TC Inland Winds May 2013 Conference Call Notes

The TC Wind Group help their monthly conference call on 5/8/13 at 11:30 AM.

Call Participants: Bryce Tyner (North Carolina State University), Reid Hawkins (ILM), Jonathan Blaes (RAH), David Glenn (MHX), John Billet (AKQ), Bob Bright (CHS), Frank Alsheimer (CHS)

Bryce has completed a draft of the climatology paper that features much of the work of the TC Inland Winds group thus far. The paper will be submitted to Weather and Forecasting. Dr. Aiyyer is currently making edits to the draft. Once complete, the draft will be submitted to members of the TC Inland Winds to review before submission to the journal.

Bryce showed some results of adding the modified Rankine and Holland et al. (2010) error functions to the raw interpolated wind fields. The results are quite promising, indicating the modified Rankine interpolated winds with the addition of the empirical error function displays the most similarity to the H*Wind surface analyses. Plots for all storms will be posted online over the next several weeks for collaborators to review.

David discussed his recent conversation with a representative of the National Data Buoy Center. The representative suggested disregarding wind speed data from buoys when wave heights of greater than 3-4 meters are measured. David’s recent work analyzing buoy data for Irene (2011) suggests a mean gust factor of 1.24, with much less variability in these gust factors compared to observations over land.

Jonathan and Reid presented some of the key features of the new GFE WindGustFactor and WindReductionFactor tools that will be tested for the 2013 Atlantic tropical cyclone season. Documentation for the tools is being finalized and will be distributed to participating WFOs over the next week or so.

The next conference call will be held on Wednesday, June 5th at 11 AM.

May 2013 Conference Call Slides

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