Works by Mehra, Avichal

Results: 36

Editorial: Impact of oceans on extreme weather events (tropical cyclones).

Published in:

Frontiers in Marine Science, 2024, p. 01, doi. 10.3389/fmars.2024.1428063

By:

Mehra, Avichal;
Staneva, Joanna;
Hyun-SookKim;
Joseph, Sudheer;
Glenn, Scott

Publication type:

Article

A Statistical Analysis of High-Frequency Track and Intensity Forecasts from NOAA's Operational Hurricane Weather Research and Forecasting (HWRF) Modeling System.

Published in:

Monthly Weather Review, 2021, v. 149, n. 10, p. 3325, doi. 10.1175/MWR-D-21-0021.1

By:

Zhang, Zhan;
Zhang, Jun A.;
Alaka Jr., Ghassan J.;
Wu, Keqin;
Mehra, Avichal;
Tallapragada, Vijay

Publication type:

Article

Impacts of Assimilating High-Resolution Atmospheric Motion Vectors Derived from Himawari-8 on Tropical Cyclone Forecast in HWRF.

Published in:

Monthly Weather Review, 2019, v. 147, n. 10, p. 3721, doi. 10.1175/MWR-D-18-0261.1

By:

Sawada, Masahiro;
Ma, Zaizhong;
Mehra, Avichal;
Tallapragada, Vijay;
Oyama, Ryo;
Shimoji, Kazuki

Publication type:

Article

Improved forecast of 2015/16 El Niño event in an experimental coupled seasonal ensemble forecasting system.

Published in:

Climate Dynamics, 2023, v. 61, n. 7/8, p. 3653, doi. 10.1007/s00382-023-06746-2

By:

Ray, Sulagna;
Stefanova, Lydia;
Fu, Bing;
Guan, Hong;
Wang, Jiande;
Meixner, Jessica;
Mehra, Avichal;
Zhu, Yuejian

Publication type:

Article

Neural Networks Technique for Filling Gaps in Satellite Measurements: Application to Ocean Color Observations.

Published in:

Computational Intelligence & Neuroscience, 2015, v. 2015, p. 1, doi. 10.1155/2016/6156513

By:

Krasnopolsky, Vladimir;
Nadiga, Sudhir;
Mehra, Avichal;
Bayler, Eric;
Behringer, David

Publication type:

Article

Role of eyewall and rainband eddy forcing in tropical cyclone intensification.

Published in:

Atmospheric Chemistry & Physics, 2019, v. 19, n. 22, p. 14289, doi. 10.5194/acp-19-14289-2019

By:

Zhu, Ping;
Tyner, Bryce;
Zhang, Jun A.;
Aligo, Eric;
Gopalakrishnan, Sundararaman;
Marks, Frank D.;
Mehra, Avichal;
Tallapragada, Vijay

Publication type:

Article

The Implementation of Cloud and Vertical Velocity Relocation/Cycling System in the Vortex Initialization of the HAFS.

Published in:

Atmosphere, 2024, v. 15, n. 8, p. 1006, doi. 10.3390/atmos15081006

By:

Shin, JungHoon;
Zhang, Zhan;
Liu, Bin;
Weng, Yonghui;
Liu, Qingfu;
Mehra, Avichal;
Tallapragada, Vijay

Publication type:

Article

Vortex Initialization in the NCEP Operational Hurricane Models.

Published in:

Atmosphere, 2020, v. 11, n. 9, p. 968, doi. 10.3390/atmos11090968

By:

Liu, Qingfu;
Zhang, Xuejin;
Tong, Mingjing;
Zhang, Zhan;
Liu, Bin;
Wang, Weiguo;
Zhu, Lin;
Zhang, Banglin;
Xu, Xiaolin;
Trahan, Samuel;
Bernardet, Ligia;
Mehra, Avichal;
Tallapragada, Vijay

Publication type:

Article

Investigating the Impact of High-Resolution Land–Sea Masks on Hurricane Forecasts in HWRF.

