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all, </span>
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Please join us this <b class="ContentPasted0">Thursday April 13</b> for a<span class="ContentPasted0"> </span><span data-markjs="true" class="markmn5vcsf4h ContentPasted0" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="margin:0px">Met</span>eorology<span class="ContentPasted0"> </span><span data-markjs="true" class="mark23nyqksn7 ContentPasted0" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="margin:0px">seminar</span>,
given by Dr. Qiu Yang from the Pacific Northwest National Laboratory. Dr. Stansfield will speak about “<i class="ContentPasted0 ContentPasted2">Impact of Global Warming on U.S. Summertime Mesoscale Convective Systems: A Simple Lagrangian Parcel Model Perspective</i>"
(abstract below).<br class="ContentPasted0">
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Dr. Yang will be joining us virtually, but we will gather in EOA 1044 to participate in the<span class="ContentPasted0"> </span><span data-markjs="true" class="mark23nyqksn7 ContentPasted0" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="margin:0px">seminar</span>.
If you cannot attend in person due to a medical reason or approved work out of town, please contact Zhaohua Wu (<a target="_blank" rel="noopener noreferrer" data-auth="NotApplicable" data-safelink="true" data-linkindex="0" style="margin:0px" class="ContentPasted0">zwu@fsu.edu</a>)
for remote access. Otherwise, we look forward to seeing everyone in 1044! Please join us for refreshments prior to the beginning of the talk at 3:15 PM. </div>
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<b class="ContentPasted0">DATE:</b> Thursday April 7<br class="ContentPasted0">
<b class="ContentPasted0"><span data-markjs="true" class="mark23nyqksn7 ContentPasted0" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="margin:0px">SEMINAR</span><span class="ContentPasted0"> </span>TIME:</b> Refreshments at 3 PM, Talk 3:15 PM -
4:15 PM. <br class="ContentPasted0">
<b class="ContentPasted0"><span data-markjs="true" class="mark23nyqksn7 ContentPasted0" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="margin:0px">SEMINAR</span><span class="ContentPasted0"> </span>LOCATION:</b> EOA 1044 (Speaker remote)<br class="ContentPasted0">
<b class="ContentPasted0">SPEAKER: </b>Dr. Qiu Yang<br class="ContentPasted0">
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<b class="ContentPasted0">TITLE: </b><i class="ContentPasted0 ContentPasted3">Impact of Global Warming on U.S. Summertime Mesoscale Convective Systems: A Simple Lagrangian Parcel Model Perspective</i><br class="ContentPasted0">
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<b class="ContentPasted0">ABSTRACT</b><br class="ContentPasted0">
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<div style="font-size: 15px; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; margin: 0px; color: rgb(36, 36, 36); background-color: rgb(255, 255, 255);" class="ContentPasted0">
<span lang="en-US" style="font-variant-ligatures: none; line-height: 20.5042px; font-family: Arial, sans-serif; margin: 0px; color: rgba(0, 0, 0, 0.85);"><span style="margin:0px" class="ContentPasted0"></span></span>Mesoscale convective systems (MCSs) are the
dominant rainfall producer in the U.S. during the warm season, causing natural disasters and severe weather every year. Global climate models have large uncertainty in projecting precipitation changes in the future climate. Here we developed a simple Lagrangian
parcel model (includes single- and multi-column models) to investigate the impact of global warming on MCS initiation and growth. The single-column parcel model projects a mean precipitation decrease over the central U.S. and an increase to its east, in agreement
with the CMIP5 model projection. It also highlights the crucial role of current climate mean state model bias in influencing future mean precipitation projection. As for convective population, the model captures the decreased occurrence frequency of weak to
moderate convection and increased frequency of strong convection due to the increased CAPE and CIN, in agreement with convection-permitting regional simulations. The multi-column parcel model captures readily the cold pool-induced upscale growth feature. It
simulates smaller mesoscale clusters over the central U.S. under global warming due to gust front slowdown and subsidence strength enhancement. The model should be a useful tool for investigating the impact of global warming on MCS at mid-latitudes and providing
useful guidelines to improve GCM simulations.<span style="line-height: 20.5042px; font-family: Arial, sans-serif; margin: 0px; color: rgba(0, 0, 0, 0.85);" class="ContentPasted0"></span></div>
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We look forward to seeing you there! </div>
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Cheers,</div>
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Zhaohua</div>
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