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Author Karmakar, N.; Misra, V. url  doi
openurl 
  Title Differences in Northward Propagation of Convection Over the Arabian Sea and Bay of Bengal During Boreal Summer Type $loc['typeJournal Article']
  Year 2019 Publication Journal of Geophysical Research: Atmospheres Abbreviated Journal J. Geophys. Res. Atmos.  
  Volume 125 Issue 3 Pages  
  Keywords  
  Abstract The governing dynamics that modulate the propagation characteristics of intraseasonal oscillations (ISO) during summer monsoon over the two ocean basins, Bay of Bengal (BoB) and Arabian Sea (AS), are investigated using observational analysis and high‐resolution regional coupled ocean‐atmosphere climate model simulations. ISO features are extracted over the Indian region using a data‐adaptive spectral method called multichannel singular spectrum analysis. ISO exhibits stronger intensity over the BoB than over the AS. But ISO‐filtered rainfall propagates at a faster rate ( urn:x-wiley:jgrd:media:jgrd55983:jgrd55983-math-00011.25°/day) over AS as compared to BoB ( urn:x-wiley:jgrd:media:jgrd55983:jgrd55983-math-0002.74°/day), giving rise to a northwest‐southeast tilted band of rainfall anomalies. However, the composite diagrams of several atmospheric fields associated with northward propagation like vorticity, low‐level convergence, and oceanic variables like sea surface temperature and mixed layer depth do not show this difference in propagation speed and all exhibit a speed of nearly 0.75°/day in both the ocean basins. The difference in speed of ISO‐filtered rainfall is explained through moisture flux convergence. Anomalous horizontal moisture advection plays a major role over AS in preconditioning the atmosphere and making it favorable for convection. Anomalous wind acting on climatological moisture gradient is the dominant term in the moisture advection equation. Easterly wind anomalies associated with a low‐level anticyclone over India helps advect moisture from the eastern side of the domain. The northwest‐southeast tilt of ISO is dictated by the atmospheric processes of moisture advection with the upper ocean playing a more passive role in causing the tilt.  
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  ISSN 2169-897X ISBN Medium  
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  Funding Approved $loc['no']  
  Call Number COAPS @ user @ Serial 1099  
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Author Karmakar, N.; Misra, V. url  doi
openurl 
  Title The Relation of Intraseasonal Variations With Local Onset and Demise of the Indian Summer Monsoon Type $loc['typeJournal Article']
  Year 2019 Publication Journal of Geophysical Research: Atmospheres Abbreviated Journal J. Geophys. Res. Atmos.  
  Volume 124 Issue 5 Pages 2483-2506  
  Keywords hydroclimatic, Indian Summer Monsoon, Intraseasonal Oscillations, eastern Indiawestward propagating  
  Abstract Two of the most important hydroclimatic features of the Indian Summer Monsoon (ISM) rainfall are its onset/demise and Intraseasonal Oscillations (ISOs) manifested by the active‐break cycles. In this study, we aim to understand the quantitative association between these two phenomena. An objective definition of local onset/demise of the ISM based on more than a century‐long India Meteorological Department (IMD) rain‐gauge observation is taken into consideration. Using multichannel singular spectrum analysis (MSSA) we isolate northward propagating low‐ (20–60 days; LF‐ISO) and northwestward propagating high‐ (10–20 days; HF‐ISO) frequency ISOs from the daily ISM rainfall. Our results suggest that a large number of local onset (59%) and demise (62%) events occur during positive developing phases and positive decaying phases of two ISOs, respectively, with phase‐locking between LF‐ISO and HF‐ISO being particularly important. Local onset is largely associated with favorable phases of ISOs across India except for LF‐ISO over eastern India and HF‐ISO over western Ghats and central India (CI). We find that local demise is more coherent with the ISO phases, especially with HF‐ISO across the domain. We performed a case study to understand large‐scale association with the onset of the ISM over CI. In 44 of total 58 cases (1948–2005), when CI onset occurred during favorable LF‐ISO or HF‐ISO phase, they are either linked with a northward propagation of convection from the equator in LF‐ISO timescale (28 cases) or westward propagating structures from the western Pacific in HF‐ISO timescale (27 cases).  
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  ISSN 2169-897X ISBN Medium  
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  Funding Approved $loc['no']  
  Call Number COAPS @ user @ Serial 1014  
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Author DiNapoli, S.M.; Misra, V. url  doi
openurl 
  Title Reconstructing the 20th century high-resolution climate of the southeastern United States Type $loc['typeJournal Article']
  Year 2012 Publication Journal of Geophysical Research: Atmospheres Abbreviated Journal J. Geophys. Res.  
