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An Extreme Event in the Eyewall of Hurricane Felix on 2 September 2007
Filetype[PDF-2.45 MB]


Details:
  • Personal Author:
  • Description:
    During a routine penetration into Hurricane Felix late on 2 September 2007, NOAA42 encountered extreme turbulence and graupel, flight-level horizontal wind gusts of over 83ms(-1), and vertical wind speeds varying from 10 ms (1) downward to 31ms (1) upward and back to nearly 7ms (1) downward within 1 min. This led the plane to rise nearly 300m and then return to its original level within that time. Though a drop-windsonde was released during this event, the radars and data systems on board the aircraft were rendered inoperable, limiting the amount of data obtained. The feature observed during the flight is shown to be similar to that encountered during flights into Hurricanes Hugo (1989) and Patricia (2015), and by a dropwindsonde released into amisovortex in Hurricane Isabel (2003). This paper describes a unique dataset of a small-scale feature that appears to be prevalent in very intense tropical cyclones, providing new evidence for eye-eyewall mixing processes that may be related to intensity change.

  • DOI:
    http://dx.doi.org/10.1175/mwr-d-16-0364.1
  • Document Type:
    Journal Article
  • Collection(s):
    Office of Oceanic and Atmospheric Research (OAR)
    NOAA Cooperative Institutes
  • Main Document Checksum:
  • Supporting Files:
    No Additional Files
    1. Spiral gravity waves radiating from tropical cyclones
      Personal Author:
      Nolan, D. S.; Zhang, J. A.;
      Published Date:
      2017
      Source:
      Geophysical Research Letters, 44(8), 3924-3931.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      Internal gravity waves are continuously generated by deep moist convection around the globe. Satellite images suggest that tropical cyclones produce short-wavelength, high-frequency waves that radiate outward, with the wave fronts wrapped into tight ...
      File Type:
      Filetype[PDF - 1.41 MB]
    2. Comments on "Reanalyses and Observations: What's the Difference?"
      Personal Author:
      Hoffman, R. N.; Prive, N.; Bourassa, M.;
      Published Date:
      2017
      Source:
      Bulletin of the American Meteorological Society, 98(11), 2455-2460.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      File Type:
      Filetype[PDF - 5.34 MB]
    3. The Dynamics of Cuba Anticyclones (CubANs) and Interaction With the Loop Current/Florida Current System
      Personal Author:
      Kourafalou, V.; Androulidakis, Y.; Le Henaff, M.; Kang, H.;
      Published Date:
      2017
      Source:
      Journal of Geophysical Research-Oceans, 122(10), 7897-7923.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      Mesoscale anticyclonic eddies along the northern Cuban coast (CubANs) have been identified in the Straits of Florida, associated with the northward shift of the Florida Current (FC) and the anticyclonic curvature of the Loop Current (LC) at the weste...
      File Type:
      Filetype[PDF - 13.12 MB]
    4. The Role of African Dust in Atlantic Climate During Heinrich Events
      Personal Author:
      Murphy, L. N.; Goes, M.; Clement, A. C.;
      Published Date:
      2017
      Source:
      Paleoceanography, 32(11), 1291-1308.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      Increased ice discharge in the North Atlantic is thought to cause a weakening, or collapse, of the Atlantic meridional overturning circulation (AMOC) during Heinrich events. Paleoclimate records indicate that these periods were marked by severe tropi...
      File Type:
      Filetype[PDF - 2.41 MB]
    5. Importance of ocean mesoscale variability for air-sea interactions in the Gulf of Mexico
      Personal Author:
      Putrasahan, D. A.; Kamenkovich, I.; Le Henaff, M.; Kirtman, B. P.;
      Published Date:
      2017
      Source:
      Geophysical Research Letters, 44(12), 6352-6362.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      Mesoscale variability of currents in the Gulf of Mexico (GoM) can affect oceanic heat advection and air-sea heat exchanges, which can influence climate extremes over North America. This study is aimed at understanding the influence of the oceanic mes...
      File Type:
      Filetype[PDF - 1.59 MB]
    6. The Impact of Improved Thermistor Calibration on the Expendable Bathythermograph Profile Data
      Personal Author:
      Goes, M.; Babcock, E.; Bringas, F.; Ortner, P.; Goni, G.;
      Published Date:
      2017
      Source:
      Journal of Atmospheric and Oceanic Technology, 34(9), 1947-1961.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      Expendable bathythermograph (XBT) data provide one of the longest available records of upper-ocean temperature. However, temperature and depth biases in XBT data adversely affect estimates of long-term trends of ocean heat content and, to a lesser ex...
