10: Meteorological Studies With the Phased Array Weather Radar and Data Assimilation Using the Ensemble Kalman Filter
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Meteorological Studies with the Phased Array Weather Radar and Data Assimilation Using the Ensemble Kalman Filter
This project leverages on the new PAR in Norman, Oklahoma to exploit phased array technology and its applications to improve NWP through EnKF data assimilation with the goal of improving environmental characterization and forecast to optimize naval operation. This project will further enhance the existing collaboration among ONR, National Serve Storms Laboratory (NSSL), and the University of Ok...
متن کاملP2.17 Impact of Spatial Over-sampling by Phase-Array Radar on Convective-Storm Analysis using Ensemble Kalman Filter and Simulated Data
1The phased-array radar (PAR) of the National Weather Radar Testbed (NWRT) in Norman, Oklahoma represents a paradigm shift for weather radar observations. Through beam multiplexing (Yu et al. 2007), increased measurement accuracy can be achieved without increasing volume scan time. Alternatively, at the same measurement accuracy, more independent samples can be collected within a given time, al...
متن کاملP7.1 Study on the Optimal Scanning Strategies of Phase-array Radar through Ensemble Kalman Filter Assimilation of Simulated Data
1 The phased-array radar (PAR) of the National Weather Radar Testbed (NWRT) in Norman, Oklahoma represents a paradigm shift for weather radar observations. The PAR with abilities such as a higher data update rate through beam multiplexing (Yu et al. 2007) offers not only an opportunity but also a challenge for meteorologists to exploit its potentials for helping us improve convective storm anal...
متن کامل4a.3 Studies of Phased-array Scan Strategies for Radar Data Assimilation
1. INTRODUCTION * Sponsored by multi-government agencies and especially by the US Navy, a phased-array weather radar has been constructed at NSSL Norman Oklahoma. This establishes the first National Weather Radar Testbed (NWRT) equipped with the solid-state phased-array antenna (Forsyth et al. 2005). One of the important and yet very challenging research goals at NWRT is to optimally design and...
متن کاملEnhanced Predictions of Tides and Surges through Data Assimilation (TECHNICAL NOTE)
The regional waters in Singapore Strait are characterized by complex hydrodynamic phenomena as a result of the combined effect of three large water bodies viz. the South China Sea, the Andaman Sea, and the Java Sea. This leads to anomalies in water levels and generates residual currents. Numerical hydrodynamic models are generally used for predicting water levels in the ocean and seas. But thei...
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تاریخ انتشار 2010