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Overview of the Convection and Moisture Experiment (CAMEX)

Ramesh Kakar, Michael Goodman, Robbie Hood, Anthony Guillory
2006 Journal of the Atmospheric Sciences  
airborne radar observations to evaluate TRMM precipitation radar products.  ...  CAMEX-4 field operations The NASA airborne platforms used during CAMEX-4 included piloted aircraft and uninhabited aerial vehicles.  ... 
doi:10.1175/jas3607.1 fatcat:cs74kbqpvvf7ph3ymthjw47spy

An onboard processor and adaptive scanning controller for the Second-Generation Precipitation Radar

M.A. Fischman, A.C. Berkun, W. Chun, E. Im, R.J. Andraka
2005 IEEE Transactions on Geoscience and Remote Sensing  
Technology for the 14-and 35-GHz Second-Generation Precipitation Radar (PR-2) is currently being developed by the National Aeronautics and Space Administration Jet Propulsion Laboratory to support the  ...  PR-2 will rely on high-performance onboard processing techniques in order to improve the observation capabilities (swath width, spatial resolution, and precision) of a low-earth orbiting rainfall radar  ...  Tanelli for preparing the airborne PR-2 data products from the CAMEX-4 and AMSR-E validation experiments.  ... 
doi:10.1109/tgrs.2005.844670 fatcat:3yoza5dmdbe2jd5yv5o27hsopa

Classification of Tropical Oceanic Precipitation using High-Altitude Aircraft Microwave and Electric Field Measurements

Robbie E. Hood, Daniel J. Cecil, Frank J. LaFontaine, Richard J. Blakeslee, Douglas M. Mach, Gerald M. Heymsfield, Frank D. Marks, Edward J. Zipser, Michael Goodman
2006 Journal of the Atmospheric Sciences  
AMPR during CAMEX-3 and CAMEX-4 or future data sets requiring real-time analysis.  ...  Verijication using EDOP information The API has been compared with EDOP reflectivity profiles for the tropical cyclone and precipitation cases collected during CAMEX-3 and CAMEX-4.  ... 
doi:10.1175/jas3606.1 fatcat:hxdn7he2qre6zauxxpnx6hocpe

X-band Polarimetric Radar Rainfall Measurements in Keys Area Microphysics Project

Emmanouil N. Anagnostou, Mircea Grecu, Marios N. Anagnostou
2006 Journal of the Atmospheric Sciences  
The Keys Area Microphysics Project (KAMP), conducted as part of NASA's Fourth Convective and Moisture Experiment (CAMEX-4) in the lower Keys area, deployed a number of ground radars and four arrays of  ...  Results shown in this paper strengthen the applicability of X-band dual-polarization high resolution observations in cloud modeling and precipitation remote sensing studies.  ...  This research was cofunded by NASA-CAMEX project and NSF-CAREER award to Prof. E. N. Anagnostou. The quality controlled disdrometer dataset was provided by Dr. Ali Tokay of NASA TRMM office.  ... 
doi:10.1175/jas3592.1 fatcat:cxtynyo2lvailpyfeatzdnpa4e

Recent observations of clouds and precipitation by the airborne precipitation radar 2ndgeneration in support of the GPM and ACE missions

Stephen L. Durden, Simone Tanelli, Eastwood Im, Tadahiro Hayasaka, Kenji Nakamura, Eastwood Im
2012 Remote Sensing of the Atmosphere, Clouds, and Precipitation IV  
The Ku-/Ka-band, Doppler, scanning, polarimetric airborne radar, known as the Airborne Dual-Frequency Precipitation Radar (APR-2) has been collecting data since 2001 in support of many spaceborne instruments  ...  DPR (Global Precipitation Measurement mission, Dual-Frequency Precipitation Radar) and a notional radar for the Aerosol/Clouds/Ecosystem (ACE) mission.  ...  ACKNOWLEDGEMENTS The research described in this paper was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration  ... 
doi:10.1117/12.977574 fatcat:fpw7apbvvbdqvnejwcknr4z6hq

Drop Size Ambiguities in the Retrieval of Precipitation Profiles from Dual-Frequency Radar Measurements

