HFIP Documents



Presentations + Publications








2013 HFIP Grant Review Presentations: May-July 2013


2012 HFIP Team Reports




HWRF Documentation

Telecon Meeting Minutes + Presentations





Apr 15, 2020 Rapid Co-evolution of the Coastal Ocean and Atmosphere in Hurricanes and TyphoonsScott Glenn (Rutgers)
Mar 18, 2020 Advanced DA Techniques for Satellite-Derived Atmospheric Motion Vectors from GOES 16/17 in the HWRFAgnes Lim (Wisconsin)
Feb 19, 2020 Evaluating the Effect of Model Physics on Hurricane Rapid Intensification Forecasts in HWRFJun Zhang (AOML)
Jan 22, 2020 How do Localized, Sub-vortex-scale Events within a Hurricane Contribute to a Vortex (system)-scale Rapid Intensity Changes?Sai Bhalachandran (Stanford)





Sep 04, 2019 Development of the Ground-based Radar Data Assimilation Capacity within the HWRF Hybrid EnVar Data Assimilation System to Improve the Land-falling Hurricane PredicationXuguang Wang (OU)
Aug 07, 2019 From Toy Models to NWP: Leveraging HWRF for Data Assimilation ResearchJon Poterjoy (UMD)
Jun 12, 2019 Impact of the Anomalously Warm Gulf of Mexico on Hurricane Michael (2018) IntensityGeorge Halliwell (AOML)
Feb 20, 2019 Emerging Airborne Observational Strategies for Improved Tropical Cyclone PredicationPeter Black (EMC)





Oct 31, 2018 Real-time Display and Diagnostic System

Characteristcs of the Hurricane Intensity Errors in the HWRF Model and Predicatabilty Implications
Paul Kucera (NCAR) and Chankh Kieu (UI)
Oct 03, 2018 Diagnosing Eyewall Eddy Forcing in Intensification of a Tropical CyclonePing Zhu (FIU)
Sep 19, 2018 HRD's HFIP ProgramJonathan Zawislak (HRD)
Sep 05, 2018 DTC UpdateKathryn Newman and Evan Kalina (NCAR)
Aug 22, 2018 HWRF and HMON Upgrade Brief from EMCAvichal Mehra (EMC)
Aug 08, 2018 Real-time Reservation PlansGeorg Grell (ESRL) and Gus Alaka (AOML)
Jul 25, 2018 CIRA Updates for the 2018 Season for Wind Speed Probabilities and to NHC's Operational Guidance SuiteKate Musgrave and Andrea Schumacher (CIRA)
Jul 11, 2018 Real-time Reservation PlansBiju, Weiquo, Zhan, Morin
Jun 13, 2018 HWRF Simulation in the COASTAL ACTZaizhong Ma (IMSG)
Mar 07, 2018 A Top Down Pathway to SEF in Simulated TCsBryce Tyner (FIU)
Feb 07, 2018 Evaluation of 13 km Global fvGFS on Hurricane PredictionMorris Bender, Matthew Morin, Andrew Hazelton, and Shian-Jiann Lin (GFDL)
Jan 10, 2018 Limits of PredictabilityChristopher Landsea and John Cangialosi (NHC)



Notes and Presentations


Nov 29, 2017 Summary Notes

The Kinematics of Rapidly Intensifying Hurricanes in Moderate Vertical Wind Shear
David Ryglicki (NRL)
Nov 15, 2017 Summary Notes

A Developmental Framework for Improving Hurricane Model Physics using Aircraft Observations
Jun Zhang (AOML)
Nov 04, 2017 Summary NotesTeam Leads
Oct 18, 2017 Summary NotesTeam Leads
Oct 04, 2017 Summary Notes

HFIP Social Science
Jennifer Sprague (OPPSD)
Sep 20, 2017 Summary Notes

Preliminary Evaluation of Hurricanes Harvey & Irma

Evaluation of FfsFV3 on Hurricane Prediction
M. Bender and A. Hazelton (GFDL)
Sep 06, 2017 Summary Notes

Key Features of Tropical Genesis using Satellite DA
Zhuo Wang (Univ. of IL)
Jul 26, 2017 Summary NotesTeam Leads
Jul 12, 2017 Summary Notes

