The 2021 Blue Book, by list of authors

01.Assimilation of atmospheric and land observations. Data impact and sensitivity studies. Methodological advances
Author(s)Paper titleCountryPages
Ph.L.BykovOptimal interpolation of inhomogeneous fields using neural networksRussia1-03
A.Cheng, F.YangReplacing OPAC with MERRA2 Aerosols for the UFSUSA1-05
T.Elless, X.Wu, V.TallapragadaIdentifying Atmospheric River Reconnaissance Targets Using Ensemble ForecastsUSA1-07
K.Nonaka, S.KoyamatsuOperational Use of GOES-16 Atmospheric Motion Vector (AMV) and ScatSat-1/OSCAT Data in JMA’s Global NWP SystemJapan1-09
I.OkabeOperational use of Himawari-8 CSR data of band 9 and 10 in JMA’s local NWP systemJapan1-11
R.J.Purser, M.Rancic, M.PondecaMultigrid Beta Filter Scheme for Modeling Background Error Covariance in 3DRTMAUSA1-13
M.Rancic, R.J.Purser, M.PondecaPlans to Estimate Adaptive Covariance Parameters Using a Neural NetworkUSA1-15
Z.Sassi, N.Fourrié, C.Birman, V.GuidardAssimilation of satellite derived surface temperature over land in AROME-France modelFrance1-17
K. Sawada, Y. HondaEffect of supersaturation constraint in a variational data assimilation systemJapan1-19
K.Wu, X.Wu, V.TallapragadaA New Atmospheric River Quantification MetricUSA1-21
X.Wu, V.Tallapragada, S.Lord, K.Wu, M.RalphImpact of Atmospheric River Reconnaissance Dropsonde Data on NCEP GFS Forecast: A Case StudyUSA1-23
Y.Xia, H.Wei, M.D.Gaines, J.Meng, G.Gayno, H.Lei, R.Yang, Y.Wu, F.Yang, M.Barlage, D.T.Kleist, V.TallapragadaPreliminary Comparison and Evaluation of Soil Moisture Produced in the NCEP Global Land Data Assimilation System (GLDAS)USA1-25
S.Yokota, T.Kadowaki, M.Oda, Y.OtaImproving ensemble-based background error covariances of the hybrid 4DVar in JMA’s global analysisJapan1-27

02.Data sets, diagnostic and dynamical investigations, statistical post-processing, reanalysis,and associated studies
Author(s)Paper titleCountryPages
O.A. Aldukhov, I.V. ChernykhSpatiotemporal distributions of Global trends of water vapour amount in the atmospheric layer 0-30 kmRussia2-03
O.A. Aldukhov, I.V. ChernykhFirst and second-order trends of wind speed in the atmospheric layer 0-30 km on base of global aerological datasetsRussia2-05
I. Chernykh, O. AldukhovTrends of the number of cloud layersRussia2-07
R. DanielsonA distance correlation ratio of predictable componentsCanada2-09
R.Honnert, R.El KathibFirst and second derivatives for future use in AROME physicsFrance2-11
S. MandkeSome aspects of the weak rainfall spells of the Indian summer monsoon 2018India2-13
I.I.Mokhov, N.N.MedvedevChanges of the El Niño quasi-cyclic dynamics from the analysis of phase portraitsRussia2-15
I.I.Mokhov, A.V. TimazhevIntegral index of blocking activity in the atmosphere of Northern Hemisphere during last decadesRussia2-17
I.I.Mokhov, D.A.SmirnovSensitivity of the surface air temperature in different NH latitudes to changes in anthropogenic forcing and natural climate modesRussia2-19
A.G. Poroshenko, M.G. Akperov, I.I. MokhovPolar mesocyclones and their variability from STARS dataRussia2-21
A. Prabhu, S. K. MandkeRelation of Eurasian snow with regional India summer monsoon rainfallIndia2-23
A. ShishovA comparison of deep convection detection algorithms based on thresholding techniques applied to Meteosat-11 satellite data for European RussiaRussia2-25
A.V. Timazhev, I.I. MokhovHeat and cold waves formation in association with atmospheric blockings in the Northern HemisphereRussia2-27