Ziad S. Haddad, Jonathan P. Meagher, Stephen L. Durden, Eric A. Smith, Eastwood Im
2006 Journal of the Atmospheric Sciences  
Humberto during the CAMEX-4 experiment.  ...  observed during 1.  ... 
doi:10.1175/jas3589.1 fatcat:idcfk2s44bf5tprd45bnzs66ea

Aircraft Observations of Tropical Cyclones [chapter]

Sim D. Aberson, Joseph Cione, Chun-Chieh Wu, Michael M. Bell, Jeffrey Halverson, Chris Fogarty, Martin Weissmann
2010 World Scientific Series on Asia-Pacific Weather and Climate  
The following is a description of those aircraft, their instrumentation, and the field programs with which they have been involved.  ...  Nine different types of aircraft are currently in use to observe tropical cyclones and their environments for operations and research.  ...  A series of nadir-viewing Doppler radars (Airborne Mapping Radar [Durden et al., 2003] ; Precipitation Radar [Im et al., 2002] and the Dual-Frequency Airborne Precipitation Radar [APR-2]) provide fine-scale  ... 
doi:10.1142/9789814293488_0008 fatcat:vhknwbvo25emrhoxyjswkbvmo4

THIRTY YEARS OF TROPICAL CYCLONE RESEARCH WITH THE NOAA P-3 AIRCRAFT

Sim D. Aberson, Michael L. Black, Robert A. Black, Robert W. Burpee, Joseph J. Cione, Christopher W. Landsea, Frank D. Marks
2006 Bulletin of The American Meteorological Society - (BAMS)  
The frequency of cellular convective precipitation decreased, and stratiform precipitation increased, along the rainband toward where it spiraled toward the eyewall.  ...  TABLE 1 . 1 List of TCs investigated by, and number of missions of, each NOAA P-3 (42 and 43) during the first 30 years of dual-aircraft operations.  ... 
doi:10.1175/bams-87-8-1039 fatcat:4apjqnrba5djpeqtosxpyrsfey

NASA's Genesis and Rapid Intensification Processes (GRIP) Field Experiment

Scott A. Braun, Ramesh Kakar, Edward Zipser, Gerald Heymsfield, Cerese Albers, Shannon Brown, Stephen L. Durden, Stephen Guimond, Jeffery Halverson, Andrew Heymsfield, Syed Ismail, Bjorn Lambrigtsen (+4 others)
2013 Bulletin of The American Meteorological Society - (BAMS)  
The GRIP campaign owes its success to the hard work of many individuals who served as mission scientists during the campaign, including John Molinari, Elizabeth Ritchie, Robert Houze Jr., Greg McFarquhar  ...  A portion of this research (Brown, Durden, Lambrigtsen, and Tanelli) was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics  ...  Another older but improved instrument used during GRIP was the second-generation Airborne Precipitation Radar (APR-2; see Sadowy et al. 2003) .  ... 
doi:10.1175/bams-d-11-00232.1 fatcat:sqbftloya5hdfpq46j4xjo5evq

The EDOP Radar System on the High-Altitude NASA ER-2 Aircraft

Gerald M. Heymsfield, Steven W. Bidwell, I. Jeff Caylor, Syed Ameen, Shaun Nicholson, Wayne Boncyk, Lee Miller, Doug Vandemark, Paul E. Racette, Louis R. Dod
1996 Journal of Atmospheric and Oceanic Technology  
A new Doppler weather radar system at X band (9.6 GHz) called the ER-2 Doppler radar (EDOP) has been developed and flown on the ER-2 aircraft.  ...  The combined remote sensing package on the ER-2, along with EDOP, provides a unique platform for simulating spaceborne remote sensing of precipitation.  ...  Efforts on the EDOP data system by the Goddard Microelectronics Branch are acknowledged.  ... 
doi:10.1175/1520-0426(1996)013<0795:tersot>2.0.co;2 fatcat:cb77wjvwljamvom7c6k4in6k6i

Validation of Rain-Rate Estimation in Hurricanes from the Stepped Frequency Microwave Radiometer: Algorithm Correction and Error Analysis