Statisical RI Prediction-Recent Model Results
John Kaplan (AOML)
Jun 28, 2017 Summary Notes

HFIP 2017 Real-time Reservations

Azimuth Dist. Deep Convection, Factors & RI
F. Hobbs, T. Brown (Jet), and Hua Chen (AOML)
Jun 14, 2017 Summary NotesTeam Leads
May 31, 2017 Summary Notes

Recent COAMPS-TC Development and Future Plans
James Doyle (NRL)
Mar 08, 2017 Summary Notes

Validation of rapid intensification forecasts from deterministic regional dynamic models
Jonathan Moskaitis (NRL)
Feb 22, 2017 Summary Notes

Verification of Ensemble-based Probabilistic Intensity Change Forecasts

HMON (HNMMB): Development of a new Hurricane model for NWS/NCEP operations
Ryan Torn (SUNY-Albany) and Avichal Mehra (EMC)



Notes and Presentations


Dec 17, 2014 Explicitly-Coupled Cloud Physics and Radiation Parameterizations and Subsequent Testing in HWRF Greg Thompson
Nov 05, 2014 Overview of TCMT Activities and Preliminary Results from the 2014 Demo Paul Kucera and Christopher Williams
Oct 22, 2014 Optimizing Observations and Observing Stategies to Better valuate and Improve Model Physical Processes Joseph Cione
Oct 08, 2014 The HWRF Development Process Ligia Bernardet
Sep 24, 2014 Some Model Physics Influences on Tropical Cyclone Size Robert and Yizhe Peggy Bu
Aug 27, 2014 The JPL Tropical Cyclone Information System Part 2 Svetla Hristova-Veleva
Aug 27, 2014 The JPL Tropical Cyclone Information System Part 1 Svetla Hristova-Veleva
Aug 13, 2014 Development of Weighted/Corrected Consensus Forecasts for TC Track and Intensity Using the GPCE Technique James Goerss
Jul 30, 2014 HWRF + COAMPS-TC + GFDL Combined Ensemble Retrospective Test Jon Moskaitis, Alex Reinecke, Jim Doyle
Jul 30, 2014 HFIP Joint HWRF/COAMPS-TC/GFDL Multi-Model Regional Ensemble System Zhan Zhang, Jon Moskaitis, Matt Morin
Jun 18, 2014 A Robust Representation of Rain Microwave Radiances and Scatterometer Winds for Data Assimilation Ziad Haddad
May 28, 2014 Sensitivity to Humidity Data Assimilation for Hurricane Intensification and Heavy Rains T. N. Krishnamurti
May 14, 2014 Tropical Cyclone Verification Code Intercomparison Project (TVCIP) Mike Fiorino
Apr 30, 2014 2014 Upgrades to the HWRF Modeling System, Further Enhancements to the High-Resolution HWRF Vijay Tallapragada
Apr 16, 2014 Major Priorities Over the Next 3-5 Years for the HFIP Post-processing and Verification Team Tim Marchok, Mark Demaria, and David Zelinsky
Apr 16, 2014 Impacts of Model Top Altitude on Satellite Data Assimilation for Hurricane Forecasts Vijay Tallapragada and Jian-Wen Bao
Apr 16, 2014 Priorities for DA/Ensemble Strategic Teams(s) Jeff Whitaker and Xuaguang Wang
Feb 12, 2014 Retrospective and Near Real-time Tests of GSI-based EnKF-VAR Hybrid Data Assimilation System for HWRF with Airborne Radar Data Xuaguang Wang
Jan 22, 2014 RDITT Results Sim Aberson
Jan 22, 2014 Aircraft Doppler Versus Flight Level Data Impact Study using FY13 Operational HWRF with Vortex Initialization and One-way Hybrid Data Assimilation Vijay Tallapragada
Jan 22, 2014 Impact of Aircraft Reconnaissance on Convection-permitting Hurricane Intensity Prediction by WRF-EnKF at PSU Yonghui Weng
Jan 08, 2014 Representing Multi-scale Interactions in HWRF Modeling System - Rationale of Developing Basin-scale Modeling System Xuejin Zhang



