Sam Stevenson
@slgstevenson
Climate modeler interested in all things tropical Pacific: past variability, future projections, and remote impacts. Associate prof at UC Santa Barbara
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Update: we're hiring! (again) Postdoc position on climate variability's impact on the @NOAA_CINMS, with Cheryl Harrison and @ryanfreedman collaborating! Link at: recruit.ap.ucsb.edu/JPF02659 (apply by Feb 15 for first consideration)
Hello science friends! I'm trying to compile a list of places to access #climate model output for a website I'm developing (coming soon!) and am pretty sure I missed a bunch: who has favorite websites they like to use??
Our paper on 2k hydroclimate is out today in @NatureGeosci! w/an incredible team of @PAGES_IPO #Iso2k co-authors, incl @npmckay @raindrop_herder @slgstevenson @drmattjones @jonathanjtyler @aquablusee @Elizotope @DrSpeedyDee @iso_topel @HSayani nature.com/articles/s4156… [1/2]
New paper alert! Field observations from #Palmyra atoll during the 2014-15, 2015-16 #ElNino events show very different isotopic signatures, with big implications for #coral reconstructions. With @coralsncaves, @AR_Atwood, @scubasanchez, and many others! agupubs.onlinelibrary.wiley.com/doi/10.1029/20…
Our review of 𝗠𝗲𝗰𝗵𝗮𝗻𝗶𝘀𝗺𝘀 𝗼𝗳 𝘁𝗿𝗼𝗽𝗶𝗰𝗮𝗹 𝗣𝗮𝗰𝗶𝗳𝗶𝗰 𝗱𝗲𝗰𝗮𝗱𝗮𝗹 𝘃𝗮𝗿𝗶𝗮𝗯𝗶𝗹𝗶𝘁𝘆, is out today in @NatRevEarthEnv! Led by Antonietta Capotondi & Shayne McGregor, and our @WCRP_CLIVAR Pacific Panel. nature.com/articles/s4301… @CIRESnews @MonashUni
New paper out in @nature today!! Led by the amazing @raindrop_herder, with @other_rock and @drynamics: anthropogenic impacts on the Pacific Walker Circulation insignificant, but volcanoes cause an El Nino-like response nature.com/articles/s4158…
Confirmed human toll from wildland-urban interface #MauiFires is terrible (already second deadliest wildfire in modern American history), but grim reports from residents on the ground suggest actual toll is even greater & that there is still minimal outside assistance. #MauiFire
Wanted to give an update as I have several first responder friends down in Lahaina tonight. There’s body’s all over town and in the water that have not been accounted for and reported yet. So many people never made it out. There are possibly hundreds dead and even more missing.
After a years-long saga running our new E3SMv1 ensemble and lots of back and forth with reviewers, I am excited to announce that the description paper is now PUBLISHED! With @manu_ocean and our other wonderful coauthors :) agupubs.onlinelibrary.wiley.com/doi/10.1029/20…
New paper out! With Xingying Huang, looking at the @NCAR_Science Multimodel Large Ensemble Archive: knowing how ENSO will respond to #climatechange is crucial for getting #SoCal precipitation correct! agupubs.onlinelibrary.wiley.com/doi/10.1029/20…
💫 Review Paper✨ "Water isotopes, climate variability, and the hydrological cycle: recent advances and new frontiers" out today in ERC - check it out! iopscience.iop.org/article/10.108… w/ @AdrianaBailey, Jess Conroy, @AR_Atwood, @slgstevenson, Jesse Nusbaumer, @noonetweeting @USCLIVAR
Our new review paper on Pacific decadal variability is now out! Led by @manu_ocean, with many awesome colleagues including @DillonAmaya and others who aren't on Twitter :) annualreviews.org/doi/full/10.11…
For folks asking how this compares to our hypothetical "ARkStorm 2.0" scenarios published, a very approximate estimate: we've so far experienced about 1/3 to 1/2 the precipitation we'd expect from such a scenario on a statewide basis. #CAwx #CAwater [1/2] science.org/doi/10.1126/sc…
![Weather_West's tweet image. For folks asking how this compares to our hypothetical "ARkStorm 2.0" scenarios published, a very approximate estimate: we've so far experienced about 1/3 to 1/2 the precipitation we'd expect from such a scenario on a statewide basis. #CAwx #CAwater [1/2]
science.org/doi/10.1126/sc…](https://pbs.twimg.com/media/FmPCKGmacAIgtaz.jpg)
UPDATED total precipitation for the series of atmospheric rivers that have affected California since December 26, a period of 16 days. In this time California averaged 8.61 inches of precipitation and the San Francisco-Oakland metropolitan statistical area averaged 13.34 inches.
Another way of looking at it: not a *single* member of the full ECMWF ensemble indicates the current very wet and active pattern will continue past Jan 20-21. A sustained break is coming, but we still have a solid 7-10 days to go first. #CAwx #CAwater
![Weather_West's tweet image. And there is now a plausible end in sight: multi-model ensembles continue to suggest a return to a West Coast ridge pattern in about 9-10 days (by Jan 20)--probably giving folks a much-needed chance to dry out and dig out. #CAwx #CAwater [4/4]](https://pbs.twimg.com/media/FmKkiqGaYAANeYK.png)
Fourteen inches of rain in less than 48 hours in the mountains above Santa Barbara-- this is approaching a "once-in-1000-year" storm event. The runoff and erosion from this event will alter the streams and hills for decades to centuries to come! #CAwx
Latest rainfall table as of 8 PM PST. Highest amounts 14.13 inches at Nordhoff Ridge in VTU County & 14.05 inches at San Marcos Pass in SBA County. Highest in L.A. County 6.53 inches at Warm Springs in the mtns. weather.gov/wrh/TextProduc… #cawx #SoCal #LAWeather #LARain
Santa Barbara has received more than third of our average *annual* rainfall in the last ~20 hours. This is an historic meteorological, geomorphological, and human event. Hoping everyone is safe. #cawx #santabarbara #AtmosphericRiver
this is unbelievably horrible, so sorry Chris and everyone at @uarizona!
Shouting in the dark. And no one heard. For you, Tom. For your family. For the Department of Hydrology and Atmospheric Sciences. For the University of Arizona you loved and were so proud of. tucsonsentinel.com/local/report/1…
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