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National Hurricane Center making new changes to forecast products

National Hurricane Center making new changes

National Hurricane Center making new changes to forecast products

Miami, Fla (treasurecoast.com)- The National Hurricane Center is making changes to their forecast products this season. It means better accuracy and communication when a storm is threatening.

Changes include: 1) The NHC Public Advisory will now discuss forecast information beyond 48 hours. Previously, these advisories were limited to a discussion of a tropical cyclone’s track and intensity forecast through 48 hours. This change will allow public advisories to discuss the track and intensity forecast routinely through 72 hours, and allow the flexibility to discuss the forecast through 5 days when conditions warrant.

2) The format of Weather Prediction Center (WPC) Public Advisories on inland tropical depressions will now mirror the format of NHC Public Advisories3) NHC will begin issuing 48-hour hurricane-force (64-kt) wind radii forecasts.

3) NHC will begin issuing 48-hour hurricane-force (64-kt) wind radii forecasts

4) The NHC Arrival Time of Tropical-Storm-Force Winds graphics will become operational in 2018.

5) Annual update to the track forecast error cone

The cone of uncertainty will be smaller. The cone size will be based on the average track error for the past five hurricane seasons.

6) New reconnaissance vortex message format

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