Notes and Presentations


Dec 18, 2013 Impacts of Model Top Altitude on Satellite Data Assimilation for Hurricane Forecasts Xiaolei Zou
Dec 04, 2013 Vortex-scale Data Assimilation with HEDAS in the 2013 Season and Impacts of Parameterization Perturbations Altug Aksoy
Dec 04, 2013 Performance of Hi-res GFS-based NOAA Models v ECMWF, 2013 Summer Demo -- WPAC Mike Fiorino
Nov 20, 2013 Performance of Hi-res GFS-based NOAA Models v ECMWF, 2013 Summer Demo -- LANT/EPAC Mike Fiorino
Nov 20, 2013 The Impact of Ice Phase Cloud Parameterizations on Tropical Cyclone Prediction Yi Jin
Nov 06, 2013 Performance of the 2013 Operational HWRF for the North Western Pacific and North Indian Ocean Basins Vijay Tallapragada
Sep 04, 2013 Satellite Data Assimilation in Regional Models: Promises and Challenges Xiaolei Zou
Aug 21, 2013 Potential Use of Probabilistic Storm Position Forecasts for More Informative Track Forecast Cones Wesley Smith
Aug 07, 2013 A Reformulation of the Logistic Growth Equation Model (LGEM) for Ensemble ans Extended Range Intensity Prediction Mark DeMaria
Jul 24, 2013 A New Dynamical Vortex Initialization Scheme with Warm Model Startup for Real-Time Forecasts of TCs Yuqing Wang
Ap 24, 2013 Evaluation of Shear-relative Hurricane Structure from the 2012 HWRF Baseline Model Paul Reasor
Apr 24, 2013 TC Inner-core Structure and Intensification Robert Rogers
Apr 24, 2013 The Operational HWRF System: Assymetric Intensification of Hurricane Earl Hua Chen
Apr 10, 2013 Improved Telescope Nesting for Hurricane Forecasting Samual Trahan
Apr 10, 2013 Pre-implementation T&E of Proposed Upgrades for 2013 HWRF Young Kwon
Mar 27, 2013 Uncertainty of Tropical Cyclone Best-Track Information Ryan Torn
Mar 27, 2013 Are Atlantic Basin Tropical Cyclone Intensity Forecasts Improving?  Johnathan Moskaitis
Mar 13, 2013 Unified Air-Sea Interface in Fully Coupled Atmospere-Wave-Ocean Models for Storm Predictions Shuyi Chen
Mar 13, 2013 How Good are Best "Tracks" Estimating Uncertainty in the Atlantic Hurricane Database Chis Landsea
Feb 27, 2013 OSSE Evaluation of Targeted Ocean Observing Strategies for Improving Ocean Forecast Model Initialization George Halliwell
Feb 13, 2013 A Robust Representation of Rain Microwave Radiances for Data Assimilation and to Estimate the 1st Few Radial Modes of Heating, Vertical Motion, Precipitable Water, Total Ice and Rain Ziad Haddad
Feb 13, 2013 Hurricane and Severe Storm Sentinel (HS3) 2012 Campaign Summary Scott Braun
Jan 30, 2013 Has Intensity Forecat Guidance Improved? Mark DeMaria



Notes and Presentations


Oct 24, 2012

Stream 1.5 Runs of SPICE

Kate Musgrave
Oct 24, 2012

HWRF Time-stepping in real-data and semi-idealized simulations

Robert Fovell
Oct 10, 2012

The impact of stochastic physics on global ensemble TC forecasts

Jeff Whitaker
Sep 26, 2012

Assimilation of Airborn Doppler Radar Observations Using the Unified GSI-based Hybrid Ensemble-Variational Data Assimilation System for HWRF

Xuguang Wang
Sep 26, 2012

Ensemble -based genesis guidance

Tim Marchok
Sep 05, 2012

Verifying HWRF Forecasts using Synthetic Satellite Imagery

Dave Zelinsky
Sep 05, 2012

Intensity Forecasting Experiment 2012 Hurricane Field Campaign

Paul Reasor
Aug 22, 2012

Aug 08, 2012

Impact of Ocean Observations on Hurricane Irene Intensity Forecasts

Scott Glenn
Jul 25, 2012

A look at operational and experimental global deterministic and ensemble forecasts for tricky Tropical Storm Debby