  Volume 117 Issue D19 Pages n/a-n/a  
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  Series Volume Series Issue Edition  
  ISSN 0148-0227 ISBN Medium  
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  Funding Approved $loc['no']  
  Call Number COAPS @ mfield @ Serial 238  
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Author Li, H.; Kanamitsu, M.; Hong, S.-Y. url  doi
openurl 
  Title California reanalysis downscaling at 10 km using an ocean-atmosphere coupled regional model system Type $loc['typeJournal Article']
  Year 2012 Publication Journal of Geophysical Research: Atmospheres Abbreviated Journal J. Geophys. Res.  
  Volume 117 Issue D12 Pages  
  Keywords climate change; coupled model; reanalysis; upwelling; regional climate; regional ocean model  
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  ISSN 0148-0227 ISBN Medium  
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  Call Number COAPS @ mfield @ Serial 265  
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Author Kozar, M.E.; Mann, M.E.; Camargo, S.J.; Kossin, J.P.; Evans, J.L. url  doi
openurl 
  Title Stratified statistical models of North Atlantic basin-wide and regional tropical cyclone counts Type $loc['typeJournal Article']
  Year 2012 Publication Journal of Geophysical Research: Atmospheres Abbreviated Journal J. Geophys. Res.  
  Volume 117 Issue D18 Pages  
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  Call Number COAPS @ mfield @ Serial 239  
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Author Misra, V.; Moeller, L.; Stefanova, L.; Chan, S.; O'Brien, J.J.; Smith III, T.J.; Plant, N. url  doi
openurl 
  Title The influence of the Atlantic Warm Pool on the Florida panhandle sea breeze: FLORIDA SEA BREEZE VARIATIONS Type $loc['typeJournal Article']
  Year 2011 Publication Journal of Geophysical Research: Atmospheres Abbreviated Journal J. Geophys. Res.  
  Volume 116 Issue D21 Pages  
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  ISSN 0148-0227 ISBN Medium  
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  Call Number COAPS @ mfield @ Serial 296  
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Author Chan, S.C.; Misra, V.; Smith, H. url  doi
openurl 
  Title A modeling study of the interaction between the Atlantic Warm Pool, the tropical Atlantic easterlies, and the Lesser Antilles: ATLANTIC WARM POOL, EASTERLIES, ISLANDS INTERACTIONS Type $loc['typeJournal Article']
  Year 2011 Publication Journal of Geophysical Research: Atmospheres Abbreviated Journal J. Geophys. Res.  
  Volume 116 Issue D21 Pages  
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  ISSN 0148-0227 ISBN Medium  
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  Call Number COAPS @ mfield @ Serial 308  
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Author Shin, D.W.; Cocke, S.; LaRow, T.E. url  doi
openurl 
  Title Diurnal cycle of precipitation in a climate model Type $loc['typeJournal Article']
  Year 2007 Publication Journal of Geophysical Research: Atmospheres Abbreviated Journal J. Geophys. Res.  
  Volume 112 Issue D13 Pages  
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  Call Number COAPS @ mfield @ Serial 423  
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Author Shin, D.W.; Baigorria, G.A.; Romero, C.C.; Cocke, S.; Oh, J.-H.; Kim, B.-M. url  doi
openurl 
  Title Assessing crop yield simulations driven by the NARCCAP regional climate models in the southeast United States Type $loc['typeJournal Article']
  Year 2017 Publication Journal of Geophysical Research: Atmospheres Abbreviated Journal J. Geophys. Res. Atmos.  
  Volume 122 Issue 5 Pages 2549-2558  
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  ISSN 2169897X ISBN Medium  
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  Call Number COAPS @ mfield @ Serial 28  
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Author Zheng, Y.; Bourassa, M.A.; Ali, M.M.; Krishnamurti, T.N. url  doi
openurl 
  Title Distinctive features of rainfall over the Indian homogeneous rainfall regions between strong and weak Indian summer monsoons Type $loc['typeJournal Article']
  Year 2016 Publication Journal of Geophysical Research: Atmospheres Abbreviated Journal J. Geophys. Res. Atmos.  
  Volume 121 Issue 10 Pages 5631-5647  
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  Funding Approved $loc['no']  
  Call Number COAPS @ mfield @ Serial 61  
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