SEMINAR: NHC Seminar - today - 2:30pm - Prof. Shuyi Chen - "Hurricane Isaac (2012): In-situ Observations and Fully Coupled Atmosphere-Wave-Ocean Model Predictions"

[Christopher Landsea - NOAA Federal <chris.landsea@noaa.gov>]

Hi folks,

NHC will host a seminar today:

"Hurricane Isaac (2012): In-situ Observations and Fully Coupled
 Atmosphere-Wave-Ocean Model Predictions"  (abstract below)

Prof. Shuyi Chen
 University of Miami

Monday, December 10th
 2:30-3:30pm (Coffee & Pastelitos - 2:15pm)
 NHC Seminar Room

All are invited to attend.

Sincerely,
 chris
 **********************************************************************
 Chris Landsea
 Science and Operations Officer
 NOAA/NWS/National Hurricane Center
 11691 S.W. 17th Street
 Miami, Florida 33165-2149
 Chris.Landsea@noaa.gov P:305-229-4446
 **********************************************************************
 "The world's great Atlantic hurricanes are apocalyptic machines that
  move across water, feed off water, push water from ocean to shore and
  out of giant lakes, and make water a weapon of death."
  - Eliot Kleinberg, _Black Cloud - The Great Florida Hurricane of 1928_



Hurricane Isaac (2012):  In-situ Observations and Fully Coupled
 Atmosphere-Wave-Ocean Model Predictions

Shuyi Chen, Jan Morzel, and Luca Centurioni

ABSTRACT:
 Observations from ocean drifters deployed in Hurricane Isaac on August 26,
 2012 provided unprecident high-temporal resolution (every 15 min) data of
 sea-level pressure (SLP), surface wind speed and direction, SST and
 subsurface upper ocean temperature that were reported in real time via the
 GTS data system. The center of Hurricane Isaac passed through the drifter
 array on August 27. These in-situ observations provided a unique, detailed
 description of the storm evalution, including the pre-, during, and
 post-storm stages. The high temporal resolution of the drifter data are
 invaluable in capturing the SLP at about 982 hPa and wind speed >45-50 kts
 near the center of the storm. The continued observations from August
 26-September 15, 2012 provided a rare opportunity to document not only the
 SLP and wind structure in Isaac, but also the storm-included ocean cooling
 as well as post-storm recovery of the SST and upper ocean temperature in
 the Gulf. These in-situ observations are also invaluable for evaluation
 and verification of coupled atmosphere-wave-ocean models for hurricane
 forecasting and future coupled data assimilation. Details on coupled model
 predictions and comparison with in-situ observations and will be
 discussed.

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