Haiyan Jiang, Peter G. Black, Edward J. Zipser, Frank D. Marks, Eric W. Uhlhorn
2006 Journal of the Atmospheric Sciences  
Simultaneous observations by the lower fuselage (LF) radar, the tail (TA) radar, and the Stepped Frequency Microwave Radiometer (SFMR) on board the NOAA WP-3D aircraft are used to validate the rainfall  ...  But an overall high bias of 5 mm h Ϫ1 of the SFMR rainfall estimate relative to radar is also found.  ...  Leighton who processed LF and TA radar data being used in this study. Funding has been provided by NASA CAMEX-4 Grant NAG5-10682.  ... 
doi:10.1175/jas3605.1 fatcat:ywhicdmkwffm3asyrgqmh73rca

Hurricane Georges's Landfall in the Dominican Republic: Detailed Airborne Doppler Radar Imagery

Bart Geerts, Gerald M. Heymsfield, Lin Tian, Jeffrey B. Halverson, Anthony Guillory, Mercedes I. Mejia
2000 Bulletin of The American Meteorological Society - (BAMS)  
It is likely that surface rain rates increased during landfall, both in the convective and in the more widespread stratiform rainfall areas over the island.  ...  Of particular interest are the ER-2 nadir X-band Doppler radar data, which provide a first-time, high-resolution view of the precipitation and airflow changes as a hurricane interacts with mountainous  ...  The rain gauge data and Santo Domingo radar images were provided by the Oficina Nacional de Meteorologia de la Republica Dominicana. MIR data and their interpretation were provided by James Wang.  ... 
doi:10.1175/1520-0477(2000)081<0999:hglitd>2.3.co;2 fatcat:kl7nsl7gwncqnbziouhks7p7ei

Evaluation of Radar Multiple-Scattering Effects from a GPM Perspective. Part II: Model Results

A. Battaglia, M. O. Ajewole, C. Simmer
2006 Journal of Applied Meteorology and Climatology  
Multiple-scattering effects as sensed by radars in configurations useful in the context of the Global Precipitation Mission (GPM) are evaluated for a range of meteorological profiles extracted from four  ...  This result should allow the observation of these features in field campaigns.  ...  Tao, and all of his colleagues at NASA GSFC for making the cloudresolving-model simulations available. The suggestions and comments by the anonymous reviewers are gratefully acknowledged.  ... 
doi:10.1175/jam2425.1 fatcat:4lxzjmbu55hghhk244t67bazoi

TRMM Precipitation Radar Reflectivity Profiles as Compared with High-Resolution Airborne and Ground-Based Radar Measurements

G. M. Heymsfield, B. Geerts, L. Tian
2000 Journal of applied meteorology (1988)  
Orbital Tropical Rainfall Measuring Mission (TRMM) precipitation radar (PR) products are evaluated by simultaneous comparisons with high-resolution data from the high-altitude ER-2 Doppler radar (EDOP)  ...  Convective rainfall is marked by high-horizontal reflectivity gradients; therefore its reflectivity distribution is spread out because of the PR antenna illumination pattern and by nonuniform beamfilling  ...  Comparisons are made between the PR, EDOP, and ground-based radars for six TRMM overpasses during TEFLUN-A and -B, CAMEX-3, and TRMM LBA.  ... 
doi:10.1175/1520-0450(2001)040<2080:tprrpa>2.0.co;2 fatcat:a6asbpjxz5eqrhmemcmnym3mgi

Ice Microphysics Observations in Hurricane Humberto: Comparison with Non-Hurricane-Generated Ice Cloud Layers

Andrew J. Heymsfield, Aaron Bansemer, Stephen L. Durden, Robert L. Herman, T. Paul Bui
2006 Journal of the Atmospheric Sciences  
KAMP involved flights by the DC-8 into isolated convection over the Florida Keys during CAMEX-4.  ...  during CAMEX-3, CAMEX-4, and in Keys Area Microphysics Project (KAMP) in Table 1.  ... 
doi:10.1175/jas3603.1 fatcat:czdei6dcovddzinv5qzhd5i7iu
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