HRD Debrief for missions into Hurricane Harvey – 1 September 2017

HRD researchers discussed the results from the four P-3, four G-IV, and one Global Hawk mission into Hurricane Harvey (23-25 August 2017). The agenda for the discussion was: Missions Overview (Paul Reasor) Science Discussions 20170824H1 TDR (Robert Rogers) 20170824H2 TDR (Jon Zawislak) 20170825H1 TDR (Robert Rogers) 20170825H2 TDR/OceanWinds (Jon Zawislak) Additional Field Program Issues HWRF …

HRD Seminar – Dr. Javier Delgado and Lisa Bucci, UM/CIMAS & HRD – 18 August 2017

Dr. Delgado and Ms. Bucci presented a seminar on "A 2 km Basin Scale Nature Run for a Hurricane Regional OSSE System". Abstact: A realistic Nature Run is the foundation to a useful Observing System Simulation Experiment (OSSE) framework.  A high-resolution, Basin Scale Nature Run (BSNR) using the Non-hydrostatic Multiscale Model on the B grid …

HRD Debrief for missions into Hurricane Franklin – 15 August 2017

HRD researchers discussed the results from the two P-3 and one Global Hawk mission into Hurricane Franklin (8-9 August 2017). The agenda for the discussion was: Mission Overview (Reasor) Science Discussions 20170808H1 (Zawislak) 20170809H1 (Rogers) EMC input (Sippel) Additional field program issues Slides from the debrief are available at: ftp://ftp.aoml.noaa.gov/pub/hrd/blog/meetings/2017/HFP/franklin17_debrief_main.pptx  

Mini-Dropwindsonde data from Global Hawk used in forecast models for the first time during Hurricane Franklin

For the first time, data from mini-dropwindsondes released by the Global Hawk aircraft were used by NOAA Global Forecast System to predict where Franklin might track, how strong it would get, and other weather around the globe.  A total of 48 mini-dropsondes were released by the Global Hawk on the morning and afternoon of 9 …

HRD Scientists brief NOAA Aircraft Operations Center personnel on IFEX 2017, Lakeland, FL – 19 July 2017

Intensity Forecast Experiment (IFEX) Program Director Paul Reasor and HRD Director Frank Marks briefed the Aircraft Operations Center (AOC) personnel at their brand new facility at Lakeland Linder Regional Airport on IFEX plans for 2017 and Hurricane Forecast Improvement Project progress, respectively. The two presentations are available in a .zip archive on the anonymous ftp …

HRD Monthly Science Meeting of July 2017

July’s science meeting consisted of 6 presentations: Steve Guimond (NASA) - "Reviving the Imaging Wind and Rain Airborne Profiler (IWRAP) for Hurricane Research: A Case Study of Hurricane Rita (2005)" Mu-Chieh (Laura) Ko - "Preliminary Review – HWRF-B 2016 Retrospective Dataset" Robert Rogers - "The Challenge of Intensity Forecasting in Moderate Shear" Emily Paltz (Hollings …

Paper on the new basin-scale version of HWRF developed at HRD published in Weather and Forecasting

The Hurricane Weather Research and Forecasting Model (HWRF) has become an important tool for both hurricane forecasters and researchers. The current HWRF has three domains around only one tropical cyclone. Its inner domain makes forecasts on a grid with points 2 km apart and follows the tropical cyclone during the forecast. During hurricane season in …

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 Director, Frank Marks presents at NOAA’s 2017 Hurricane Season Awareness Webinar Series, 4 May 2017

The presentation was the first in a series of three webinars presented by NOAA’s Southeast and Caribbean Regional Collaboration Team (SECART) in advance of the 2017 Atlantic Hurricane Season by NOAA specialists from the National Hurricane Center (NHC), the Atlantic Oceanographic and Meteorological Laboratory (AOML), the Weather Prediction Center (WPC), the Southeast River Forecast Center …

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 …