1. Adaptation of the Advanced Regional Prediction System to the Environmental Hydrology Workbench (Web-ARPS) Adaptation of the Advanced Regional Prediction System to the Environmental Hydrology Workbench (Web-ARPS) Dan Weber, Henry Neeman, Suresh Marru and Josh Shuller CAPS/University of Oklahoma May 23, 2001

2. CAPS Personnel for 2000-2001 n Dan Weber: Project management, coupled system/support the GUI interface and optimization efforts. n Henry Neeman: Continued development of the Workbench interface, coupled system, visualization and optimization efforts. n Suresh Marru: EMGIS and VisAD links, review of OPIE. n Josh Shuller: Web-ARPS interface development and maintenance.

3. Vision for 2001 n Continue the EH Workbench web-based GUI development (initialization, coupled systems, VisAD, MPI, etc) n Perform an ARPS simulation within the Workbench Environment n Couple ARPS with other Workbench applications (i.e. existing watershed and river flow models) n Display ARPS forecast output using Workbench visualization tool (VISAD)

4. Timeline for Deliverables 2001 n Perform an ARPS simulation within the Web-ARPS environment (May 2001). n Beta version of Web-ARPS (June 2001). n Display ARPS forecast output using Workbench visualization tool (VISAD, October 15, 2001) n Incorporate other portal developments (November, 2001??).

5. Web-ARPS Accomplishments November 2000 - May 2001 n Web-ARPS continued development with extensions written in Java. n Beta version of Web-ARPS to be released in Summer of 2001 (delayed from June 1) n Web-ARPS MPI simulation of May 20, 1977 storm case performed using Web-ARPS on a 4 processor Origin 2000.

6. Web-ARPS Accomplishments (Continued) n Interpolator built for linking ARPS rainfall data to the EMGIS data extractor (front- end). n EMGIS used simulated rainfall data from an ARPS May 20, 1977 thunderstorm simulation to predict basin flow over eastern Oklahoma (one-way coupling). n Assisted in the optimization of EMGIS system. n Initial evaluation of OPIE.

7. Benefits from the ARPS/Workbench Interface n A model for other workbench applications. n A model for coupled model system interaction. n Web-ARPS is a simple graphical interface that makes forecast initiation easier. n The finished product can be used to test the GRID/Virtual Machine Room concept.

9. Web-ARPS Session/Demo n Current capabilities: –Login/account status –upload source code and data –create an experiment –manage an experiment (modify input files, run and view the output file ascii) –hooks for EMGIS and VisAD and other models –http://envhydro.caps.ou.edu/servlets/WebArps http://envhydro.caps.ou.edu/servlets/WebArps

10. Concerns for the Remainder of 2001 n Working version of the interface between other models. n Port ARPS NCSA Linux Cluster and to Itanium??? n Communications/permissions/security issues on other systems (Current system - 4-processor Origin 2000). n Enough time to complete(?) the project (i.e. all components available for generation of the finished product).