Ed Szoke
Stan Benjamin
Jul 25, 2012

Impacts of Surface Fluxes on Cloud-Permitting Hurricane Analysis and Prediction

Fuqing Zhang
Jul 11, 2012

Large-Scale Environment Diagnostics and Verification

Kate D. Musgrave
Jul 11, 2012

HWRF Surface Layer Evaluations

Eric W. Uhlhorn
Joseph J. Cione
Jun 20, 2012

HFIP 2012 Global GSI/EnKF hybrid configuration

Jeff Whitaker
Jun 06, 2012

Assimilating precipitation observations into HWRF while avoiding the pitfalls of microphysical representations

Ziad Haddad
Jun 06, 2012

Coupling, diagnosing, and improving the POM-TC ocean model component of NOAA's HWRF and GFDL coupled hurricane forecast models

Richard M. Yablonsky
Jun 06, 2012

Coupled Atmosphere-Wave-Ocean Modeling for Improving Tropical Cyclone Prediction Models

Isaac Ginis
May 23, 2012

Upper Ocean Impacts and Air-Sea Fluxes During Hurricane Earl

Nick Shay
May 23, 2012


Buck Sampson
May 09, 2012

2012 AHW Stream 1.5 Retrospective Results

Ryan D. Torn
Apr 25, 2012

High-frequency Tropical Cyclone Forecasts: Intensity

David Zelinsky
Apr 25, 2012

Improving the HWRF model physics using observations and model diagnostics

Jun Zhang
Apr 11, 2012

Track sensitivity to microphysics and radiation

Robert Fovell
Apr 11, 2012

Applications of SHIPS Diagnostic Files

Mark DeMaria
Mar 28, 2012

FY2012 Implementation of High-Resolution 3km Triple-Nested HWRF System

Vijay Tallapragada
Mar 28, 2012

2012 Upgrades to the Operational GFDL Hurricane Model

Morris A. Bender
Mar 14, 2012

A pseudo-ensemble hybrid assimilation system for HWRF

Xuyang Ge
Feb 15, 2012

Evaluation of a Real-Time Storm Surge Guidance Ensemble

Jesse Feyen
Jamie Rhome
Feb 15, 2012

High Temporal Frequency Diagnostics

David Zelinsky
Feb 01, 2012

HWRF sensitivity to cumulus schemes

Ligia Bernardet



Notes and Presentations


Dec 21, 2011

Understanding Model Predictions and Predictability of Hurricane Intensity

Shuyi S. Chen
Dec 07, 2011

HEDAS: The HWRF Ensemble Data Assimilation System

Sim Aberson
Dec 07, 2011

HWRF Code Management and Support

Ligia Bernardet
Oct 26, 2011

Detailed Verifications in Support of HWRF Model Improvements

Stan Goldenberg
Oct 26, 2011

Performance and Development of the UW-NMS in 2011

William Lewis
Oct 12, 2011

An Overview of COAMPS-TC Development and Real-Time Tests

James D. Doyle

Strategic Plans


Funding Opportunities

Funding Opportunity: Round 3 of Research to Operations Initiative (NOAA-NWS-NWSPO-2018-2005325): NGGPS and HFIP | Document (PDF) | Online Link

HFIP Stream 1.5 Documentation

Stream 1.5 Concept of Operations

Tier 1 Delivery Instructions

Tier 2 Delivery Instructions


Timeline for 2014 Stream 1.5

List of Retrospective Test Cases

For more information, including documents, modeling group participants, and model forecast data, refer to the Tropical Cyclone Modeling Team (TCMT) 2014 Retrospective HFIP Testing webpage.


Timeline for 2013 Stream 1.5

List of Retrospective Test Cases

For more information, including documents, modeling group participants, and model forecast data, refer to the Tropical Cyclone Modeling Team (TCMT) 2013 Retrospective HFIP Testing webpage.


Timeline for 2012 Stream 1.5

Guidance for 2012 Stream 1.5 Retrospective Test Cases

For more information, including documents, modeling group participants, and model forecast data, refer to the Tropical Cyclone Modeling Team (TCMT) 2012 Retrospective HFIP Testing webpage.


Timeline for 2011 Stream 1.5

List of Retrospective Test Cases

For more information, including documents, modeling group participants, and model forecast data, refer to the Tropical Cyclone Modeling Team (TCMT) 2011 Retrospective HFIP Testing webpage.

2010 HFIP Demo System Overview

HFIP Brochure