Published in:

Atmosphere, 2020, v. 11, n. 9, p. 888, doi. 10.3390/atmos11090888

By:

Ma, Zaizhong;
Liu, Bin;
Mehra, Avichal;
Abdolali, Ali;
van der Westhuysen, Andre;
Moghimi, Saeed;
Vinogradov, Sergey;
Zhang, Zhan;
Zhu, Lin;
Wu, Keqin;
Shrestha, Roshan;
Kumar, Anil;
Tallapragada, Vijay;
Kurkowski, Nicole

Publication type:

Article

A Hydrodynamical Atmosphere/Ocean Coupled Modeling System for Multiple Tropical Cyclones.

Published in:

Atmosphere, 2020, v. 11, n. 8, p. 869, doi. 10.3390/atmos11080869

By:

Alaka, Ghassan J.;
Sheinin, Dmitry;
Thomas, Biju;
Gramer, Lew;
Zhang, Zhan;
Liu, Bin;
Kim, Hyun-Sook;
Mehra, Avichal

Publication type:

Article

The Impact of Stochastic Physics-Based Hybrid GSI/EnKF Data Assimilation on Hurricane Forecasts Using EMC Operational Hurricane Modeling System.

Published in:

Atmosphere, 2020, v. 11, n. 8, p. 801, doi. 10.3390/atmos11080801

By:

Zhang, Zhan;
Tong, Mingjing;
Sippel, Jason A.;
Mehra, Avichal;
Zhang, Banglin;
Wu, Keqin;
Liu, Bin;
Dong, Jili;
Ma, Zaizhong;
Winterbottom, Henry;
Wang, Weiguo;
Zhu, Lin;
Liu, Qingfu;
Kim, Hyun-Sook;
Thomas, Biju;
Sheinin, Dmitry;
Bi, Li;
Tallapragada, Vijay

Publication type:

Article

The Evaluation of Real-Time Hurricane Analysis and Forecast System (HAFS) Stand-Alone Regional (SAR) Model Performance for the 2019 Atlantic Hurricane Season.

Published in:

Atmosphere, 2020, v. 11, n. 6, p. 617, doi. 10.3390/atmos11060617

By:

Dong, Jili;
Liu, Bin;
Zhang, Zhan;
Wang, Weiguo;
Mehra, Avichal;
Hazelton, Andrew T.;
Winterbottom, Henry R.;
Zhu, Lin;
Wu, Keqin;
Zhang, Chunxi;
Tallapragada, Vijay;
Zhang, Xuejin;
Gopalakrishnan, Sundararaman;
Marks, Frank

Publication type:

Article

Assimilation of Himawari-8 Rapid-Scan Atmospheric Motion Vectors on Tropical Cyclone in HWRF System.

Published in:

Atmosphere, 2020, v. 11, n. 6, p. 601, doi. 10.3390/atmos11060601

By:

Sawada, Masahiro;
Ma, Zaizhong;
Mehra, Avichal;
Tallapragada, Vijay;
Oyama, Ryo;
Shimoji, Kazuki

Publication type:

Article

The Impact of Tropical Pacific SST Biases on the S2S Forecast Skill over North America in the UFS Global Coupled Model.

Published in:

Journal of Climate, 2023, v. 36, n. 8, p. 2439, doi. 10.1175/JCLI-D-22-0196.1

By:

Stan, Cristiana;
Krishnamurthy, V.;
Bai, Hedanqiu;
Li, Bin;
Mehra, Avichal;
Meixner, Jessica;
Moorthi, Shrinivas;
Stefanova, Lydia;
Wang, Jiande;
Wang, Jun;
Worthen, Denise;
Yang, Fanglin

Publication type:

Article

Roles of TAO/TRITON and Argo in Tropical Pacific Observing Systems: An OSSE Study for Multiple Time Scale Variability.

