Abstract:

This dataset was generated using the Unified Wave INterface-Coupled Model (UWIN-CM), a fully-coupled atmosphere-wave-ocean system simulation model. The UWIN-CM couples the atmospheric (Weather Research and Forecasting model, WRF), wave (the Unified Miami Wave Model, UMWM) and ocean (Hybrid Coordinate Ocean Model, HYCOM) models in a single framework that can simulate the physical interactions and exchanges between the three components. For the present study, the Hurricane Earl (2010) evolution from August 27, 2010 to September 2, 2010 were simulated using the UWIN-CM with random inputs (parameters associated with storm size, strength and rotation). These simulations were run on Edison at the National Energy Research Scientific Computing Center (NERSC) in 2016. A total of 110 simulations were conducted.

Suggested Citation:

Guotu Li; Milan Curcic; Mohamed Iskandarani; Shuyi S. Chen; Omar M. Knio. 2018. 110 UWIM-CM simulations of Hurricane Earl, August 27 to September 2, 2010, (Atlantic, Caribbean, Gulf of Mexico) with random hurricane parameter inputs. Distributed by: GRIIDC, Harte Research Institute, Texas A&M University–Corpus Christi. doi:10.7266/N7JS9P2W

Purpose:

To study the uncertainty propagation in the coupled atmosphere-wave-ocean system; in particular, the Hurricane Earl (2010) evolution during the 7-day time period from August 27, 2010 to September 2, 2010.

Data Parameters and Units:

Each member of the ensemble simulates the evolution of Hurricane Earl (2010) during the simulated time period (from August 27, 2010 to September 2, 2010), with different initial storm conditions (random parameters associated with initial storm size, strength and rotation). In this study, we primarily focus on the following model outputs: 1) Hourly maximum wind speed (m/s) of Hurricane Earl (2010) over the simulated time 2) Hourly minimum sea level pressure (hPa) in Hurricane Earl (2010) over the simulated time 3) Hourly trajectory coordinates (longitude and latitude in degrees) of Hurricane Earl (2010) over the simulated time Files “Simu_Ensemble_1_out.mat” and “Simu_Ensemble_2_out.mat” variables: Time (matlab time), Latitude (Lat: decimal degrees), Longitude (Lon: decimal degrees), NT (NT: Number of time stamps), Nruns (Number of simulation runs in the ensemble), minSLP (Model outputs of minimum sea level pressure: hPa), maxWind (model outputs of maximum wind speed: m/s), xLHS (a Latin Hypercube sample set of 4-dimensional canonical PC random variables associated with (Column 1) the initial wind amplitude of wave number 0, (Column 2) the initial wind amplitude of wave number 1, (Column 3) the initial storm size perturbation and (Column 4) the initial storm rotation perturbation. File “Simu_semiParametric_SKEBS.mat” for the semi-parametric simulation ensemble (PC parametric perturbations + SKEBS random perturbations). File variables: Latitude (Lat: decimal degrees), Longitude (Lon: decimal degrees), minSLP (Model outputs of minimum sea level pressure: hPa), maxWind (model outputs of maximum wind speed: m/s), xLHS (a Latin Hypercube sample set of 4-dimensional canonical PC random variables associated with (Column 1) the initial wind amplitude of wave number 0, (Column 2) fixed at 0 - unperturbed, (Column 3) fixed at 0- unperturbed and (Column 4) the initial storm rotation perturbation. File “wrfinput_d01.nc” represents the unperturbed initial condition file. File variables: Latitude (XLAT: decimal degrees), Longitude (XLONG: decimal degrees); Wind components (U, V, W: m/s), initial potential temperature (T_INIT: K), Temperature at 2m (T2: K), Potential temperature at 2m (TH2: K), Wind speed at 10m (U, V: m/s) among other atmospheric and model variables. See more details in the "Readme" file.

Individual Files: