HRD Seminar – Dr. Andrew Kren, CIMAS and AOML/HRD – 27 June 2018

Dr. Kren presented a seminar titled “Observing System Simulation Experiments (OSSEs) and Observing System Experiments (OSEs) to evaluate the impact of current and future observing systems in the NCEP GDAS”. ABSTRACT: Observing System Experiments (OSEs) test the impact of current observing system platforms on analyses and forecasts, while Observing System Simulation Experiments (OSSEs) can evaluate … Continue reading HRD Seminar – Dr. Andrew Kren, CIMAS and AOML/HRD – 27 June 2018

Paper on the potential impact of wind measurements from CYGNSS on forecasts published in Monthly Weather Review

Summary: The CYclone Global Navigation Satellite System (CYGNSS) was launched into space on December 15, 2016, to improve hurricane (tropical cyclone) forecasts by measuring wind speed on the ocean surface. Since the tropical cyclones mostly occur over oceans where other wind data are usually not available, the new observations can measure their wind speeds. This … Continue reading Paper on the potential impact of wind measurements from CYGNSS on forecasts published in Monthly Weather Review

HRD Seminar – Prof. Mark Bourassa, Florida State University, Tallahassee, FL – 25 June 2018

Prof. Bourassa presented a seminar titled “Ocean Applications of Satellite Measurements of Winds and Currents Through Ka-Band Scatterometry”. ABSTRACT: Ka-band scatterometry is of great use for a wide range of applications, and can be used to measure ocean surface winds and surface currents at relatively high resolution compared to traditional scatterometry.  The sensitivity to wind direction … Continue reading HRD Seminar – Prof. Mark Bourassa, Florida State University, Tallahassee, FL – 25 June 2018

2018 Hurricane Field Program now available

Since 1956, the Hurricane Research Division has carried out an annual field program in which data on Atlantic hurricanes is collected from a variety of platforms, primarily NOAA aircraft.  Since the early 1970s plans for particular experiments were documented prior to the start of the season, to better allocate resources and personnel. This year's plan … Continue reading 2018 Hurricane Field Program now available

HRD Monthly Science Meeting of June 2018

June’s science meeting consisted of three presentations: Sim Aberson – Extreme horizontal and vertical motions measured by dropsondes in tropical cyclones:  2017 update Erin Jones – Quantifying Spiral Gravity Waves Radiating from Tropical Cyclones Robert Rogers – Tropical Cyclone Vortex Development in Moderate Shear All the presentations are available on the anonymous ftp site at: ftp://ftp.aoml.noaa.gov/hrd/pub/blog/meetings/2018/Science/HRD_SciMeet_20180614.zip

Paper on the impact of dropwindsondes from the Global Hawk on forecasts published in Monthly Weather Review

Summary:  A drone, what we call an unmanned aircraft system, can collect data in tropical cyclones (TCs) to improve forecasts.  Scientists have used the Global Hawk drone that can fly at an altitude of up to 60,000 feet for over 24 hours at a time since 2010. The Global Hawk releases dropwindsondes that measure wind, … Continue reading Paper on the impact of dropwindsondes from the Global Hawk on forecasts published in Monthly Weather Review