Published in:

Journal of Climate, 2021, v. 34, n. 16, p. 6797, doi. 10.1175/JCLI-D-20-0951.1

By:

Zhu, Jieshun;
Vernieres, Guillaume;
Sluka, Travis;
Flampouris, Stylianos;
Kumar, Arun;
Mehra, Avichal;
Cronin, Meghan F.;
Zhang, Dongxiao;
Wills, Samantha;
Wang, Jiande;
Wang, Wanqiu

Publication type:

Article

Mediterranean Overflow Water (MOW) simulation using a coupled multiple-grid Mediterranean Sea/North Atlantic Ocean model.

Published in:

Journal of Geophysical Research. Oceans, 2008, v. 113, n. C7, p. n/a, doi. 10.1029/2006JC003914

By:

Dietrich, David E.;
Tseng, Yu-Heng;
Medina, Raul;
Piacsek, Steve A.;
Liste, Maria;
Olabarrieta, Maitane;
Bowman, Malcolm J.;
Mehra, Avichal

Publication type:

Article

HAFS ensemble forecast in AWS cloud.

Published in:

Frontiers in Earth Science, 2024, p. 01, doi. 10.3389/feart.2024.1396612

By:

Jiayi Peng;
Zhan Zhang;
Weiguo Wang;
Rajendra Panda;
Bin Liu;
Yonghui Weng;
Avichal Mehra;
Tallapragada, Vijay;
Xuejin Zhang;
Sundararaman Gopalakrishnan;
Komaromi, William;
Anderson, Jason;
Poyer, Aaron;
Srinivas Desamsetti;
Feifei Shen

Publication type:

Article

Ocean component of the first operational version of Hurricane Analysis and Forecast System: Evaluation of HYbrid Coordinate Ocean Model and hurricane feedback forecasts.

Published in:

Frontiers in Earth Science, 2024, p. 1, doi. 10.3389/feart.2024.1399409

By:

Kim, Hyun-Sook;
Liu, Bin;
Thomas, Biju;
Rosen, Daniel;
Wang, Weiguo;
Hazelton, Andrew;
Zhang, Zhan;
Zhang, Xueijin;
Mehra, Avichal;
He, Hailun;
Xu, Hang;
Wu, Lifeng

Publication type:

Article

Lifetime Performance of the Operational Hurricane Weather Research and Forecasting Model (HWRF) for North Atlantic Tropical Cyclones.

Published in:

Bulletin of the American Meteorological Society, 2024, v. 105, n. 6, p. E932, doi. 10.1175/BAMS-D-23-0139.1

By:

Alaka Jr., Ghassan J.;
Sippel, Jason A.;
Zhang, Zhan;
Kim, Hyun-Sook;
Marks, Frank D.;
Tallapragada, Vijay;
Mehra, Avichal;
Zhang, Xuejin;
Poyer, Aaron;
Gopalakrishnan, Sundararaman G.

Publication type:

Article

A Real Time Ocean Forecast System for the North Atlantic Ocean.

Published in:

Terrestrial, Atmospheric & Oceanic Sciences, 2010, v. 21, n. 1, p. 211, doi. 10.3319/TAO.2009.04.16.01(IWNOP)

By:

Mehra, Avichal;
Rivin, Ilya

Publication type:

Article

Role of eyewall and rainband eddy forcing in tropical cyclone intensification.

Published in:

Atmospheric Chemistry & Physics Discussions, 2018, p. 1, doi. 10.5194/acp-2018-610

By:

Ping Zhu;
Tyner, Bryce;
Zhang, Jun A.;
Aligo, Eric;
Gopalakrishnan, Sundararaman;
Marks, Frank D.;
Mehra, Avichal;
Tallapragada, Vijay

Publication type:

Article

Development of an ESMF Based Flexible Coupling Application of ADCIRC and WAVEWATCH III for High Fidelity Coastal Inundation Studies.

