NOAA’s G-IV wraps up missions into east Atlantic disturbance

G-IV view of disturbance AL97 on July 10th As part of the Impact of Targeted Observations on Forecasts-East (ITOFs-East) project project, NOAA's G-IV jet "Gonzo" has conducted three missions on subsequent days sampling the area of disturbed weather (AL97) and the Saharan Air Layer (SAL) to its north. Proposed track of the August 11th mission … Continue reading NOAA’s G-IV wraps up missions into east Atlantic disturbance

NOAA’s G-IV completes first mission from Cabo Verde Islands

The Saharan Air Layer as viewed from NOAA's G-IV jet over the Atlantic Ocean. On August 9, 2022, NOAA's G-IV jet "Gonzo" completed its first ever mission from the Cabo Verde Islands in the eastern Atlantic. The mission was part of the Impact of Targeted Observations on Forecasts-East (ITOFs-East) project, which seeks to examine African … Continue reading NOAA’s G-IV completes first mission from Cabo Verde Islands

HRD Monthly Science Meeting of October 2021

October's science meeting consisted of six presentations: Xiaomin Chen: A Framework for Simulating the Tropical-Cyclone Boundary Layer Using Large-Eddy Simulation Sim Aberson: Sally:  An Aborted Attempt to Form an Aligned Vortex? Kathryn Sellwood: Assimilation of Coyote Observations with HWRF GSI Jon Zawislak: Summary of NASA's CPEX-AW Field Campaign Lisa Bucci: Comparison of Aeolus Observations to NOAA Dropsondes Kyle Ahern: How were … Continue reading HRD Monthly Science Meeting of October 2021

Paper on the relationship between African dust and hurricane activity published in Atmospheric Chemistry and Physics

Dust layer associated with the Saharan Air Layer.  Photo taken from the NOAA G-IV northeast of Barbados during a Saharan Air Layer Experiment mission into Hurricane Helene on Sep 16, 2006.  Small cumulus clouds can be seen poking through the tops of the dust layer, which is seen as a milky white haze.  Photo credit: … Continue reading Paper on the relationship between African dust and hurricane activity published in Atmospheric Chemistry and Physics

HRD Monthly Science Meeting of September 2020

September's science meeting consisted of three presentations:  Andy Hazelton - "HAFSV0.1B (HAFS-globalnest) performance for Hurricane Laura: Verification and Evaluation of TC structure"Evan Forde - “Identification of Atlantic Basin Tropical Cyclones in Proximity to Significant Dry Air Events in Total Precipitable Water Imagery (1987-2015)”Sim Aberson - "In Search of the Elusive Eyewall Me/iso-scale ?" The three presentations are … Continue reading HRD Monthly Science Meeting of September 2020

Jason Dunion on Connected: The Hidden Science of Everything

Our very own Jason Dunion was recently featured on the Netflix show Connected: The Hidden Science of Everything. He took journalist Latif Nasser aboard a NOAA Hurricane Hunter aircraft to look at how the Saharan Air Layer influences hurricane development.⁣⁣The Saharan Air Layer is a mass of very dry, dusty air that forms over the Sahara … Continue reading Jason Dunion on Connected: The Hidden Science of Everything

AOML monitors tropics for potential hurricane development

After a busy start to the 2020 Atlantic hurricane season, AOML scientists prepare for upcoming tropical cyclone activity that may pose a threat to the U.S. and its territories.  Close collaboration among AOML hurricane scientists, the National Hurricane Center (NHC), and the Environmental Modeling Center (EMC) allows for a comprehensive consideration of potential tropical cyclone targets for NOAA aircraft … Continue reading AOML monitors tropics for potential hurricane development