SA41C:
Disturbances in the Thermosphere and Ionosphere: Current Understanding and Operational Impacts I (Half Session)

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Session ID#: 18395

Session Description:
Much progress has been achieved in understanding the variations and drivers in the ionosphere and thermosphere (IT) through advances in measurements and modeling. However, the maximum potential in our nowcast and forecast capability of the IT system for the operational community has not been fully realized. Significant work in predicting satellite drag effects, satellite surface/deep charging events, scintillations or disruptions in radio communication, radar clutter, and long term IT climate trends remains to be done. In this session, we will explore what those challenges are and attempt to delineate the areas where NASA, NOAA, NSF, DoD, and other agencies need to make investments in space weather data services to meet the goals of the new National Space Weather Strategy and Action Plan. This session welcome all contributions on the IT measurements, models and applications needed to move our field forward and show relevance to the science and applications community.
Primary Convener:  Yongliang Zhang, Johns Hopkins University, Baltimore, MD, United States
Conveners:  Larry J Paxton, Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States, Timothy J Fuller-Rowell, University of Colorado at Boulder, CIRES, Boulder, United States and James C Jones, Northrop Grumman Corporation Bellevue, Bellevue, NE, United States
Chairs:  James C Jones, Northrop Grumman Corporation Bellevue, Bellevue, NE, United States, Larry J Paxton, Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States, Timothy J Fuller-Rowell, University of Colorado at Boulder, CIRES, Boulder, United States and Yongliang Zhang, Johns Hopkins University, Baltimore, MD, United States
OSPA Liaison:  Yongliang Zhang, Johns Hopkins University, Baltimore, MD, United States
Index Terms:

0358 Thermosphere: energy deposition [ATMOSPHERIC COMPOSITION AND STRUCTURE]
2427 Ionosphere/atmosphere interactions [IONOSPHERE]
2437 Ionospheric dynamics [IONOSPHERE]
4305 Space weather [NATURAL HAZARDS]

Abstracts Submitted to this Session:

Evaluation of the CIRA models at low altitude with GOCE densities (117828)
Sean Bruinsma, CNES French National Center for Space Studies, Toulouse Cedex 09, France, Adrian Jaeggi, Astronomical Institute, University of Bern, Bern, Switzerland, Daniel Arnold, University of Bern, Astronomical Institute, Bern, Switzerland and Noelia sanchez-Ortiz, Elecnor Deimos, Tres Cantos, Spain
The Thermosphere Fights Back: Sources of Nitric Oxide Overcooling During Geomagnetic Storms (Invited) (118608)
Delores Knipp, University of Colorado at Boulder, Aerospace Engineering Sciences, Boulder, United States, Daniel V. Pette, University of Colorado at Boulder, Aerospace Engineering Sciences, Boulder, CO, United States, Liam M Kilcommons, University of Colorado, Boulder, CO, United States, Martin G Mlynczak, NASA Langley Research Ctr, Hampton, United States and Linda A Hunt, SSAI, Hampton, VA, United States
Improved Orbit Determination and Forecasts with an Assimilative Tool for Atmospheric Density and Satellite Drag Specification (Invited) (185682)
Geoff Crowley1, Marcin Pilinski1, Eric K Sutton2, Mihail Codrescu3, Timothy J Fuller-Rowell4, Tomoko Matsuo5, Mariangel Fedrizzi6, Stanley C Solomon7, Liying Qian8 and Jeffrey P Thayer9, (1)Atmospheric and Space Technology Research Associates, LLC, Boulder, CO, United States, (2)Kirtland Air Force Base, Kirtland AFB, NM, United States, (3)Space Weather Prediction Center, Boulder, CO, United States, (4)University of Colorado at Boulder, CIRES, Boulder, United States, (5)University of Colorado Boulder, Boulder, United States, (6)University of Colorado at Boulder, Boulder, CO, United States, (7)NCAR, HAO, Boulder, CO, United States, (8)University Corporation for Atmospheric Research, Boulder, CO, United States, (9)University of Colorado at Boulder, Smead Aerospace Engineering Sciences, Boulder, United States
Modeling Weather in the Ionosphere using the Navy’s Highly Integrated Thermosphere and Ionosphere Demonstration System (HITIDES) (141604)
Sarah E McDonald1, Fabrizio Sassi2, Kate Zawdie1, Dr. John Patrick McCormack1, Clayton Coker1, Joseph Huba3 and Jonathan Krall1, (1)US Naval Research Laboratory, Washington, DC, United States, (2)Naval Research Lab DC, Washington, United States, (3)US Naval Research Laboratory, Plasma Physics Division, Washington, DC, United States

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