65th IHC Booklet/Program (pdf - 4.9MB) - Office of the Federal ...

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Controlling Factors of the Radius of Maximum Winds in HWRF Jian-Wen Bao, Sara A. Michelson, Sundararaman G. Gopalakrishnan (Jian-Wen.Bao@noaa.gov) NOAA/ESRL and NOAA/AMOL This presentation highlights major results from a series of numerical experiments with NOAA’s Hurricane WRF (HWRF) model. The purpose of the experiments is to investigate the sensitivity of the radius of maximum winds of an idealized tropical storm to the model’s internal controlling factors (such as the size of the initial vortex, cloud physics and vertical diffusion) and external conditions (such as the latitude-dependent Coriolis parameter). The model is initialized with a weak axisymmetric vortex disturbance in an idealized tropical environment that is favorable for the vortex disturbance to develop into a hurricane. The initial mass and wind fields associated with the weak vortex disturbance are obtained by solving the nonlinear balance equation for the given wind distributions of the initial vortex, and the prescribed background thermal sounding and winds. Results from the idealized HWRF sensitivity runs are compared in terms of the radius of maximum winds along with the azimuthally averaged storm structure and the surface wind-pressure relationships, to gain an insight into how to improve the model. Session 7 – Page 6
Tropical Cyclone Inner-core Diagnostics Robert Rogers 1 , Paul Reasor 1 , S. Lorsolo 2 , and J. Zhang 2 (Robert.Rogers@noaa.gov) 1 NOAA/AOML Hurricane Research Division, Miami, FL 2 CIMAS, University of Miami, Miami, FL Much work has gone toward evaluating the performance of numerical models using “traditional” metrics, e.g., position and intensity errors. As operational horizontal grid lengths approach 3 km (and eventually reach 1 km), the ability to represent many features within the inner core of tropical cyclones (TCs) increases. Robust evaluations of TC inner-core structure are therefore crucial to assess the realism of numerical simulations. A wealth of TC inner-core data collected and archived at the NOAA Hurricane Research Division (HRD) over many years provides an excellent opportunity for evaluating high-resolution numerical models. In this talk composites from observations (airborne Doppler and dropsondes) and simulations of multiple storms will be compared. These composites are key to providing statistically robust measures and evaluations of numerical models. The focus here is on several scales within the TC inner core – symmetric and asymmetric vortex-scale properties, convectivescale statistics, and boundary-layer structure. Session 7 – Page 7
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65th Interdepartmental Hurricane Co
Page 5 and 6:
The 2010 Atlantic Hurricane Season:
Page 7 and 8:
2010 Atlantic and Eastern North Pac
Page 9 and 10: A Review of the Joint Typhoon Warni
Page 11: NOAA Aircraft Operations Center (AO
Page 15 and 16: Microwave sounder observations duri
Page 17 and 18: The 2010 GOES-R Proving Ground at t
Page 19 and 20: Developments in 2010 in in-flight r
Page 21: Surface-Reflected GPS Wind Speed Se
Page 25 and 26: Real-Time Airborne Ocean Measuremen
Page 27 and 28: WISDOM Intensity Program - Weather
Page 29 and 30: A Two-Dimensional Velocity Dealiasi
Page 31: Establishing an Improved National C
Page 35 and 36: Advancements to the Operational HWR
Page 37 and 38: 2011 operational HWRF model upgrade
Page 39 and 40: An Overview of COAMPS-TC Developmen
Page 41: Evaluation and Improvement of Ocean
Page 45 and 46: Prediction of Consensus TC Track Fo
Page 47 and 48: Large ensemble tropical cyclone int
Page 49 and 50: Evaluation and Development of Ensem
Page 51: Ensemble-based prediction and diagn
Page 55 and 56: Technology Transfer in Tropical Cyc
Page 57 and 58: Hurricane Intensity and Structure R
Page 59: Evaluation and Improvements of Clou
Page 63: S E S Session 9 ITOP/TCS-10: Couple
Page 66 and 67: Multi-scale Observations of Cloud C
Page 68 and 69: Pre-Genesis Monitoring of the 3-D A
Page 70 and 71: Ocean observations in developing an
Page 72 and 73: Multi-Model Coupled Air-Sea Forecas
Page 75 and 76: Hurricane and Severe Storm Sentinel
Page 77 and 78: 2011 Plans for NOAA’s Intensity F
Page 79 and 80: Airborne Surface Water and Ocean To
Page 81 and 82: In this study we go further and per
Page 83: Intraseasonal to Seasonal Predictio
Page 87 and 88: International Best Track Archive fo
Page 89 and 90: Improvements to Statistical Intensi
Page 91 and 92: Improving SHIPS Rapid Intensificati
Page 93: S E S Session 12 Joint Hurricane Te
Page 96 and 97: Enhancements to the SHIPS Rapid Int
Page 98 and 99: Advanced Applications of Monte Carl
Page 100 and 101: ATCF Requirements, Intensity Consen
Page 102 and 103: Tools for Coordinating Aircraft Dur
Page 105 and 106: Real-time radar processing in the 2
Page 107 and 108: Improved Hurricane-force Surface Wi
Page 109 and 110: Wide Swath Radar Altimeter (WSRA) W
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Direct Interpretation of COSMIC Ref
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Coupled Air-Sea Observations in Tro
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Assimilating COSMIC GPS RO data for
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Developing an Atlantic Ocean initia
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Improving Ocean Model Performance i
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HWRF Model Diagnostic Improvements
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A highly configurable vortex initia
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An Update on the Status of FNMOC Pr
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Diagnosing initial condition sensit
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Objective Diagnosis of the Eyewall
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Quantitative Comparison of Precipit
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Vertical Wind Shear Impacts on Hurr
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Hurricanes: Science and Society - a
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SATellite Intensity CONsensus (SATC
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What might a global TC reanalysis p
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65th IHC Booklet/Program (pdf - 4.9MB) - Office of the Federal ...

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