Or as Sarah Porter said recently, @GreatLakesPeck, "the river is not producing enough water". I kid you not.

RT @GreatLakesPeck: The CO River problem - avg naturalized flow is now ca. 12.5 MAF, & evaporation takes ca. 1 MAF. So, 17.5 MAF are alloca…

RT @GreatLakesPeck: The CO River problem - avg naturalized flow is now ca. 12.5 MAF, & evaporation takes ca. 1 MAF. So, 17.5 MAF are alloca…

RT @GreatLakesPeck: The CO River problem - avg naturalized flow is now ca. 12.5 MAF, & evaporation takes ca. 1 MAF. So, 17.5 MAF are alloca…

RT @GreatLakesPeck: The CO River problem - avg naturalized flow is now ca. 12.5 MAF, & evaporation takes ca. 1 MAF. So, 17.5 MAF are alloca…

The CO River problem - avg naturalized flow is now ca. 12.5 MAF, & evaporation takes ca. 1 MAF. So, 17.5 MAF are allocated to basin states & Mexico, but the river only has ca. 11.5 MAF. It continues to decline due to climate change. Fig updated fr

Udall, B., & Overpeck, J. (2017). The twenty-first century Colorado River hot drought and implications for the future. Water Resources Research, 53(3), 2404-2418. https://t.co/zusoHNxos2

@bobconfer Demand is huge & West has seen longer droughts b4 industrialization but a serious critique needs to acknowledge hotter weather increases evaporation & demand. That affects water in & out of Mead— and that is climate influenced. https

RT @dcwoodruff: This claim is, once again, totally false. Natural flows in the upper basin have shown a clear long-term decline, a trend dr…

This claim is, once again, totally false. Natural flows in the upper basin have shown a clear long-term decline, a trend driven in large part by warmer temperatures. https://t.co/UJlRIpHKyE https://t.co/CIc5XWUwlo

People, not just politicians in the Southwest, need to be concerned about the Colorado River drying up https://t.co/fPEbPokc0I

RT @zak_podmore: Climate scientists say UT and the CO River basin aren't experiencing temporary "drought" at all but long-term aridificatio…

RT @zak_podmore: Climate scientists say UT and the CO River basin aren't experiencing temporary "drought" at all but long-term aridificatio…

RT @zak_podmore: Climate scientists say UT and the CO River basin aren't experiencing temporary "drought" at all but long-term aridificatio…

RT @zak_podmore: Climate scientists say UT and the CO River basin aren't experiencing temporary "drought" at all but long-term aridificatio…

Climate scientists say UT and the CO River basin aren't experiencing temporary "drought" at all but long-term aridification due to climate change. Gov. Cox has repeatedly said he doesn't know when the "drought" will end, but climate models give us an idea:

@andreeadiddy This was originally published here: https://t.co/niVTjzHTst “The 21st century Colorado River hot drought and implications for the future” See SI for data sources. And thanks for kind words.

RT @GreatLakesPeck: How bad could it get for the Colorado River & the US SW if we don’t stop climate change? A LOT worse. https://t.co/KtJs…

RT @GreatLakesPeck: How bad could it get for the Colorado River & the US SW if we don’t stop climate change? A LOT worse. https://t.co/KtJs…

RT @GreatLakesPeck: How bad could it get for the Colorado River & the US SW if we don’t stop climate change? A LOT worse. https://t.co/KtJs…

How bad could it get for the Colorado River & the US SW if we don’t stop climate change? A LOT worse. https://t.co/KtJshT2oAK

RT @DextInTheDesert: that is sure to take some pressure off the colorado river. https://t.co/FRuLWGZrHv

that is sure to take some pressure off the colorado river. https://t.co/FRuLWGZrHv

The twenty‐first century Colorado River hot drought and implications for the future https://t.co/8bFf9YCh6d

@bberwyn @GlenwoodPI @EndClimtSilence @TheAspenTimes @co_mediaproject It's like reporting on a car crash and not mentioning speed or booze. We are standing on the brink. #copolitics #co03 https://t.co/98SLKVHQWr

