| An Extreme Event in the Eyewall of Hurricane Felix on 2 September 2007 - :17967 | Office of Oceanic and Atmospheric Research (OAR)
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An Extreme Event in the Eyewall of Hurricane Felix on 2 September 2007
Filetype[PDF-2.45 MB]


Details:
  • DOI:
    http://dx.doi.org/10.1175/mwr-d-16-0364.1
  • Personal Authors:
  • 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.

  • Document Type:
    Journal Article
  • Collection(s):
    Office of Oceanic and Atmospheric Research (OAR)
  • Supporting Files:
    No Additional Files
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      Personal Author:
      Zhang, J. A.; Cione, J. J.; Kalina, E. A.; Uhlhorn, E. W.; Hock, T.; Smith, J. A.;
      Published:
      2017
      Source:
      Journal of Atmospheric and Oceanic Technology, 34(6), 1333-1349.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      This study highlights infrared sensor technology incorporated into the global positioning system (GPS) dropsonde platforms to obtain sea surface temperature (SST) measurements. This modified sonde (IRsonde) is used to improve understanding of air-sea...
      File Type:
      Filetype[PDF - 3.98 MB]
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      Personal Author:
      Wanninkhof, R.; Trinanes, J.;
      Published:
      2017
      Source:
      Global Biogeochemical Cycles, 31(6), 961-974.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      An increase in global wind speeds over time is affecting the global uptake of CO2 by the ocean. We determine the impact of changing winds on gas transfer and CO2 uptake by using the recently updated, global high-resolution, cross-calibrated multiplat...
      File Type:
      Filetype[PDF - 20.62 MB]
    3. 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:
      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:
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      Personal Author:
      Manzello, D. P.; Enochs, I. C.; Kolodziej, G.; Carlton, R.; Valentino, L.;
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      2018
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      Marine Biology, 165(6), 11.
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      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      The persistence of coral reef frameworks requires that calcium carbonate (CaCO3) production by corals and other calcifiers outpaces CaCO3 loss via physical, chemical, and biological erosion. Coral bleaching causes declines in CaCO3 production, but th...
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      Personal Author:
      Lopez, H.; Goni, G.; Dong, S. F.;
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      Source:
      Geophysical Research Letters, 44(7), 3309-3318.
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      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:
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      Personal Author:
      Klotz, B. W.; Jiang, H. Y.;
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      2017
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      Monthly Weather Review, 145(10), 3989-4009.
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      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...
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      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:
      2018
      Source:
      Plos One, 13(1), 17.
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      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:
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      Personal Author:
      Martinez-Urtaza, J.; van Aerle, R.; Abanto, M.; Haendiges, J.; Myers, R. A.; Trinanes, J.; Baker-Austin, C.; Gonzalez-Escalona, N.;
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      2017
      Source:
      Mbio, 8(6), 17.
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      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 ...
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      Personal Author:
      Murphy, L. N.; Goes, M.; Clement, A. C.;
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      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...
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    10. Environmental Suitability of Vibrio Infections in a Warming Climate: An Early Warning System
      Personal Author:
      Semenza, J. C.; Trinanes, J.; Lohr, W.; Sudre, B.; Lofdahl, M.; Martinez-Urtaza, J.; Nichols, G. L.; Rocklov, J.;
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      2017
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      Environmental Health Perspectives, 125(10), 12.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      BACKGROUND: Some Vibrio spp. are pathogenic and ubiquitous in marine waters with low to moderate salinity and thrive with elevated sea surface temperature (SST). OBJECTIVES: Our objective was to monitor and project the suitability of marine condition...
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    11. 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.;
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      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...
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      Personal Author:
      Nolan, D. S.; Zhang, J. A.;
      Published:
      2017
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      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 ...
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      Rogers, R. F.; Reasor, P. D.; Zhang, J. A.;
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      Monthly Weather Review, 145(4), 1573-1575.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      File Type:
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      Personal Author:
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      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...
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      Personal Author:
      Lee, S. K.; Volkov, D. L.; Lopez, H.; Cheon, W. G.; Gordon, A. L.; Liu, Y. Y.; Wanninkhof, R.;
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      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:
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      Personal Author:
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      Published:
      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:
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      Personal Author:
      Aberson, S. D.; Sellwood, K. J.; Leighton, P. A.;
      Published:
      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:
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      Personal Author:
      Dong, S. F.; Volkov, D.; Goni, G.; Lumpkin, R.; Foltz, G. R.;
      Published:
      2017
      Source:
      Journal of Geophysical Research-Oceans, 122(7), 5952-5969.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      Three surface drifters equipped with temperature and salinity sensors at 0.2 and 5 m depths were deployed in April/May 2015 in the subtropical South Pacific with the objective of measuring near-surface salinity differences seen by satellite and in si...
      File Type:
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      Personal Author:
      Kourafalou, V.; Androulidakis, Y.; Le Henaff, M.; Kang, H.;
      Published:
      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]
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      Personal Author:
      Camp, E. F.; Smith, D. J.; Evenhuis, C.; Enochs, I.; Manzello, D.; Woodcock, S.; Suggett, D. J.;
      Published:
      2016
      Source:
      Proceedings of the Royal Society B-Biological Sciences, 283(1831), 20160442.
      Series:
      CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
      Description:
      Corals are acclimatized to populate dynamic habitats that neighbour coral reefs. Habitats such as seagrass beds exhibit broad diel changes in temperature and pH that routinely expose corals to conditions predicted for reefs over the next 50-100 years...
      File Type:
      Filetype[PDF - 890.92 KB]
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