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5 Results Found

  • Article
  • Open Access
1 Citations
1,358 Views
29 Pages

14 January 2026

This study demonstrates the positive impact of scatterometer wind-based bogus vortex initialization on forecasts of Typhoon Doksuri (2023). In this scheme, the NCEP analysis vortex in the initial conditions is replaced with a bogus vortex. A regressi...

  • Article
  • Open Access
34 Citations
7,537 Views
25 Pages

Vortex Initialization in the NCEP Operational Hurricane Models

  • Qingfu Liu,
  • Xuejin Zhang,
  • Mingjing Tong,
  • Zhan Zhang and ,
  • Bin Liu,
  • Weiguo Wang,
  • Lin Zhu,
  • Banglin Zhang,
  • Xiaolin Xu and
  • Vijay Tallapragada
  • + 8 authors+ 3 authors

10 September 2020

This paper describes the vortex initialization (VI) currently used in NCEP operational hurricane models (HWRF and HMON, and possibly HAFS in the future). The VI corrects the background fields for hurricane models: it consists of vortex relocation, an...

(This article belongs to the Special Issue Modeling and Data Assimilation for Tropical Cyclone Forecasts)
  • Article
  • Open Access
2 Citations
2,430 Views
23 Pages

The aim of this study is to joint assimilate the ozone product from the satellite Atmospheric Infrared Sounder (AIRS) and bogus data using the four-dimensional ensemble-variational (4DEnVar) method, and demonstrate the potential benefits of this init...

(This article belongs to the Special Issue Data Assimilation for Predicting Hurricane, Typhoon and Storm)
  • Article
  • Open Access
8 Citations
2,784 Views
42 Pages

6 November 2020

This study utilizes an extremely high spatial resolution GOES-16 atmospheric motion vector (AMV) dataset processed at 15 min intervals in a modified version of our original dynamic initialization technique to analyze and forecast a rapid intensificat...

(This article belongs to the Special Issue Modeling and Data Assimilation for Tropical Cyclone Forecasts)
  • Article
  • Open Access
16 Citations
4,721 Views
24 Pages

21 July 2022

Brightness temperature (TB) observations at an infrared channel (10.3 μm) of the Advanced Baseline Imager (ABI) on board the U. S. 16th Geostationary Operational Environmental Satellite (GOES-16) are used for determining tropical cyclone (TC) cent...

(This article belongs to the Topic A Themed Issue in Memory of Academician Duzheng Ye (1916–2013))