<span style="font-size:14pt;font-family:"Times New Roman","serif"">Note: Access to the WebEx webcast is
limited to the first 25 participants. If you are locked out, don't despair; the
slides are at <a href="http://www.jcsda.noaa.gov/JCSDASeminars.php"><span style="color:blue">http://www.jcsda.noaa.gov/JCSDASeminars.php</span></a> <br>
Colleagues in the same office are encouraged to share the WebEx connection. Participants
in the conference call are urged to mute their telephones or maintain absolute
silence in their rooms.<br></span>
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<p class="MsoNormal" style="text-align:center" align="center"><b style><span style="font-size:36.0pt;font-family:"Cambria","serif";color:#6c3fb5">JCSDA
Seminar</span></b></p>
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<p class="MsoNormal" style="text-align:right" align="right"><b style><span style="font-size:14.0pt">Title</span></b></p>
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<p class="MsoNormal" style><b style><span style="font-size:14.0pt;font-family:"Arial","sans-serif"">Assessments
of the Advanced Technology Microwave Sounder (ATMS) and Special Sensor
Microwave Imager/Sounder (SSMIS) for NWP Data Assimilation</span></b></p>
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<p class="MsoNormal" style="text-align:right" align="right"><b style><span style="font-size:14.0pt">Speaker</span></b></p>
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<p class="MsoNormal"><b style><span style="font-size:14.0pt;font-family:"Arial","sans-serif"">Fuzhong Weng,<br>
NOAA/NESDIS</span></b><b style><span style="font-size:16.0pt;font-family:"Arial","sans-serif""></span></b></p>
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<p class="MsoNormal" style="text-align:right" align="right"><b style><span style="font-size:14.0pt">Date, Time & Place</span></b></p>
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<p class="MsoNormal" style><b style><span style="font-size:14.0pt;font-family:"Arial","sans-serif"">Wednesday,
June 20, 2012<br>
</span></b><b style><span style="font-family:"Arial","sans-serif";color:red">2:00 – 3:00 PM, </span></b><span style="font-size:11.0pt;font-family:"Arial","sans-serif"">World Weather
Building, <b style><span style="color:red">Room
707</span></b>, 5200 Auth Road, Camp Springs, MD 20746</span><span style="font-family:"Arial","sans-serif""></span></p>
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<p class="MsoNormal" style="text-align:right" align="right"><b style><span style="font-size:14.0pt">Abstract</span></b></p>
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<p class="MsoNormal" style="text-align:justify;text-justify:inter-ideograph"><span style="font-size:11.0pt;font-family:"Arial","sans-serif"">The Suomi National
Polar-orbiting Partnership (NPP) Advanced Technology Microwave Sounder (ATMS)
provides 22 channels for probing atmospheric temperature and water vapor
under all weather conditions. After intensive cal/val studies, the ATMS TDR data
quality is similar to the Advanced Microwave Sounding Unit (AMSU) and
Microwave Humidity Sounder (MHS). The global O-B distributions of ATMS temperature
sounding channels are fairly uniform, which is a desirable characteristic for
NWP applications. For quality control of clouds and precipitation affected
radiances, the AMSU-A cloud liquid algorithm has been refined for ATMS
applications. A new approach is developed for ATMS TDR to SDR conversion
using the NPP pitch-over maneuver data. Using ATMS SDR data, the O-B displays
less scan-angle dependence. On board the DMSP satellite, the Special Sensor
Microwave Imager and Sounder (SSMIS) provides 24 channels for imaging and
sounding the earth atmosphere. The radiance anomalies of the lower
atmospheric sounding (LAS) channels were initially detected by analyzing NWP
O-B and found to be associated with the radiation emitted by the antenna
reflector and the solar contamination on the calibration targets. Algorithms
have been developed to correct these anomalies. After the correction, impacts
of SSMIS data on NWP medium-range forecast skills are demonstrated. <span style> </span></span></p>
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<p class="MsoNormal" style="text-align:right" align="right"><b style><span style="font-size:14.0pt">Remote Access</span></b></p>
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<p class="MsoNormal" style><b style><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Video:</span></b><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> 1.</span><span style="font-size:10.0pt"> </span><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Go to </span><span style="font-size:10.0pt"><a href="https://star-nesdis-noaa.webex.com/mw0305l/mywebex/default.do?siteurl=star-nesdis-noaa"><span style="font-family:"Arial","sans-serif"">JCSDA
Seminar</span></a> and click on the seminar title</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><br>
2. Enter your name and email address. <br>
3. Enter the meeting password: JCSDAseminars707<br>
4. Click "Join Now". <br>
5. Follow the instructions that appear on your screen. <br>
<b style>Audio: </b>USA participants:
1-866-715-2479, Passcode: 9457557<br>
International:
1-517-345-5260</span></p>
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<p class="MsoNormal" style="text-align:right" align="right"><b style><span style="font-size:14.0pt">Contact</span></b></p>
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<p class="MsoNormal" style><span style="font-size:10.0pt">If you would like to present a seminar contact <a href="mailto:George.Ohring@noaa.gov">George.Ohring@noaa.gov</a></span></p>
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<p class="MsoNormal" style="text-align:right" align="right"><b style><span style="font-size:14.0pt">Seminar Files</span></b></p>
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<p class="MsoNormal" style><span style="font-size:10.0pt">Slides available the day before and audio recording the day after the
presentation at <a href="http://www.jcsda.noaa.gov/JCSDASeminars.php">http://www.jcsda.noaa.gov/JCSDASeminars.php</a>
</span></p>
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