Category Archives: Modeling and Prediction

Improvements to the NOAA regional hurricane modeling system – HWRF

Paper on how the region near the ocean surface impacts hurricane forecasts released online in Monthly Weather Review

Posted on December 19, 2016 by

 Summary: Forecasters and researchers use the Hurricane Weather Research and Forecasting (HWRF) model to forecast where a hurricane will go, how strong it will be, how large it will be, and where the strongest winds are. This paper looks … Continue reading →

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

HRD employees recognized at AOML Awards ceremony

Posted on December 16, 2016 by

At a recent awards ceremony, HRD Director Frank Marks and AOML Deputy Director Molly Beringer presented recognitions to several employees whose service went above-and-beyond during the past year. Bachir Annane was recognized for comprehensive and timely analyses using the OSSE framework … Continue reading →

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Paper on a new way to run forecast models with multiple hurricanes at the same time published in Weather and Forecasting

Posted on December 15, 2016 by

Summary: HWRF is NOAA’s primary model for tropical cyclone (tropical depressions, tropical storms, and hurricanes) forecast. The distance between places where forecasts are made in the model (the grid resolution) must be small to make accurate forecasts. However, the amount … Continue reading →

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HRD Monthly Science Meeting of December 2016

Posted on December 8, 2016 by

December’s science meeting consisted of 6 presentations: Paul Reasor (HRD):  “Real-time, storm-scale diagnostics derived from Tail Doppler Radar”, Jun Zhang (HRD):  “Recent improvement in physical parameterization of horizontal turbulent mixing in HWRF “, Rob Rogers (HRD):  “Re-writing the Tropical Record … Continue reading →

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

HRD Seminar – Dr. Sim Aberson, AOML/HRD – 5 December 2016

Posted on December 7, 2016 by

Dr. Aberson presented a seminar titled  “Dropsondes in Hurricanes (1949 to the present)” Abstract: The history of the use of dropsondes in hurricanes will be presented with special emphasis on the achievements since the development and implementation of the NCAR GPS … Continue reading →

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

HRD Seminar – Kelly Ryan, CIMAS and AOML/HRD, Tucson, AZ – 28 October 2016

Posted on November 20, 2016 by

Kelly Ryan presented a seminar titled  “OSSE Evaluation of the Impact of Aircraft Observations on Hurricane Analyses and Forecasts” at the University of Arizona. A copy of the presentation is available on the anonymous ftp site: ftp://ftp.aoml.noaa.gov/pub/hrd/blog/seminars/2017/Ryan_UA_seminar_Oct2016.pdf

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Posted in Data Assimilation, HFIP-Hurricane Forecast Improvement Project, Modeling and Prediction, Observations, Presentations | Tagged , , , , , , , , , , | 2 Comments

Paper on a simple way to simulate winds closest to the surface in tropical cyclones released online in Boundary-Layer Meteorology

Posted on November 16, 2016 by

You can read the article here

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Posted in HFIP-Hurricane Forecast Improvement Project, Modeling and Prediction | Tagged , , ,

HRD Monthly Science Meeting of November 2016

Posted on November 10, 2016 by

November’s science meeting consisted of 7 presentations: Shun-Nan Wu (RSMAS), “The signal of future TC intensification in the CloudSat measurements” Jon Zawislak (FIU/CIMAS/HRD), “The Relationship Between Precipitation and Environmental Forcing during Tropical Cyclone Formation” Leon Nguyen (HRD), “Thermodynamic and kinematic … Continue reading →

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HRD Seminar – Dr. Andy Hazelton, Princeton University and NOAA/GFDL – 28 October 2016

Posted on October 28, 2016 by

Dr. Hazelton presented a seminar on “Convective Burst Development and Evolution in Two Simulated Atlantic TCs”. Abstract Understanding the structure and evolution of the tropical cyclone (TC) inner core remains an elusive challenge in tropical meteorology, especially transient asymmetric features … Continue reading →

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HRD Seminar – Dr. Andy Hazelton, Princeton University and NOAA/GFDL – 25 October 2016

Posted on October 25, 2016 by

Dr. Hazelton presented a seminar on “Evaluation of Tropical Cyclone Structure in High-Resolution FV3 Simulations”. Abstract The FV3 dynamical core with GFS physics has shown skill both in global forecasting and the ability to simulate high-impact weather events.   Here, a regionally … Continue reading →

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