[Eoas-seminar] MET Seminar on TODAY 3:30 PM

[eoas-seminar at lists.fsu.edu]

Dear all,

Please join us for today’s MET Seminar at 3:30 PM, given by Dr. Cristi Proistosescu on “Coupled climate models fail to simulate observed sea surface temperature patterns, weakening constraints on future warming”. As a reminder, these seminars are open to anyone in the department.

Zoom Link:  https://fsu.zoom.us/j/95514229100?pwd=ZWgxSnZYTEd2bGtONUtvRCtmZHpMZz09
Meeting ID: 955 1422 9100
Passcode: 157472
One tap mobile
+13126266799,,95514229100# US (Chicago)
+16465588656,,95514229100# US (New York)

Graduate students, please stick around after the seminar for a student Q&A with the speaker!

See you there,

Allison


——————————————————
Allison Wing, Ph.D.
Assistant Professor
Earth, Ocean and Atmospheric Science
Florida State University
awing at fsu.edu<mailto:awing at fsu.edu>



On Mar 8, 2021, at 9:15 AM, eoas-seminar--- via Eoas-seminar <eoas-seminar at lists.fsu.edu<mailto:eoas-seminar at lists.fsu.edu>> wrote:

Hi all,

Here is an announcement that we have a MET seminar at 3:30 PM on Thursday, Mar. 11, 2021. The related information can be found in the following and the attached flyer.

Speaker: Dr. Cristi Proistosescu, Department of Atmospheric Sciences, University of Illinois

Title: Coupled climate models fail to simulate observed sea surface temperature patterns, weakening constraints on future warming

Abstract:  The pattern of changes in Sea Surface Temperatures (SSTs) over recent decades has been marked by enhanced warming in the western equatorial Pacific and cooling in the eastern Pacific and Southern Ocean. This pattern led to an acceleration of the Walker circulation, a strengthening of the trade inversion and an increase in low cloud cover in the East Pacific. Current state-of-the-art coupled atmosphere-ocean climate models fail to reproduce the observed SST pattern and attendant changes in atmospheric circulation and clouds. Due to this discrepancy in SST patterns, observations lie outside the coupled model ensemble across several key metrics – critically among them the net radiative feedback. Our analysis shows that this discrepancy in SST patterns could account for the inability of high climate sensitivity CMIP6 coupled models to reproduce the overall magnitude of historical warming. If the bias is due to either a transient in the forced response or natural variability, then high long-term warming cannot be discounted based on recent warming trends. It remains an open question whether the problem in the coupled models lies with a bias in the forced response or insufficient natural variability.

Time: 3:30 PM, Thursday, Mar. 11, 2021

Zoom Link:  https://fsu.zoom.us/j/95514229100?pwd=ZWgxSnZYTEd2bGtONUtvRCtmZHpMZz09
Meeting ID: 955 1422 9100
Passcode: 157472
One tap mobile
+13126266799,,95514229100# US (Chicago)
+16465588656,,95514229100# US (New York)

It is noted that the pre-seminar session, "Meeting with the Speaker," will start at 3:00 PM with the same zoom link. A post-seminar student-speaker session will start immediately after the seminar. Look forward to seeing you then.

Cheers,

Zhaohua

<MET_Seminar_Flyer_Proistosescu.pdf>_______________________________________________
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