Each of the cone's circles use 67% of the center’s forecast errors over the previous five years. For this season, the resulting window is less than 39 nautical miles in any direction at 24 hours ...

The National Hurricane Center will bring out an experimental tropical cyclone forecast cone graphic just in time for the busiest months of the 2024 Atlantic hurricane season. The new cone will add ...

In Hurricane Ian, the cone swung significantly from Pensacola to Miami with the Category 4 storm eventually making landfall near its eastern edge where people may have thought they were safe. ...

As hurricane season counts down, less than 10% of historical U.S. landfall activity remains ahead, with under 2% occurring in November.

Today, as in 2002, the cone connects a series of circles centered on each forecast point (12-hour, 24-hour, and so forth). The radius of each circle is the distance that two-thirds of NHC track ...

Tropical Storm Ian cone of uncertainty as of 5 a.m. Thursday, Sept. 29, 2022. NOAA - GOES-East This water vapor radar image shows Hurricane Ian as it approaches Florida's southwest coast on ...

The tough forecast for Hurricane Ian in Florida led to a chaotic response from politicians, emergency managers and residents and sparked questions on the issues with the cone of uncertainty.

DeSantis said that 72 hours before Hurricane Ian made landfall, Lee County wasn’t “even in the cone.” Most of Lee County was not within Hurricane Ian’s forecast path 72 hours before landfall.

Indeed, many residents and authorities have said Ian’s track surprised them, even though the cone for days included the storm’s eventual landfall point on its southern edge.

A new experimental version of the cone released this year features one of the biggest changes ever to the graphic: the addition of watches and warnings for inland tropical storm and hurricane ...

As hurricane season counts down, less than 10% of historical U.S. landfall activity remains ahead, with under 2% occurring in November.