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Hi everyone,
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<div class="">Thanks to all who joined us for Jake Carsten’s MET seminar last Thursday. If you missed it, please contact Allison Wing (<a href="mailto:awing@fsu.edu" class="">awing@fsu.edu</a>) for the link to the recording (<i class="">please do NOT reply
to this email!). </i></div>
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<div class="">Hope to see you at our upcoming MET seminar on Thursday January 28 given by Mr. Hao Fu from Stanford. </div>
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<div class="">Cheers, </div>
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<div class="">Allison<br class="">
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<div class="">On Jan 21, 2021, at 9:00 AM, eoas-seminar--- via Eoas-seminar <<a href="mailto:eoas-seminar@lists.fsu.edu" class="">eoas-seminar@lists.fsu.edu</a>> wrote:</div>
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Hi All,</div>
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This is a friendly reminder that we will have spring semester's first MET seminar today. Jacob Carstens will be the speaker.</div>
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<b style="background-color: rgb(255, 255, 255);" class="">Zoom Link</b><span style="background-color: rgb(255, 255, 255); display: inline !important;" class="">: </span><a href="https://fsu.zoom.us/j/99318985413?pwd=Y0ZNYnJWYkt4VVNUVTlrOEYwNFlsUT09" style="margin: 0px; background-color: rgb(255, 255, 255);" class="">https://fsu.zoom.us/j/99318985413?pwd=Y0ZNYnJWYkt4VVNUVTlrOEYwNFlsUT09</a><br class="">
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For more information, please see the forwarded email.</div>
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Best,</div>
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Zhaohua</div>
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<div id="divRplyFwdMsg" dir="ltr" class=""><font face="Calibri, sans-serif" style="font-size: 11pt;" class=""><b class="">From:</b><span class="Apple-converted-space"> </span>Zhaohua Wu<br class="">
<b class="">Sent:</b><span class="Apple-converted-space"> </span>Sunday, January 17, 2021 1:31 PM<br class="">
<b class="">To:</b><span class="Apple-converted-space"> </span><a href="mailto:eoas-seminar@lists.fsu.edu" class="">eoas-seminar@lists.fsu.edu</a><span class="Apple-converted-space"> </span><<a href="mailto:eoas-seminar@lists.fsu.edu" class="">eoas-seminar@lists.fsu.edu</a>>;<span class="Apple-converted-space"> </span><a href="mailto:info@coaps.fsu.edu" class="">info@coaps.fsu.edu</a><span class="Apple-converted-space"> </span><<a href="mailto:info@coaps.fsu.edu" class="">info@coaps.fsu.edu</a>><br class="">
<b class="">Subject:</b><span class="Apple-converted-space"> </span>FSU Meteorology Seminar Series, 3:30 PM, Thursday, Jan. 21, 2021</font>
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Hi all,</div>
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Here is a seminar announcement in the FSU Meteorology Seminar Series. The information of the seminar is as follows:</div>
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<b class="">Speaker</b>: Mr. Jacob Carstens, Florida State University<br class="">
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<b class="">Title</b>: A Spectrum for Convective Self-Aggregation Based on Background Rotation</div>
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<b class="">Abstract</b>: Numerical modeling efforts have highlighted a tendency for convection to spontaneously self-organize, when initialized from radiative-convective equilibrium (RCE). This is known as “self-aggregation”, and arises due to interactions
between clouds, water vapor, radiation, and mesoscale circulations. Recent work has hinted that the relative roles of physical mechanisms influencing self-aggregation may change between nonrotating and rotating environments. This suggests that self-aggregation
may be characterized as a continuous spectrum of sorts, where regimes shift as the background rotation is altered. We address this hypothesis using 31 cloud-resolving, f-plane model simulations to resemble a range of tropical latitudes between 0.1°-20°. Simulations
are classified into three groups. The first group (“low-f”, 0.1°-5°) is characterized by preferential drying of the domain, where several dry anomalies emerge early on. These amplify over time, due primarily to radiative effects such as differential longwave
cooling from cloud coverage. Eventually, convection takes the form of either a nonrotating band or a quasi-circular region, the latter of which subsequently spins up into a tropical cyclone (TC). In contrast, the 9°-20° (“high-f”) group dries less rapidly
in the early stages, though enhanced surface flux effects aid in forming an anomalously moist region that eventually undergoes TC genesis. The TC serves as an “aggregating agent” of sorts, drying the domain due to its associated surface fluxes and longwave
cloud radiative feedbacks. Finally, a set of 6°-8° (“medium-f”) simulations fails to fully self-aggregate, continuing to produce convection across most of the domain. Feedback mechanisms that amplify moisture variance in the other simulations are significantly
weaker in this group. Ongoing research seeks to understand why this “medium-f” set of simulations fails to exhibit self-aggregation under either of the other two regimes. Diagnostic equations reveal significant differences in the spatial variability of radiative
cooling and surface enthalpy fluxes, but prognostic and more fundamental solutions remain the overarching goal. Hypotheses are presented for these at the conclusion of the talk, along with a brief description of a larger, cloud-resolving beta-plane simulation
currently in development to further investigate these results.<br class="">
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<b class="">Time</b>: 3:30 PM, Thursday, Jan. 21, 2021</div>
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<b class="">Zoom Link</b>: <a href="https://fsu.zoom.us/j/99318985413?pwd=Y0ZNYnJWYkt4VVNUVTlrOEYwNFlsUT09" id="LPlnk" class="">https://fsu.zoom.us/j/99318985413?pwd=Y0ZNYnJWYkt4VVNUVTlrOEYwNFlsUT09</a><br class="">
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Also see the seminar flyer.</div>
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Look forward to seeing you then.</div>
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Cheers,</div>
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Zhaohua</div>
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<span id="cid:785C3CCD-9C3E-4E92-87C5-8887943AE8AD@hsd1.fl.comcast.net."><MET_Seminar_Flyer_Carstens.pdf></span><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">_______________________________________________</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">Eoas-seminar
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<a href="mailto:Eoas-seminar@lists.fsu.edu" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class="">Eoas-seminar@lists.fsu.edu</a><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
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