Cyclone phase evolution: Analyses & Forecasts

This page presents historical, analyzed (current), and model-forecast cyclone phase diagrams for northwestern hemisphere cyclones
with the goals of improved structural forecasting, structural transition (subtropical/tropical/extratropical), cyclogenesis, and providing measures of structural predictability.

Please note that these products are experimental and not official forecasts. For official forecasts in the U.S., please refer to the National Weather Service and National Hurricane Center.

To the right are the most recently picked interesting diagrams.
In this case, the GFS analysis of Cyclone Debbie which unfortunately devastated parts of Queensland and New South Wales, Australia.

Latest deterministic model output:
CMC: 2017062400 GFS: 2017062400
JMA: 2017062400 NAVGEM: 2017062400
UKM: 2017062400

Current/recent GFDL model output:

Current/recent NCEP HWRF model output:

Current/recent CIRA/NESDIS AMSU based diagrams:
No recent AMSU retrievals

Ensemble output:
Latest deterministic intercomparison: [ 2017062400 | 2017062318 ]

Latest CMC Ensemble: [ 2017062400 | 2017062312 ]

Latest GFS Ensemble: [ 2017062400 | 2017062312 ]

Latest NGP Ensemble: [ 2017062400 | 2017062312 ]

Latest CMC+GFS+NGP Ensemble: [ 2017062400 | 2017062312 ]

Example phase diagrams from past events: [View]

Help/Docs: [ Docs | AMS02-ppt | AMS02Talk-ppt ]

Page created and maintained by:

Robert Hart
Florida State University

Jenni Evans
Penn State University

This page last updated: Sat Jun 24 10:23:03 UTC 2017