HRD employees recognized at NOAA Research Awards ceremony

NOAA Research held its annual awards ceremony on 7 December virtually, and many HRD employees were recognized. Sim Aberson earned the EEO/Diversity Award for Exemplary Service as part of the OAR Diversity & Inclusion Advisory Committee, for the group's diligent efforts to expand Diversity, Equity, Inclusion, and Accessibility activities and awareness by establishing five working … Continue reading HRD employees recognized at NOAA Research Awards ceremony

Recap of Julia and Lisa flights

NOAA conducted two flights into Julia and five into Lisa during October of this year, all in the Caribbean Sea. The main purpose of all the missions was to gather Doppler Radar and dropwindsonde data for ingestion into NOAA's computer models to improve forecasts. Flight tracks of missions into Julia (left) and Lisa (right) during … Continue reading Recap of Julia and Lisa flights

Recap of Hurricane Ian flights

In September, NOAA conducted 15 missions in and around Hurricane Ian before its historic landfall in Florida. Among these were 8 P-3 missions and 7 synoptic surveillance missions conducted by the G-IV. One hundred forty-three dropwindsondes were released along with 18 Airborne Expendable Bathythermographs to measure profiles in the atmosphere and the ocean underneath Ian. … Continue reading Recap of Hurricane Ian flights

Study relating the structure of the area in a tropical cyclone closest to the surface and intensity published in Monthly Weather Review

The study analyzes Doppler radar profile analyses to advance our understanding of how and why tropical cyclones intensify or weaken in relation to the shape of the vortex (whether the wind field is narrow or broad) and boundary-layer structure.  Example of a mean composite of only the radial wind velocity from airborne Doppler wind profile … Continue reading Study relating the structure of the area in a tropical cyclone closest to the surface and intensity published in Monthly Weather Review

Review of aircraft missions into Hurricane Earl

NOAA conducted 20 aircraft missions into Hurricane Earl in late August and early September. The series of flights over 12 days was the longest series of flights into one system that NOAA has conducted. We recently reviewed these flights, and the slides from the review can be found here. Flight tracks of all the NOAA … Continue reading Review of aircraft missions into Hurricane Earl

Paper describing large new airborne Doppler radar dataset in tropical cyclones published in Monthly Weather Review

The study introduces a new database that is freely available and consists of over 900 airborne Doppler radar analyses collected between 1997–2020. We demonstrate the capabilities of the database by identifying how the structure of hurricanes changes depending on the strength of the storm, which provides a foundation for future research avenues and computer model … Continue reading Paper describing large new airborne Doppler radar dataset in tropical cyclones published in Monthly Weather Review

Paper on observations of updrafts in hurricanes from NOAA Hurricane Hunter aircraft published in The Journal of Geophysical Research

This study uses NOAA airborne Doppler radar data to tie together the many different characteristics of convective rainband updrafts that have been documented, both by observations and from modeling studies. The results help shed light on how these updraft circulations are organized and what underlying dynamics might contribute to the observed organization. You can access … Continue reading Paper on observations of updrafts in hurricanes from NOAA Hurricane Hunter aircraft published in The Journal of Geophysical Research

HRD scientists participate in the 34th American Meteorological Society Conference on Hurricanes and Tropical Meteorology

34th Conference on Hurricanes and Tropical Meteorology Virtual Meeting The 34th AMS Conference on Hurricanes and Tropical Meteorology was held virtually 10-14 May after being postponed from 2020. This is the premiere meeting for operational and research scientists who work on understanding and forecasting tropical cyclones and other tropical weather around the world. HRD scientist … Continue reading HRD scientists participate in the 34th American Meteorological Society Conference on Hurricanes and Tropical Meteorology

HRD Monthly Science Meeting of April 2021

April's science meeting consisted of four presentations: Xiaomin Chen: "Boundary Layer Recovery and Precipitation Symmetrization Preceding Rapid Intensification of Tropical Cyclones under Shear" Andy Hazelton: "HAFS Ensemble of Hurricane Dorian (2019): Early Intensity and Long-Term Track" Jon Zawislak: "Accomplishments of NOAA's Airborne Hurricane Field Program and a Broader Future Approach to Forecast Improvement" Kathryn Sellwood: … Continue reading HRD Monthly Science Meeting of April 2021