03.Computational studies including new techniques, parallel processing, GPUs. Effects of model resolution
Author(s)Paper titleCountryPages
W.Wang, H.S.Kim, L.Zhu, B.Liu, Z.Zhang, A.Mehra, V.TallapragadaImpact of Nest Domain Size on the Track Forecast of TC Sarai (2019) by HWRF ModelUSA3-03

04.Parameterization of atmospheric and surface processes, effects of different physical parameterizations
Author(s)Paper titleCountryPages
J. Chiba, H. KawaiImproved SST–shortwave radiation feedback using an updated stratocumulus parameterizationJapan4-03
P.MarquetComputation of moist-air surface entropy at Mauna Loa.France4-05
P.Marquet, A.BaileyComparisons of H2O pathways with moist isentropes.France4-07
O.Marti, S.Nguyen, P.Braconnot, S.Valcke, F.Lemarié, E.BlayoDiagnosing the ocean-atmosphere coupling schemes by using a mathematically consistent Schwarz iterative methodFrance4-09
I.I.Mokhov, A.G.PoroshenkoPolar Lows: Statistical relationship between size and durationRussia4-11
R. NagasawaImpact of ice cloud treatment on the OLR in the radiation calculation of JMA global NWP modelJapan4-13

05.Development of and studies with regional and convective-scale atmospheric models and ensembles
Author(s)Paper titleCountryPages
K. Ishii, T. Shimbori, R. Kai, Y. Hasegawa, Y. Hayashi, H.TsuchiyamaImprovement of volcanic ash cloud prediction in the Tokyo VAACJapan5-03
T.Kakeheta, M.Kunii, K.Kawano, H.KawadaUpgrade of JMA’s Mesoscale Ensemble Prediction SystemJapan5-05
H.Kusabiraki, Y.Kitamura, M.Sawada, K.Matsubayashi, S.NishimotoIncreasing Vertical Resolution and Updating Physical Processes in JMA’s Regional NWP SystemJapan5-07
A.Revokatova, M.Nikitin, G.Rivin, I.Rozinkina, A.Nikitin, E.TatarinovichSimulation of polar lows over Norwegian and Barents seas using the COSMO-CLM and ICON models for the 2019–2020 cold seasonRussia5-09
G.Rivin, I.Rozinkina, E.Astakhova, D.Blinov, A.Bundel’, N.Chubarova, I.Gorlach, A.Kirsanov, M.Shatunova, D.Alferov, M.Varentsov, T.Samsonov, D.Zakharchenko, Ph.Bykov, J.Khlestova, V.Kopeykin, M.Nikitin, A.Poliukhov, A.Revokatova, E.TatarinovichStatus System COSMO-Ru and Scientific Projects including Testing of ICON-NWPRussia5-11
T. Shimbori, K. Ishii, R. Kai, Y. Hasegawa, Yo. Hayashi, Yu. HayashiRenewal of the JMA Atmospheric Transport Model on the Volcanic Ash Advisory and Ash Fall Forecast Distribution SystemJapan5-13

06.Developments in global forecast models, case studies, predictability investigations, global ensembles
Author(s)Paper titleCountryPages
Z.N. BegumModeling of Chemical Tracer Transport in the Atmospheric Environment and its Impact on the Global ClimateIndia6-03
I.I.MokhovAssociated with Pacific Decadal Oscillation regional natural hazards like Amur River record flood in 2013 and oceanic red tide near Kamchatka Peninsula in 2020Russia6-05
I.I. MokhovPredictability of seasonal temperature anomalies in the North Eurasian regions in the La Niña conditionsRussia6-07
M.Ujiie, M.Higuchi, T.Kadowaki, Y.Kuroki, K.Kiyaoka, M.Oda, K.Ochi, R.Sekiguchi, H.Shimizu, S.Yokota, H.YoneharaUpgrade of JMA’s Operational Global NWP systemJapan6-09
X.Wu, D.Kleist, V.Tallapragada, F.Yang, J.A.SippelImpact of Aircraft High-Density Observations on GFSv16 Tropical Cyclone ForecastsUSA6-11
H.Yamaguchi, M.Ikegami, T.Iwahira, K.Ochi, R.Sekiguchi, T.TakakuraUpgrade of JMA's Global Ensemble Prediction SystemJapan6-13
X.Zhou, H.M.JuangThe Global Forecast System Model Instability Issue and Potential SolutionsUSA6-15

