation chances are back for Tuesday.
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Fire officials warned of "widow makers" — burned-out trees that collapse with precipitation.
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The precipitation should taper off and end during the first half of Sunday.
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Another batch of organized precipitation popped up and is moving through the area.
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Weather Modification describes cloud seeding as "an enhancement" of the natural precipitation process.
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Conversely, the northern U.S. often sees less precipitation and warmer-than-average temperatures.
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El Niño conditions may have contributed to these big precipitation events, noted Weber.
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Confidence: Medium-High Tomorrow night: Rain or mixed precipitation moves in after dark.
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While other parts of the country receive precipitation from various types of storms, such as everything from low pressure systems and warm fronts to hurricanes along the East Coast, California is highly dependent on atmospheric rivers for its annual precipitation.
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The precipitation comes from a nor'easter that has stayed out in the Atlantic Ocean.
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Paraná will receive considerably more precipitation in the period, around 115 millimeters (4.53 inches).
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In the eye of hurricanes, descending air clears the sky of clouds and precipitation.
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Added precipitation could affect local ecosystems, induce flash flooding, and even create dangerous landslides.
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The effect fits the broad trend of climate change pushing up US precipitation totals.
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Rain clouds responsible for the rare precipitation in the Atacama Desert in June 2017.
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Its summers are very dry, but it can get massive precipitation in the winter.
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The high pressure also prevents precipitation from forming and leads to clear, sunny skies.
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Winter precipitation did not increase the odds of being in a fatal crash, however.
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Some ski resorts are taking measures to offset potential impacts of variable winter precipitation.
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NWS records going back to 1871 show a March precipitation average of 1.62 inches.
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Coupled with precipitation changes, that could mean more intense fires later in the year.
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Steadier precipitation may develop largely north of the city into midday before moving away.
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The game was played in constant precipitation that ranged from mist to light rain.
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These condensed aerosols became a major driver of global dimming, cooling, and acid precipitation.
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On average, the accuracy differences between various services are higher for temperature than precipitation.
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Like Jupiter, it tracks risks including hurricane, heat, extreme precipitation, and sea level rise.
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Mostly everywhere else falls into the "equal chance" category for both precipitation and temperature.
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Of course, whether precipitation then actually materializes remains in the lap of the gods.
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CNN meteorologist Michael Guy says heavier precipitation is expected from Ventura through Los Angeles.
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North Carolina cities impacted by wintry precipitation will be Asheville, Greensboro, Raleigh and Charlotte.
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Groundwater is moisture in soil and rock, fed by precipitation and stored in aquifers.
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What two words can inspire more fear in drivers in wintertime than "mixed precipitation"?
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The variable is length of time for 50 inches of precipitation in each region.
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However, the bulk of the precipitation with this system will be a cold rain.
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But that did not happen, because not enough of the precipitation stuck and accumulated.
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According to the Capital Weather Gang, precipitation is expected between noon and 7 p.m.
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The highest chance of frozen precipitation is in our colder north and west suburbs.
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High elevations, like in the Rockies, force air to rise, which causes more precipitation.
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Climate change is already delivering a sharp shift in precipitation, spurring a lengthy drought.
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It acts as a barrier, forcing any potentially cooling precipitation away from the city.
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For example, perhaps they are interested in retreating glaciers or regional changes in precipitation.
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"In 1993, the heavy precipitation continued all the way through June," Mr. Clark said.
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The most difficult place to forecast this event may be the Washington area, where marginally cold temperatures could keep the precipitation falling as rain, sleet or wet snow, rather than accumulating snow, and heavy bands of precipitation may or may not materialize.
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As for storms producing more precipitation, the Intergovernmental Panel on Climate Change has concluded that human-caused warming has affected the amount of water vapor in the air, and that extreme precipitation events have already increased in many parts of the world.
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But this new study revealed that precipitation also plays a significant role in tree movement.
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The good news is there's a chance, Robinson added, of normal to above normal precipitation.
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She is an expert in how species are responding to changing temperature and precipitation patterns.
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"If we don't get an abnormal amount of precipitation, I'd say the odds are good."
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