Paper on a new dropwindsonde that measures sea surface temperature released online in the Journal of Atmospheric and Oceanic Technology

Warm water provides the energy for tropical cyclones to form and intensify, and knowing the temperature of the water is important in predicting how strong a hurricane will become. Dropwindsondes are instruments that measure air temperature, moisture, pressure, and wind velocity as they fall toward the ocean after release from Hurricane Hunter aircraft, but they […]

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HRD researchers at 71st Interdepartmental Hurricane Conference/Tropical Cyclone Research Forum, Miami, FL – 14-16 March 2017

HRD and AOML scientists participated in the 71st Interdepartmental Hurricane Conference/Tropical Cyclone Operations and Research Forum. HRD scientists presented or were coauthors on 14 of the 45 presentations and 3 of the 10 posters. Shirley Murillo chaired the Joint Hurricane Testbed (JHT) session and Sundararaman Gopalakrishnan chaired a panel discussion on “Research Supporting Operations: Current […]

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HRD Seminar – Dr. Jon Poterjoy, HRD/NRC – Post-Doc Fellow – 30 March 2017

Dr. Poterjoy presented a seminar on “Progress and Lessons Learned During a Six-Month Collaboration with NOAA NSSL on Convective-Scale Data Assimilation”. ABSTRACT The nonlinear evolution of model forecast errors in convective weather regimes presents a major obstacle for predicting severe weather events. Ensemble forecasts provide an effective means of characterizing this uncertainty, which is a crucial step […]

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Paper on the bumpy ride encountered by Hurricane Hunters in Hurricane Felix released online in Monthly Weather Review

On September 2, 2007, a National Oceanic and Atmospheric Administration Hurricane Hunter airplane flew into Hurricane Felix when it was a category-5 hurricane north of Venezuela. The aircraft measured wind speed of 163 kt (188 mph) at the ocean surface and an upward wind speed of 60 kt (69 mph), the fastest upward wind ever […]

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HRD Seminar – Prof. John Molinari, University of Albany/SUNY – 7 March 2017

Prof. Molinari presented a seminar on “Outflow Layer Influences on Tropical Cyclones”. A recording of the presentation (audio begins 1 min into recording) is available on the anonymous ftp site: ftp://ftp.aoml.noaa.gov/hrd/pub/blog/seminars/2017/Molinari_HRD_Seminar_20170307.mp4

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HRD researchers contribute to new textbook on recent advances in tropical cyclone research

The book, co-edited by HRD scientist Sundararaman Gopalakrishnan, is based on a series of lectures by scientists from the US, India and Australia, at a workshop held in Bhubaneswar, India on 9-14 July 2012. It provides information on recent advances in tropical cyclone (hurricane and typhoon) observations, data assimilation (the process of getting these observations […]

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HRD & AOML researchers at 97th American Meteorological Society Annual Meeting, Seattle, WA – 23-27 January 2017

Abstracts and recordings of  the 25 presentations and 6 posters AOML & HRD researchers presented (or were co-authors) at the 97th AMS Annual Meeting are available online from the AMS website: Presentations: Bachir Annane,  B. D. McNoldy, S. M. Leidner, R. N. Hoffman, R. Atlas, and S. J. Majumdar, Impact of Simulated CYGNSS Ocean Surface Winds […]

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HRD scientists participate in HFIP Annual Review, NHC, Miami, FL – 11-12 January 2017

The HFIP program is coordinated through 3 strategic planning teams (Model Development, Data Assimilation/Ensemble, and Post Processing and Verification Development) and 3 tiger teams (High Resolution Physics, Ensemble Product, and Ocean Model Impact). The HFIP strategic planning teams develop our multi-year strategy for improving hurricane forecast guidance, while the tiger teams are responsible for overseeing […]

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HRD & AOML researchers at American Geophysical Union Fall Meeting, San Francisco, CA – 12-16 December 2016

AOML & HRD researchers presented 4 presentations and 2 posters at the 2016 AGU Fall Meeting. Presentations: Robert Atlas, Application of Observing System Simulation Experiments to determining requirements for space-based missions Hua Chen, S. Gopalakrishnan, and J. A. Zhang, The Role of Shallow Convection and Deep convection in the Intensity Changes of Hurricanes Evan A. […]

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HRD Monthly Science Meeting of November 2016

November’s science meeting consisted of 7 presentations: Shun-Nan Wu (RSMAS), “The signal of future TC intensification in the CloudSat measurements” Jon Zawislak (FIU/CIMAS/HRD), “The Relationship Between Precipitation and Environmental Forcing during Tropical Cyclone Formation” Leon Nguyen (HRD), “Thermodynamic and kinematic influences on precipitation symmetry in sheared tropical cyclones: Bertha and Cristobal (2014)” Brad Klotz (CIMAS/HRD): […]

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