Details:

Journal Title:
Monthly Weather Review
Personal Author:
Aberson, Sim D. ; Zhang, Jun A. ; Ocasio, Kelly Nuñez
Aberson, Sim D. ; Zhang, Jun A. ; Ocasio, Kelly Nuñez Less -
NOAA Program & Office:
OAR (Oceanic and Atmospheric Research) ; AOML (Atlantic Oceanographic and Meteorological Laboratory) ; CIMAS (Cooperative Institute for Marine and Atmospheric Studies)
OAR (Oceanic and Atmospheric Research) ; AOML (Atlantic Oceanographic and Meteorological Laboratory) ; CIMAS (Cooperative Institute for Marine and Atmospheric Studies) Less -
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.
Source:
Monthly Weather Review, 145(6), 2083-2092.
DOI:
https://doi.org/10.1175/mwr-d-16-0364.1
Document Type:
Journal Article
Rights Information:
Other
Compliance:
Submitted
Main Document Checksum:
[+]
urn:sha256:c0bb46862d0deadfdaaf5f03e12405c2b7ed1927f169ebaa3aea6e8c8850e3cc
Download URL:
https://repository.library.noaa.gov/view/noaa/17967/noaa_17967_DS1.pdf
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