Assimilation of GPS refractivity from FORMOSAT-3/COSMIC using a nonlocal operator with WRF 3DVAR and its impact on the prediction of a typhoon event

Keyphrases

• FORMOSAT-3 100%
• Refractivity 100%
• WRF-3DVAR 100%
• Nonlocal Operators 100%
• Typhoon Event 100%
• Local Operator 100%
• GPS Radio Occultation 60%
• Observation Operator 50%
• Nonlocal Observation 40%
• Landfall 20%
• Computational Efficiency 20%
• WRF Model 20%
• Tangent Point 20%
• Horizontal Inhomogeneity 20%
• Observation Error 20%
• Taiwan 10%
• Horizontal Distribution 10%
• Ray Path 10%
• Typhoon 10%
• Radio Occultation Measurements 10%
• Radio Occultation 10%
• Radio Occultation Observation 10%
• Mean Height 10%
• Perigee 10%
• Vertical Distribution 10%
• Accurately Model 10%
• Typhoon Track 10%
• Rainfall Prediction 10%
• Local Observations 10%
• Long Integration 10%
• Analysis Increments 10%
• Torrential Rainfall 10%
• Local Points 10%

Engineering

• Global Positioning System 100%
• Refractivity 100%
• Computational Efficiency 28%
• Observables 14%
• Ray Path 14%
• Local Model 14%