07.Global and regional climate models, sensitivity and impact experiments, response to external forcing, monthly and seasonal forecasting
Author(s)Paper titleCountryPages
M.M.Arzhanov, I.I.Mokhov, M.R.ParfenovaNorthern Hemisphere snow cover sensitivity to temperature changes in the CMIP6 model ensembleRussia7-03
S.Denisov, I.MokhovEffects of natural GHG emissions under climate changes due to anthropogenic scenarios in the 21st century: Model estimatesRussia7-05
A.V.Eliseev, I.I.Mokhov, M.R.ParfenovaChanges of navigation period at the North Sea Route in the 21st century from the CMIP5 ensemble simulations: Bayesian estimatesRussia7-07
Vladimir A.GordinAbout some climatic change in RussiaRussia7-09
S.K. Mandke, A. PrabhuEurasian winter snow variability in the future warming scenarios of CCSM4/CMIP5India7-11
I.I.Mokhov, A.V.Chernokulsky, A.M. OsipovAtmospheric centers of action in the Northern and Southern Hemispheres: Tendencies of change in the 21st century from model simulationsRussia7-13
K.E.Muryshev, A.V.Eliseev, I.I.Mokhov, S.N.Denisov, M.M.Arzhanov, A.V.Timazhev, A.I.NarizhnayaInfluence of climate system nonlinearity on the time lag between changes in global temperature and atmospheric CO2 contentRussia7-16

08.Development of and advances in ocean, sea-ice, and wave modelling and data assimilation
Author(s)Paper titleCountryPages
J.Cummings, Z.Garraffo, D.Iredell, S.Paturi, Y.Hao, T.Spindler, B.Alasubramanian, A.MehraOcean Data Impacts in the Real Time Ocean Forecast System: RTOFS-v2USA8-03
J.Kim, Y.C.Teng, G.Vernieres, T.Sluka, S.Paturi, Y.Hao, D.Worthen, B.Li, J.Wang, J.S.Zhu, H.C.Kim, D.KleistNOAA-NCEP Next Generation Global Ocean Data Assimilation System (NG-GODAS)USA8-05
X.Liu, J.Kim, A.Mehra, D.Kleist, G.Vernieres, H.C.Kim, E.BaylerImplementation of Ocean Biogeochemical Modeling and Ocean Color Data Assimilation within NOAA/NCEP’s Next-Generation Global Ocean Data Assimilation System (NG-GODAS)USA8-07
S.Paturi, Y.Hao, J.KimData Used in Global Ocean Modeling and Data Assimilation Systems at NOAA/NCEPUSA8-09
B.S.Strukov, Yu.D.Resnyanskii, А.А.Zelenko, V.N.StepanovVariability of water and heat exchanges through the Bering Strait in numerical experiments with the NEMO/SI3 model assimilating observational dataRussia8-11
Y.C.Teng, J.Kim, T.Sluka, D.KleistImplementation of Forcing-Bias Correction for the JEDI-Based Next Generation Global Ocean Data Assimilation System (NG-GODAS)USA8-13

09.Development of and studies with coupled and Earth system models and data assimilation systems
Author(s)Paper titleCountryPages
A.Wada, W. YanaseNumerical simulations of the rapid weakening of Typhoon Haishen (2020) by a coupled atmosphere-wave ocean modelJapan9-03
A.WadaAtmosphere-wave-ocean coupled-model ensemble simulation on rapid intensification of Typhoon Hagibis (2019)Japan9-05
A.Wada, W. YanaseNumerical simulations of Typhoon Haishen by a coupled atmosphere-wave ocean model with two different oceanic initial conditionsJapan9-07
A.WadaRainfall simulations of Typhoon Mangkhut (2018) landfalling in the PhilippinesJapan9-09
J.Wang, D.Worthen, B.Liu, M.Ji, B.Curtis, D.Jovic, D.Heinzeller, L.Pan, S.Moorthi, S.Sun, B.W.Green, M.Vertenstein, A.Craig, G.Theurich, R.Mahajan, A.ChawlaDevelopment of UFS Coupled Model InfrastructureUSA9-11

10.Forecast verification: methods and studies
Author(s)Paper titleCountryPages
B.Casati, E.Mekis, M.KøltzowAdjustment of wind induced solid precipitation undercatch in operational verification practicesCanada10-03