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Dear Colleagues,</div>
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This is a reminder that today @ 3:00 PM we will have an EOAS colloquium. Prof. Wing will be the speaker of today's colloquium.</div>
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Best,</div>
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Zhaohua<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Zhaohua Wu <zwu@fsu.edu><br>
<b>Sent:</b> Monday, January 22, 2024 11:28 AM<br>
<b>To:</b> eoas-seminar@lists.fsu.edu <eoas-seminar@lists.fsu.edu>; info@coaps.fsu.edu <info@coaps.fsu.edu><br>
<b>Subject:</b> EOAS Colloquium on Friday, Jan. 26 @ 3:00 PM</font>
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<div class="x_elementToProof"><span style="letter-spacing:normal; font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:black; font-weight:400">Dear colleagues,</span></div>
<div style="text-align:left; background-color:rgb(255,255,255); margin:0px"><span style="letter-spacing:normal; font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:black; font-weight:400"><br>
</span></div>
<div style="text-align:left; background-color:rgb(255,255,255); margin:0px"><span style="letter-spacing:normal; font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:black; font-weight:400">Here is the announcement of this week's EOAS colloquium:</span></div>
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<div class="x_elementToProof" style="text-align:left; margin:0px"><span style="letter-spacing:normal; font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt; color:black"><b>Time</b></span><span style="letter-spacing:normal; font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt; color:black; font-weight:400">:
Friday, Jan. 26 @ 3:00 PM</span></div>
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<div style="text-align:left; margin:0px"><span style="letter-spacing:normal; font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt; color:black"><b>Location</b></span><span style="letter-spacing:normal; font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt; color:black; font-weight:400">: EOAS 1050
(regular EOAS colloquium room)</span></div>
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<div class="x_elementToProof" style="text-align:left; margin:0px"><span style="letter-spacing:normal; font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt; color:black; background-color:white"><b>Speaker</b></span><span style="letter-spacing:normal; font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt; color:black; background-color:white; font-weight:400">:
Prof. Allison Wing, EOAS, Florida State University</span></div>
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</b></span></div>
<div style="text-align:left; background-color:rgb(255,255,255); margin:0px"><span style="letter-spacing:normal; font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:black"><b>Title</b></span><span style="letter-spacing:normal; font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:black; font-weight:400">:
</span><span style="letter-spacing:normal; font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:black">Acceleration of tropical cyclone development by cloud-radiative feedbacks</span></div>
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<span style="letter-spacing:normal; font-family:Calibri,Arial,Helvetica,sans-serif; font-size:16px; color:black; background-color:white"><b>Abstract</b></span><span style="letter-spacing:normal; font-family:Calibri,Arial,Helvetica,sans-serif; font-size:16px; color:black; background-color:white; font-weight:400">:
</span><span style="letter-spacing:normal; font-family:Calibri,Arial,Helvetica,sans-serif; font-size:16px; color:black; background-color:white">A complete understanding of the development of hurricanes and tropical cyclones (TC) remains elusive and forecasting
TC intensification remains challenging. This motivates further research into the physical processes that govern TC development. Here, I investigate the importance of radiative feedbacks in TC development and the mechanisms underlying their influence is investigated
in a set of idealized convection-permitting numerical simulations. I find that a “cloudy greenhouse effect” accelerates TC development, in which anomalous infrared warming in areas of deep thunderstorm clouds near the center of the TC drives rising motion
in the storm, which helps moisten the atmosphere and aids in the formation of the TC’s circulation. Improving the representation of cloud-radiative feedbacks in forecast models therefore has the potential to yield critical advancements in TC prediction, but
this requires a better understanding of these cloud-radiative feedbacks in observed TCs. Thus I also present ongoing work that investigates these processes using satellite (CloudSat) retrievals of cloud properties. Both the model simulations and satellite
observations agree that ice clouds are the strongest driver of the radiative feedbacks, and that these feedbacks are particularly important in storms undergoing rapid intensification.</span></div>
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<div style="text-align:left; background-color:rgb(255,255,255); margin:0px"><span style="letter-spacing:normal; font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:black; font-weight:400">A Zoom link to the talk is available only by request.</span></div>
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