RT @dcwoodruff: Scientists have concluded that the megadrought currently impacting the Colorado River Basin, the worst since the 1500s, is…

RT @dcwoodruff: Scientists have concluded that the megadrought currently impacting the Colorado River Basin, the worst since the 1500s, is…

Scientists have concluded that the megadrought currently impacting the Colorado River Basin, the worst since the 1500s, is a “hot drought” largely caused by higher temps https://t.co/UJlRIpZlqc Colorado’s 2020 fire season was likely its worst in 1000 years

We identified evapotraspiration increases as one of the key drivers in observed CO River flow reductions. There are other factors also playing a role in what is a harbinger of reductions to come unless we halt climate change. https://t.co/KtJshT2oAK

#25: The twenty-first century Colorado River hot drought and implications for the future (“The only way to curb...declines in Colorado River flow is thus to work toward aggressive reductions in the emissions of greenhouse gases into the atmosphere”; https:

https://t.co/EIDP5fnMaG

@mkeljgt500kr @jfleck One of the things @UNMwater students study is the differences among the various measures of drought. Since we're talking here about a river, hydrologic drought - river flow - is perhaps a better measure? Source: https://t.co/MUuxb4mP8

RT @gregcocks_kiwi: The Twenty‐First Century Colorado River Hot Drought And Implications For The Future https://t.co/Da9HuIiq3T #GIS #spa…

The Twenty‐First Century Colorado River Hot Drought And Implications For The Future https://t.co/Da9HuIiq3T #GIS #spatial #ColoradoRiverBasin #climatechange #ColoradoRiverCompact #megadrought #ColoradoRiver #water #waterresources #Colorado #WesternUSA #

RT @GreatLakesPeck: 2020 is also the year the turn-of-the-century SW drought officially became a multi-decade long “megadrought,” primarily…

RT @GreatLakesPeck: 2020 is also the year the turn-of-the-century SW drought officially became a multi-decade long “megadrought,” primarily…

RT @GreatLakesPeck: 2020 is also the year the turn-of-the-century SW drought officially became a multi-decade long “megadrought,” primarily…

RT @GreatLakesPeck: 2020 is also the year the turn-of-the-century SW drought officially became a multi-decade long “megadrought,” primarily…

RT @GreatLakesPeck: 2020 is also the year the turn-of-the-century SW drought officially became a multi-decade long “megadrought,” primarily…

RT @GreatLakesPeck: 2020 is also the year the turn-of-the-century SW drought officially became a multi-decade long “megadrought,” primarily…

RT @GreatLakesPeck: 2020 is also the year the turn-of-the-century SW drought officially became a multi-decade long “megadrought,” primarily…

@salhaj @riadmeddeb

RT @GreatLakesPeck: 2020 is also the year the turn-of-the-century SW drought officially became a multi-decade long “megadrought,” primarily…

2020 is also the year the turn-of-the-century SW drought officially became a multi-decade long “megadrought,” primarily as a result of warming temperatures. @bradudall showed this nicely (updated from https://t.co/KtJshT2oAK) https://t.co/zTNStXTsJL

RT @GreatLakesPeck: + here’s the earlier work making clear the Colorado River has a major problem w climate warming. Paper this week confir…

RT @GreatLakesPeck: + here’s the earlier work making clear the Colorado River has a major problem w climate warming. Paper this week confir…

is nevada's 300,000 acre feet allocation a mirage?

Sorry folks out west, doesn't look good for the Colorado River basin... https://t.co/He013vm01D

RT @GreatLakesPeck: + here’s the earlier work making clear the Colorado River has a major problem w climate warming. Paper this week confir…

+ here’s the earlier work making clear the Colorado River has a major problem w climate warming. Paper this week confirms water loss reality is at the high end (bad) of our projections 3 years ago. Collaboration w @bradudall https://t.co/KtJshT2oAK

@mp3michael @NateJohn Given CA’s history of mega-droughts even before industrial era, I’m cautious to say a drought is caused by climate change. But there is evidence that climate change not only will but has https://t.co/iZikk3wIC9 https://t.co/JEIYRUFh