      File Type:
      Filetype[PDF - 1.92 MB]
    7. Wind-driven ocean dynamics impact on the contrasting sea-ice trends around West Antarctica
      Personal Author:
      Lee, S. K.; Volkov, D. L.; Lopez, H.; Cheon, W. G.; Gordon, A. L.; Liu, Y. Y.; Wanninkhof, R.;
      Published Date:
      2017
      Source:
      Journal of Geophysical Research-Oceans, 122(5), 4413-4430.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      Since late 1978, Antarctic sea-ice extent in the East Pacific has retreated persistently over the Amundsen and Bellingshausen Seas in warm seasons, but expanded over the Ross and Amundsen Seas in cold seasons, while almost opposite seasonal trends ha...
      File Type:
      Filetype[PDF - 5.61 MB]
    8. Performance of Basin-Scale HWRF Tropical Cyclone Track Forecasts
      Personal Author:
      Alaka, G. J.; Zhang, X. J.; Gopalakrishnan, S. G.; Goldenberg, S. B.; Marks, F. D.;
      Published Date:
      2017
      Source:
      Weather and Forecasting, 32(3), 1253-1271.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      The Hurricane Weather Research and Forecasting (HWRF) Model is a dynamical model that has shown annual improvements in its tropical cyclone (TC) track forecasts as a result of various modifications. This study focuses on an experimental version of HW...
      File Type:
      Filetype[PDF - 4.43 MB]
    9. Marked annual coral bleaching resilience of an inshore patch reef in the Florida Keys: A nugget of hope, aberrance, or last man standing?
      Personal Author:
      Gintert, B. E.; Manzello, D. P.; Enochs, I. C.; Kolodziej, G.; Carlton, R.; Gleason, A. C. R.; Gracias, N.;
      Published Date:
      2018
      Source:
      Coral Reefs, 37(2), 533-547.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      Annual coral bleaching events, which are predicted to occur as early as the next decade in the Florida Keys, are expected to cause catastrophic coral mortality. Despite this, there is little field data on how Caribbean coral communities respond to an...
      File Type:
      Filetype[PDF - 2.26 MB]
    10. A Call for Evaluation of the Contribution Made by Resuce, Resuscitation, Rehabilitation, and Release Translocations to Kemp's Ridley Sea Turtle (Lepidochelys Kempii) Population Recovery
      Personal Author:
      Caillouet, C. W.; Putman, N. F.; Shaver, D. J.; Valverde, R. A.; Seney, E. E.; Lohmann, K. J.; Mansfield, K. L.; Gallaway, B. J.; Flanagan, J. P.; Godfrey, M. H.;
      Published Date:
      2016
      Source:
      Herpetological Conservation and Biology, 11(3), 486-496.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      Kemp's Ridley Sea Turtle (Lepidochelys kempii) conservation practices permitted by the National Marine Fisheries Service (NMFS) and U.S. Fish and Wildlife Service (USFWS), under authority of the U. S. Endangered Species Act of 1973, include transloca...
      File Type:
      Filetype[PDF - 679.58 KB]
    11. Quantifying the impact of basin dynamics on the regional sea level rise in the Black Sea
      Personal Author:
      Kubryakov, A. A.; Stanichny, S. V.; Volkov, D. L.;
      Published Date:
      2017
      Source:
      Ocean Science, 13(3), 443-452.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      Satellite altimetry measurements show that the magnitude of the Black Sea sea level trends is spatially uneven. While the basin-mean sea level rise from 1993 to 2014 was about 3.15 mm yr(-1), the local rates of sea level rise varied from 1.5-2.5 mm y...
      File Type:
      Filetype[PDF - 11.80 MB]
    12. Examination of Surface Wind Asymmetries in Tropical Cyclones. Part I: General Structure and Wind Shear Impacts
      Personal Author:
      Klotz, B. W.; Jiang, H. Y.;
      Published Date:
      2017
      Source:
      Monthly Weather Review, 145(10), 3989-4009.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      Because surface wind speeds within tropical cyclones are important for operational and research interests, it is vital to understand surface wind structure in relation to various storm and environmental influences. In this study, global rain-correcte...
      File Type:
      Filetype[PDF - 3.11 MB]
    13. Taking the metabolic pulse of the world's coral reefs
      Personal Author:
      Cyronak, T.; Andersson, A. J.; Langdon, C.; Albright, R.; Bates, N. R.; Caldeira, K.; Carlton, R.; Corredor, J. E.; Dunbar, R. B.; Enochs, I.; Erez, J.; Eyre, B. D.; Gattuso, J. P.; Gledhill, D.; Kayanne, H.; Kline, D. I.; Koweek, D. A.; Lantz, C.; Lazar, B.; Manzello, D.; McMahon, A.; Melendez, M.; Page, H. N.; Santos, I. R.; Schulz, K. G.; Shaw, E.; Silverman, J.; Suzuki, A.; Teneva, L.; Watanabe, A.; Yamamoto, S.;
      Published Date:
      2018
      Source:
      Plos One, 13(1), 17.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      Worldwide, coral reef ecosystems are experiencing increasing pressure from a variety of anthropogenic perturbations including ocean warming and acidification, increased sedimentation, eutrophication, and overfishing, which could shift reefs to a cond...
