1. HFIP Regional Ensemble Call Audio = 1-800-857-6535 Passcode = 71511# Meeting ID = 558-002-890 23 July 2012

2.  Today’s Agenda  Product Update (Mark DeMaria)  Display Update (Paula McCaslin)  Ensemble Update (Brian Etherton) HFIP Regional Ensemble Call

3. HFIP Ensemble Product Subgroup Update on Prototype Products Andrea Schumacher / Mark DeMaria July 23, 2012 Conference Call 3

4. 2 Prototype Ensemble Products Planned for Aug. 1, 2012 1.Genesis ensembles from global models  T. Marchok lead (GFDL)  Development continuing 2.Hybrid dynamical-statistical wind speed probabilities  A. Schumacher, M. DeMaria (co-leads)  Arrangements made to have ensemble tracks/intensities pushed to CIRA from GFDL  Script being developed at CIRA for real time runs  Initial coordination to post products on HFIP web page 4

5. HFIP Ensemble Display Subgroup Update on HFIP Web Page Paula McCaslin July 23, 2012 Conference Call 5

6. HFIP Ensemble Subgroup Update on Realtime 2012 Ensemble Brian Etherton June 18, 2012 Conference Call 6

7.  Formal work to be an EMC/GSD effort, running on S- JET, for summer 2012.  20-member ensemble, ‘basin-scale’ 27km domain  Forecast length=120hr at 00Z and 12Z, 9hr at 06Z and 18Z  Use GEFS for IC/BC, add on smaller scale perturbations via dynamical downscaling / cycling method  Start from EMC scripting set (Zhan Zhang), with GSD modifications to incorporate small scale perturbations  Still trying to ‘ensemble-ize’ basinscale scripts. HFIP Regional Ensemble

8.  Meeting summaries/presentations to be located here: http://rammb.cira.colostate.edu/research/tropical_cyclones/hfip/add_conference_call_summaries.asp  Next Call  Tentatively scheduled for Monday, August 27th, at 11AM Pacific, Noon Mountain, 1PM Central, 2PM Eastern (Daylight Time)  Speakers… likely the three subgroup leads HFIP Regional Ensemble Call