This research suggests that future #climatechange impacts on the Colorado River flows will be much more serious than currently assumed, especially if substantial reductions in greenhouse gas emissions do not occur @bradudall & @TucsonPeck https://t.co/

"some" is the operative word. If you want to truly solve the CO River flow declines, you have to tackle climate change. Otherwise, it's less and less water for the greater SW from here on. Already lost a bunch of water to the warming atmosphere. https://t

@VictorB123 @smartwatermag @bradudall We’re living through a test of your hypothesis https://t.co/04iVeUwBIb

“Will it get worse?” asks the headline. Too bad there isn’t an overwhelming scientific consensus on the answer to this question that this 3,500-word article could maybe touch on https://t.co/HYABqLkD68 https://t.co/X8lSIB9NU2 https://t.co/UJlRIpZlqc h

+ for more on the AGW-driven aridification of the SW, see: https://t.co/zxOEv0He0M and https://t.co/KtJshT2oAK

RT @SethMSiegel: Winter with reduced snowfall reminds us of the important article by @TucsonPeck and predictions of increasingly challenged…

Winter with reduced snowfall reminds us of the important article by @TucsonPeck and predictions of increasingly challenged Western US water management. https://t.co/1hlVwUp1Qh

RT @BrendaEkwurzel: #AGU17 @Tucsonpeck Warming is a sure bet. This means warming alone can drive Colorado River flow declines of 6.5% +- 3.…

RT @BrendaEkwurzel: #AGU17 @Tucsonpeck Warming is a sure bet. This means warming alone can drive Colorado River flow declines of 6.5% +- 3.…

#AGU17 @Tucsonpeck Warming is a sure bet. This means warming alone can drive Colorado River flow declines of 6.5% +- 3.5% per degree C increase. https://t.co/WvC9Ivhf7Q https://t.co/pl5bBm8GcT

RT @bradudall: /3 Findings are in line with my recent paper with @TucsonPeck https://t.co/9eHgSczipA https://t.co/nO8Glu7V1Z

/3 Findings are in line with my recent paper with @TucsonPeck https://t.co/9eHgSczipA https://t.co/nO8Glu7V1Z

River flows down 20% versus 20th century, in part caused by rising temps. https://t.co/fuBdjhmIXT

The 21st-century Colorado River hot drought - must read on western water: https://t.co/n6mnKYURux

The twenty‐first century Colorado River hot drought and implications for the future https://t.co/sMw0Iv9z7U

#climatechange cuts #coloradoriver flows, research by @bradudall @tucsonpeck, affects food, cities, #nationalparks https://t.co/GBVB8Jk80N https://t.co/dSVafKuTux

+ just like for the CO River, where streamflow loss due to global/local warming may already be as high as 10%. https://t.co/g79r7tajDV

1.The twenty-first century Colorado River hot drought and implications for the... https://t.co/01KFs82aa7

The twenty-first century Colorado River hot drought and implications for the... https://t.co/01KFs82aa7

The twenty-first century Colorado River hot drought and implications for the future - Udall - https://t.co/Qk2eW67EUu

Colorado River flow could drop 35% by 2100 due to warming temps, has already dropped 19% below 20th century average https://t.co/Wysnpj32iL

Colorado River flow likely to keep shrinking due to warming and megadroughts - study by @bradudall and @TucsonPeck https://t.co/0QzmvLAB82

For the first time, a study has linked reduced #Colorado River flows with #climatechange https://t.co/op2J75p30p

Colorado River flows keep shrinking as climate warms https://t.co/T5TKnYU9Pr abstract in WATER RESOURCES RESEARCH https://t.co/x7kN9d135t https://t.co/w2mNwS6Zfg

COLORADO BASIN #ClimateChange - Flow reduction based on temperature impacts; not precipitation #COP22 https://t.co/lCp4HXb3M7

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

Study: Future #ClimateChange impacts on #ColoradoRiver flows cd be much more serious than currently assumed https://t.co/jupxmsv9QR #water

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…

RT @jfleck: As Colorado River flows decline, it's not the precipitation, it's the heat: new from @bradudall & @TucsonPeck https://t.co/uFgc…