Published in:

Journal of Marine Science & Engineering, 2020, v. 8, n. 5, p. 308, doi. 10.3390/jmse8050308

By:

Moghimi, Saeed;
Van der Westhuysen, Andre;
Abdolali, Ali;
Myers, Edward;
Vinogradov, Sergey;
Ma, Zaizhong;
Liu, Fei;
Mehra, Avichal;
Kurkowski, Nicole

Publication type:

Article

Development and Validation of NOAA's 20-Year Global Wave Ensemble Reforecast.

Published in:

Weather & Forecasting, 2024, v. 39, n. 11, p. 1651, doi. 10.1175/WAF-D-24-0043.1

By:

Campos, Ricardo M.;
Abdolali, Ali;
Alves, Jose-Henrique;
Masarik, Matthew;
Meixner, Jessica;
Mehra, Avichal;
Figurskey, Darin;
Banihashemi, Saeideh;
Sienkiewicz, Joseph;
Lumpkin, Rick

Publication type:

Article

Improving the Intensity Forecast of Tropical Cyclones in the Hurricane Analysis and Forecast System.

Published in:

Weather & Forecasting, 2023, v. 38, n. 10, p. 2057, doi. 10.1175/WAF-D-23-0041.1

By:

Wang, Weiguo;
Han, Jongil;
Yang, Fanglin;
Steffen, John;
Liu, Bin;
Zhang, Zhan;
Mehra, Avichal;
Tallapragada, Vijay

Publication type:

Article

Impact of Assimilating Satellite and Glider Observations on Hurricane Isaias (2020) Forecast Using Marine JEDI.

Published in:

Weather & Forecasting, 2023, v. 38, n. 9, p. 1807, doi. 10.1175/WAF-D-22-0014.1

By:

Liu, Ling;
Mehra, Avichal;
Kleist, Daryl;
Vernieres, Guillaume;
Sluka, Travis;
Bhargava, Kriti;
Stegmann, Patrick;
Kim, Hyun-Sook;
Paturi, Shastri;
Xu, Jiangtao;
Rivin, Ilya

Publication type:

Article

The Impact of Tropical SST Biases on the S2S Precipitation Forecast Skill over the Contiguous United States in the UFS Global Coupled Model.

Published in:

Weather & Forecasting, 2023, v. 38, n. 6, p. 937, doi. 10.1175/WAF-D-22-0162.1

By:

BAI, HEDANQIU;
BIN LI;
MEHRA, AVICHAL;
MEIXNER, JESSICA;
MOORTHI, SHRINIVAS;
RAY, SULAGNA;
STEFANOVA, LYDIA;
JIANDE WANG;
JUN WANG;
WORTHEN, DENISE;
FANGLIN YANG;
STAN, CRISTIANA

Publication type:

Article

A Forecast Cycle–Based Evaluation for Tropical Cyclone Rapid Intensification Forecasts by the Operational HWRF Model.

Published in:

Weather & Forecasting, 2023, v. 38, n. 1, p. 125, doi. 10.1175/WAF-D-22-0007.1

By:

Wang, Weiguo;
Zhu, Lin;
Liu, Bin;
Zhang, Zhan;
Mehra, Avichal;
Tallapragada, Vijay

Publication type:

Article

Skill Assessment of NCEP Three-Way Coupled HWRF-HYCOM-WW3 Modeling System: Hurricane Laura Case Study.

Published in:

Weather & Forecasting, 2022, v. 37, n. 8, p. 1309, doi. 10.1175/WAF-D-21-0191.1

By:

HYUN-SOOK KIM;
MEIXNER, JESSICA;
THOMAS, BIJU;
REICHL, BRANDON G.;
BIN LIU;
MEHRA, AVICHAL;
WALLCRAFT, ALAN

Publication type:

Article

Performance of 2020 Real-Time Atlantic Hurricane Forecasts from High-Resolution Global-Nested Hurricane Models: HAFS-globalnest and GFDL T-SHiELD.

