20th anniversary of the first operational synoptic surveillance mission with the NOAA G-IV

  On 14 July, 1997, Tropical Storm Claudette was moving northeastward offshore the east coast of the US.  Eager to test the new Gulfstream-IV (G-IV) jet aircraft and the new Global Positioning System dropwindsonde, the National Hurricane Center tasked the first-ever operational synoptic surveillance mission geared toward improving track forecasts. Initial condition differences in the […]

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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 […]

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Paper on a field program during 2015 that sampled hurricanes in cooperation with NOAA released online in the Bulletin of the American Meteorological Society

You can read about it at http://journals.ametsoc.org/doi/abs/10.1175/BAMS-D-16-0055.1.

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Paper on accounting for the location of dropwindsondes during measurements released online in the Journal of Atmospheric and Oceanic Technology

Summary: Hurricane Hunter aircraft have been releasing instruments called dropwindsondes to measure pressure, temperature, moisture, and wind speed and direction in hurricanes for two decades. Data from dropwindsondes released near the storms have led to better forecasts of where they will go, but improvements to forecasts of how strong they will get have lagged. Part […]

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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 […]

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HRD observation team monthly meeting – 15 June 2017

The purpose of the observation team meetings is to bring together the people who use observations in their research on a regular basis to discuss issues they’re having, provide updates on observations they’re analyzing or collecting, and any other information that may be of interest to the broader group.  These meetings are also an excellent […]

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HRD Monthly Science Meeting of June 2017

June’s science meeting consisted of 7 presentations: Brad Klotz – “Guidance on Observational Undersampling over the Tropical Cyclone Lifecycle” Pete Black – “Coordinating the the Global Hawk (NASA, NOAA, EPOCH) with the HRD AIPEX module (HFP)” Jon Zawislak and Heather Holbach – “Data Display, Archival, and Legacy (DDAL)” Leon Nguyen – “Science Motivation for Analysis […]

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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 […]

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Paper on the bumpy ride encountered by Hurricane Hunters in Hurricane Felix published 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 – Kelly Ryan, CIMAS and AOML/HRD – 27 April 2017

Kelly Ryan presented a seminar titled  “Using OSSEs to Improve NOAA G-IV Synoptic Surveillance Targeting for Tropical Cyclones”. Abstract: Aircraft reconnaissance missions remain the only means of collecting direct measurements of marine atmospheric conditions affecting tropical cyclone formation and evolution. The National Hurricane Center tasks the NOAA G-IV aircraft to sample environmental conditions that may impact […]

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