      File Type:
      Filetype[PDF - 1.93 MB]
    14. Autonomous Multi-Platform Observations During the Salinity Processes in the Upper-ocean Regional Study
      Personal Author:
      Lindstrom, E. J.; Shcherbina, A. Y.; Rainville, L.; Farrar, J. T.; Centurioni, L. R.; Dong, S. F.; D'Asaro, E. A.; Eriksen, C.; Fratantoni, D. M.; Hodges, B. A.; Hormann, V.; Kessler, W. S.; Lee, C. M.; Riser, S. C.; St Laurent, L.; Volkov, D. L.;
      Published Date:
      2017
      Source:
      Oceanography, 30(2), 38-48.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      The Salinity Processes in the Upper-ocean Regional Study ( SPURS) aims to understand the patterns and variability of sea surface salinity. In order to capture the wide range of spatial and temporal scales associated with processes controlling salinit...
      File Type:
      Filetype[PDF - 4.42 MB]
    15. An estimate of diapycnal nutrient fluxes to the euphotic zone in the Florida Straits
      Personal Author:
      Zhang, J. Z.; Baringer, M. O.; Fischer, C. J.; Hooper, V. J. A.;
      Published Date:
      2017
      Source:
      Scientific Reports, 7(8).
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      A recent hydrographic survey of the Florida Current at 27 degrees N revealed an enhanced upward flux of nutrients along the Florida coast. Geostrophic flow of the Gulf Stream through the narrow Florida Straits causes an uplift of the nutricline towar...
      File Type:
      Filetype[PDF - 2.55 MB]
    16. Calculating Dropwindsonde Location and Time from TEMP-DROP Messages for Accurate Assimilation and Analysis
      Personal Author:
      Aberson, S. D.; Sellwood, K. J.; Leighton, P. A.;
      Published Date:
      2017
      Source:
      Journal of Atmospheric and Oceanic Technology, 34(8), 1673-1678.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      Current practice is to transmit dropwindsonde data from aircraft using the TEMP-DROP format, which provides only the release location and time with 0.1 degrees latitude x 0.1 degrees longitude (about 11 km) and 1-h resolutions, respectively. The curr...
      File Type:
      Filetype[PDF - 858.42 KB]
    17. A reconstructed South Atlantic Meridional Overturning Circulation time series since 1870
      Personal Author:
      Lopez, H.; Goni, G.; Dong, S. F.;
      Published Date:
      2017
      Source:
      Geophysical Research Letters, 44(7), 3309-3318.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      This study reconstructs a century-long South Atlantic Meridional Overturning Circulation (SAMOC) index. The reconstruction is possible due to its covariability with sea surface temperature (SST). A singular value decomposition (SVD) method is applied...
      File Type:
      Filetype[PDF - 2.59 MB]
    18. Axisymmetric Initialization of the Atmosphere and Ocean for Idealized Coupled Hurricane Simulations
      Personal Author:
      Aksoy, A.; Zhang, J. A.; Klotz, B. W.; Uhlhorn, E. W.; Cione, J. J.;
      Published Date:
      2017
      Source:
      Journal of Advances in Modeling Earth Systems, 9(7), 2672-2695.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      A new vortex-scale initialization scheme is presented for idealized coupled hurricane simulations. The atmospheric scheme involves construction of azimuthally averaged kinematic and thermodynamic initial fields based on historical composite data sets...
      File Type:
      Filetype[PDF - 11.78 MB]
    19. Genomic Variation and Evolution of Vibrio parahaemolyticus ST36 over the Course of a Transcontinental Epidemic Expansion
      Personal Author:
      Martinez-Urtaza, J.; van Aerle, R.; Abanto, M.; Haendiges, J.; Myers, R. A.; Trinanes, J.; Baker-Austin, C.; Gonzalez-Escalona, N.;
      Published Date:
      2017
      Source:
      Mbio, 8(6), 17.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      Vibrio parahaemolyticus is the leading cause of seafood-related infections with illnesses undergoing a geographic expansion. In this process of expansion, the most fundamental change has been the transition from infections caused by local strains to ...
      File Type:
      Filetype[PDF - 2.27 MB]