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Hi all,</div>
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Dr. Prasanth Prabhakaran will be visiting my group this week and is also available for meetings with anyone interested. Let me know if you'd like to meet and I'll get you on his schedule. His current work focuses on modeling cloud transitions under different
aerosol and future climate conditions, but he'll soon be transitioning to a faculty position at the Indian Institute of Technology Delhi where he's planning to broaden his focus to deep convection and monsoon systems as well.</div>
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Cheers,</div>
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Michael</div>
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--</div>
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<b>Dr. Michael S. Diamond</b> </div>
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<span style="color: rgb(16, 24, 32);">Assistant Professor of Meteorology</span> </div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Eoas-seminar <eoas-seminar-bounces@lists.fsu.edu> on behalf of eoas-seminar--- via Eoas-seminar <eoas-seminar@lists.fsu.edu><br>
<b>Sent:</b> Friday, January 30, 2026 5:14 PM<br>
<b>To:</b> eoas-seminar--- via Eoas-seminar <eoas-seminar@lists.fsu.edu><br>
<b>Subject:</b> [Eoas-seminar] MET Seminar - Tuesday Feb 3, 3 PM - Dr. Prasanth Prabhakaran (FSU)</font>
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<span style="font-size:16px; color:rgb(0,0,0)">Please join us for a Meteorology seminar on Tuesday February 3 at 3 PM, given by Dr. Prasanth Prabhakaran, a postdoc here at FSU. He will speak about “<i>Marine cloud brightening in a warming world</i></span><i>”</i><span style="font-size:16px; color:rgb(0,0,0)"><i> </i>(abstract
below).</span></div>
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While Dr. Prabhakaran will present in person, a Zoom link is available for those with a medical excuse or approved work off-campus. Please contact Allison Wing (awing@fsu.edu) for the link.</div>
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DATE: Tuesday February 3</div>
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TIME: 3-4 PM, please join early for refreshments</div>
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LOCATION: EOA 1044 </div>
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SPEAKER: Dr. Prasanth Prabhakaran</div>
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TITLE: <i>Marine cloud brightening in a warming world</i></div>
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ABSTRACT: Marine low-clouds have a net cooling effect on the planet. They reflect a significant portion of the incoming solar radiation. The high sensitivity of these clouds to aerosol concentration has led to speculations about altering planetary albedo (reflectivity)
by increasing the aerosol concentration. This proposed climate intervention approach is referred to as marine cloud brightening (MCB), where the deliberate injection of sea-spray aerosol particles enhances the albedo of shallow marine low-clouds. We explore
the efficiency of MCB in a warmer climate towards the end of the century. Additionally, we assess the impact of climate change on aerosol-cloud interactions in these clouds.</div>
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We use a stratocumulus-to-cumulus transition (SCT) in the Northeast Pacific region as a representative case. Using a Lagrangian large-eddy simulation model, we examine two SCT cases with different free-tropospheric (FT) humidities — moist FT and dry FT. For
each case, we consider two Shared Socioeconomic Pathways (SSPs), SSP3-7.0 and SSP1-2.6, from the most recent Coupled Model Intercomparison Project (CMIP6) to determine the extent of warming and changes in aerosol concentration at the end of the century. We
find that the cloud radiative effect (CRE) in non-precipitating stratocumulus clouds is more susceptible to climate change than to aerosol. However, after the breakup of the cloud deck, the impact of aerosol tends to dominate. Furthermore, in these low-clouds,
aerosol-cloud interactions (Twomey effect and liquid water path adjustments) are to leading order immune to climate change, unless aerosol-induced cloud fraction adjustment is significant. Furthermore, we show that the efficacy of MCB decreases in a warmer
climate due to the reduction in low-cloud cover.</div>
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<div style="font-family:Aptos; font-size:12pt; color:rgb(0,0,0)"><span style="text-transform:none">We look forward to seeing you there!</span></div>
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<p style="margin:0in; font-family:Aptos,sans-serif; font-size:12pt">---------------------------------------------------</p>
<p style="margin:0in; font-family:Aptos,sans-serif; font-size:12pt">Allison A. Wing, Ph.D.</p>
<p style="margin:0in; font-family:Aptos,sans-serif; font-size:12pt">Werner A. and Shirley B. Baum Associate Professor</p>
<p style="margin:0in; font-family:Aptos,sans-serif; font-size:12pt">Department of Earth, Ocean and Atmospheric Science</p>
<p style="margin:0in; font-family:Aptos,sans-serif; font-size:12pt">Florida State University</p>
<p style="margin:0in; font-family:Aptos,sans-serif; font-size:12pt"><span style="color:rgb(70,120,134)"><u><a href="mailto:awing@fsu.edu" data-outlook-id="ded920ad-3d55-4bc0-9018-9cc1e6733ba8" style="color:rgb(70,120,134); margin-top:0px; margin-bottom:0px">awing@fsu.edu</a></u></span></p>
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