Published in:

Weather & Forecasting, 2022, v. 37, n. 1, p. 143, doi. 10.1175/WAF-D-21-0102.1

By:

Hazelton, Andrew;
Gao, Kun;
Bender, Morris;
Cowan, Levi;
Alaka Jr., Ghassan J.;
Kaltenbaugh, Alex;
Gramer, Lew;
Zhang, Xuejin;
Harris, Lucas;
Marchok, Timothy;
Morin, Matt;
Mehra, Avichal;
Zhang, Zhan;
Liu, Bin;
Marks, Frank

Publication type:

Article

A New Horizontal Mixing-Length Formulation for Numerical Simulations of Tropical Cyclones.

Published in:

Weather & Forecasting, 2021, v. 36, n. 2, p. 679, doi. 10.1175/WAF-D-20-0134.1

By:

WEIGUO WANG;
BIN LIU;
LIN ZHU;
ZHAN ZHANG;
MEHRA, AVICHAL;
TALLAPRAGADA, VIJAY

Publication type:

Article

2019 Atlantic Hurricane Forecasts from the Global-Nested Hurricane Analysis and Forecast System: Composite Statistics and Key Events.

Published in:

Weather & Forecasting, 2021, v. 36, n. 2, p. 519, doi. 10.1175/WAF-D-20-0044.1

By:

HAZELTON, ANDREW;
ZHAN ZHANG;
BIN LIU;
JILI DONG;
ALAKA, GHASSAN;
WANG, WEIGUO;
MARCHOK, TIM;
MEHRA, AVICHAL;
GOPALAKRISHNAN, SUNDARARAMAN;
XUEJIN ZHANG;
BENDER, MORRIS;
TALLAPRAGADA, VIJAY;
MARKS, FRANK

Publication type:

Article

Modeling of <sup>137</sup>Cs as a Tracer in a Regional Model for the Western Pacific, after the Fukushima-Daiichi Nuclear Power Plant Accident of March 2011.

Published in:

Weather & Forecasting, 2016, v. 31, n. 2, p. 553, doi. 10.1175/WAF-D-13-00101.1

By:

Garraffo, Zulema D.;
Kim, Hae-Cheol;
Mehra, Avichal;
Spindler, Todd;
Rivin, Ilya;
Tolman, Hendrik L.

Publication type:

Article

Optimizing the Assimilation of the GOES-16/-17 Atmospheric Motion Vectors in the Hurricane Weather Forecasting (HWRF) Model.

Published in:

Remote Sensing, 2022, v. 14, n. 13, p. 3068, doi. 10.3390/rs14133068

By:

Lim, Agnes H. N.;
Nebuda, Sharon E.;
Jung, James A.;
Daniels, Jaime M.;
Bailey, Andrew;
Bresky, Wayne;
Bi, Li;
Mehra, Avichal

Publication type:

Article

Impacts of Assimilating CYGNSS Satellite Ocean-Surface Wind on Prediction of Landfalling Hurricanes with the HWRF Model.

Published in:

Remote Sensing, 2022, v. 14, n. 9, p. 2118, doi. 10.3390/rs14092118

By:

Pu, Zhaoxia;
Wang, Ying;
Li, Xin;
Ruf, Christopher;
Bi, Li;
Mehra, Avichal

Publication type:

Article

Evaluating the accuracy and uncertainty of atmospheric and wave model hindcasts during severe events using model ensembles.

Published in:

Ocean Dynamics, 2021, v. 71, n. 2, p. 217, doi. 10.1007/s10236-020-01426-9

By:

Abdolali, Ali;
van der Westhuysen, Andre;
Ma, Zaizhong;
Mehra, Avichal;
Roland, Aron;
Moghimi, Saeed

Publication type:

Article

Adjusting Neural Network to a Particular Problem: Neural Network-Based Empirical Biological Model for Chlorophyll Concentration in the Upper Ocean.

Published in:

Applied Computational Intelligence & Soft Computing, 2018, p. 1, doi. 10.1155/2018/7057363

By:

Krasnopolsky, Vladimir;
Nadiga, Sudhir;
Mehra, Avichal;
Bayler, Eric

Publication type:

Article