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Monthly Archives: July 2012
Notes from 7/11/2012 CSTAR TC Boundary/QPF conference call
Jordan Dale shared his initial findings from two WRF simulations of TC Ernesto initialized at 06Z and 12Z 8/30/06 using 1̊ resolution GFS forecast data. The 12Z simulation was run on a 36-km grid with nested 12 and 4-km domains. … Continue reading
Posted in CSTAR, TC and Boundary QPF
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Gust Factors from Five Tropical Cyclones Reveal Similarities and May Lead to New GFE Tools
In support of the CSTAR tropical cyclone wind project and an outgrowth of an event summary on Hurricane Irene, we examined the sustained winds, wind gusts, peak winds, and gust factors for five tropical cyclones that impacted the Carolinas and … Continue reading
Posted in CSTAR, TC Inland Winds
4 Comments
Development of a Tropical Cyclone Tornado Parameter
Dr. Matthew D. Eastin, Assistant Professor in the Department of Geography and Earth Sciences at UNC-Charlotte, recently (7/24/2012) gave a presentation to WFOs in the Carolinas on a situational awareness forecasting tool he is developing. The tool is being designed … Continue reading
Posted in TC Tornadoes
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TC Inland Winds Conference Call Notes 7/18/12
Attendees: Bryce Tyner (NCSU), Reid Hawkins (ILM), David Glenn (MRX), Gail Hartfield (RAH), and Jonathan Blaes (RAH) Notes: -The Holland et al. (2010) wind speed interpolation method as well as the Modified Rankine Vortex method currently being implmented in the … Continue reading
Posted in TC Inland Winds
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NDFD Final Verification
An objective verification of NDFD forecasts for TCs affecting the study region has been completed. NDFD wind speed grids are available since they became operational in 2006. NDFD data is compared to H*Wind surface wind analysis provided by the Hurricane … Continue reading
Posted in TC Inland Winds
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Notes from the CSTAR Quarterly Conference Call on 25 May (dilatory edition)
I apologize for the much delayed posting of these notes. I recently realized they had not been posted. JB A conference call with the principal investigators, the collaborative investigators, students, and other NWS participants with the ongoing CSTAR project was … Continue reading
Posted in CSTAR
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CSTAR Presentation on Tropical Cyclone Initial Conditions Available for Viewing
On July 5th, Dr Gary Lackmann from NC State University lead a webinar entitled “How are tropical cyclones represented in operational model initial conditions? And why does it matter?” The webinar was attended live by more than 15 different offices … Continue reading
Posted in TC Improved Initial Conditions
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Late June 2012 Derecho
This is a follow up to a previous blog post “Derecho in Progress? Damaging Wind Threat in VA/NC later this Evening/Tonight?“ A violent line of organized severe thunderstorms called a derecho swept across the Midwest, Ohio Valley and Mid-Atlantic knocking … Continue reading
Posted in Convection
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