Category Archives: Observations

HRD Seminar – Dr. Jon Poterjoy, HRD/NRC – Post-Doc Fellow – 30 March 2017

Dr. Poterjoy presented a seminar on “Progress and Lessons Learned During a Six-Month Collaboration with NOAA NSSL on Convective-Scale Data Assimilation”. ABSTRACT The nonlinear evolution of model forecast errors in convective weather regimes presents a major obstacle for predicting severe weather events. … Continue reading

Rate this:

Posted in Data Assimilation, HFIP-Hurricane Forecast Improvement Project, Modeling and Prediction, Observations, Presentations | Tagged , , | Leave a comment

Paper on the bumpy ride encountered by Hurricane Hunters in Hurricane Felix released online 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 … Continue reading

Rate this:

Posted in Dynamics and Physics, HFIP-Hurricane Forecast Improvement Project, Observations | Tagged , , , , , , , , , , , | Leave a comment

New and Improved SFMR data set

The technique to process data from the Stepped Frequency Microwave Radiometer (SFMR), which observes surface wind speeds and rain rates within tropical cyclones, was upgraded prior to the 2015 hurricane season on all NOAA and Air Force Reserve Command hurricane reconnaissance … Continue reading

Rate this:

Posted in Observations, Publications | Tagged , , | Leave a comment

HRD Monthly Science Meeting of March 2017

March’s science meeting consisted of 2 presentations: Lisa Bucci: P3DWL Observation Verification Jonathan Poterjoy: Getting the Most Out of Your Models and Observations: A Short Introduction to My Work All the presentations are available on the anonymous ftp site at: … Continue reading

Rate this:

Posted in Data Assimilation, HFIP-Hurricane Forecast Improvement Project, Observations, Presentations | Tagged , , , , , | Leave a comment

HRD Seminar – Prof. John Molinari, University of Albany/SUNY – 7 March 2017

Prof. Molinari presented a seminar on “Outflow Layer Influences on Tropical Cyclones”. A recording of the presentation (audio begins 1 min into recording) is available on the anonymous ftp site: ftp://ftp.aoml.noaa.gov/hrd/pub/blog/seminars/2017/Molinari_HRD_Seminar_20170307.mp4

Rate this:

Posted in Dynamics and Physics, HFIP-Hurricane Forecast Improvement Project, Observations, Presentations | Tagged , , , , , , , | Leave a comment

Paper on observations of hurricanes from satellite-based Synthetic Aperture Radar published in IEEE Transactions on Geosciences and Remote Sensing

Rate this:

Posted in HFIP-Hurricane Forecast Improvement Project, Observations, Publications | Tagged , , , | Leave a comment

Paper on forecast improvements due to dropsonde data from the Global Hawk aircraft released online in Weather Review

Starting in 2010, the National Aeronautic and Space Administration and the National Oceanic and Atmospheric Administration have used the Global Hawk, an unmanned aircraft that can fly at 65,000 feet for 24 hours at a time, to make observations in … Continue reading

Rate this:

Posted in Data Assimilation, HFIP-Hurricane Forecast Improvement Project, Modeling and Prediction, Observations, Publications | Tagged , , , , , , , , , , | Leave a comment

HRD researchers contribute to new textbook on recent advances in tropical cyclone research

The new textbook titled “Advanced Numerical Modeling and Data Assimilation Techniques for Tropical Cyclone Predictions”, was co-edited by HRD scientist Dr. Sundararaman Gopalakrishnan. It is based on a series of lectures by scientists from the US, India and Australia, at … Continue reading

Rate this:

Posted in Data Assimilation, Dynamics and Physics, HFIP-Hurricane Forecast Improvement Project, Impacts, Modeling and Prediction, Observations, Publications | Tagged , , , , , , , , , , , , , , , , , | Leave a comment

HRD observation team monthly meeting – 16 February 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 … Continue reading

Rate this:

Posted in HFIP-Hurricane Forecast Improvement Project, Modeling and Prediction, Observations, Presentations | Tagged , , , , , , , , , , , , , | Leave a comment

HRD Monthly Science Meeting of February 2017

February’s science meeting consisted of 7 presentations: Bachir Annane: Impact of Simulated CYGNSS Ocean Surface Winds on Tropical Cyclone Analyses and Forecasts in a Regional OSSE Framework Mark Leidner (AER): Creating Vector Winds from Simulated CYGNSS Ocean Surface Wind Speed Retrievals … Continue reading

Rate this:

Posted in Data Assimilation, Dynamics and Physics, HFIP-Hurricane Forecast Improvement Project, Modeling and Prediction, Observations, Presentations | Tagged , , , , , , , , , , , , , , , , | Leave a comment