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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Jasinski, Michael F. (GSFC-6170) <michael.f.jasinski@nasa.gov><br>
<b>Sent:</b> Wednesday, April 1, 2020 10:44 AM<br>
<b>To:</b> 610 All <610_all@nccs.nasa.gov>; Benjamin Zaitchik <zaitchik@jhu.edu>; Kustas, Bill <Bill.Kustas@ARS.USDA.GOV>; Bob Adler <radler@umd.edu>; Brian <brian.cosgrove@noaa.gov>; Churchill Okonkwo <churchill.okonkwo@gmail.com>; Doorn, Bradley (HQ-DK000)
<bradley.doorn@nasa.gov>; drbelvedere@gmail.com <drbelvedere@gmail.com>; Entin, Jared K. (HQ-DK000) <jared.k.entin@nasa.gov>; Gerasimos Michaelitsianos <gmichali@terpmail.umd.edu>; Huan Wu <huanwu@umd.edu>; Houser, Paul R. (HQ-DX000)[Affiliate] <phouser@gmu.edu>;
Ide, Kayo K. (ARC-TNE)[ARC-NAS-HECC] <ide@umd.edu>; Prof. Xinzhong Liang <xliang@umd.edu>; Falkowski, Michael J. (HQ-DH000) <michael.falkowski@nasa.gov>; Haffke, Colene M. (HQ-DK000)[Arctic Slope Technical Services, Inc.] <colene.m.haffke@nasa.gov><br>
<b>Cc:</b> Christian, Jordan <jchristian@ou.edu><br>
<b>Subject:</b> [610_all] TWC Seminar by Jordan Christian, U. Oklahoma, Fri April 3, noon-1:00 PM EDT</font>
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Please join us this Friday for our virtual Terrestrial Water Cycle Seminar by Jordan Christian of the School of Meteorology, University of Oklahoma. </p>
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<b>WHEN: Friday, April 3, noon-1:00 PM EDT</b></p>
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<b>WHERE: WebEx Meeting</b></p>
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<span style="color:black">Meeting number (access code): 908 615 511 </span></p>
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<span style="color:black">Meeting password: sdZiM7Fn2@7</span></p>
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<span style="color:#666666">Friday, April 3, 2020 </span></p>
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<span style="color:#666666">12:00 pm | Eastern Daylight Time (New York, GMT-04:00) | 1 hr
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<span style="font-size:10.5pt; font-family:"Arial",sans-serif; color:#333333"><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__nasaenterprise.webex.com_nasaenterprise_j.php-3FMTID-3Dmeec59960c23bc3b5f5743aed2a38506a&d=DwMGaQ&c=ApwzowJNAKKw3xye91w7BE1XMRKi2LN9kiMk5Csz9Zk&r=3G_Ikiyx_qnchx_NqXLthbDKtmepqbryQmpbRUHD1xA&m=-BQ_pv39MKTebGVIrTA7ASSvH5fu7m-dg7RW9AmGSp8&s=hq0btZwVoo0KcmKR064QLjrb6c5cti4Dz53fpzAEJEI&e="><span style="font-size:15.0pt; font-family:"Calibri",sans-serif; color:white; background:#43A942; text-decoration:none">Start
meeting</span></a></span></p>
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<b><span style="font-size:12.0pt"> </span></b></p>
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<b>USA Toll Free #: 1-844-467-4685</b></p>
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<b>USA Local/Toll #: 1-720-259-7012</b></p>
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<b>Participant Passcode: 761965</b></p>
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<b>Conference ID: 123359787</b></p>
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(Note: We believe we considered everything, but if there is some delay starting, we request your patience as this is our first virtual seminar)</p>
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<b> </b></p>
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<b><span style="font-size:12.0pt">……………………………………………………………………………………………………</span></b></p>
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<b><span style="font-size:18.0pt; font-family:"Arial",sans-serif; color:#002060">Flash Drought Identification: Climatological Analysis and Case Studies</span></b></p>
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<b><span style="font-family:"Arial",sans-serif; color:#002060"> </span></b></p>
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<b><span style="font-family:"Arial",sans-serif; color:#002060">Jordan Christian</span></b></p>
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<b><span style="font-family:"Arial",sans-serif; color:#002060">Graduate Research Assistant</span></b></p>
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<b><span style="font-family:"Arial",sans-serif; color:#002060">School of Meteorology</span></b></p>
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<b><span style="font-family:"Arial",sans-serif; color:#002060">University of Oklahoma</span></b></p>
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<b><span style="font-family:"Arial",sans-serif; color:#002060">Norman, OK 73072</span></b></p>
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<b><span style="font-family:"Arial",sans-serif; color:#002060">Phone: 405-325-6561</span></b></p>
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<b><span style="font-family:"Arial",sans-serif; color:#002060">Email: <a href="mailto:jchristian@ou.edu">
<span style="color:#002060">jchristian@ou.edu</span></a></span></b></p>
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<b><span style="font-size:12.0pt; color:#002060">Abstract:</span></b></p>
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<span style="font-family:"Arial",sans-serif; color:#002060">Flash droughts are characterized by their rapid development toward drought conditions. Rapid drought onset occurs when a combination of extreme atmospheric anomalies (such as lack of rainfall, higher
surface temperatures, higher surface wind speeds, and higher vapor pressure deficient) persist for several weeks. Due to a rapid depletion in soil moisture and increased evaporative stress associated with these events, flash droughts can lead to significant
agricultural yield loss, place excessive stress on ecosystems, and increase the risk of wildfires.</span></p>
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<span style="font-family:"Arial",sans-serif; color:#002060">An impact-based flash drought identification methodology for gridded datasets using the standardized evaporative stress ratio (SESR) is presented. Additionally, an overview is provided on the development
of the methodology and various applications of flash drought identification. Key topics include flash drought hot spots across the U.S., regional characteristics of flash droughts across U.S. climate regions, the temporal and spatial evolution of the 2012
flash drought, and flash drought as a precursor to the 2010 Russian heatwave event.</span></p>
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<b><span style="font-size:12.0pt; color:#002060">Brief Bio</span></b><span style="font-size:12.0pt; color:#002060">:</span></p>
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<span style="font-family:"Helvetica",sans-serif; color:#002060">Jordan Christian received his B.S. Degree in Meteorology from the University of Oklahoma, his M.S. Degree in Atmospheric Science from the University of Wyoming, and is currently a Ph.D. student
in Meteorology at the University of Oklahoma. His research interests include drought to pluvial dynamics, land-atmosphere interactions, and are currently focused on flash drought development from local to global scales.</span><span style="color:#002060"> </span></p>
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