HRD Monthly Science Meeting of August 2017

August’s science meeting consisted of 5 presentations: Jason Sippel: "Examining impact of recon in operational HWRF" Steve Diaz: "Demonstration of solver-independent regridding operation for a moving hurricane nest" Joe Cione: "Infrared Sea Surface Temperature Measurements from Hurricane Edouard (2014) using GPS dropsondes" John Kaplan: "Hurricane Franklin (2017): A Preliminary Look from a Global Hawk-P3 Perspective" …

HRD Monthly Science Meeting of May 2017

May’s science meeting consisted of 3 presentations: Jonathan Zawislak: Validation of tropical cyclone precipitation in HWRF using satellite observations Hua Chen - Azimuthal distribution of deep convection, environmental factors, and tropical cyclone rapid intensification: A perspective from HWRF ensemble forecasts of Hurricane Edouard Stephanie Stevenson (University of Albany/SUNY): Understanding intensity changes signaled by tropical cyclone lightning …

HRD Seminar – Dr. Jason Dunion, CIMAS and AOML/HRD – 4 May 2017

Dr. Dunion presented a seminar titled  “The Tropical Cyclone Diurnal Cycle: The Great Hurricane Exhale". Abstract: New geostationary infrared satellite imagery has revealed a curious diurnal pulsing pattern in tropical cyclones (TCs) that may represent an unrealized, yet fundamental process of mature TCs.  These diurnal pulses begin forming in the storm's inner core near the time …

Paper on forecast improvements due to dropsonde data from the Global Hawk aircraft published in Monthly Weather Review

Starting in 2010, the National Aeronautic and Space Administration and the National Oceanic and Atmospheric Administration have used the Global Hawk, an unmanned aircraft that can fly at 65,000 feet for 24 hours at a time, to make observations in tropical cyclones. The Global Hawk can release dropsondes that measure temperature, humidity, pressure, and wind …

Paper on a new dropwindsonde that measures sea surface temperature published 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 …

NOAA Hurricane Research overview for WMO Region IV Training Workshop, NHC – 27 February 2017

HRD researchers Frank Marks and Robert Rogers presented summaries of "NOAA's Hurricane Research" and "Aircraft Observations of Tropical Cyclones" and how they are used in tropical cyclone research to the World Meteorological Organization Regional Association IV Training Workshop held in the National Hurricane Center media room. Copies of the two presentations are available on the …

HRD Monthly Science Meeting of February 2017

February’s science meeting consisted of 7 presentations: Bachir Annane: Impact of Simulated CYGNSS Ocean Surface Winds on Tropical Cyclone Analyses and Forecasts in a Regional OSSE Framework Mark Leidner (AER): Creating Vector Winds from Simulated CYGNSS Ocean Surface Wind Speed Retrievals Using Variational Analysis Brittany Dahl: Impact of Global Hawk Observing Strategies on Vortex-Scale Tropical Cyclone …

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 …

HRD researchers provide overview of NOAA hurricane research at Indian Meteorological Society TROPMET 2016, Bhubaneswar, India – 18-20 December 2016

HRD researchers Drs. Frank Marks and Sundaraman Gopalakrishnan attended TROPMET 2016 Climate Change and Coastal Vulnerability organized by the Indian Meteorological Society (IMS) held at Siksha ‘O’ Anusandhan University, Bhubaneswar, Odisha to present an overview of NOAA’s hurricane research under the Hurricane Forecast Improvement Project (HFIP). Copies of the slides from Drs. Marks's and Gopalakrishnan's …

HRD Monthly Science Meeting of December 2016

December’s science meeting consisted of 6 presentations: Paul Reasor (HRD):  "Real-time, storm-scale diagnostics derived from Tail Doppler Radar", Jun Zhang (HRD):  "Recent improvement in physical parameterization of horizontal turbulent mixing in HWRF ", Rob Rogers (HRD):  “Re-writing the Tropical Record Books:  The Extraordinary Intensification of Hurricane Patricia (2015)”, Hui Christophersen (HRD):  'Composite Analysis of Global …