The National Hurricane Center Tropical Cyclone Model Guidance Suite

DeMaria, Mark; Franklin, James L.; Zelinsky, Rachel; Zelinsky, David A.; Onderlinde, Matthew J.; Knaff, John A.; Stevenson, Stephanie N.; Kaplan, John; Musgrave, Kate D.; Chirokova, Galina; Sampson, Charles R.

doi:10.1175/WAF-D-22-0039.1

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The National Hurricane Center Tropical Cyclone Model Guidance Suite

2022
By DeMaria, Mark ; Franklin, James L. ; Zelinsky, Rachel ; ...
Source: Weather and Forecasting, 37(11), 2141-2159

[PDF-3.17 MB]

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Journal Title:

Weather and Forecasting
Personal Author:

DeMaria, Mark ; Franklin, James L. ; Zelinsky, Rachel ; Zelinsky, David A. ; Onderlinde, Matthew J. ; ... More +

DeMaria, Mark ; Franklin, James L. ; Zelinsky, Rachel ; Zelinsky, David A. ; Onderlinde, Matthew J. ; Knaff, John A. ; Stevenson, Stephanie N. ; Kaplan, John ; Musgrave, Kate D. ; Chirokova, Galina ; Sampson, Charles R. Less -
NOAA Program & Office:

NWS (National Weather Service) ; NHC (National Hurricane Center) ; OAR (Oceanic and Atmospheric Research) ; AOML (Atlantic Oceanographic and Meteorological Laboratory) ; NESDIS (National Environmental Satellite, Data, and Information Service) ; ... More +

NWS (National Weather Service) ; NHC (National Hurricane Center) ; OAR (Oceanic and Atmospheric Research) ; AOML (Atlantic Oceanographic and Meteorological Laboratory) ; NESDIS (National Environmental Satellite, Data, and Information Service) ; STAR (Center for Satellite Applications and Research) ; CIRA (Cooperative Institute for Research in the Atmosphere) Less -
Description:

The National Hurricane Center (NHC) uses a variety of guidance models for its operational tropical cyclone track, intensity, and wind structure forecasts, and as baselines for the evaluation of forecast skill. A set of the simpler models, collectively known as the NHC guidance suite, is maintained by NHC. The models comprising the guidance suite are briefly described and evaluated, with details provided for those that have not been documented previously. Decay-SHIFOR is a modified version of the Statistical Hurricane Intensity Forecast (SHIFOR) model that includes decay over land; this modification improves the SHIFOR forecasts through about 96 h. T-CLIPER, a climatology and persistence model that predicts track and intensity using a trajectory approach, has error characteristics similar to those of CLIPER and D-SHIFOR but can be run to any forecast length. The Trajectory and Beta model (TAB), another trajectory track model, applies a gridpoint spatial filter to smooth winds from the National Centers for Environmental Prediction (NCEP) Global Forecast System (GFS) model. TAB model errors were 10%–15% lower than those of the Beta and Advection model (BAM), the model it replaced in 2017. Optimizing TAB’s vertical weights shows that the lower troposphere’s environmental flow provides a better match to observed tropical cyclone motion than does the upper troposphere’s, and that the optimal steering layer is shallower for higher-latitude and weaker tropical cyclones. The advantages and disadvantages of the D-SHIFOR, T-CLIPER, and TAB models relative to their earlier counterparts are discussed.
Keywords:

[+]

Hurricanes Numerical Weather Forecasting Typhoons Atmospheric Science Forecast Verification/Skill Hurricanes/Typhoons Operational Forecasting Statistical Forecasting
Source:

Weather and Forecasting, 37(11), 2141-2159
DOI:

https://doi.org/10.1175/WAF-D-22-0039.1
Document Type:

Journal Article
Funding:

Grant no. NA19OAR4320073
Rights Information:

Other
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:26f2ee3c3a47cf38f87c6fdde17bc136e6f7ae94c478ac9bcb38481529bf72a6
Download URL:

https://repository.library.noaa.gov/view/noaa/47867/noaa_47867_DS1.pdf
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The National Hurricane Center Tropical Cyclone Model Guidance Suite

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