January 8, 2009 Meeting Summary
Qingfu Liu presented some of his most recent work showing test results
of his HWRF initialization through track and intensity plots. Dennis,
Rita, Wilma, and Katrina were run for 2005; Dean, Flossie and Kiko were
run for 2007; and Bertha and Ike were run for 2008. Plots of the track
and intensity indicated that there were basically no changes in the
forecasts for the benchmark storms (Dennis, Katrina, Rita, Wilma, and
Dean), but there was improvement in the track and intensity when the
steering flow was strong as was the case for Bertha and Ike. For strong
storms, the forecasted MSLP was 20-50 mb lower than the observations.
Qingfu mentioned re-examining the pressure-wind relationship as it
pertains to the HWRF, perhaps by using Powell (2006) data.
Bob Tuleya gave a brief talk about his surface temperature fix
specifically for two cases involving Fay and Gustav. For Fay, the track
and intensity were improved, and for Gustav, track was improved with not
much change in intensity.
Arun Chawla discussed moving forward with the three-way coupling of
HWRF-HYCOM-WAVEWATCH III. It was determined that most of the code was
already in place for this, and a team was assembled to construct a
script for this exact purpose.
Vijay Tallapragada reported that most everything is on track to beginning
testing the HWRF parallel with the most recent upgrades.